Manuale d’uso / di manutenzione del prodotto Digital NetRider del fabbricante HP
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DI GITA L Ne tRide r Netw ork A cc ess Se rve r Ma na gem ent Pa r t N u m b er : AA - PW 5 V E- T E June 1 997 Revision/Upd ate Informati on : This i s a re vise d document.
© Di git al E quip ment Corp orat ion 19 97 . All rights reserved. Di gita l Equi pmen t Cor por ation mak es no re prese nt at ions tha t th e use of its prod ucts in the manne r des cr ib ed in thi.
iii Contents Pr ef ac e 1 DNAS M anag ement Ov erv iew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 1 Intr odu cti o n . . . . . . . . . . . . . . . . . . . .
iv Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Introd uct ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
v Exit ing fro m a Men u . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 Usin g Menus to Set Up a Captive Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vi Prep a ri ng Tel ne t Li st ener s for In it ia li za t io n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 Do This . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vii Identi fication Stri ng in a Login Proced ure Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 KE EPAL IVE TI MER Cha rac ter ist ic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
vi ii 7 TCP/ IP Net work Ch arac teristic s Overvi ew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 Introd uction . . . . . . . . . . . . . . . . . . . . . .
ix Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-25 BOOTP Server Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
x Disp laying Appl eTalk Routes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12 Com m and . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xi Specif ying L ONGB REAK LOGOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13 Specif ying I N ACTIVITY LOGOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-14 Spec ifyi ng the I NA C TIV ITY TIM E R .
xi i Esta blishing a Con nection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 -1 8 Res pons e to Momentar y Los s of CT S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xiii Prof iles T ypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 -1 8 Prof ile Char acte risti cs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xi v Disp laying S e ssio n Stat us . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 -4 8 Termi na ting S es s ions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xv Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-2 Config uring a Printer for Acc e ss Throug h a Telnet Li st en er . . . . . . . . . . . . . . . . . . . .
xvi Contro l and Data Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-2 Op erat ion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xvi i Ena bling CS L IP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 - 13 Disa bl ing CSLIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xvi i i Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-2 Dist rib uting Devi c es on Access Serve rs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xix Disp laying a nd Customiz ing Keyboa rd Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-9 Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xx Disp laying L CP Stat us . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 -1 2 Disp laying IPCP Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xxi No ve ll O per atio n . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 -1 7 Opera tional Checkout and Dia gnosis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xxi i Definin g Dialer Script S tri ngs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21-4 Assign ing th e Dialer Script t o a P ort . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xx iii Use r Authentic ation P roced ure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 -1 0 C h an ging a U ser Nam e and Pa sswo rd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xxi v 23 Acc ounting Overvi ew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23-1 Introd uction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xxv A Cabl e and Ad apte r Recom menda tions Cabl e and Adapter Hardwa re . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 C ab l e and Ada pter Ta ble . . . . . . . . . . . . . . . . . . . .
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xxvii Preface Over view Purp ose Network A cc e ss Se r ver M anagement is written for the per so n who sets up, m aint ains, and m an ages any one of the Digi tal Equi pm ent Corporat ion family of network a cc ess se rver s.
xxvi ii Co nventi ons This manual us es the foll owing conventi ons: • The Return k ey, which you mus t pre ss to e xecute a ll c ommands, i s not s hown in com ma nd lin e displays . • The Lo cal > pr omp t, whi ch app ears in most exam ple s, is the def aul t acce ss serv er pr om pt.
xxix Associa ted Docume nts Refe r to the follo wing document a tion for ad ditional in formation: • LAT Netw ork Concep ts — Provides a n ov erview of the LAT protocol. • Termi nal Server Manage r Insta ll ation and Use — P rovides the proc e dures to inst all and use T SM .
xxx How to O rder Addi tional Docum entatio n To orde r addi tional docum en tation, us e th e followin g inform ation: To O rder : Co ntact: By Teleph one USA (except Alaska, New Hamps hire , and Haw.
xxxi Correspo ndenc e Docum entation Comments If you have comments or suggestion s about this doc um ent, send them to the DIGITAL docum e nta tion or ga nizati on.
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DNAS M anagement 1 -1 Chapter 1 DNAS Management Over view In troduct ion This chapt er de scrib es the tasks tha t t he following ty pe s of users perfo rm when mana gin g t he acce ss s erv er: • S.
Configuration Tasks for S ystem A dministrato rs 1-2 DNAS Manageme nt Config uration Tasks for S ystem Adm inistrators Configu r ation Tas ks The foll owing tab le lists t he t ask s th at syst em adm.
DNAS Mana gement 1-3 Managem ent Tas ks for S ystem Administrators Mana g e ment Tasks for Syst em Admi nistra tors Syst em Manage ment Tasks The followi ng table lis ts the tasks tha t s ystem administr ators can perform to manag e the a cce ss ser ve r.
User Tasks 1-4 DNAS Manageme nt User Task s In troduct ion The a ccess se rver enab les en d users t o perfo rm tas ks such as conne ctin g to n e twork resourc es and managing se ssions. For a de s criptio n of t he se t asks, re fer to t he Spe cifyin g the Tel net C lient Sess ion Pr ofil e sect ion i n Chap ter 11 .
DNAS Mana gement 1-5 Storage of Conf iguration Set tings and Changes in M emory Storage of Configura tion Settings and Chang es in Me mory M emory Types The access s erver sto res conf igurati on s ettings in two t ypes of memory: • Permane nt data is store d in nonvolatil e random access memor y (NVRAM).
Comman ds to Display and Change Configu ration Settings 1-6 DNAS Manageme nt Commands to Display and Change Configu ration Settings In troduct ion This s ection lis t s the type of com ma nds tha t ope r a t e on the confi gura tion sett ings st ore d i n VR AM an d NVR AM.
M anagement To ols 2 -1 Chapter 2 Manage ment To ols Over view In troduct ion This chapt er de s cr ibes the t o o ls for ma nagin g the ac cess s erver .
Acce ss Serve r Commands 2-2 Managem ent T ools Acc ess Se rver Co mmands In troduct ion The ac c ess s e rver has a c ommand l ine inter face. You e nte r commands at a prompt on a ter mi na l at ta ch e d to an ac ce ss ser v er po r t .
Mana gement Tools 2-3 Acce ss Server Commands Use r Grou ps For practi cal purpose s, the a c ces s serve r c o m mand set s yntax is divi ded into com m and gr oups.
Acce ss Serve r Commands 2-4 Managem ent T ools Reference For m ore i nformation a bo ut t his com ma nd gr oup and i ts quali fie rs, ple ase refer t o the Netw ork A cce s s Serve r Command Ref er e nce . Privileg ed Comman ds To manag e and confi gure the ne twork, you use privile ged com m ands.
Mana gement Tools 2-5 Help Help In troduct ion The acc ess se rver pro vides on line he lp abo u t ac ces s ser ver co mmand s. Thi s secti on des cri bes two types of onli ne help that are ava il able on the acce s s serv er. HELP TUTORIAL Command The comma nd HELP TUTORIAL pr ovid es a brief int roduction to the access s erve r.
Console Port 2-6 Managem ent T ools Consol e Port Di s play ing Po rt P aram eters The con sol e por t r ecei ves the acc ess ser ver sy stem m essag es. A n ac cess s erv er can have only one consol e port at a time. The defaul t conso le port num ber is 1.
Mana gement Tools 2-7 Remote Cons ole Port Remote Console Port Descri p tion The remote console port is a logical port t hat enable s you to confi gure the access se rver fr om a remot e termina l on the networ k.
Remote Cons ole Port 2-8 Managem ent T ools OpenVMS Uti lity — T e rminal S erver Man ager For Ope nVMS systems, DI G ITAL offers the Terminal Server manager ( TSM) to faci lita te managing the a ccess s erver using the MOP rem ote co ns ole.
Mana gement Tools 2-9 Remote Cons ole Port Example: Us ing NCP to Connect to an Access Server Remote Console Port from a Load Hos t The fo llo wi ng ex am ple shows a c onn ect ion f rom an Op e nVM S DE Cn et Ph as e IV l oad ho st t o an acce ss s er ver th at h as t he D ECn et no de na me SHRI MP.
Remote Cons ole Port 2-10 Managem ent Tools Example: Using MOP t o Connect to an Access Server from a DECnet/OSI OpenVMS Node The follo wing example shows a connec tion from a DECne t/OSI OpenVMS node to an acce ss s erv er remo te co nso le p or t. I n t his ex amp le: • The a ccess se rve r ha s a DECne t node name of DGD 700.
Manag ement Tools 2-11 Remote Cons ole Port Example: Us ing CCR to Connect to an Access Server from an ULT RI X DECnet Node The followi ng example shows a con ne cti on from an U LT RIX DECnet node to an acce ss s erv er remo te co nso le p or t. I n t his ex amp le: • The ac ce ss serv e r has the DECn e t node nam e DRU M COR PS.
Remote Cons ole Port 2-12 Managem ent Tools Chara cteristics of t he Telnet Remo te Console P o rt The following table d escribe s th e char acteri stics for Tel net re mote cons ole conne c tion s on.
Manag ement Tools 2-13 Acces s Server M anager Acc ess Se rver Man ager Descri p tion The Access Server Mana ger appl ication is a management tool for DECserv er acce ss server s.
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User Int erface 3-1 Chapter 3 User Interface Over view In troduct ion Thi s c hap ter des cri bes how to c ust omiz e and m anag e t he us er i nte rf ace t o t he acc es s se rver .
Comman d Gr oups a nd Men us 3-2 User I nterf ace Command Gr oups and Menus Descri p tion In addit ion to conv e ni ence, command grou ps and menus provi de the access serve r with a securi ty feature. Sinc e c ommand grou ps and menus both have an associa t ed port li st, you can contr ol which users ca n acces s them.
User I nterfac e 3-3 Using Comm and G roups Using Com mand Gr oups Creat ing a Comm and Group To create a co m mand gr oup, follo w these steps: Example: De fining a Co mmand Group The followi ng example shows how to ent er indivi dua l commands to defin e a typical com mand group.
Using Comman d Groups 3-4 User I nterf ace Exec uting a Comma n d Group To execute a command g roup, u s e the DO command. Example : Executing a Command Group The following example e xecutes t he comma nd group SE RVICE_A de fined in th e pr evi ou s ex am ple .
User I nterfac e 3-5 Using Menus Using Menus Display ing a List o f Ena b led Men u s To displ ay a list of the menus ena bled on a port, use the S H OW MENU command. If you are a privi leged user, the SHOW MENU command dis plays the names of al l menu s av a ilab l e on th e acce ss ser ve r.
Using Menus 3-6 User I nterf ace Assign in g a Def a u lt Menu to a Port To ass ign a default menu to a port, use the DEFINE PORT n DEFAULT MENU com mand. If a port has a de faul t m enu, it displ ays whenever you: • Log in to the port . • Pre ss th e Local Brea k key or en ter the Lo cal S w it c h cha r acter while in a host se s sion.
User I nterfac e 3-7 Using Menus Figure: W indows on Access Serv er Menus The followi ng figure shows a typi c al acce ss server menu:.
Defining Menus 3-8 User I nterf ace Definin g Menus In troduct ion This sectio n descr ibes how to defin e menus and prov ides e xamples. Reference For compl et e informat ion ab out the commands menti oned in thi s secti on, refe r to the Netw ork A cce s s Serve r Command Ref er e nce .
User I nterfac e 3-9 D efining Me nus Main Menu Display The followi ng figure shows how the Mai n Me nu disp lays on the screen: De fin ing M enu Cho ic es For each men u choice l ine, you can de fine.
Defining Menus 3-10 User I nte rface Example: S am ple Defini tion of a Menu Selec t ion The follo wing example shows one way to defi ne t he selec tion Open Tel net Session th at appe a rs on line 5 .
User I nterface 3-11 D efining Me nus If the port is type ANSI, menu it ems can be sele cted by ei ther us ing the up- a nd down- arrow key s or by enter ing the item number. To use the arrow key s , press the up - or down-ar row k ey unt il the desi red it em is highligh ted and press Return.
Defining Menus 3-12 User I nte rface Line 7 Ex ecut e: CONN EC T T ELNE T 195. 20 .0 .15 Line 7 Di spla y: TCP/ IP Ho st Line 9 Di spla y Logo ut Line 9 Lo gout LOGO UT Purg ing Me nu Li ne s an d En .
M anaging Lo ad Hosts 4-1 Chapter 4 Managing Load H osts Over view In troduct ion This c hapter descr ibes the com mand proce dures that you us e to m a nage h os ts that load the acc ess server soft wa re image on a LAT network.
Load Host Procedures 4-2 Managi ng Load Hosts Load Host Proc edure s Des cri ption The speci fic com mand procedure tha t you us e to manag e th e load hos t depe nds on t he netwo rk version, protocol, and operat ing system of the load ho st.
Manag i ng Lo ad Hosts 4 -3 DSV$CONFIGURE DSV$CONFIGURE In troduct ion DSV$CONFIGURE is a command proc e dur e tha t runs on a DECnet Phas e IV OpenVMS l oad host or on a DECnet/OSI OpenVMS lo a d hos t. Thi s proc edure ena bles you t o: • Maint ain confi guration info rm ati on a bou t ac ce ss servers.
DSV$CONFIG U RE 4-4 Managi ng Load Hosts Example: Starting DSV$CON FIG URE and D isplaying Help The followi ng example shows how to us e the symbol DSV to start DSV$CONFIGURE. This examp le als o s hows how to use HELP to displ a y a list of DSV$CONFIGURE commands.
Manag i ng Lo ad Hosts 4 -5 DSV$CONFIGURE Exam ple: DSV$CONFIGURE ADD Command This e xample s hows t he ADD command on a DECnet/OSI s yst em. In thi s exa mple, a t the en d of eac h lin e you must press ret urn to contin ue.
DSV$CONFIG U RE 4-6 Managi ng Load Hosts Examp le: DELETE Com mand f or DS V$CONFIGURE The followi ng example shows the DELETE command. T his exampl e omits the optio nal SERVER keyword . In this e xample , NCL d is plays the mess ag e NOD E 0 MOP Cl ient DGD700 on a DECnet/O SI system .
Manag i ng Lo ad Hosts 4 -7 DSV$CONFIGURE Example: CONNECT Command for DSV$CONFIGURE on a DE Cnet/OSI System The fol lowin g e xampl e s hows ho w to use CCR and DSV $CONFI GURE to conn ect t o a remo.
DSV$CONFIG U RE 4-8 Managi ng Load Hosts Context-Se n si tive H elp for DSV$CONFIGURE DSV$CONFIGURE pr ovides contex t-sen sitive help. At any prompt ot he r t han the Local> prompt after a CONNECT/USE command, typ e a quest io n mar k (?) for an expl anation.
Manag i ng Lo ad Hosts 4 -9 DSVCO NFIG DSVCONFI G In troduct ion DSVCONFIG is a menu-dri ven command procedur e that runs on DECnet Pha s e IV and DECnet/OSI UL TRIX load hosts. T his p rocedure e nables you to: • St ore co nfigurat ion data about t he acc ess server in t he DECnet n ode da tabase s.
Using a BOOTP /TF TP Server 4-10 Managi ng Load Hosts Using a BO OTP/T FTP S erver In troduct ion A BOOTP /TFTP se rver is a UNIX host tha t downl oads the access serv e r softwa re usi ng the B O OTP and TFTP pr otocols.
Managing Load Hos ts 4-11 Usi ng a BOOTP/ TFTP Server Rem ote Co nnectio n Pass word DNAS has a password feat ure for remote lo gins, similar to the mai n logi n pass word. DNAS uses a single val ue for th e remot e password s erv er-wide that is sepa ra te from the m ain l ogin pas s wor d.
Upline Dumping 4-12 Managi ng Load Hosts Upline Dumpi ng In troduct ion The ac ce ss ser v e r upli ne dum ps it s m em o ry w hen : • An unexpe c ted fa ilu re occurs. • Yo u fo rce a cr a sh . The acc es s server always dumps to a lo ad hos t wit h the protoc ol that was used for its do wnloa d.
Managing Load Hos ts 4-13 Term inal Server M anag er (TSM) Ter minal Server Manag er (TSM) In troduct ion TSM is a util it y that ru ns on Open VMS load hos ts. TSM enabl es you t o config ure and man age t he acc ess se rver s on the sa me ext ended LA N.
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Initia liz in g th e A c ces s Serv e r 5- 1 Chapter 5 Initializi ng the Acce ss Ser ver Over view In troduct ion This chapte r d es cr ibe s how t o i nit ia li ze th e a cc ess se rve r. I nit iali zin g t he ac ce ss ser ver relo a ds the soft ware image.
Preparing LAT S ervices for Initializatio n 5-2 Ini ti alizing the Acc ess Server Prep aring LAT Se rvi ces for Init iali zation Do This If the access ser ve r offers LAT servic es, fol low t hes e ste ps before you ini ti ali z e: The time th at it ta ke s for t he que ue to empty depends upon the numbe r of requests tha t it c o nt ain s.
Init ia liz in g th e Ac ces s Se rv e r 5-3 Preparing Telnet Listeners for Initializ ation Pre p a ri ng Telnet L istener s for In i tial i zati on Do This If the acce s s serv er ha s Teln e t lis teners, foll ow the se st e ps bef ore you initial ize: Ste p A ct ion 1 Disab le furthe r Telnet c onnect ions.
In it i al i z i n g the Acce ss Se rve r 5-4 Ini ti alizing the Acc ess Server In itiali zing th e Access Serve r Using th e INITIAL IZE Command To us e the INITIAL I ZE com m and, log in to on e of .
