Manuale d’uso / di manutenzione del prodotto 812 del fabbricante 3Com
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h ttp:/ /w ww .3 com. co m/ ® Of fi ceConn ect TM Re mote 812 ADSL Rout er CLI User’ s Guide Rele ase 1.0.
ii 3Com Corpo rat ion 5400 Bay front Plaz a Santa Clar a, Californi a 95052-81 45 Cop yrig ht © 20 00 3Com Cor pora t ion. All ri ght s res e rv ed . No p art of thi s doc ume nt ati on may b e repro.
C ONTE NTS 1 A CCESSING THE C ONF IGURATIO N I NTE RFACE Establishing Communications wi th the Of ficeConn ect Remote 812 1 Loc a l Co n nect io n 1 IBM- PC C om pa tible C omp ut ers 1 Macintosh C om.
Instructions 1 Setu p Script 1 Passw ord Pr otect ion 2 Which portions of the network do you want to config ure? 2 Quick Setup Identification information 2 Quick Setup Manage ment Inform ati on 2 TELN.
Configuring Network Service Information 3 Configuring A TM Information 3 IP R o utin g 4 Enabling IP Routing 5 show i p setting s 6 show i p routing settings 6 Configuring an IP N etwo rk over the LAN.
MAC-Enc apsulat ed Routing 21 Configuring M AC-E ncapsulated Routing 21 Simultane ous Bridgi ng and Rou ting 22 Sys tem Admi nis tr ation 23 Setti ng Date and T ime 23 Setti ng System Identification 2.
Output Filt ers 36 Input Filters v s. Outpu t Filters 36 VC/Rem ote Site Filters 36 Applying Filters Using CLI 36 Applying a Filter to an Interface Using CLI 3 7 Configuring a Filte r for a VC/Remote .
add ip route <ip _net_address> B -3 add ipx networ k <network_nam e> B-3 add ipx r oute <ipx _net_address> B-4 add ipx servic e [servi ce_name] B-4 add ipx _r oute vc <name> B-.
delete user <name> B-11 delete vc <name> B-11 DIAL B -12 dial <vc_name> B-12 DISA BLE B-12 disable bridge network <name> B-12 disable bridge spanning_ tree B -12 disable icmp B.
enabl e snmp authenti cat ion traps B-14 enabl e tel n et escap e B-14 enable user <u ser name> B-15 enabl e vc <vc name> B-15 exi t CLI B-15 HANG UP B-15 hangup interface <i nterface_n.
lis t services B-19 list snmp communities or lis t snm p trap_comm uni ties B-20 list syslog B-20 list tc p conne ctions B-20 lis t tftp clients B-20 list udp l isteners B-20 lis t users B-20 list v c.
set ipx network <network _n ame> B-28 set ip x system B- 29 set network service <ad min _name> B-29 set p pp r eceive_au t hen t i ca tion [NONE | P AP | CHAP | EITHER] B- 30 set pp p echo.
show interface <interfa c e_na me> settings B-41 show i p counte rs B-41 INPU T COUNTERS B-41 OUT PUT CO UNTE RS B-42 show i p setting s B-42 show i p netwo rk <ne twork_na me> settings B-.
show sy ste m B -4 9 show te lnet B-50 show tc p counte rs B-50 TCP COU NTERS B-50 show tc p settings B-50 TCP SE TTINGS B-50 show ud p B-50 INPU T COUNTERS B-50 OUT PUT CO UNTE RS B-50 show user <.
3C OM C OR PORATION L IMITE D W AR RANTY FCC C LASS A V ERIFICAT ION S TATEMENT FCC C LASS B S TATEMENT FCC D ECLARATION OF C ONF ORMI T Y.
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1 A CCESS IN G THE C ONFIG URATION I NTE RFACE This chap ter expla ins how to atta ch to the co nfigurat ion interf ace locally v ia the conso le p ort o r remotel y vi a a T eln et session. Thi s ch apter also i ntroduc e s yo u to the cap abi lities and co nve n tion s associ at ed wi th ma nag em e nt of yo ur Office Co nnect R emot e 812 .