Init ia liz in g th e Ac ces s Se rv e r 5-5 Initi alizing the Access Se rve r Spe cifying In itializat ion from a L o ad Hos t To sp ecify in itial iz ation fr om a networ k load host, use t h e fo l.
In it i al i z i n g the Acce ss Se rve r 5-6 Ini ti alizing the Acc ess Server Using th e DIAGNOSE Op tion with INITIAL IZ E Usin g the DIAGNOSE opti on with INITIALIZ E ena bles you to t est the ac c es s server hardwa re. Y ou can specify thre e typ es of test s as describ e d in the INITIALIZE DIAGNOSE Option Tests.
Init ia liz in g th e Ac ces s Se rv e r 5-7 Using NCP to Initiali ze the Ac cess Server Usin g NCP to Ini tiali ze the Access Serv er NCP Initializa t ion Commands The fo llo win g t abl e sh ow s th.
Booting from the Network 5-8 Ini ti alizing the Acc ess Server Booting from the Network Load in g th e Software Im age If your n etwork s erver i s confi gured with Flash RAM, but doe s not ha ve t he c orrect im age, th e acce ss s erv er per form s a ne two rk loa d.
Init ia liz in g th e Ac ces s Se rv e r 5-9 Booting Using Console Comma nds Booting Us in g Conso le Comm ands In troduct ion Console funct i on s require DE Cse rve r ROM Version 4.
Booting Using Console Comma nds 5-10 Init ializing the Ac cess Server Boot Command O p t ions The followi ng table lis ts the command options you c an s e lect for the boot comm and: Option Definition.
Ini t ial izing the Acc ess Ser ver 5-11 Booting Using Console Comma nds B/M This co m mand boots the mainte nance mode softwar e for the acce ss s erv er. T he n etw or k l oad host defines this soft ware and is typic ally based on the E therne t MA C ad dres s o f t he acce ss s erv er.
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Con figuri ng LAT Ch ar acteri stics 6 - 1 Chapter 6 Configuring LAT Character istics Over view In This Ch apter Thi s cha pte r d es cribe s ho w t o c onfi gure th e L AT cha ract eri stic s fo r th e acces s se rv er.
LAT Characte ristics 6-2 Configur ing LAT Ch aracteri stics LAT Characte r isti cs Pr eparing to Cha nge LAT Char acteristic s Before you cha nge LAT chara ct eristics , make sure to: • In stal l the lat est s oft ware i mage on t he ac ces s s erver and all load host s.
Confi guring L AT Character istics 6 -3 LAT Ch aracteristics PASSCHECK 200 0 to 200 PASSCHEC K Char acteris tic QUEUE LIMI T 100 0 to 200 QUEUE LIMIT Char acteris tic RESPONDER Disabled – RESPONDER .
Displ a yi ng LAT Characteri stics 6-4 Configur ing LAT Ch aracteri stics Disp la ying LAT Char acte ristics Comman d To Use To d i s pl ay th e curr ent LAT ch ara cteri stic s, us e the SHOW /LIST/ MONI TOR SERVER command as shown i n the fol lowing e xample .
Confi guring L AT Character istics 6 -5 ANNOUNCEMENTS Cha racteri sti c ANNOUNCEME NTS Characteristic In troduct ion The ANNOUNCEMENTS c haract e ristic determine s if t he access server s ends LAT mult icas t mes s ag e s abou t loca l ser vices o v er t he Eth ernet.
CIRCUIT TIMER Ch aracte ri sti c 6-6 Configur ing LAT Ch aracteri stics CIRCUIT TIMER Ch aracteristic In troduct ion The C I RC U IT TI M E R ch a r ac te ri st ic de fin es the inte rva l at whi ch th e ac ce ss ser v e r se nds virtu al circ uit messages to the LAT ser vic e node.
Confi guring L AT Character istics 6 -7 I D ENTI FIC ATI ON C har act e ri s t i c IDENTIFICATION Characteristic In troduct ion The IDENTIF ICATION charact e ris tic is a string t hat can be up to 40 ch aracters l ong.
KEEPAL IVE TI MER Cha r a cter is tic 6-8 Configur ing LAT Ch aracteri stics KEEPALIVE TIMER Char acteristi c In troduct ion The K EEPALI VE TI MER ch aract eristic mainta ins a v irtual circui t between the acce ss se rv er and s erv i ce node w he n no me ssa ges ar e ex ch an ged over a pe rio d of tim e.
Confi guring L AT Character istics 6 -9 MU LTI CA ST TI MER Char acte ri s t i c MULTICAST TI MER Cha racteris tic In troduct ion The M ULT IC AST TIM ER ch ara cter ist ic det erm ine s t he i nte r val at whi ch a ser vi ce node s end s serv ice announcement s.
ACCESS SERVE R NAME Cha racteri sti c 6-10 Confi gur ing LAT Characte ristic s ACCESS SERVER NAME Ch aracteristic In troduct ion The SER VE R NA ME ch ar acte rist ic i s a s trin g o f 1 to 16 cha rac te rs. This n am e mu st be u niqu e on t he LAT net work.
Confi guring LAT Character istics 6-11 NODE LIM IT Characteristi c NOD E LIMIT Ch aracte ristic In troduct ion The NODE LIMIT characteri stic specifi es the maximum number of LAT s ervi ce no des tha t the acce ss serv er main tains in its node dat abase.
Acce ss SERVER NUMBER Characte ri stic 6-12 Confi gur ing LAT Characte ristic s Access SE RVER NU MBER Characte ristic In troduct ion Eac h acce s s s erver has a num ber th at unique ly i d en tifi es it . Access S ERVER NUMBER Values This number i s a va lue fr om 0 to 32,767.
Confi guring LAT Character istics 6-13 PASSCHECK Cha rac teri sti c PASSCHECK C haracteris ti c In troduct ion The PASSCHECK charact e ris tic determines wheth e r a host is requir ed to provide a pas sw ord a s part of a host i nitiate d c on t act (HIC) request to a password-pro tected l oc al se rvic e.
QUEU E LI MIT Chara c t eri sti c 6-14 Confi gur ing LAT Characte ristic s QUEUE LIMI T Characte r isti c In troduct ion The LAT QUEUE LIMIT c harac te r i sti c specif ies the m a ximu m number of out s tand ing conne c tion requests fo r remote access t o access server ports.
Confi guring LAT Character istics 6-15 RETR AN SMI T LIMI T Ch a r a c te risti c RETRANSMIT LIMIT Characteristic In troduct ion The RET RANSMI T LIMIT ch ara cteri stic spe cifie s the num ber o f time s th at the ac cess se rver res ends a mess age withou t an a cknowled gment.
RESPONDER Characteristic 6-16 Confi gur ing LAT Characte ristic s RESPONDER Characteristic Access S erver Ma pping In or der t o connect to ot her n odes on t he LAN, the acce s s ser ve r mus t be abl e to map node na m es , port names , and se rvices to spe c if ic nodes.
Confi guring LAT Character istics 6-17 RESPONDER Cha racteri sti c Changing th e RESPONDER Characteristic The fac tory defaul t setti ng for the RESPONDER ch aracteris tic is di sabled. T o en able it, use the fol lowing command: Loca l> CH ANGE S ER VER RE SPOND ER E NABL ED Use t he SHOW SE RVER com m and to dete rmine t he cur rent s ettin g.
S erv ic e Grou ps 6-18 Confi gur ing LAT Characte ristic s Se r vice Gr oups In troduct ion A s e rvice g roup de fines t he acce ss that service nodes a nd port us ers ha ve to t he netwo rk. Each servic e grou p has an ide ntifying num be r from 0 to 255.
TCP/IP Network Ch aracteri stics 7 -1 Chapter 7 TCP/IP Ne twork Char acteristics Over view In troduct ion This chapter describes t he confi guration c haracteris t ics for a TC P/IP n e twork. T o enab le the a cces s server to opera te on a TCP/IP network, you need to: 1) Config ure the Interne t a ddr es s and subne t m ask.
7-2 TCP/I P Networ k C hara cterist ic s • Learni ng IP Inf orm ation F r om a DHCP Server • Assign ing WINS Server Addre sses.
TCP/IP Network Ch aracteri stics 7 -3 Configuring the Internet Address and Subnet Mask Configurin g the Interne t Address and Subnet Ma sk Tasks You can pe rform the fol lowing tasks: • Se t an Int ernet ad dres s. • Se t a s ubnet mask. • Disp la y the Int ern et addre s s and subn e t mask.
Configuring the Internet Addre ss and Subnet Mask 7-4 TCP/I P Networ k C hara cterist ic s Set ting an Int ernet Su bnet Mask The Internet sub net mask i s us e d to pa rtiti on the host sect ion of a n Internet a ddr ess int o subn ets. The defaul t subne t mask de pends on the clas s of the In ternet addr ess tha t you as signed.
TCP/IP Network Ch aracteri stics 7 -5 Configuring the Internet Address and Subnet Mask supe rnetting, you ca n give a Cla s s C s ubnet mask a range of 255.255.0 .0 to 255.2 55.255.254. Thi s allows you to address a blo ck of Cla ss C IP addresses as a “dom ai n” or a sing le des tination ad dres s w ith more than 254 hosts.
Configuring the Internet Addre ss and Subnet Mask 7-6 TCP/I P Networ k C hara cterist ic s Display ing th e Internet Address an d Subnet Mask To displ ay the Interne t a ddr es s and subne t m as k, us e th e SH OW/LIST /MONIT O R INTE RN E T co m m an d .
TCP/IP Network Ch aracteri stics 7 -7 Configuring Dom ain Name System (DNS) Ch aracteristics Confi g uri n g Domain Name Syst em (DNS) Ch aracteristi cs Tasks This se cti on de scrib es h ow t o d isp.
Configuring Dom ain Name System (DNS) Characteristics 7-8 TCP/I P Networ k C hara cterist ic s Name se rve rs ( Le arne d) : 99.9 9. 99. 99 Local name.
TCP/IP Network Ch aracteri stics 7 -9 Configuring Dom ain Name System (DNS) Ch aracteristics Display in g the DNS Counters To displ ay the DNS counters , use the SHOW/LIST INTERNET NAME RESOLUTION COUNTERS command. To rese t the DNS counter, us e th e Z ERO INTERNET NAME RESOLUTION COUNTERS command.
Configuring Dom ain Name System (DNS) Characteristics 7-10 TCP/I P Networ k Characterist ics Configuring t h e Default Name Res olutio n Domain Config uring the default domain name chara cteristic enables you to abbre viate Inte rne t host names in co mmands.
TCP/IP Net work Charact er istics 7-11 Configuring Dom ain Name System (DNS) Ch aracteristics The fol lowing e xample shows the procedure for and results of confi guri ng the default name resol ution to FINANCE.
Configuring Dom ain Name System (DNS) Characteristics 7-12 TCP/I P Networ k Characterist ics Chang ing the T ime Lim it The doma in nam e resolut ion tim e limit sp ecifi es the tim e that the ac cess serve r waits before it resends a q uery to a name se rver.
TCP/IP Net work Charact er istics 7-13 Configuring Dom ain Name System (DNS) Ch aracteristics Conf ig uring a List of Commonly Used Internet Ho sts You can opt ionally ent e r commonl y used Inte rnet host names and addr esses in the acce ss s erv er ca ch e.
Configuring Dom ain Name System (DNS) Characteristics 7-14 TCP/I P Networ k Characterist ics A loc al nam e serve r is a ny name s erver t hat is authorit ative for the default domain of the access se rve r. B efore a ddi ng a local nam e serve r, yo u must fi rst define the acce ss server domai n name.
TCP/IP Net work Charact er istics 7-15 Configuring Dom ain Name System (DNS) Ch aracteristics If the access s e rver c a nnot re ach a learned nam e serv e r becaus e of gate wa y restrict ions outs ide the server , it does not flag the unrea cha ble name server.
Configuring a List of Internet G ateway A ddresses 7-16 TCP/I P Networ k Characterist ics Conf i guring a List of In ternet Gatew ay Ad dr ess es In troduct ion If the a c cess server users ne ed to access host s in diff erent ne tworks or subnet s , you c a n defi ne a da tabase of Int e r ne t gat e ways .
TCP/IP Net work Charact er istics 7-17 Configuring a List of Internet Gateway Addresses De fi n i ng Netw or k s Av a il abl e Th ro ugh a Sp ecif ic Gat eway To indi c ate that the acces s serve r ca.
Configuring a List of Internet A RP Entries 7-18 TCP/I P Networ k Characterist ics Config uring a L ist of In ternet ARP Entrie s In troduct ion The l ist of address resolutio n protoc ol (ARP) entries maps Inter net a ddresses t o Etherne t ha rd ware addresses for devices on the same network as the access server.
TCP/IP Net work Charact er istics 7-19 Setting the T CP Keepal ive Timer Setti ng the TCP Ke epaliv e Ti mer What t he Timer Does The TC P kee pa live tim e r det ermines whe ther a TCP co nnection wi th a rem ote host is act ive and should r emain open.
Setting the T CP K eepalive Timer 7-20 TCP/I P Networ k Characterist ics Retry Set E xample The following exa m ple show how to set the maxim um number of keepa live probes that the a cce ss ser ve r .
TCP/IP Net work Charact er istics 7-21 Displaying the Internet Counters Disp laying the In ternet Counter s Using the SHOW Command Use the SHOW/LIST/MONIITOR INTERNET comm and to display the Int ern e t count ers. To reset the Inte rnet count ers, u s e the ZERO INTER N ET COUNTERS comm an d.
Displaying the Internet Counters 7-22 TCP/I P Networ k Characterist ics Inter n et Count er Display F ields The followi ng table des cr ibes the fields in a ty pical Inte rnet counters dis play: Field.
TCP/IP Net work Charact er istics 7-23 Displaying the Internet Counters IP Fragme nts D r opped: Total numbe r of IP fragments dropped due to eit he r a lack of me m o r y to sto r e the fra gm en t or rece iv ed a dupli cate fragm e nt. IP Error in Header: Total number of IP dat agrams recei v ed with errors in t h e hea der.
Displaying the Internet Counters 7-24 TCP/I P Networ k Characterist ics UDP Da tagrams The following counters contain statis tics on conne ctions: Trans mitte d: Tota l numbe r of UDP datagra ms tra nsmitt ed by the networ k access server. Receive d: Total number of UDP d a tagram s rece ived by t he networ k access server.
TCP/IP Net work Charact er istics 7-25 Learning I P Inf ormation F rom a BOOT P S erver Learning IP Inform ation From a BOO TP S erver In troduct ion Instea d of manual ly config uring IP informati on, y ou can h ave the access se rve r l earn its IP addre s s and othe r IP configu ration inform at ion from a BOOT P serve r on the networ k.
Learning IP Information From a BOOTP Server 7-26 TCP/I P Networ k Characterist ics Setting Up IP Configuration Le ar ning Do the foll owing to set up your a cc e ss se rver t o lea r n IP confi gura t.
TCP/IP Net work Charact er istics 7-27 Learning IP Information F rom a DHCP S erver Learning IP Inform ation From a DH CP Ser ver Descri p tion You can use th e Dyna m ic Host Confi guration Pro tocol (DHCP) to autom at ically co nfigu re T CP/IP char acter istic s on th e acce ss s erv er an d rem ote c lient s.
Learning IP Information F rom a DHCP S erver 7-28 TCP/I P Networ k Characterist ics DHCP Client Opera t ion Dur i ng initiali zation, the acc e ss s erver ac ts as a DHCP clie nt to obt ain IP c onfigurati on para m eters (e xcluding the IP a ddress; use a BOOTP server or th e DEFINE INTERNET ADDRESS c om mand to configure the IP a ddress).
TCP/IP Net work Charact er istics 7-29 Learning IP Information F rom a DHCP S erver DHCP Proxy Op er ation The acces s serv er can act as a DHCP prox y to provide IP addr ess ass ignment for m ost remote clients.
Learning IP Information F rom a DHCP S erver 7-30 TCP/I P Networ k Characterist ics IP Address Renewals Whe n t he DHCP se rver as signs an I P addr ess to a r emote cl ient, i t “lea ses” th e addr ess to the remote clie nt for a finit e or infi nite amount of tim e .
TCP/IP Net work Charact er istics 7-31 Assigni ng WINS Serve r Addresses Assig ning WINS S erver Addresses What Does WINS Do? Windows Inter net Naming Servi c e (WINS) perform s NetBIOS name a nd IP address resolut ion, similar to the Domain Name Servi c e (DNS).
Assigning WI NS Server A ddresses 7-32 TCP/I P Networ k Characterist ics Assign in g WINS Address es If you enable DHCP on the ac c es s server, it receives the WINS se rve r addresse s from a DHCP serv er on the net w ork and writ es the val ues to VRAM when you re ini tialize the access se rve r.
TCP/IP Net work Charact er istics 7-33 Assigni ng WINS Serve r Addresses Name se rve rs ( Le arne d) : 99.9 9. 99. 99 Local name. ac me .com 88.8 8. 88. 88 Local secon da ry .acm e. co m DHCP s erv er: 1 6.20 .2 44 .250 Loca l> The fol lowing t able lists the WINS cha r a cteristic s displ a yed i n the prev ious exa m ple.
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M anaging App leTalk 8 -1 Chapter 8 Managing AppleTalk Over view In troduct ion This ch apter explains how to c onf igur e and manage the Appl eTalk protocol sui te on an access serve r.
Configuring Appl eTal k on an Access Server 8-2 Managi ng AppleTal k Confi g uri n g AppleT alk on an Access Ser ver In troduct ion You c an config ure an a ccess se rver to a ct as an AppleTalk node on the net w ork a nd many diffe re n t compone nts can then be monit ore d.
Manag i ng App l eTalk 8-3 Configuring AppleT alk on a n Ac cess Serv er Dis ablin g Apple Talk If you deci de that your ac c ess s erver sh ould no lo nger act as a n AppleTalk node, a ll AppleTa lk .
Configuring Appl eTal k on an Access Server 8-4 Managi ng AppleTal k The default value f or n is the number of acc es s server a s ynchr onous ports divide d by 8. Fo r ins t a nce, t he def ault ca che si ze on a 1 6 por t acce s s ser v er woul d b e 2 .
Manag i ng App l eTalk 8-5 Displaying AppleTalk Ch aracteristics Disp la ying AppleTal k Ch a ra cteristi cs Comman d s Use t he LIST APPLETALK CHARACTERISTICS command to d isplay the AppleTa lk charact eri s tic s. This command is nonpri vileged. Use the SHOW /MONITOR APPLETALK STATUS command to see the values be ing use d oper ationall y.
Displaying Appl eTalk Counters 8-6 Managi ng AppleTal k Disp la ying AppleTal k Co unte rs Comman d Use the SHOW /MONITOR APPLETALK COUNTERS command to display the Apple T alk c ounters on an a ccess s erver.
Manag i ng App l eTalk 8-7 D isplaying Apple Talk Count ers Unsent Re sponse s The n um ber of AARP res ponses tha t could not be s ent due to i nsufficient acce ss ser ver r esour ces. DDP In Receives The number of DDP datagrams the acc es s se rv er ha s r ece ived , in cludi n g thos e re ceiv ed in er ror .
Displaying Appl eTalk Counters 8-8 Managi ng AppleTal k Broadcas t E rro rs The number of inpu t DDP data grams dropped because t h e acc e ss se rver was not t heir final d esti natio n and t hey we re addres s ed to the link le vel broadcast . Out Shorts T he number of sh ort DDP data gra m s tran smitte d.
Manag i ng App l eTalk 8-9 D isplaying Apple Talk Count ers AARP Values Two i mporta nt count er value s are those for AARP . Uns ent AARP pr obes or res ponses can i ndicate network proble m s. T his happens when th e a cce ss ser ver is too over l oaded to r es pond to AARP reques t s.
Displaying A ppleTal k Sta tus 8-10 Managi ng AppleTalk Disp la ying AppleTal k Status Comman d Use the SHOW/MONITOR APPL ETALK STATUS command to di s play the Apple T alk s tat us o n the access server .
Managing Appl eTalk 8-11 Displaying AppleT alk Status Up AppleT alk is fully operat ional. Ad dress Th e Ap pl eT alk addr es s of t he ac cess server, learned from the EtherTal k network at i nitiali zation. Its va lue is 0.0 until th e Learning s ta te.
Displaying Appl eTalk Routes 8-12 Managi ng AppleTalk Disp la ying AppleTal k Ro ute s Comman d Use the SHOW /MONITOR APPLETALK ROUTES command to display the avai lable Apple Ta lk rout es to an access se rve r.
Managing Appl eTalk 8-13 D isplaying A ppleTalk Routes Sta tus Th e curr ent st ate of the ro u te, as f ollo w s: Up The route is known to be vali d. Suspe ct The rout e is thought va lid , but has not bee n refreshed recent ly. Bad The rout e has not been refresh ed recen tly enough to warrant furth er use.
Displaying Appl eTalk ARP E ntries 8-14 Managi ng AppleTalk Disp la ying AppleTal k ARP En tri es In troduct ion When a n atta che d host s ends a mes s a ge t o an unknown App le T alk node o n t he .
Managing Appl eTalk 8-15 Displaying AppleTal k ARP Entries Local T he entry des igna tes either: 1 A host tha t is presentl y runni ng A pple T alk over it s asynchr onous link to the access serve r or 2 The ac ce ss ser ver A ppleT alk a d d res s Acquired The en try has been pre-a cq uired for l ater us e by an at ta ch ed A p pl eT al k host .
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Conf iguring Basic Dev i ce Ch aracterist ic s 9 -1 Chapter 9 Configuring Basic De vice Char acteristics Over view In troduct ion This c hapter expl a ins how to configure the bas i c cha racterist ics for all ty pes of devi c es tha t at ta ch t o t he ac cess s er ver p or ts .
Configuring B asic Dev ice Charac teristics 9-2 Confi gur ing Basic Devi ce Characteri st ics Confi g uri n g Basic Devi ce Ch aracter istics In troduct ion If yo u atta ch a sta n da rd DIG ITA L vid.
Confi guring Bas i c Dev i ce Ch ar acteri stics 9 - 3 Configuring Basic Device Ch aracteristics LONGBREAK LOGOUT Disab led Enabl e d, Di sabled Specifying LONGBREAK LOGOUT OUTPUT F LOW CO NT RO L Ena.
Displ a yi n g Basi c Device Charact eristi cs 9-4 Confi gur ing Basic Devi ce Characteri st ics Disp la ying Basic Devi ce Character istics Comman d To display ba s ic de vic e c hara cteristic s, use the SHOW PORT command.
Confi guring Bas i c Dev i ce Ch ar acteri stics 9 - 5 Config u r i ng the ACCESS Ch ar a c te r i stic Configurin g the ACCES S Char acterist ic Descri p tion The ACCESS cha racteris ti c determi nes which types of devices ca n use a port.
Matching the Port and Device Characteristics 9-6 Confi gur ing Basic Devi ce Characteri st ics Mat ch i ng th e Port an d D evi ce Ch ara cteristi cs In troduct ion Yo u mu st e nsu re t hat th e phy si cal cha racter ist ic s of t he ac cess serv er port m atch th e phys ical charact e ris tics of the devic e a s de scrib ed in this se ct ion.
Confi guring Bas i c Dev i ce Ch ar acteri stics 9 - 7 Matching the Port and Device Characteristics CHARACTER S IZE and PARITY S etti ngs The AUTOBAUD charact e ris tic functio ns only if th e input a.
Matching the Port and Device Characteristics 9-8 Confi gur ing Basic Devi ce Characteri st ics Example: Ch anging the P ARITY Settings The followi ng example shows how to cha nge the parit y: Loca l&g.
Confi guring Bas i c Dev i ce Ch ar acteri stics 9 - 9 Matching the Port and Device Characteristics TYPE Th e TY P E ch ar a ct er i sti c in d i ca te s th e de v ic e at ta ch e d to th e po rt.
Configuring the FLOW CONT ROL Characteristic 9-10 Confi gur ing Basic Devi ce Characteri st ics Config uring the F LOW CON TROL Cha racte ristic In troduct ion The FL O W CONTR OL char acte r ist ic al l ows t he acce s s serv er to sta rt an d st op data t r ansfe r betw een the po r t and th e atta ch ed dev ice.
Config uring Basic Device Charact eristi cs 9-11 Configuring the FLOW CONTROL Characteri stic Example: Enabli n g XON/XO F F FLOW CONTROL The followi ng example shows how to enabl e XON /XOFF FLOW CON.
Configuring the FLOW CONT ROL Characteristic 9-12 Confi gur ing Basic Devi ce Characteri st ics Example: Dis abling FLOW CO NTROL The followi ng command shows how to dis a ble FLOW CONT ROL on port 5 .
Config uring Basic Device Charact eristi cs 9-13 Specifying the A utomatic Logout Charac teristics Specifyin g the Au toma tic Lo gout Ch aracteristic s In troduct ion This sectio n descr ibes th e ch.
Specifying the Automatic Logout Charac teristics 9-14 Confi gur ing Basic Devi ce Characteri st ics Specify i n g INACTIVITY LOGOUT The INAC TIVITY L OGOU T charac terist ic all ows you to ena ble or t o disabl e auto m ati c log out for the port.
Configur i ng M odem Signa ls 10-1 Chap ter 10 Configuring Modem Signals Over view In troduct ion This chapter describes the va rious po rt charac teristic s th at you c an use to cont rol th e mode m signals. You use modem sign a ls to suppo rt devices that use the s e signa ls, such as mode ms, compute rs, and print ers.
DTE/DCE Devi ce Configuration 10-2 Confi gur ing Modem Signa l s DTE/DCE D evi ce Co nfiguration Port Conf ig uration The ro le o f the ac ces s se rver in th e c ommuni ca ti on is de te rmi ned by t.
Configur ing Modem Signals 10-3 Determining the Supported Mo dem Signals Determ in ing the Suppor ted Mode m S ignals Access S ervers and M ODEM CONTROL No t all ac ce ss ser v ers su p por t all mod e m sig nal s.
Determining the Supported M odem Signals 10-4 Confi gur ing Modem Signa l s • S e t 2 — Da ta Signal R ate Selector (DSRS) — RING Indicator (RI) — Data Carrier Dete c t (DCD) — Data Terminal.
Configur ing Modem Signals 10-5 Modem Signals Description Mode m Si gnals Desc ripti on Type s of Mo dem Si gnal The followi ng table des cri bes the various m odem si gna ls : Modem S ignal Descri p .
Modem Signals Des cription 10-6 Confi gur ing Modem Signa l s Data Signal R ate Sele ctor (DSRS) Ass er ted by th e ac ces s serv er to in dicat e the spe ed at w h ic h the m odem s h ould initia te communi ca tions.
Configur ing Modem Signals 10-7 Specifying MODEM CONT ROL and S IGNAL CONTRO L Specifyi n g MODEM CO NTROL and SIGNAL C ONTROL In troduct ion The MODE M CONTROL a nd SIGNAL CONTROL cha racteristi cs a.
Specifying MOD EM CONT ROL and S IGNAL CONTRO L 10-8 Confi gur ing Modem Signa l s Example: Enabli n g MODEM CO NTROL The followi ng example shows how to ena ble MODEM CONT ROL on port 5: Loca l> D.
Configur ing Modem Signals 10-9 Specifying SIGNAL S ELECT Specifying SIGNAL SELECT In troduct ion The SIGNAL SELECT c hara cteristic is used only wit h MOD EM CONTROL access serv e rs .
Specifying SIGNAL CHECK 10-10 Configuri ng Modem Signals Specifyi n g SIGNAL CHECK In troduct ion The SIGNAL C HECK characte rist ic allows the access serve r to check for any modem si gna l when a host re quests a connect ion.
Confi guring Mod em Signal s 10-11 Speci fying DTRWA IT Specifyi n g DTR WAIT Descri p tion Whe n f unct ioning with mode m s and compute r interf ac e s, th e acces s server port normall y as s e rt s th e DTR signal at all tim es e x ce pt during a disconne ct sequence .
Specifying RING 10-12 Configuri ng Modem Signals Speci fyi n g RING Descri p tion The RING charact eristic is supporte d only on those acce ss servers tha t s upport the DSRS s igna l. Cert a i n termin al switche s and comput e rs nee d to de tect a RING indic ator si gnal (RI) be for e t hey acti v at e.
Confi guring Mod em Signal s 10-13 Speci fying AL TERNATE S PEED Spe cifyi n g AL T ER N ATE SP EED Descri p tion Th e ALTERNAT E SPEED ch ara ct eris tic is onl y used with full MODEM CONT ROL acce ss s erver s. Two s peeds for a m odem port can be defi ne d i n the a ccess se rver data base: primar y and alt ern ate ( or f allb ack ).
Specifying DIA LUP 10-14 Configuri ng Modem Signals Specifyi n g DIALUP Descri p tion The DIA LUP ch ar ac ter istic is us ed t o n oti fy LA T s ervic e nod es t hat a po rt user conne c ted to the serv ice through a dia l-i n modem. The service node can use thi s inf or ma ti o n to im pl em en t system secu r i ty.
Confi guring Mod em Signal s 10-15 Sample M odem Configurations Sample Mo dem Configu rations In troduct ion This s e cti on provides sample m odem configura tions for access servers tha t support full MODEM CONTROL.
Sample M odem Configuration s 10-16 Configuri ng Modem Signals Configuring a D ial-Out M o dem on a Fu ll MODEM CONTROL Server The following example pr ovides a sample configura tion fo r a dia l-out .
Confi guring Mod em Signal s 10-17 Sample M odem Configurations Configuring a D ial-Out M o dem on a MODEM CONTROL Server The following example pr ovides a sample configura tion fo r a dia l-out modem.
MODEM CONTROL Sequence s 10-18 Configuri ng Modem Signals MODEM CONTROL Sequence s In troduct ion Modem-co ntrolled communic ation requires that the access serv e r recogn ize what type of devic e is on a port and detec t whe n this dev ice is ready to communic ate and when the de vice has ceased to comm unicate.
Confi guring Mod em Signal s 10-19 MODEM CONTRO L Seq uences 3 After fi rs t detect i ng DSR, the access serv e r monitors the port for CTS and DCD. If it detects CTS and DCD with in 30 sec onds, the access server ena bles data flo w on th e line.
Configuring DT R and DS R S ignals 10-20 Configuri ng Modem Signals Configurin g DT R and DSR S ignals In troduct ion This s e cti on describes how to configur e DT R and DSR s ignals f or those acces s server s that do not support the othe r mode m signa ls.
Confi guring Mod em Signal s 10-21 Configuring DTR and DSR Signals Port status indicat e s “Sig nal Wa it” i f conne c tion s cannot be a cce pted because DSR is d easse rted. DTRWAIT Has no affect un less SIGNAL CONTROL is ena bled . SIGNAL CONTROL a nd DTRWAIT DTR is as s er ted onl y if the re is a s olici ted remote connect ion.
Configuring DT R and DS R S ignals 10-22 Configuri ng Modem Signals Port is l ogged out if DSR is dea s serte d aft er in it ial as s ertion . DTR is d easse rte d for 5 s econd s m inimum as a c onsequence of a l ogout. DTR can only be rea ssert ed wh en a c onne ct ion is acc ept ed.
Configur i ng and Managing In ter active Devi ces 11-1 Chap ter 11 Configuring and Managing Interactive Devices Over view In troduct ion This ch apter explains how to c onf igur e and manage inte ractive devic es, such as termin als, te rmi na l-li ke device s , an d pe rson al computers (PCs) in termina l emulation mode .
11-2 Confi gur ing and Managing I nteracti ve Devices • Manag ing Users • Manag ing Sessions.
Configur i ng and Managing In ter active Devi ces 11-3 Configuring an Inte ractive Device for LAT Sessi ons Config uring a n Inte racti ve Devi ce for LAT S ession s Conf iguring an Interact ive Devic.
Configuring an Inte ractive Device for LAT Sessi ons 11-4 Confi gur ing and Managing I nteracti ve Devices Sample Network Configuratio n The followi ng figure show the sampl e ne twork c onfig uration for LAT and Telnet se s sions : Conf iguring L AT Group Co des for In teract ive Devices Group codes are subdivisio ns of a L AT netwo rk.
Configur i ng and Managing In ter active Devi ces 11-5 Configuring an Inte ractive Device for LAT Sessi ons Specifying AUTOCONNECT When you disab le the AUT OCONNECT charact e r is t ic on a giv e n port, the a ccess se rver di s plays the lo c al mode prom pt after you log in.
Configuring an Inte ractive Device for LAT Sessi ons 11-6 Confi gur ing and Managing I nteracti ve Devices Specify ing AUTOPROMPT The AUTO PROMPT c haracte ristic is onl y used with t he LAT p rotocol . This ch ar ac te rist i c con trols t h e in iti at ion of a l o gin pro cess on some se rvice no d es wh en a se ssio n begins .
Configur i ng and Managing In ter active Devi ces 11-7 Configuring an Inte ractive Device for LAT Sessi ons Auth entica tion i n Chap ter 21 for detail s. Spe cifying F ailover If a LAT service node sudde nly becomes unava ilable duri ng a s es s ion, the access server s ear c hes for a nother LAT service no de that offers the same se rvi ce .
Configuring an Inte ractive Device for LAT Sessi ons 11-8 Confi gur ing and Managing I nteracti ve Devices Th e Ser v ic e C on nec tio ns C h ara c te ri st i c The servic e connecti ons cha racteris tic allo w s you to dis able additi ons to the conne ction queue when a g ive n service is bus y.
Configur i ng and Managing In ter active Devi ces 11-9 Configuring an Inte ractive Device for LAT Sessi ons SHOW QUEUE ALL Dis p lay Example The following example s hows how to genera te a q ueue dis play. For e a ch q ueued reque st, the displays have one line of inform ation a rranged i n columns unde r fixed head ings.
Configuring an Inte ractive Device for LAT Sessi ons 11-10 Configu ri ng and Managing Inte ractive Devices Configu r ing Port Char acteristics The por t cha racterist ic, remote mod ifi cation, whe n ena bled, allo ws a LAT node to mod ify p a rticu lar acc es s se rv er p ort ch ar acte rist ic s.
Confi guring and Managi ng Interact i ve Devices 11-11 Configuring an Interactive D evice for Telnet Sessions Config uring a n Inte racti ve Devi ce for Te ln et Ses sions In troduct ion User-ori ente.
Configuring an Intera ctive Device for Tel net Sess ions 11-12 Configu ri ng and Managing Inte ractive Devices Refer e nce For a descrip tion of th e defaul t proto col chara c t eri stic, re fer to Specifying the Defa ult Prot ocol in th is cha pter.
Confi guring and Managi ng Interact i ve Devices 11-13 Configuring a Session Man agem ent (TD/SM P) Termina l Config uring a Se ssion Mana gem ent (TD/SMP ) Term inal In troduct ion The MUL TIS ESS IO.
Configuring a Session Managem ent (TD/SMP) Te rminal 11-14 Configu ri ng and Managing Inte ractive Devices • The dedicated servic e char acterist ic m ust be dis abled.
Confi guring and Managi ng Interact i ve Devices 11-15 Configuring a Session Man agem ent (TD/SM P) Termina l Log ging In wit h Multisessi ons The follo wing is a typic al procedu re for logging in at.
Configuring O n-Demand Loadin g for Asian Termi nals 11-16 Configu ri ng and Managing Inte ractive Devices Config uring O n-Dema nd Loa din g for As ian T ermin als In troduct ion Asian terminal s impleme nting the On-Demand L oading (ODL) font pr otocol c a n comm u nic ate w ith a n Op enV MS lo ad h ost thr ou gh a n ac cess s er ver .
Confi guring and Managi ng Interact i ve Devices 11-17 Configuring for Block-Mode Te rmin als Config uring for Blo ck-Mode T ermi nals Descri p tion B loc k-mode termina ls do not require any spec ial setup to comm unicate with a hos t thro u gh an acc es s serv er.
Specifying t he Tel net Cli ent Ses sion P rofile 11-18 Configu ri ng and Managing Inte ractive Devices Spe cifying the T elnet Cl ient S ession Profile In troduct ion You can set v arious featur es for a Telne t cli e nt s e ssion.
Confi guring and Managi ng Interact i ve Devices 11-19 Specifying the Tel net Client Session Pro file Teln et Client S ession Character istics Pred efined fo r Each Profile The followin g table lists the Tel net clie nt s e ss ion char acteris tics that ar e pred efined for eac h profile .
Specifying t he Tel net Cli ent Ses sion P rofile 11-20 Configu ri ng and Managing Inte ractive Devices 1. If ECHO i s in l ocal m ode , the E C HO charac terist ics are s uppre s sed, and ch ar ac te rs ar e n o t echo ed.
Confi guring and Managi ng Interact i ve Devices 11-21 Configuring Individua l Telnet Client Se ssion Charac teristics Conf i guring In d ividual T eln et Clie n t Sessi on Charact erist ics Mod ifyin.
Configuring Individual Tel net Client Session Characteristics 11-22 Configu ri ng and Managing Inte ractive Devices The followi ng example shows how to dis able the BINAR Y chara ct eristi c : Example.
Confi guring and Managi ng Interact i ve Devices 11-23 Configuring Individua l Telnet Client Se ssion Charac teristics Tel net Ke ym app ing Fu nct io ns The fol lowing t a ble s ho ws key func tion d e fi nit ions mapped to spec ific keys. You can dis a ble a ny o f the Te lnet c om mands i n this table b y using the k e yword NONE .
Configuring Individual Tel net Client Session Characteristics 11-24 Configu ri ng and Managing Inte ractive Devices Specify ing AUTOFLUSH The AUTOFLUSH chara c teristi c a utom atically invo kes the AO functi on whene ver you ent e r the IP, SYNCH, AYT, EOR, or B RK charact ers.
Confi guring and Managi ng Interact i ve Devices 11-25 Configuring Individua l Telnet Client Se ssion Charac teristics • NE WL INE TO TER MINAL — Wh en enter ed, th e c h aract er seq uenc e is sen t to the us er’s te rm in al w hen e ver a N EW L INE F ROM H OS T se que n ce i s r ece iv ed.
Configuring Individual Tel net Client Session Characteristics 11-26 Configu ri ng and Managing Inte ractive Devices The followi ng shows how to enable FLOW CONTROL from port 5 to the devi c e: Loca l&.
Confi guring and Managi ng Interact i ve Devices 11-27 Configuring Individua l Telnet Client Se ssion Charac teristics Example: Configur ing SW ITCH CHAR ACTER The following e xample shows how to dis .
Managing Acces s Server User Accoun ts 11-28 Configu ri ng and Managing Inte ractive Devices Managing Access Se r ver User Accounts Minim al Setup for Local User Acco unts A li mited a m ount of storage is a va ila ble for d efining us er acc ount r ecords wi thin the acc es s server vola tile and nonvol atil e memo ry.
Confi guring and Managi ng Interact i ve Devices 11-29 Managing Acce ss Server User Accounts SHOW/LIST/MONITOR USERACCOUNT Display The fol lowing table d e fines the valu e s in the SHOW USSERACCOUNT .
Managing Acces s Server User Accoun ts 11-30 Configu ri ng and Managing Inte ractive Devices Ser vice Typ es and Access Levels The followi ng table defi nes the service ty pe and access le ve l: Ser vice Perm issio ns Access The following t abl e shows the type of s ervice permissi ons a user can have .
Confi guring and Managi ng Interact i ve Devices 11-31 Managing Acce ss Server User Accounts User Acco unt Com mand Parame te rs The co m man d s in th e f o ll o win g tab l e al lo w the se cu r ity m an age r to ma na g e a sma ll loca l data base t o be us ed for au thenti c ati on and author ization.
Managing Acces s Server User Accoun ts 11-32 Configu ri ng and Managing Inte ractive Devices Access Co mmand Var iables The followi ng table defi nes the ACCESS command param et er variable s : MAX CONNECT Indic ates t he maximu m number of minu tes the user ca n be logge d in be fore being fo rcibly lo gged out.
Confi guring and Managi ng Interact i ve Devices 11-33 Managing Users Managing Users This s ection descr ibes various ta s ks for man agi ng users. Pr oviding a Co ntact Nam e and Access Server L ocatio n The SET/DEFINE/CHANGE SYSTEM command allows you to provi de all access se rver user s with a person’s name to conta ct in case of probl ems.
Managing Users 11-34 Configu ri ng and Managing Inte ractive Devices Example : Enab ling a Preferre d LAT Servi ce on a Speci fic Node a nd Po rt The followi ng example shows how to s pecify that port.
Confi guring and Managi ng Interact i ve Devices 11-35 Managing Users Spe cifying Keys t o Switch Bet ween Sessio n s Acces s serv er us e rs ca n defi ne keys as switch es. These keys can switch from one se ssi on to another witho ut having to retur n to loc al mode.
Managing Users 11-36 Configu ri ng and Managing Inte ractive Devices Defining the Break Key The B RE A K ch ar a ct eri sti c d efi ne s how the Br ea k key is us ed . The B r ea k key can be defi ned in t hree ways: • LOCAL — Press ing t he Br eak key switche s th e user from se rvice mode to loca l mode.
Confi guring and Managi ng Interact i ve Devices 11-37 Managing Users Example : Configuring a Key as a Switc h The followi ng example shows how to ide ntify “-” as the local s w itc h for port 3: .
Managing Users 11-38 Configu ri ng and Managing Inte ractive Devices A user with pri vileges set ca n use the privil eged BROADCAST ALL command to send a mess age to all in terac tive user s.
Confi guring and Managi ng Interact i ve Devices 11-39 Managing Users Sp eci f yin g M e s sa g e Co de s Each acce ss se rv er me ssag e has a me ssage cod e.
Managing Users 11-40 Configu ri ng and Managing Inte ractive Devices Example: Config uring LOC K The followi ng example shows how to ena ble LOCK on the access s erve r, while dis a bling LOCK on p or.
Confi guring and Managi ng Interact i ve Devices 11-41 Managing Users SHOW/LIST/MONITOR USERS Display Headings The followi ng table pr ovid es an explanat ion of the informati on in the displa y in th.
Managing Users 11-42 Configu ri ng and Managing Inte ractive Devices Curren t groups (user-s pec ifi ed groups) are sto r ed onl y in the opera tional databa s e . The refore, use rs mus t us e the SET PORT command to co nfigure thes e groups; users cann ot use th e DEFINE PORT or CHANGE PORT command.
Confi guring and Managi ng Interact i ve Devices 11-43 Mana ging S essions Mana g ing Sessi ons This s ection sho ws how to initi ate and term in ate sess ions and how to disp la y ses s ion informat i on. Initia ting a Ses sion to a L AT Service To ini tiate a ses s ion to a LAT service, us e t he CONNECT LAT com ma nd with th e servic e name.
Managing Sess ions 11-44 Configu ri ng and Managing Inte ractive Devices Exampl e: Initiating a Session with an Inte rnet H ost The foll owin g thr ee com mands s ho w how to ini ti ate a sess ion with the s ame host. The firs t command use s the relative dom ain name, SALES ; th e second c ommand uses th e abs olute domain nam e SALES.
Confi guring and Managi ng Interact i ve Devices 11-45 Mana ging S essions com mand st a rts a PING s ession, which cont inues u ntil the PING s uc ceeds (and se nds a VERIFICAT ION messa ge) or until the ti m eout peri od of 3 0 seconds is exceed ed.
Managing Sess ions 11-46 Configu ri ng and Managing Inte ractive Devices For por ts with s ession manage m ent te rm inals, the kin d of termina l at the port furt he r dete rmines the port’s s e ssio n limit, where the a cce ss server port c an support up to eigh t termin al sessio ns.
Confi guring and Managi ng Interact i ve Devices 11-47 Mana ging S essions SHOW/ MO NIT OR SES SIONS Displ ay Fiel ds The followi ng table des cri bes the informa ti on in the SHOW/MONITOR SESSIONS dis play: Field Descrip tion Sessi on n Number of the ses s ion.
Managing Sess ions 11-48 Configu ri ng and Managing Inte ractive Devices Display ing Sessio n Chara c teristics You can di s play the chara cteristic s of any current LAT or Telnet sess ion.
Confi guring and Managi ng Interact i ve Devices 11-49 Mana ging S essions SHOW/ MO NIT OR PORT SE SSION S STATUS Display Fields The followi ng table provid es a descript ion of the SHOW/MONI T OR POR.
Managing Sess ions 11-50 Configu ri ng and Managing Inte ractive Devices Do- End of Record Enable d — The ac ces s se rver is enabl ed to re ce iv e EO R co mm an ds . Disabled — Th e acce ss ser v e r is not enab l ed to re ce iv e EO R co mm an ds .
Confi guring and Managi ng Interact i ve Devices 11-51 Mana ging S essions Ter m inatin g Sess io ns The r e are two commands you ca n use to termina te a sessi on on a not he r port: • The privil eged LOGOUT PORT command allows you to m anua ll y log out any port, and al l s essions termi na te at the speci f ie d port.
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Conf iguring and Manag ing LAT Servi ces 12-1 Chap ter 12 Configuring and Managing LAT Services Over view In troduct ion This chapt er ex plains how to con figur e dev ices att ach ed to the acc ess se rver po rts as LAT se rvices. A LAT n ode can offe r devic e s a s LAT servic es to user s o n the port i tself and oth er L AT nodes.
Configuring a Port to Offer a LAT Serv ice 12-2 Confi gur ing and Managing LAT Ser vices Config uring a Por t to O ffer a LAT Se rvice Configu r ation P ar ameter s After you atta ch a d evice t o a p.
Config uring and Managing LAT Servi ces 12 -3 Configuring Acces s to a LAT Service Conf i guring Acces s to a LAT Serv ice Assi gning a Service Na m e A service name is a name you assi gn to th e LAT se rvic e using the CHANGE SERV I CE N A ME co mm an d .
Configuring Acces s to a LAT Service 12-4 Confi gur ing and Managing LAT Ser vices Assi gning an Identificat ion Strin g A service ide nti fication s tring helps user s recogniz e and use the servic e. It can be up to 4 0 char a cters in len gth. The factory-se t defaul t is no ide ntificat i on s tring.
Config uring and Managing LAT Servi ces 12 -5 Configuring Acces s to a LAT Service Spe cifying the Servi ce Passwor d An option al servic e pass word restricts ac cess to a servic e. When a service cont ai ns a pas s w ord, the acces s se rver prompts you for the pas s wor d bef ore allowing you to use t h e s erv ic e.
Configuration of Specific Types of Devices As LAT S ervice s 12-6 Confi gur ing and Managing LAT Ser vices Configura tion of Spec ific Type s of Devices As LAT Serv ice s In troduct ion This s ection .
Config uring and Managing LAT Servi ces 12 -7 Configu ration of Spec ific Types of Device s As LAT Services Loca l> DEFI NE PO RT 2 LO CAL S WITC H ^L PASS WORD DIS ABLE D PRE FERRE D NONE Loca l&g.
Configuration of Specific Types of Devices As LAT S ervice s 12-8 Confi gur ing and Managing LAT Ser vices Conf ig uring a Modem As a LA T Service The followi ng example shows a s am ple confi guratio.
Config uring and Managing LAT Servi ces 12 -9 Configu ration of Spec ific Types of Device s As LAT Services Configu r ing a Printer As a L AT Service After yo u configure a printer as a LAT servi c e,.
Configuration of Specific Types of Devices As LAT S ervice s 12-10 Configu ri ng and Managing LAT Servi ces Cre atin g a Lo gi cal De vice t o Ac ce ss a Pr in ter Se rvic e The followi ng example shows how to run LAT CP to cre ate a logical devi c e.
Configu ring and Managing LAT Ser vi ces 12-11 Configu ration of Spec ific Types of Device s As LAT Services $! $SET D EVI CE L TA 1925 : /S POOLE D= (LN0 3_ QU E,SYS $S YS DEVI CE :) $! $DEF IN E/F O.
Configuration of Specific Types of Devices As LAT S ervice s 12-12 Configu ri ng and Managing LAT Servi ces : lf =/u sr/l ib /adm /l pd -errs : # cd / usr /spo ol # mk di r l pd # ch ow n d aemo n lps.
Configu ring and Managing LAT Ser vi ces 12-13 Con figuring a P rinter with Una nnounced Av ailabilit y Configurin g a Printer w ith Una nnoun ced Availa bility In troduct ion This s ection descr ibes how to confi gure a print er wit h unann ounced avail a b ili ty.
Configuring a Printer wi th Unanno unced Avai lability 12-14 Configu ri ng and Managing LAT Servi ces Example: Config uring a Printer with Unannounced Availability on a LAT Network on Port 4 Loca l>.
Configu ring and Managing LAT Ser vi ces 12-15 Verifying the LAT Serv ice Verifying th e LAT Servic e Do This To verify whet he r the serv ice is funct ioning, tr y co nnecting to the ne w servi ce . Once connected, you can asses s whethe r the de vice re sponds a ppropri ately.
Managing Your Access Server As a LAT Node Of fering a Service 12-16 Configu ri ng and Managing LAT Servi ces Mana g ing Your Access Server As a LAT Nod e Offeri ng a Serv ice In troduct ion By de f au.
Configu ring and Managing LAT Ser vi ces 12-17 Managing Your Acc ess Server As a LAT Node O ffering a Serv ice Example: SHOW SERVICE CHARA CTERISTICS Display The following e xample below shows ho w to.
Managing Your Access Server As a LAT Node Of fering a Service 12-18 Configu ri ng and Managing LAT Servi ces Display ing Services S tatus The SHOW/LIST/MONITOR SERVICE ST ATUS command displa ys informa tio n about the ope rational conditi on of t he network and its services, inclu ding s ervices of fere d by your a cce s s ser ve r.
Configu ring and Managing LAT Ser vi ces 12-19 Managing Your Acc ess Server As a LAT Node O ffering a Serv ice Example: SHOW SERVICE ST ATUS Display The followi ng example shows how to gen erate a ser.
Managing Your Access Server As a LAT Node Of fering a Service 12-20 Configu ri ng and Managing LAT Servi ces Di sp la yi n g S er vi ce s S u mm ar y The SHOW/MONIT OR SE RVICES SUMMARY c ommand dis plays one l ine of inform a tion on eac h se le cted service or servic es.
Configu ring and Managing LAT Ser vi ces 12-21 Managing Your Acc ess Server As a LAT Node O ffering a Serv ice Example: SHOW SERVICE SUMM ARY Display The followi ng example shows how to gen erate a se.
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Configu ring and Managing Tel net Servers 13-1 Chap ter 13 Configur ing and Managing Telnet Serv ers Over view In troduct ion This chapter e xplains how t o confi gure vario us types of devices as a Telne t or r aw TCP server . A Tel ne t o r raw TCP s erver is a r esource on a TCP/IP network.
Sample D evice Co nfigurations 13-2 Confi gur ing and Managing Tel net Servers Sample D evice Co nfigur ations In troduct ion This s e ctio n provi des example s of con f igu ring the foll owing types.
Configu ring and Managing Tel net Servers 13-3 Sample D evice Co nfigurations Loca l> CH ANGE T EL NET LI STENE R 20 10 P OR TS 4 EN AB LED Loca l> CHAN GE TEL NE T LISTE NE R 20 10 I DENTI FI C.
Sample D evice Co nfigurations 13-4 Confi gur ing and Managing Tel net Servers Example: Confi guring a D ial-In and Dial-Out M odem The followi ng example shows a sample configura tion of a dial-ou t .
Configu ring and Managing Tel net Servers 13-5 Configuring a Personal Comput er As a Terminal and for Access through a Telnet Listener Config uring a Pe rsonal Com puter As a Te rmina l and for Access.
Configuring a Personal Computer As a Terminal and for Access through a Telnet Listener 13-6 Confi gur ing and Managing Tel net Servers Set t ing User Priority f o r Device s Using Dynam ic Access You can enabl e interru pts if you want the owner or main user of the devic e to have full cont rol over it.
Configu ring and Managing Tel net Servers 13-7 Configuring a Personal Comput er As a Terminal and for Access through a Telnet Listener Co nfigu ring a File Tr ansfer Part ner The access s erver supp orts the file transf e r capa bility of a pe rsonal c omputer on an access server port .
Configuring a Remot e Print Queue 13-8 Confi gur ing and Managing Tel net Servers Config urin g a R em ote Print Queue In troduct ion The fol lowing sections explain how to configure a print queue o n an UL TRIX or UNIX system.
Configu ring and Managing Tel net Servers 13-9 Configuring a Remote Print Queu e Pr ocedure T he followi ng procedure describ es how to conf igure an ULTRIX (Version 4.
Configuring a Remot e Print Queue 13-10 Configu ri ng and Managing Telnet Servers Configu r ing a TCP/IP Remote P rint Queue on a UNIX System Syst em managers must provi de a n appl ication that que ues pri nt jo bs on a UNIX system . A sample pri nt spoo ler progra m, DS7-UNIX-SPOOL.
Confi guring and Managi ng Telnet Serve rs 13-11 Configu ring a Telnet Listener Conf i guring a Te ln et Listen er In troduct ion Pe rfo rm th e fo llo win g step s t o a s si gn a Tel n et li s ten er t o on e o r mo re d ev i ces at ta che d to ac ces s s erver po rt s: Ste p A ct ion 1 Assi gn a TCP po r t to the ac ces s ser v er por t .
Configuring Telnet Server Session Charac teristics 13-12 Configu ri ng and Managing Telnet Servers Conf igur ing T elne t Server Sessio n Charact erist ics In troduct ion The followi ng sectio ns des cri be how to configure th e various T elne t server sess ion ch arac teris tics.
Confi guring and Managi ng Telnet Serve rs 13-13 Configuring T elnet Server Sessi on Characteristics Spe cifying Newline Character istics The N EW LIN E ch ar acte rist ics al low t he p erso n ma nag ing t he ac ce ss ser ver to def ine a ne w li n e as a 1 - o r 2-c h arac te r sequ e nce.
Configuring Telnet Server Session Charac teristics 13-14 Configu ri ng and Managing Telnet Servers Example: Se tting Character Size in a Sp ecific Direction The foll owing example shows how to set CHA.
Confi guring and Managi ng Telnet Serve rs 13-15 Manag ing Y our Acces s Server A s a Telnet Listener Nod e Mana g ing Your Access Server As a Telnet L istene r Node In troduct ion This section cont ains the proced ure s to di s pla y and remove Telne t listeners .
Managing Your Access Server As a Telnet Listener Node 13-16 Configu ri ng and Managing Telnet Servers Remov ing a Telne t Listener You can r emove a Te lnet li sten er that w as defin e d in ei th er the per manent o r opera tional dat abases.
Confi guring and Managi ng Telnet Serve rs 13-17 Manag ing Y our Acces s Server A s a Telnet Listener Nod e Reassig ning a Po r t This proc ess allows you to manage a faile d ac c ess serve r port that is confi gured as a Teln e t li sten er.
Supplying Us er Loc ation Data to Telne t S ervers 13-18 Configu ri ng and Managing Telnet Servers Supplyin g User Loc ation Data to Telnet Servers In troduct ion Whe n the ac cess ser ver c reate s a Teln et cli ent co n necti on, it a utomat ical l y n e got iates with the T elne t server to send port user dat a .
Confi guring and Managi ng Telnet Serve rs 13-19 Configuring a Raw TCP Listener Config uring a Raw TC P List ener In troduct ion When y ou confi gure a T elne t list ener t o use raw TCP, t he a ssocia ted port send s da ta t o a d evice or a re mote host wi thout a ny da ta manipul ation or in terpre tation of contr ol ch ar acte rs.
Configuring a Raw TCP Listener 13-20 Configu ri ng and Managing Telnet Servers Display in g Raw TCP Character istics Use the SH OW /L IST TELN E T LI STEN ER c omm and to view the raw TC P se ttings .
Configu ri ng LPD Pr int ers 14 -1 Chap ter 14 Configuring LPD Printers Over view In troduct ion The Line Pri nte r Daemon (LPD) handl es remote networki ng print ing. It lis ten s for pr int reque s ts from remot e hosts on the Local Area Network (LAN) and respond s to t h es e req u ests .
LPD O peration 14-2 Configur ing LPD Printe rs LPD Oper ation Supp or ted F il e T ype s The access s erver’s L PD impl ementation supports printin g of AS CII text and Post Scrip t files. The acces s server doe s not conv ert files from one format to the othe r.
Configu ri ng LPD Pr int ers 14 -3 LP D O per at ion se nds the user d ata to t he print e r as t he la st page of t he print j ob. In thi s situ ation, the access serv er ca nnot disp lay or us e user information from t he co ntrol fi le while th e f ile is pri nting.
LPD O peration 14-4 Configur ing LPD Printe rs Oper ation The a c cess s erver rece ives p rint re quests f rom remote hosts on TCP por t 515. It uses LPD to send the file to a local pr inter th rough th e access serv er’s LAN interf ace and a se rial p ort.
Configu ri ng LPD Pr int ers 14 -5 Configuring LP D Config uring LP D Configuring Rem ote Hosts Remote networ k printing using L PR/LPD r equires tha t you set u p the host syste m cor r e ctly.
Configuring LP D 14-6 Configur ing LPD Printe rs The followi ng table lists the print cha racterist ics that you c a n configu re: Set t ing Por t Chara cteristics For LPD to communi cate with your pr.
Configu ri ng LPD Pr int ers 14 -7 Configuring LP D Printe r Configuration Example The fo llo win g e xam pl e sh ow s ho w t o c onfi gur e t he ac ces s s erver to use L PD for rem ote ne twork p ri.
Configuring LP D 14-8 Configur ing LPD Printe rs F l o w C o n t r o l : X O N O u t p u t S p e e d : 9 6 0 0 P a r i t y : N o n e S i g n a l C o n t r o l : D i s a b l e d Stop B its : Dy namic A.
Con figurin g and Man aging SLIP Ports 15-1 Chap ter 15 Configuring and Mana ging SLIP Ports Over view In troduct ion This ch apter explains how to c onf igur e and manage acces s serve r ports for use with PCs and comput ers actin g as seri al line Internet protocol (S L IP) host s .
15-2 Confi gur ing and Managing SLI P Port s • Esta blishing Term ina l Session s wit h a PC • Esta blishing a SLI P Sess ion • Esta blishing a SLI P Sess ion • Co m p re ss e d SL IP • Disp.
Confi guring an d Managi ng SLIP Por ts 15 - 3 Packet Forwardin g to and from SLI P Ho sts Packe t For warding to a nd fr om SLIP Hosts Descri p tion Dur ing S LIP s essio n s, t he acc ess s erver for ward s packet s fr om an atta ch e d SLI P hos t thr ough th e E the rnet i nte rf ace t o th e In ter net .
Di sp la yi ng SL IP C har ac te r is ti c s 15-4 Confi gur ing and Managing SLI P Port s Disp laying SL I P C har ac teris tics In troduct ion The LIST/ S HOW/MONITOR SLIP CHARACT ER IS TICS co m mand enab le s you to dis play the SLIP confi guration for a give n port.
Confi guring an d Managi ng SLIP Por ts 15 - 5 Managing Internet A ddresses f or SLIP Ho sts Mana g ing Inter n et Ad dress es for SLI P Hos t s In troduct ion The Int erne t ad dress f or t he SLIP host must be uni que on the sub net and m ust ha ve the sa me subnet ide nt ifier a s the access s erver.
Managing Internet A ddresses f or SLIP Hosts 15-6 Confi gur ing and Managing SLI P Port s How a P ort Automatically O btains the SLIP Host A ddress If you con figure a port for SL IP commun ic at ion .
Confi guring an d Managi ng SLIP Por ts 15 - 7 Managing the Maximum Transm iss ion Unit Managing the Maximu m Tra nsmi ssi on Unit In troduct ion The m aximum tra nsm issi on unit (MTU) value speci fies the maxi m um si z e o f the data gram th a t a gi ven acc e ss se rver po rt accepts .
Configuring a Port So That a PC Can Function as a Termin al or SLIP Host 15-8 Confi gur ing and Managing SLI P Port s Configurin g a Por t So That a PC Can Fun ction a s a Term ina l or SLIP Hos t In .
Confi guring an d Managi ng SLIP Por ts 15 - 9 Configuring a Dedicat ed SLIP Port Configurin g a Dedic ated SLI P Port In troduct ion The dedic ated SLIP port al lows a singl e S LIP ses s ion. Before you perf orm this proc edur e, you must config ure the device and port ch ar acte risti cs as d escrib e d in Cha pter 9.
Configuring a Dial-In M odem for U se with a SLI P Ho st 15-10 Configu ri ng and Managing SLIP Port s Config uring a Dia l-In Mode m for Use with a SLIP Ho st In troduct ion Before you perf orm this proc edur e, you must config ure the device and port ch ar acte risti cs as d escrib e d in Cha pter 9.
Confi guring and Managin g SLIP Por ts 15-11 Establishi ng Term inal Sessions with a PC Estab lis h ing Termin al Sessi ons with a PC Pr er e quisites Before you ca n use a PC t o establi sh a t erminal session wi th th e acces s serv e r, y ou must: 1 Config ure the device and por t characte ris tics as desc rib ed in Chapt er 9.
Establishing a SLIP Session 15-12 Configu ri ng and Managing SLIP Port s Establi shing a S LIP S essio n Ena bling a SL IP Sessio n from the PC The followi ng example shows how a nonpr ivileg ed us er could confi gure and st ar t a SL IP se ssio n. T he examp le as sumes that th e por t cha racte rist ics are conf igured as shown this exa m ple.
Confi guring and Managin g SLIP Por ts 15-13 Compress ed SLIP Compr essed S L IP In troduct ion The acce ss ser ver ha s th e abil ity t o enabl e com presse d SLI P (CSL IP). En abli ng CSLIP compress e s the lengthy headers of IP data grams on low-s pe ed a syn c hronous seria l line s.
Displ a yi n g SLIP Count e rs 15-14 Configu ri ng and Managing SLIP Port s Displ ayin g SLIP C ounters Comman d s The SHOW/MONITOR POR T SLIP COUNTERS c o mma nd d isplays the vario us SLIP count ers. To reset the count ers, u s e the ZERO COUNTERS PORT SLIP comm an d.
Confi guring and Managin g SLIP Por ts 15-15 Disabling SLI P Disab ling SLIP Comman d Use the CHANGE PORT n SLIP DISABLED command to di s abl e SLIP on a port.
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Configuring f or SNMP Access 16-1 Chap ter 16 Configuring for SNMP Access Over view In troduct ion This cha pter describe s how to config ure the acces s serve r simpl e ne twork ma nagement pr otocol ( SNMP) agen t so tha t i t can be cont rol led by a rem ote Netwo rk Manage ment Station (NMS).
Supported S NMP Feat ures 16-2 Confi gur ing for SNMP Access Supported SNMP Featur es Sup po rte d Specif icati ons The access server supp orts the S NMP s pec ificatio ns l isted i n the f ollo wing .
Config uri ng for SNMP Ac cess 16-3 Supported SNM P Features Supp or ted M IBs The access s erver supp orts the Managem ent I nformation Bases (MIBs) lis ted in the follo wing tabl e . The rele ase kit conta ins all suppo rted MIBs. The net work manager can enr oll th ese MI Bs in th e ap pr opri at e N MS .
Supported S NMP Feat ures 16-4 Confi gur ing for SNMP Access Suppo rted Manage ment Informati on Base Variables Th e f ollowin g figur e ill ustra tes the ac ces s s erver im plem en tat i o n o f MIB-II , the Charac te r MIB, RS- 232-like MIB, AppleTalk MI B, and Et he r ne t -li ke MIB varia bles.
Config uri ng for SNMP Ac cess 16-5 C onfiguring the Access Server for SNMP Access Confi g uri n g the Acces s Ser ver for SNMP Access Enablin g and Disab ling SNMP Th e acc ess se rver mus t h ave an I n tern et ad d r ess to en abl e SNMP.
Configuring the Access Server for SNMP Access 16-6 Confi gur ing for SNMP Access Conf iguring a C om m unity Name for Acc ess by An y NMS Use the CHANGE SNMP COMMUNITY communi ty-name SET E NABLED comm an d t o cr eate a com m un ity nam e.
Config uri ng for SNMP Ac cess 16-7 C onfiguring the Access Server for SNMP Access Co nfigu ring Co mmun ity Names to Se nd TR AP Mess ages You can opt ionally conf igure the acces s s erve r to send TRAP mess a ges to a specifi c NMS f or each co mmuni ty name .
Configuring the Access Server for SNMP Access 16-8 Confi gur ing for SNMP Access Sample S NMP Conf ig uration The followi ng figure is a diagra m of a network config uration that result s from the com.
Config uri ng for SNMP Ac cess 16-9 C onfiguring the Access Server for SNMP Access After yo u remove a communi ty na me, any NMS th a t u sed th e community na m e is no longe r abl e to communi cate with the acces s s erve r.
Configuring the NMS 16-10 Conf iguring for SNM P Access Config uring the NM S Pr ocedure T o c onf igure an NMS to manage an acces s serv er us ing SNMP, do the foll owing : Ste p A ct ion 1 Enter the acces s ser ver m a nageme nt informati on bas e s (MIBs) in the NMS data base (se e Suppor te d MIB Variable s in t his chapt er).
M anaging t he Acc ess Server 17-1 Chap ter 17 Managing the Access Server Over view In troduct ion The followi ng lists the a c tions you perform to manage the a ccess s e rver. These ac tions shou ld be done on an as-needed ba s is. • Man a ge the ac ce ss ser v er as pa r t of the LA T ne tw ork .
Managing Your Access Server As Part of the LAT Netwo rk 17-2 Managi ng the Access Server Mana g ing Your Acces s Server As Par t o f the LAT Network In troduct ion The network manage r should co ordinate the activi ties of servi c e nodes and access se rver s.
Mana gi ng t he Access Server 17-3 Manag ing Yo ur Acces s Server A s Part of the LAT Network The followi ng example shows how to dec rease the node limit to 100: Local> CHANGE SERVER NODE LIMIT 100 Redu cin g Me mo ry Us age Se t the n ode li mit chara cteri s tic to a lower val ue.
Managing Your Access Server As Part of the LAT Netwo rk 17-4 Managi ng the Access Server SHOW /LIST/MONITOR N ODE STATUS Display Fields The followi ng table des cr ibes the info rmati on in the fields a nd headi ngs of the node st atus disp la y: Field Des cri ption Node Name of the servi c e node.
Mana gi ng t he Access Server 17-5 Manag ing Yo ur Acces s Server A s Part of the LAT Network View ing LAT Node Cou nters I nform ati on The S HOW/MONIT OR NODE COUNT ERS command displays the c ounters for messa ge s tran sm itt ed b etw een th e acce ss s erv er and t he s el ecte d LA T serv ic e n ode s.
Managing Your Access Server As Part of the LAT Netwo rk 17-6 Managi ng the Access Server Example: SHOW/LIST/MONITOR NODE COUNT ERS Display The followi ng example shows how to gen erate a displa y of the count ers for LAT messa ges between the acc e ss s erver and a servi c e node named PEACH.
Mana gi ng t he Access Server 17-7 Manag ing Yo ur Acces s Server A s Part of the LAT Network Multi ple Node Addresse s Nu m ber of ti m es that a node adve rtised its e lf with a physic al address differ ent from that in a p r eviou s adver tisem ent.
Managing Your Access Server As Part of the LAT Netwo rk 17-8 Managi ng the Access Server View ing LAT Node Summ ary In form atio n The SHOW NODE SUMMARY command produ ces a l ine of information for e a ch se lected se rvice node. This di splay i s useful to determ ine if a s ervic e node is reachable .
Mana gi ng t he Access Server 17-9 Manag ing Yo ur Acces s Server A s Part of the LAT Network Example: NODE SUMMARY Displa y The followi ng example shows how to gen erate a node summar y dis play: Loc.
Displaying Informa ti on About the Ac cess Server 17-10 Managi ng the Ac cess Ser ver Disp la ying Infor m a t io n About the Acces s Server In troduct ion The LIST/ MON ITOR/ S HO W SERVER command disp lay s in form ation about th e acces s s erve r or about data ma int ained by the acce ss server.
Manag ing the Acce ss Server 17-11 Displaying Information Abo ut th e Access Server Each c ounter has a maxi mu m value of 4, 294,967 ,29 5. If a count er reache s t ha t va lue, it la tches (rema ins) at that valu e until eithe r the counters are set to zero or th e a cce s s se rver is initi aliz ed.
Displaying Informa ti on About the Ac cess Server 17-12 Managi ng the Ac cess Ser ver Fra mes R ecei ved Nu mber of dat agr am fram es succ es sfull y rec eive d b y t he ac cess s er ver, in clu di ng mult icas t f rames .
Manag ing the Acce ss Server 17-13 Displaying Information Abo ut th e Access Server Send Failu re Reasons Mask pr ovid ing informat ion about the type or type s of send fail ure encounte re d if the Send Fa ilures cou nter is no t ze ro. T his is a cum ulativ e mask .
Displaying Informa ti on About the Ac cess Server 17-14 Managi ng the Ac cess Ser ver Receive Fail ure Reasons Mas k pr oviding inform ation about th e type or type s of receive failure e nc ounte red if the Rec eive Failure s count er is not zero. This is a cum u la tive mask.
Manag ing the Acce ss Server 17-15 Displaying Information Abo ut th e Access Server S ys tem B u ffer Un a vai la ble Numb er of time s a sys tem buff er was n ot ava ilab le i n t he acce ss s erv er for an i nco min g fr ame. This counter shou ld acc umula te at a r ate of l es s tha n tw o c oun t s pe r da y.
Displaying Informa ti on About the Ac cess Server 17-16 Managi ng the Ac cess Ser ver Display ing Access S erve r Status The SHOW/LIST/MONITOR SERVER ST ATUS command displ a ys the stat us of the acces s s erve r.
Manag ing the Acce ss Server 17-17 Displaying Information Abo ut th e Access Server Queue En tries: 0 0 100 Resource Errors: 0 Availabl e Services: 89 9 2 N/A Port Fra ming Errors: 0 Local Se rvices: .
Displaying Informa ti on About the Ac cess Server 17-18 Managi ng the Ac cess Ser ver Active Po rts Ports t hat have either i nteracti ve se s s ions or remot e acce ss co nnecti ons . Acti ve Users Ports tha t ha ve interactiv e s es sions. Que ue Entri es Queued co nnect i on req uests th at ar e in the ac cess server queu e .
Manag ing the Acce ss Server 17-19 Displaying Information Abo ut th e Access Server The memory used for stori ng s ervi c e and node info rm ati on is share d with th at used fo r handl ing multi ple session s and qu eued connecti on request s.
Displaying Informa ti on About the Ac cess Server 17-20 Managi ng the Ac cess Ser ver Load Addr ess Ethernet addres s of the node or the gatewa y from wh ich th e ac ce ss serv er was la st load ed . Some acce ss ser v ers d i s play al l zer oes if a do w nline lo ad occurs us ing BOOTP and TFTP.
Manag ing the Acce ss Server 17-21 Displaying Information Abo ut th e Access Server Selftest St atus (cont inued) Each num ber represe nts a b it map i n wh ich a bi t set indica tes a proble m with the p ort.
Displaying Informa ti on About the Ac cess Server 17-22 Managi ng the Ac cess Ser ver Display ing Access S erve r Summary Infor m ation The LIST /S H OW/ MO NITO R S ER VER S UM MA RY com ma nd disp lay s th e ac ce ss server groups y ou defi ne d.
Manag ing the Acce ss Server 17-23 Displaying Information Abo ut th e Access Server Example: SHOW SERVER SUMMARY Display The followi ng example shows how to gen erate an access s e rver su m mary dis play: Loca l> SH OW S ER VE R SU MM ARY Net work Ac cess SW Vx.
Checking Port Status and Counters 17-24 Managi ng the Ac cess Ser ver Checking P ort Status a nd Counte rs In troduct ion The L IST/MON ITOR/S HO W PORT co m mand di splays i nformation a bout one or more ports on the access serve r. You can obtain chara cteristi cs, counter, statu s , and summary dis plays for ports .
Manag ing the Acce ss Server 17-25 Checking Port Sta tus and Counters Example: SHOW PORT C HARACTERISTICS Display The followi ng example shows how to gen erate a port chara cteristic s display: Loca l.
Checking Port Status and Counters 17-26 Managi ng the Ac cess Ser ver Example: SH OW P ORT C OUNTE RS Display The followi ng example shows how to gen erate a port counte rs displa y: Loca l> SH OW .
Manag ing the Acce ss Server 17-27 Checking Port Sta tus and Counters Di spl a yin g P or t St a tus The SHOW/MONITOR PORT STATUS command di s play s in form ation about th e opera tional cond ition of the sele cted port.
Checking Port Status and Counters 17-28 Managi ng the Ac cess Ser ver Acces s Current set ti ng of the ACCESS port chara cteristic . Ac cess d eter m ines how a p or t can acce ss a se rvic e nod e or how a port can be acce sse d by other int eractive users and s ervice node s.
Manag ing the Acce ss Server 17-29 Checking Port Sta tus and Counters Di sp la yi n g P or t Su mm a ry The LIST/MONITOR/S HO W PORT SUMMARY com m and dis plays one line of gene ra l i nformation fo r each s elected port. The port s ummary di s play i s useful for obta ining informati on about how the ports a re being used .
Checking Port Status and Counters 17-30 Managi ng the Ac cess Ser ver SHOW/LIST/MONITOR PORT SUMM ARY Display Fields The fol lowing table de scribes the inform a tion un der the headings in the SHOW/LIST/ MO NI TOR P ORT SU MMA RY d ispl ay: Heading D escription Port Numb er n of th e port .
Conf iguring and Mana ging 3270 Terminal Emulati on (TN3270) 18-1 Chap ter 18 Configuring and Managing 3 270 Termina l Emulation (TN327 0) Over view In troduct ion This ch apter explains how to c onf igur e and manage the 3270 Termin a l Emulat or (TN3270 ) software for the access server.
Supported A SCI I Termina ls 18-2 Confi gur ing and Managing 3270 Te rmi nal Emulation (TN3270 ) Supporte d ASC II Termi na ls De fin iti o n TN3270 suppo rts the follo w ing model s of DIGITAL ASCII .
Confi guring and Managin g 3270 Ter m inal Em ulati on (TN3 270) 18-3 Definition and Description of a Keyboard Map Definition a nd De scription of a K eyboar d Map 3278 Key boards Bec aus e the IBM 3278 ke yboa rd differs grea tly from thos e on ASCII te rm i nal s, TN3270 provides keyboard m aps.
Configuring Basic 3270 Term ina l Emulation 18-4 Confi gur ing and Managing 3270 Te rmi nal Emulation (TN3270 ) Conf i guring Basi c 3270 Termin al Emulati o n Once th e IBM system adm ini strator ha s c onfi gured the IBM host wit h T CP/IP , you nee d to do th e fo ll o w in g : 1 Set up the ASCII term ina l.
Confi guring and Managin g 3270 Ter m inal Em ulati on (TN3 270) 18-5 Configuring B asic 3270 T erminal Em ulation Term inal Set up Pa rame te rs The followin g table pro vides inf ormation o n term i.
IBM Host Communications 18-6 Confi gur ing and Managing 3270 Te rmi nal Emulation (TN3270 ) IBM Host Comm u nicat ions In troduct ion This secti on desc ribe s I BM ho st com munic ation s with a te rmina l atta ched to t he acce ss serve r.
Confi guring and Managin g 3270 Ter m inal Em ulati on (TN3 270) 18-7 IBM H ost Com munications The sta tus line is rest ored when: • You us e the STATUS fun ction. • Yo u se nd da ta t o t he ho st . • The IB M ap pl ic atio n c lea rs the scr een .
IBM Host Communications 18-8 Confi gur ing and Managing 3270 Te rmi nal Emulation (TN3270 ) Sta tus Lin e Indi cator D isplay The foll owin g figure sho ws the posit ion of the stat us line indi c ato.
Confi guring and Managin g 3270 Ter m inal Em ulati on (TN3 270) 18-9 Displaying a nd C ustomizing K eyboard Maps Disp layi n g an d Customiz ing Keybo ard Maps In troduct ion Althou gh the defa ul t TN3270 ke yboa rd maps are sufficient for most us er s , s ome may want to customiz e keyboa rd maps for spe cific applic ation s.
Displaying a nd Cu stomizing K eyboard M aps 18-10 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) Default Server-Wi de Term inal Type and K eyboard Maps The fol lowing t a ble shows t.
Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 11 Displaying a nd C ustomizing K eyboard Maps Loca l> CH ANGE T N3 270 TE RMINA L PC _100 _D CA KE YM AP NEW _K EYS You can carry out a simila r proces s for termina l devices th at use the VT220 keyboar d map —th e other defa ult map.
Displaying a nd Cu stomizing K eyboard M aps 18-12 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) Selecting a Server-Wi de Ter minal T ype and K eyboard Map for a P ort A port use r w.
Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 13 Displaying a nd C ustomizing K eyboard Maps Selec ting and Cu stomiz ing Keyboar d Maps fo r a Port Server -wide keymapping is the recommende d method for cust om izi ng users’ TN3270 keymapp ing a ssi gnments.
Displaying a nd Cu stomizing K eyboard M aps 18-14 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) You can li st the default s with thi s c omman d: Local> SHOW TN3270 KEYMAP "KEYMAPNAME" The defau lts are shown in the Defau lt S er ver-Wide Terminal Type and Keyboa rd Maps and the Keyboard Ma p a nd Terminal Type .
Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 15 Displaying a nd C ustomizing K eyboard Maps Example : SH OW PORT TN3270 KEYMAP Command The following example shows a par tial di sp.
ASCII-to-EBCDIC and EBCDIC-to-ASCII Translation Tabl es 18-16 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) ASCII-to-EBCDIC and EBCDIC-to-ASCII Translation Tables Comman d s The foll.
Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 17 Guidel ines for Managing the Use of NVRAM for TN327 0 Guid el ines for Man aging the Use of NVRAM for TN 3270 In troduct ion Ther e is a pool of approxi m ately 2.
Guidelines for Manag ing the Use of NVRAM for TN3270 18-18 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) Limiting NVRAM Usage To l imit the num ber of NVRAM key board maps t hat th e.
Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 19 Command s to M anage T N3270 Terminal Emula ti on Commands to Manage TN3270 Termi na l Emulat ion In troduct ion This sectio n summari zes t he comm a nds to manage 3270 em ulation.
Comman ds to M ana ge TN327 0 T erminal E mulation 18-20 Conf i guring and Managi ng 327 0 Terminal Emulatio n (TN327 0) TN3270 Port Char acter istics The following table p rovides informati on on p o.
Config uring and Managing 3270 Termi nal Emul at ion (TN3270) 18- 21 Command s to M anage T N3270 Terminal Emula ti on SHOW Commands The following table p rovides informati on on t he SHOW Command s for port ch arac teris tics: SHOW Displ ays PORT T N3270 KEYMAP The TN3270 keyboard m ap for a specif ied port.
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Conf iguring and Mana ging Po i nt-to- Point Pr ot ocol ( PPP) Ports 19-1 Chap ter 19 Configuring and Managing Point-to-Point Pr oto co l (P PP ) Por ts Over view In troduct ion This ch apter explains how to c onf igur e and manage acces s serve r ports for use with PCs and compu ters a cting as Point-to-P oint Protocol (PPP) hosts.
Enab l ing PPP on an Acc es s Serv er Port 19-2 Configur ing and Managing Poi nt-to-Point Prot ocol (PPP) Ports Ena b li ng PPP on an Ac cess Serv er Port In troduct ion To check if PPP i s enable d on a g iven port, u s e the SHOW PORT command.
Confi gur ing and Managin g Point-to- Point Pr ot ocol (PPP) Ports 19 -3 Enabl ing PPP on a n Acces s Server P ort Ena bling Dedicat ed PPP Tr affic The followi ng example shows a s eri es of comma nds used to dedicat e a port to PPP.
Establishing and E nding a PPP Se ssion 19-4 Configur ing and Managing Poi nt-to-Point Prot ocol (PPP) Ports Establi shing and Endi ng a PPP Session Using the CONNECT PPP Command If PPP is configured .
Confi gur ing and Managin g Point-to- Point Pr ot ocol (PPP) Ports 19 -5 Displaying PPP Charac teri stics Disp laying PPP Char acteris tics In troduct ion This s ectio n d es cribe s th e command s used to d is play cha r acteris tic s for LCP, IPCP , and ATCP.
Disp l aying PPP Charac teristi c s 19-6 Configur ing and Managing Poi nt-to-Point Prot ocol (PPP) Ports Fiel ds in th e LC P Ch ar act e ri st ic s Displ a y The following table expl ains t he field s in t he LCP charact eris tics d i splay. Field Description Values Default LCP Indic ates if LCP is ena bled .
Confi gur ing and Managin g Point-to- Point Pr ot ocol (PPP) Ports 19 -7 Displaying PPP Charac teri stics Display in g IPCP Characterist ics The SHOW/LIST/MONITOR PP P IPCP CHARACT ERISTICS command displays the IPCP configura tion for a given port.
Disp l aying PPP Charac teristi c s 19-8 Configur ing and Managing Poi nt-to-Point Prot ocol (PPP) Ports Example : I PCP Characte r i s tics Displa y The followi ng example shows a s am ple IPCP chara cteristi cs d is play.
Confi gur ing and Managin g Point-to- Point Pr ot ocol (PPP) Ports 19 -9 Displaying PPP Charac teri stics Max T erminate The numbe r of t i mes tha t LCP se n ds a ter m i nate- requ est pa cke t to th e peer withou t recei ving an ackn owledgment.
Disp l aying PPP Charac teristi c s 19-10 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports ATCP Char acteristics The SHOW/LIST/MONITOR PPP AT CP CHARACTERISTICS command displays the AT CP c onfiguratio n for a given port.
Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-11 Displaying PPP Charac teri stics 1. This field has a fixed value in thi s software relea s e. Max T erminat e The numbe r of times that AT CP sends a terminate -request packe t to the pee r with out receivi ng an acknowledg m ent.
Disp l aying PPP Stat us 19-12 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Disp laying PPP S tatus In troduct ion This secti on desc ribes how to display the PPP LCP and IPCP status. Di spl a yin g L CP St at us Use the SHO W PO RT n L CP STATUS c ommand to displ ay LC P characteristics.
Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-13 Displaying PPP Status Fiel d s in th e LC P S tat u s D is p la y The followi ng table des cri bes the fields in th e LC P sta tus display: Field Description State The L CP stat e as de fine d in RF C 1331.
Disp l aying PPP Stat us 19-14 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Display in g IPCP Status Use the SHOW POR T n PPP IPCP STATUS command to displa y IP CP sta tus . Thi s comm an d s how s the act ual st ate of the IP CP im plem en tat ion in th e acce ss s erv er.
Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-15 Displaying PPP Status Fields in the IPCP Status Display The following table expl ains t he field s in t he IPCP status displa y: Field Description State The IP CP stat e as d efined i n RFC 1331 .
Disp l aying PPP Stat us 19-16 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Display in g ATCP Status Use the SHOW P ORT n PPP ATCP STATUS comm and to display ATCP status . The Thi s c omma n d sh ows t h e ac tua l state of th e A TC P im plem ent atio n i n t he acc es s se rver .
Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-17 Displaying PPP Status Fiel d s in t he A TC P S tat us D i spla y The followi ng table expl ai ns the field s in th e ATCP s ta tus displ a y: Field Des cri ption State The ATCP state as de fined in RFC 1331.
Disp l aying PPP Count er s 19-18 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Displ aying PP P Counters In troduct ion The sect ion describ es PPP counte rs. Di spl a yin g L CP Co un ter s Use the SHOW POR T n LCP COUNT ERS command to displa y L CP counters for a port.
Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-19 Displaying PPP Counters Fiel d s in t he LC P Co un te rs Di spl ay The followi ng table descri bes the fields in the LCP counte .
Disp l aying PPP Count er s 19-20 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Display in g IPCP Counters Use the SHOW PORT n IPCP c ommand to dis play the IPCP cou nters for a po rt. This com mand req uires no privi leges. The dis play shows al l the counte rs rele va nt to IPCP pr otoc ol operatio n.
Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-21 Displaying PPP Counters Example: Command to Display the IPCP Counters The followi ng example shows how to dis play the IPCP count.
Disp l aying PPP Count er s 19-22 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Display ing ATCP Count ers Use the SHOW POR T n ATCP Counte rs comman d to displ ay AT CP counte rs for a port. Thi s command requ ires no privi le g e s.
Config uri ng and Managing Point-t o-Point Protoc ol (PPP) Ports 19-23 Displaying PPP Counters Example: Command to Display the ATCP Counters The followi ng example shows how to dis play the ATCP count.
Disp l aying PPP Count er s 19-24 Configuri ng and Managing Point-t o-Point Protoc ol (PPP) Ports Naks i n T h e numbe r of ATCP c onfigure-na ks receiv ed from t he peer . Naks out The number of ATCP conf igure- naks sent to the peer fr om the acce ss server.
Managing IPX 20-1 Chap ter 20 Managing IPX Over view In troduct ion This ch a pter de scrib es h ow to conf igure and manage IPX on an access serv er. In This Ch apter This chapt e r co ntains the fo .
IPX D es cript i o n 20-2 Managi ng IPX IPX D e scr ipt ion In troduct ion The purpo se of IP X is to allow N ovel l NetWare c li ents to dial in to (or dire c tly a ttach to) the netwo rk access s erver via asynch ronous lines . Each remot ely connect e d Novell cli ent l ooks a nd act s as if it was dire ctly connecte d to the LAN.
Managing I PX 20-3 IPX D escri p tion Login Pr oc ed u res One or more seria l ports of the access serv e r can be configu red for Novell dial -up access .
Getting Started 20-4 Managi ng IPX Getting St arted Checkli st The foll owing is a chec klist for usin g this cha pter to perfor m the ba sic steps to perfo rm rem ote node acce s s to a Novel l ne twork thro ugh a network acces s ser ve r: Ste p A ct ion 1 Determine your ha rdware/software requirements (Hard ware and Software Requi rement s).
Managing I PX 20-5 Hardware and Software Requirements Hardware and Softw are Requir ements In troduct ion This s e ctio n descr ibes the har dware and softwa re nece ssary to run IPX. Ther e mus t be at lea s t one Net Ware filese rver version 3. xx or gre at er on the ne twork .
Setting Up Your P C 20-6 Managi ng IPX Set ting U p You r P C PC Rem o te Acces s Software Ensure you know whether the netwo rk a ccess s erver port you ar e dia ling i n to re quir es you t o e nter a log in password o r l ogs di rectl y in to the l ocal us er inte rface .
Managing I PX 20-7 Setting Up the Network Access Server Setti ng Up t h e Net work Access Serv er Enablin g IPX By default, IPX is not enabl ed on the acc e ss server .
Setti n g Up the Network Access Se rve r 20-8 Managi ng IPX can be configure d e ithe r CTS (CTS-DSR-RTS-DTR) or RI (RI-DC D-DSRS- DTR). Bas ed on c onfi guratio n, correc t ada pter m ust b e chos en (s ee App endix A). Curren t high-speed mode m s (>9600 ba ud) typi cally use CTS.
Managing I PX 20-9 Setting Up the Network Access Server Co nfigu ring t he Port Dedica ted to PPP Fol lowi ng modem connection , the PC user will lo g in with or without pass word auth entic a t i on. Th en, PPP wi ll automa tically be a c tiva ted to pa ss IPX ne twork pac kets.
Setti n g Up the Network Access Se rve r 20-10 Managing IPX Dis abling P PP/PA P P assw ord Aut hen ticat ion To disabl e the o ptional PPP/PAP pass word authen tication, use t he followin g comm an d.
Managing IPX 20- 11 Summ ary of DECserver IPX Manageme nt Commands Summa ry of DECserver IP X Manageme n t Comman d s The fol lowing a re t he networ k access s erver c omm ands you can u s e t o manag e IPX. Port PPP IP X Comma n ds f or LCP The follow ing table explains the PORT PPP IPX c omman ds for LCP .
Summary of DECserver IPX Management Commands 20-12 Managing IPX Port PPP IP X Comma n ds f or IPXCP The follow ing table explains the PORT PPP IPX c omman ds for IPXCP: Port PPP C omm and s for PP P N.
Managing IPX 20- 13 Summ ary of DECserver IPX Manageme nt Commands Ser ver IPX Comman ds The fol lowing table d e fines the serve r IPX comm ands: STATUS Displa y the value s of the PPP counters and ch arac teris tics. SHOW/ LIS T/MO NIT OR IPX Descrip tion CHARACTERISTICS Display the current values for the ch arac teris tics.
Summary of DECserver IPX Management Commands 20-14 Managing IPX SAP802 IEEE 802. 2 st and ard. SNAP802 IEEE 802.2 with S NAP SAP format. CHANGE/SET/DEFINE IPX FRAME fram etype NE TWO RK Description ipx -n et Specify expl icit inte rnal network number .
Managing IPX 20- 15 Modem Considerati ons Modem Consid er ations Dia l-In Mo dems Keep t he followin g in mind when using dia l -in mo de ms at tached t o the network access serve r: • Fl ow contro l f or t he dia l-i n mode m and the a ccess s erver port mus t ma tch.
Modem Considerations 20-16 Managing IPX Recommended Serial Port Baud Rate The followi ng table lis ts guideline s for setti ng the seria l port baud ra te : UART Type Maximum Modem Speed Maximum Recom.
Managing IPX 20- 17 Nov el l C li ent /S er ve r O per at i on Novel l Clie nt/Ser ver Op eration Est ablishing Rem o te Nod e Access Co nnecti on to Novell Network Vendors o f P C remote node a ccess.
Novell Client/Server Operat ion 20-18 Managing IPX • Use D OS ba tc h f i les wi th al l th e c omm a nds n ec es sary t o l oad a nd ac ti vat e the remote node acces s soft ware and Nove ll software for es tab lishing an IPX conne c tion . Refer to th e remot e node acc e ss sof tware inst a llat ion guide for addi tional i nformation .
Managing IPX 20- 19 Operational Checko ut and Diagnosis Op er ati on al C hec ko ut and Di agn os is Ver i fyi ng Co nf igu ra tio n To verif y proper c onfigurati on, at a acce ss server m ana ge ment p ort, ty pe SHOW IPX at th e lo ca l u s er in t er f ac e p ro m pt : • At l east one L AN fra m e should have a correspondin g netwo rk number.
Disabling IPX 20-20 Managing IPX Disab l ing IPX Using the DE FINE Command If you de cide yo u no longe r need IPX support, you can disable IPX by us ing t he follo wing privil eged command: Loca l> DE FINE I PX DIS AB LED Rein itial ize the access s erver to hav e this comma nd take effe ct.
Managing IPX 20- 21 Fram e Ty pes Fram e Types In troduct ion To support a broad base of ne twork stati ons, the acces s server suppo rts four differe nt fr ame format s for encaps ulating IPX pack et s on the LAN.
Displ aying IPX Characteri stics 20-22 Managing IPX Disp la ying IPX Cha r acter istics Us in g th e S HO W co mm a nd Use the SHOW IPX CHARACTERISTICS command to display IPX characte ri s tic s , incl uding IPX network and node numbers . The command is nonprivi leged.
Managing IPX 20- 23 Displaying IPX Charac teri stics Inte rnal Network None or up to 8 hex adecimal numbe rs (no lea ding zeroes, 1 to FFF FFFFE). T his entry configures the IPX internal network num be r for the access server .
Displ aying IPX Statu s 20-24 Managing IPX Disp laying IP X Status Using th e SHOW IPX Co mmand Use the SHOW IPX command to displ ay IPX status . Th e comm a nd is nonp rivileged .
Managing IPX 20- 25 D isplaying IPX Counters Disp laying IP X Co unt er s Use the SH OW IPX COUNT ERS comma nd Use the SHOW IPX COUNTERS command to display the IPX count ers .
Displ a yi ng IPX Counters 20-26 Managing IPX IPX Total Packe ts Receive d Total number of da ta pac kets rece ived. IPX Local Trans m its Num ber o f data pac kets t ransm itted, orig ina tin g f rom th e acce ss s erv er. IPX Loc al Re ce iv e s N u mb er of d at a pack e ts r ec ei v ed th at we re de s tined for th e acce s s serv er.
Managing IPX 20- 27 D isplaying IPX Counters RIP/SAP Requests Recei ved Numb er of RIP/SAP request packets re ceiv ed. RIP/ SAP Reques ts Discar de d Numbe r of RI P /SAP re quest p ackets dis c arded . RI P/ SAP Reques t Res ource Errors Number of R IP/SAP r equest packet resource errors.
Displaying IPX Routes 20-28 Managing IPX Disp laying IP X Ro ute s Using the SHOW IPX ROUTES Co mmand Use t he SHOW IPX R O UTES command to dis play IPX Routes .
Managing IPX 20- 29 Rese tting Counters Resetting Coun ters Usi ng the ZER O Comm and Use th e ZERO comm and to res et I PX cou nte rs. ZE R O Comm a nd Opt ion s The followi ng t able conta ins the o.
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M anaging Di al Services 21-1 Chap ter 21 Managing Dia l Services Over view In troduct ion Config uring di a l s ervices i s simil a r in conce pt to conf iguring a LAT serv ice or T el net lis tene r. You define a service with a specif ie d configura tion tha t dicta tes how the user can operate the dia l er.
Dial Services Command Group s 21-2 Managi ng Di a l Ser vic es Dial Servic es Comma n d Gr oups Co mmand G roups To confi gure and mana ge the di al se rvices , use t he S ET/DEFINE/CHANGE DIALE R and SHO W/LIST/MONITOR DIAL E R com m and groups .
Managing Dial Ser vices 21 -3 Checking the Current Server S ettings Check ing th e Current S erver S ettings In troduct ion Before you co nfigure dialer s e rvice s, determine th e current s erve r confi guration. Use the SHOW SERVER command to displa y the server confi guration.
Defining a Dialer Script 21-4 Managi ng Di a l Ser vic es Defining a Dialer Scrip t In troduct ion The firs t step i n configurin g a dial serv ice is crea ting a dia ler script. A dialer s c r i pt te lls the access s erver what text s trings t o use to c ontrol a m odem on a spe ci fic p ort.
Managing Dial Ser vices 21 -5 Defining a Dialer Script Example: Set Dialer Script Name The following exampl e illus trate s how to modify dial er scrip t string s in a dialer script cal led “di c ke.
Assigning the Dialer Script to a P o rt 21-6 Managi ng Di a l Ser vic es Assig ning the Dial er Script to a Port Steps After confi guring the dia l er st rings in a diale r s crip t, assign th e script to a spec ific port.
Managing Dial Ser vices 21 -7 Assigni ng the Dialer Script to a P ort Example: The Show Port Command Display The following example s hows the result ing dis play for the SHOW PORT command. In th is examp le, the p r eferr ed dial er ser vice is CALL_H O ME and th e dial er scri pt nam e is Gene ric_14400.
Assigning the Dialer Script to a P o rt 21-8 Managi ng Di a l Ser vic es Ver ifying D ialer Script Co nfigurat ion Use the SHOW POR T n command to verif y any change s you make to di aler script assi gnments for a port. The cha nge ap pea rs in the Dialer Scri pt field of the displ ay.
Managing Dial Ser vices 21 -9 Defining the Dialer Service Defining the Dialer Service Steps After you de fin e the di aler scrip t and a ssi gn the di aler s cript to a port, def ine the dial er se rvic e. A dial servic e is used to establ is h a dial-back ses sion.
Defining the Dialer Service 21-10 Managing Di al Ser vices Example: Sh ow Di aler, Port Secur ity Enabled In this e xamp le, a user on a por t w ith SECU RIT Y enabled would not ha ve acces s to the STAT US displa y since it might pr ovid e access to unlist ed or sensit ive phone number s and oth e r in form a tion rec eived from the mod em.
Managing Di al Services 21-11 Defining the Dialer Service Loca l> SHOW DIA LE R AT_T RAD ESHO W ST ATUS Dial Se rv ice: A T_TR ADE SH OW - A vai labl e Iden ti fic atio n: D ial-b ac k from t rad e.
Defining the Dialer Service 21-12 Managing Di al Ser vices Display in g Dialer Counters Use th e SHOW DIALER service -name COUNTERS c om mand t o displa y the co unters for a dialer ser v ice.
Managing Di al Services 21-13 Defining the Dialer Service Dialer Servi c e Charac te rist i cs The f oll o w in g tabl e de sc r ibes the dial er serv i ce ch a r ac te ri st ic s: User Account Charac.
Defining the Dialer Service 21-14 Managing Di al Ser vices MODE Command Vari able s The following table e xplains the MODE co m mand va riables: USER NAM E Defin es the user name to be suppli ed to a peer that requires the acce ss ser v er to be aut he nti ca ted .
Managing Di al Services 21-15 Configuring Interactive Dial Reque sts Configurin g I nteractive Dial Re quests Configu r ing for Int er activ e Dial-Back The following example s ets t he a ccess s erve.
Framed Dial Reques ts 21-16 Managing Di al Ser vices Fr amed Dial Req uests In troduct ion Dial -ba ck requ ests can also be queue d from a cli ent tha t c onnec ts to the server usi ng PPP.
Managing Di al Services 21-17 Framed Dial Requests 3 If you enable PPP call-back ne gotiation o n a port, DIGITAL st rongly re commend s th at yo u a lso ena ble s ome sort of a uth entic ation (for ex ampl e PAP or CHAP ) on the po rt.
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Managing Acces s Server Securi ty 22-1 Chap ter 22 Managing Acc ess Serve r Secur ity Over view In troduct ion The DE Cserver Net w ork Access Soft ware (DNAS) supports the fol lowing aut hen tica ti .
Security Type Desc riptions 22-2 Managi ng Access Server Secu rity Securi ty Type De scriptio ns In troduct ion This s ection descr ibes the typ es o f se c uri ty th at the acce s s ser ver suppor ts . Kerbero s Kerberos i s a us er auth entication syste m desi gned for o pen network computi ng envi ronments.
Man agi ng Access Serv er Secur ity 22-3 Security Type Desc riptions The fol lowing oc curs: Si nce the s et of att ribu tes tha t the RADI US auth entic ation hos t sen ds t o the ac ces s se rve r c a n be incomplet e, you c a n se t default realm authoriz ation pa rameters that pr ovid e m issi ng values to compl e te th e a uthori zatio n se t.
Common Terminology Across Se curity Realms 22-4 Managi ng Access Server Secu rity Common Term inol ogy Acr oss Securi ty Real ms In troduct ion This s ection brie fly defines the te rm s that are co m mon to all of the secur ity methods tha t th e ac ce ss ser v e r sup por t s.
Man agi ng Access Serv er Secur ity 22-5 Common Terminology Across Se curity Realms Secu r ity S erver The r em ot e hos t wit h whi ch the ac ce ss ser v er co mm u ni ca t es in ord er to re qu est auth enticat ion cl earance during the log in process.
Managing Kerberos 22-6 Managi ng Access Server Secu rity Managing Kerbe ros In troduct ion This s e ctio n descr ibes Kerbero s sec urity featu r es and ex plains how to configu re and man age t hese fe atur e s on t he acce ss serv er.
Man agi ng Access Serv er Secur ity 22-7 Mana ging K erberos Network Access Server Requirements Before conf iguring securit y-s pe cific parameters, make sure that : • You have entered the correct Int ernet address and subne t mas k. (See the Config uring the Int ern et Address and Subnet Mas k se ct ion in Cha pte r 7.
Managing Kerberos 22-8 Managi ng Access Server Secu rity Example: Defi nition of Kerberos Set t in gs The following example s hows a sample o f the c om mands us ed to change t hese se ttings: Loca l> CHAN GE KER BE ROS DEF AU LT R EA LM f ina nc e.
Man agi ng Access Serv er Secur ity 22-9 Mana ging K erberos Displ aying Ker beros Set tings The followi ng example shows a s am ple dis pla y of Kerberos sett ings: Loca l> s ho w ke rb c hara cte.
Managing Kerberos 22-10 Managing Acce ss Server Securi ty User Au thenti cati on Pr ocedure When the syste m administ rator configure s Kerbe ros securi ty features for a given acces s serve r port , you nee d to ente r a valid user name and passwor d when yo u log on to t he acc e ss se rver.
Mana ging Access Serve r Secur ity 22- 11 Mana ging K erberos Changing a User Name and Pas sword Once the net work manager has set u p the access server, users can c hange t heir own pass w ords o n the master KD C for t he ir re alm.
Managing Kerberos 22-12 Managing Acce ss Server Securi ty Port U se r Au t hen ti ca t i on Co un ter s The followi ng example shows how to dis play the aut he nticatio n count e rs for a gi ven port: Loca l> S HO W PO RT 1 AUT HEN TICA TI ON COU NT ERS Por t 1: j _s mi th Serv er : Fi nanc e_ se rver Cur.
Mana ging Access Serve r Secur ity 22- 13 Managi ng RADIUS Managing RADIUS In troduct ion A RADIUS s erver mus t be ope rational on the network. T he RADIUS s e rver c an incl ude acc ounting ca pa bili ty, but t he RADIUS acco unting can be in a separa te serve r, on a different n ode.
Managing RA DIUS 22-14 Managing Acce ss Server Securi ty Optional S etup for RADIUS You ca n use the comm ands i n the fo llo wing exa mples t o co nfigure a ddi tional securi ty para meters for RADIUS s erv e rs.
Mana ging Access Serve r Secur ity 22- 15 Managi ng RADIUS Example: Defining R ealm Default Authorization Attributes LOCA L> CH ANGE R ADIU S RE ALM J ON AS.
Managing RA DIUS 22-16 Managing Acce ss Server Securi ty User Acc ess to the Ac cess Server The pri mary way t o define a us er’s type of acces s is to use t he RADIUS serv e r a ttri bute call ed “ U ser-S er vic e-Ty pe ”.
Mana ging Access Serve r Secur ity 22- 17 Managi ng RADIUS Additional RADIUS Attributes The tables in thi s secti on conta in li sts of addit ional RADIUS at tri butes that the acces s server supports .
Managing RA DIUS 22-18 Managing Acce ss Server Securi ty Frame d Sessio n Attributes The f oll o w in g tabl e de fin e s th e fra me d sessi on at tri b ut es : Fram ed Session Attributes Definition Framed-P rotocol T ype of framed protocol used for s e ssion .
Mana ging Access Serve r Secur ity 22- 19 Managi ng RADIUS Intera cti ve S essio n Att ribu tes The following table d efines the inte ractive s e ssi on attrib utes: Interactive session attributes Defi n ition Logi n-IP-Host The IP a ddre ss of the h ost syst em wi th which the user i s to be a utomati c all y connect e d.
Managing RA DIUS 22-20 Managing Acce ss Server Securi ty RADIUS General No n -Session Attributes The followi ng table defi nes the RADIUS general non -s es sion attri but es : DIGITAL Vendor -Speci fi.
Mana ging Access Serve r Secur ity 22- 21 Managi ng RADIUS RADIUS Accounting Attr ibutes The followi ng table defi nes the RADIUS accounti ng attribut es: Dial out Number (2) V-Type — 2 for dial out number. V-Le ngt h > = 3 St ring — Any pri ntable ASCII char acters.
Managing RA DIUS 22-22 Managing Acce ss Server Securi ty Optional RAD IUS User Attributes The R A DI US attr ib ut es th a t th e ac ce ss ser ve r su ppo rt s ar e as fol l ows : Not e Other RADIUS a.
Mana ging Access Serve r Secur ity 22- 23 Managin g SecurID Managing SecurI D In troduct ion The Security Dynamics ACE/Server software pe rform s dynamic two-facto r Secur ID au th entic ation.
Managing SecurID 22-24 Managing Acce ss Server Securi ty SecurID Realms SecurI D ser ve rs do not pro vide any authori zation data; ther efore, any aut hori zation informat i on comes from the SecurID realm or the port characteristi c s.
Mana ging Access Serve r Secur ity 22- 25 Managin g SecurID Example: I ncluding the Re alm Name If your r ea lm name has to be in cluded when the acc es s s erve r sends me ssa ges to SecurI D, issue .
Managing SecurID 22-26 Managing Acce ss Server Securi ty Set t ing User P er miss ions Permi ss ions are expli c itly give n by the value in the realm d e fault s. When these are still miss in g, the port configur ation can supply it s sp e cifie d values (for attri butes having a corre sponding re presen ta tio n in t he port).
Mana ging Access Serve r Secur ity 22- 27 Managing Loca l Access S erver Security Mana g ing Local Access Ser ver S ecurit y In troduct ion The tas ks descr ibed in this secti on cover the confi guration of the loca l a cce ss ser ver re alm an d se tup of lo cal us er acco unts .
Determining Security Configuration 22-28 Managing Acce ss Server Securi ty Determ in ing Sec uri ty Config urat ion Display ing RADIU S, SECUR ID, and KERBEROS Characteristics The SHOW {RADIUS | SECURID | KE R BEROS} CHARA CTERISTICS command dis plays all confi gured realm names , a long with any perti nen t configur at i on para m eters.
Mana ging Access Serve r Secur ity 22- 29 Det erm ining S ecurit y C onfig u ratio n Exampl e: Show ing SecurID The following example s hows the result ing dis play for the SHOW SE CURID CHARACTERISTICS command: LOCA L> S HOW SE CURI D Retr an smi t In te rval : 0 0:00: 02 R et ransm it T imeO ut : 00.
Determining Security Configuration 22-30 Managing Acce ss Server Securi ty Example : Displayin g Ke rber os C harac teristi c s The following example s hows the result ing dis play for the SHOW KERBE .
Mana ging Access Serve r Secur ity 22- 31 Det erm ining S ecurit y C onfig u ratio n Sho wing t he Auth enticati on Coun ters This acce ss serv er can displ ay the co u nte r s for al l real m s ( local , RADIUS , KERBE ROS ). Any session auth ent icated by RADIUS att empts to send account ing data to the RADIUS S e rver.
Managing Dial-Up Access Security with AUTOLINK and AU TO LINK Authe ntication 22-32 Managing Acce ss Server Securi ty Managing Dial -Up Access Security with AUTOLINK and AUTOLINK Authentication In troduct ion AU TO LI NK le ts PC cl ie nts l og i n u sin g SL I P,P PP , an d ch ara ct er ce ll te rmi na l m ode .
Mana ging Access Serve r Secur ity 22- 33 Managin g Dial-Up Access Security with AUTOLI NK and AUTO LIN K Authentica tion Enabling AUTOLINK Auth en tication If you want authenti cated l ogins, you must s epar ately c onfigure t he port t o requ ire AUTOLINK AUTHENTICA TION.
Managing Dial-Up Access Security with AUTOLINK and AU TO LINK Authe ntication 22-34 Managing Acce ss Server Securi ty If you us e either the PAP NOUSE RNAME or C H AP NOUSERNAME optio ns with the PORT LCP AUTHENTICAT ION command when you enabl e AUTOLINK aut he n ti ca ti o n , th e lo g i n f ai ls .
Mana ging Access Serve r Secur ity 22- 35 Managin g Dial-Up Access Security with AUTOLI NK and AUTO LIN K Authentica tion Tim eout s The fol lowing are the pro perties of AUTOLINK time outs: • A user has one mi nute to compl ete an interact ive login su c cess fully.
Specifying O ther Sec urity Featu res 22-36 Managing Acce ss Server Securi ty Spe cifying Oth er Securi ty Features In troduct ion This s e ctio n descr ibes variou s securi ty features on int eractive ports.
Mana ging Access Serve r Secur ity 22- 37 Specify ing Other S ecurity F eatures Teln et Requi rement To s et an In ternet ho st as a dedi cated s ervice, the d efault pr otocol m ust be set to TELNET.
Specifying O ther Sec urity Featu res 22-38 Managing Acce ss Server Securi ty Login Pass word Definition Exam pl e The followi ng example shows how to def ine TOTAL as the login pa s sword : Loca l>.
Mana ging Access Serve r Secur ity 22- 39 Specify ing Other S ecurity F eatures Example: Ch anging the Se rver Password Atte mpt Lim it The following example s hows how to change the pa ssword lim i t.
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Acco unting 23-1 Chapter 23 7 Accounting Over view In troduct ion This c hapter de scribes t he network a cce ss s erver acco unting com ponent. T he basis of an a ccountin g facili ty is the l ogging o f even ts relate d to us er acce s s.
Accounting De scription 23-2 Accoun ting Accounting De scr iption In troduct ion The confi guratio n of the acco unting featu re is supported us ing SNMP and the user inte rface. T he ac c ounti ng log it self i s als o acces sible by both m echani s ms.
Account ing 23 - 3 What Ev ents Ar e Logged ? What Events Are Logged? Co ntent s of Lo g Entry Types The followi ng t able shows the f iel ds t hat a re logged in each accou nti ng log e ntr y t ype: .
What Ev ents Ar e Logge d? 23-4 Accoun ting Even t Field Descr iption s The followi ng table descr ibes the fie lds in the accou n ti ng log en tries: Pri vileg e Pass - word Modified XX X X Ma inte -.
Account ing 23 - 5 What Ev ents Ar e Logged ? Port • For s es s ion c o nnec t/disc onne ct events: — Local Ac cess: The port the sessi on connect or dis c o nnec t occu rre d on. If the connect ion is initi ated from a physical port, this field will hav e the physic al port number.
What Ev ents Ar e Logge d? 23-6 Accoun ting Port • Sess ion c onnect/di sconnec t: The protoc ol a ssociate d with the se s sion attempt or di s connec t.
Account ing 23 - 7 What Ev ents Ar e Logged ? Peer The va lue of t his fie ld varie s depe nding on t he prot ocol fie ld, as fo llows: • L A T — L o cal Ac cess: Fo r nondedicate d/preferre d case, wha teve r you type following the CONNECT [ LAT] command.
What Ev ents Ar e Logge d? 23-8 Accoun ting Tx • Sessio n Disco nn ect E vent: The nu mber of bytes of s uc cessf ully tr an smitte d use r dat a on this sessi on at the time of sessio n termin ation. T his fie ld will a lways be zero for MOP remote consol e conne ctions.
Account ing 23 - 9 W hen Events Are Logge d When Even ts Are Log ged In troduct ion This s ectio n d es cribe s whe n each s pecifi c event t ype is logged . Logi n Ev ent s Logi n e vents are logged at the t ime of the succe s sful login (just be f ore the use r gets the Loc al> prompt) .
When Event s Are Logged 23- 1 0 Ac c o un t in g Pass word Modified Events Password modifie d events (Privi lege, Main tenance, Login, R emote) ar e l ogged whene ver th e associ a ted pa ss word i s modifie d with a SE T/DEFINE/CHANGE com mand. A single event is logged for each UI command (only o ne event is l ogged for a CHANGE command).
Accounti ng 23-11 Manag ing A ccoun ting Managing Accounting In troduct ion You can manage the a ccounti ng feature fully by us ing SNMP or the user int erface. You can acces s the acc ount ing lo g i tsel f usi ng bo th mechanism s. This secti on d escri bes the use r int erface commands you ca n use to mana ge the accoun ting feat ure .
Managing Acc ounting 23- 1 2 Ac c o un t in g Chang ing the Acco untin g Thr eshold Use the ACC OUNTING T HRESHOLD command to sp ecify the poi nt i n the buil ding of a log when th e accou nti ng component sends out a thre shold notif ication. Valid valu e s f or the AC COUNTING THRESHOLD vari able a re: • NONE: No noti fication.
Accounti ng 23-13 Manag ing A ccoun ting Display ing Account ing Cha r acter istics Use the SHOW ACCOUNTING CHARACTERISTICS command to display th e curre nt values of the ac cou nting variabl es.
Managing Acc ounting 23- 1 4 Ac c o un t in g Display ing the Acco unting L og Use t he SHOW ACCOUNTING LOG c om mand t o view t he lo g. Example: Displ aying the Accounting L og The following example.
Accounti ng 23-15 Using t he Account ing Con sole Logging F eature Using the Accounting Consol e Logging Fe ature Descri p tion Whe n cons ol e logging is enabled, the accounting comp onen t displays the account ing even ts on the server c onsol e as t hey occur.
Using the Accounting Console Logging Fea ture 23- 1 6 Ac c o un t in g Exa m p l e: Te lne t Remo t e Vi ew of th e A cc ou n t ing Lo g The followi ng example shows the commands necessary to r em ote.
Cable and Adapter Reco mmen dations A-1 Appendix A Cable and Adapter Recomme ndations Cable and Adapter Hard ware Cab le and A dapter Table The followi ng table lis ts the cable and adapte r hardware .
A-2 Cable and Adapter Recommendations Refer e nce Refer to the Site P repara tion Gui de or User’s Guide s hippe d with you r access server hardwa re for furt her inform a tion . To help pla n and ins tall networking s ystems usi ng the DE C OPEN DECc onnect sys tem, ref er to the doc umentati on list ed in t h e pr eface to this manua l.
Gl oss ary - 1 Glossar y acc ess serv er A gen eric na m e for a family of Dig ital E quipment Corporation access s ervers. access server c onfiguratio n database A lo ad hos t databa se that cont ai ns t he D ECn et c har acte rist ics an d t he a cces s se r ver type , the l oad file name, a nd the dump file na me for e ach a ccess se rver.
Gl ossary -2 American Standard Code fo r Information Interchange See ASCI I . AppleTalk An Apple Comput er, Inc., tr ademark for their ne twork protocol s uite.
Gl ossary -3 BO OT P Inte r net B oots trap Protoc ol. Thi s Internet protocol is us e d t o configure the com mun ic ati ons software on a load hos t. BOO TP/ TFTP Serv e r This i s a loa d host tha t u ses the BOOT P and TFTP Int ernet proto cols to c onfigure th e load host and downline load t he softwa re.
Gl ossary -4 CRC Cyc lic R edundanc y Check . A n erro r dete ct ion sc he me in w hich a rec eiv er ch eck s ea ch bloc k of data for e rrors. CTS Clea r To Send. A si gnal sent from the port de vice to the acces s se rver to ind icate tha t the po r t de v ic e is r ea dy to re ce iv e dat a .
Gl ossary -5 dequeue To re m ove t he first ent ry in a que ue and to a ttempt the function for which th e entr y was queue d. DNS Domain Name Sys te m . An In ternet namin g syst e m that m aps, o r tr ansl ates, dom ain names to a ddre sses. See do m ain nam e s.
Gl ossary -6 event lo gging This is a process of recordin g si gnificant occurr enc es on the network. fa ilover LA T . A fail ure-recovery fu nction prov ided by LAT s oft ware. Failove r occurs whe n a use r’s current L AT sess ion is disrupte d by the fa ilu re of the servi ce node.
Gl ossary -7 image See access se rver imag e . ini tia l iz at ion The proc ess of r unning the a c cess server d iagnostic s e lf-test program and , o ptionally, downli ne load ing the ac ces s serv er wit h th e acce ss serv er i mage . Install ation Verificatio n Procedure See IVP .
Gl ossary -8 Inte r net Prot ocol See TCP/IP . IP Inte r n et Pro tocol . Se e TCP/IP . IP d a tagram Internet . A bas ic unit of inf orm ati on tra nsferred over the Inte rne t.
Gl ossary -9 L AT ar chi tectu re A layer ed networking mod e l that iden tifie s LAT communic ations func ti ons, assi gns spe c ific function s to distin c t la yers, and specif ies gener al rules for communicat ion betwe e n LAT node s .
Gloss ary-10 loc al n am e se rv er A name s erver that i s au tho riz ed for th e dom ai n w here t he a cc es s se rv er i s lo ca ted . l o ca l serv ice Network resourc e offe re d by your access serve r. loopback test A acces s serv er asynchro nous port te s t during which data is loope d to the modu le.
Glossa ry-11 name r esolution Internet . Refe rs to the proces s of trans la ting a name into a corre s pondi ng I nte rnet addre ss. The Internet domain name syst e m provid es a m echa ni sm for naming com puters in which programs use remote name server s to resolve comput er names into Inte rne t addre sses for t hose compute rs.
Gloss ary-12 Nonvolati l e Random Ac c ess Memory See NVRAM . NVRAM Nonvo latile Rand om Acces s M emory . This is a RAM th at re ta ins it s m em o ry upo n powe r lo ss.
Glossa ry-13 pr in t s poo ler A progr am that enable s many us ers t o share th e pri nting devi ces of a syste m, su c h as a acce ss s erv er. privileged stat us A port statu s th at can only be set by a use r that knows t he acc e ss se rver pri vilege d pas sword.
Gloss ary-14 remote pr int queue A que ue on a s ervi c e no de. The que ue ho lds c onnect ion reque s ts made from the servi ce node re ques t ing use of a printer (remot e printer) on a access serve r. See ho st-i ni ti ate d reque st . Request To Se nd See RTS .
Glossa ry-15 serv ic e ra tin g A value assigne d to a net work r esourc e by t he s e rvic e node to indicate its relative capabi lit y to acce pt new sessions .
Gloss ary-16 subnet iden tifier This i s the part of the network addres s that is un ique to the subnet . It can be det ermined by logic ally ANDing the Int e rnet ad dress with the subne t m as k.
Glossa ry-17 Ter minal Devic e /S e ss ion Mana ge ment Pr otoc ol See TD/SMP . Ter m inal Se rver Manage r See TSM . terminal session A sing le sessi on on a ac ce ss serv er port that i s opera t ing u nder sess ion manage m ent cont rol. Tim e To Li v e See TTL .
Gloss ary-18 UDP Use r Data gram Protoc ol . A protocol that is th e part of the Internet Protoco l that pr ovides d a tagram servic e . It disti nguishes between m ultip le destin ations on a host, a.
Index-1 Index Symb ols * 4-6 /et c/add_DECse rve r pro cedure 4-2 /e tc /l i s t_ D E Cs er v er pr o c ed u r e 4-2 /et c /r em_DEC s erver procedur e 4-2 >>> 5- 9 Number s 3270 em ula tion .
Index -2 addre ss 8-2 cach e si ze 8-3 ch arac teris tics 8-5 confi guring 8- 2 DDP packets 8- 2 diap laying routes 8-12 dis abling 8-3 dis playing c ounters 8-6 dis playin g statu s 8-10 echo packet .
Index -3 exe cuti ng 3-4 Com m and s CHANGE 1- 6 , 2-3 CLEA R 2-3 CLE AR/PURGE TEL NET LIST ENER 2- 1 1 CONNECT 4-6 , 11-11 DEFINE 1-6 , 2- 3 defi nitions 2-3 DE LETE 4-5 DSV$CONFIGURE 4-4 , 4-6 LIST .
Index -4 man agement 1-3 Dial ba ck 21-1 5 to 21 - 16 Di aler 21-1 dis playin g status 21-10 scrip ts 21- 6 defi ning 21-4 nam es 21- 5 servi ces chan ging 21- 12 ch arac teris tics 21-13 defi ning 21.
Index -5 Last Err or App letal k st atus dis play 8-11 NCP 2-8 No Such Name 8-3 Errors framing 15-7 , 17-25 overru n 17-25 pari ty 17-25 Eth ernet 2-8 , 8-14 , 15-3 , 17-2 , 17-10 count ers data lin k.
Index -6 ch arac teris tic Chang ing the time out period 9-14 SHOW SERVER di splay 2-6 In itial izat ion acce ss s erver 5-1 from Fl as h R AM im age 5-5 spec if y i ng th e so ftw a r e im ag e n a m.
Index -7 netwo rk commun ications 1-3 , 17-2 netwo rks 4-1 , 11-16 , 12 -1 3 , 15 - 11 pr otocol 17-2 count ers 17-10 pr otocols 11-6 servi ce 21-1 se rvic e node 2-8 , 11-10 , 12-1 6 Services lim ite.
Index -8 MO DE com m an d 21-14 MODEM CONTROL 10-3 , 10 -9 to 10-10 , 10-12 , 10- 15 , 10-18 , 12-13 , 13-5 ch arac teris tic 10-7 ena bling 10- 8 Modem si gna ls 10- 1 , 10-3 Access se rver t ype 10-.
Index -9 OUTPUT FLOW CONTROL de vice char acter isti c 9-3 Output Packets 7- 9 P Packet forwardin g 15 - 3 Pac ket s re ceiv e d 15- 14 Packets s ent 15- 14 PAP 20- 8 PARITY De v i c e char a cteri st.
Index -10 Pri vileged passw ord chan ging 2-4 Prompt s 4-4 >>> 5- 9 chan ging 17- 10 ENTER PA SSC ODE> 22-23 Ente r us ername> 11- 34 LOC AL > 2-6 , 4-8 Loca l> 2- 2 SecurID 22- 2.
Index- 11 Respons e Informat ion 6-16 Re sum e Ou tp ut 11-44 Retr ansm it l imit ch arac teris tic 6-15 SHOW SERVER di splay 2-6 RI 10-3 to 10-5 , 10-9 RIN G ch a r ac te rist ic 10-12 RING Ind icato.
Index -12 INTE RNE T TCP KEEP ALI VE TIM ER 7-19 PORT 11- 1 4 POR T ch ar a ct er i st ic s 2-7 Short DDP Errors 8- 7 SHO W com m an d IN TE RN E T CO U N TE RS 7-21 SHOW commands 2- 3 , 8-6 , 8-1 0 A.
Index- 13 Appl eTal k A RP disp lay 8-14 Apple T alk rout es display 8-13 STOP B ITS De v i c e char a cteri stic 9- 3 Subn e t mask 22-7 defa ults 7-4 Subn e ts 15-5 routi ng 7- 1 7 Suspec t Apple T .
Index -14 ULTRIX 4-2 , 22-6 DECnet 2-7 UNIX 22-6 UNIX/OSF 4-2 UNIX/OSF/1 4-2 Unse nt prob es 8-6 Unsent re s p ons e s 8-7 Up Apple T alk rout es display 8-13 Appl eT al k statu s disp l ay 8-11 USE c.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il HP Digital NetRider è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del HP Digital NetRider - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP Digital NetRider imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP Digital NetRider ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP Digital NetRider, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del HP Digital NetRider.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il HP Digital NetRider. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP Digital NetRider insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