1-2 C HAPTER 1: A CCESSING THE C ONFI GURAT ION I NTERFACE UNIX-Based Comput e rs Kermit , minic om and tip ar e typical terminal emu lation pr ograms for U NIX-b ased com put ers. Depe nd ing on the platf orm y ou’re u sing, y ou may n e ed t o mo dify a con figur ation file f or vt 100 settin gs.
2 CL I C OMMAND C O NVE NTIONS AND T ER MINOLOGY This chap ter descr ib es the command synt ax, conventio ns and termi n olog y used with in the C o mman d Line Inter fac e . Revi ewin g and un de rstandi ng this ch apter is essent ial for yo u to un de rstand subse q ue nt ch a pters.
2-2 C HAPTER 2: CLI C OMMAND C ON VENTION S AND T ERMINOLOGY m ay be a list of option s you must cho ose from. When choo sing an op tion , type the tex t of the optio n exactly . Names or S tr ings “ Dou ble quot ation mar ks ” set of f user -def ined s t rings .
Command Structure 2-3 Conv e n tion s Conv e n tion s Most commands ar e not c ase sen siti ve. As a ru le, o nly <nam e> and [p as swor d] valu es requir e typing the c o rr ect cas e. Co nfig urati on cha nges oc cu r imm ediat ely but a re los t on re bo ot un les s you save the m.
2-4 C HAPTER 2: CLI C OMMAND C ON VENTION S AND T ERMINOLOGY.
3 C ONFIGURATI ON M ET HO DS OfficeC o nne ct R em ote 812 CLI o ffers th ree setup c ho ice s, all o f wh ich are desc ribed in th is sect ion: t he a utom ated, Quick Se tup me thod , t he QuickVC Setup method, and the manua l met hod .
3-2 C HAPTER 3: C ONFIG URAT ION M ETHODS Manu al S et up Instru ctions On c e y o u b ec o me f a mi lia r w ith th e C LI i nt e rfa ce , y ou mi gh t f in d i t more e ffi c ien t to m ana ge t he O fficeCo nnec t R emot e 81 2 man ua lly .
4 Q UI CK S ETUP This chap ter will describ e in detai l the operati ons of th e Q uick Setu p prog ram. It wil l iden tif y the required i nform a tio n, st eps i nv olved, an d sam ple out put sc ripts fr om the exe cution of this pr ogr am .
4-2 C HAPTER 4: Q UICK S ETUP Th e Office Conn ect Re mo te 812 Q uick Set up allows y ou to se tup a si mp le con figur ation for IP , IPX , an d br idging . Ple ase a nswe r th e follow ing quest ions wi th " yes" o r " no" to i ndicat e w hich por ti ons of t he sy ste m yo u wa nt t o co nfi gu r e.
CLI Qui ck Setup Scr i pt 4-3 Alon g wi th a co mm uni ty na m e, yo u c an lim it acc ess to a spec ific m ana geme nt station. "0. 0.0. 0" m eans a ny stat ion. Y ou also nee d to spe cify i f th is com mun ity c a n only read in fo rm ation , or r ea d and wri te informat ion.
4-4 C HAPTER 4: Q UICK S ETUP Y ou ne e d to spe cify t he frami ng for the IP netw or k. I t should be eith er "et he rnet _ ii" or "sn ap". Y ou ca n use the Ro utin g Inf orma tion P rotoco l (RI P) to e xcha nge ro uting infor mat ion w i th ot her routers on the n etw ork .
CLI Qui ck Setup Scr i pt 4-5 The n e twork nu mber i s a no n- zero hex ade cimal nu mber of up to 8 d igits. Y ou ne ed to sp ec i fy th e fra m i ng for the IPX netwo rk. It sho uld be one of t he foll owi n g: “ ethernet_ ii ” , “ snap ” , “ dsa p ” , “ nove ll_80 23.
4-6 C HAPTER 4: Q UICK S ETUP Manage ment I nformat ion: C onso le Login Re quired: yes C onsole L ogin Passwo rd: password SNMP Ma nageme nt: SNM P C omm unit y: public SNM P IP Ad dress: 0.
CLI Qui ck Setup Scr i pt 4-7 Sample Outpu t Display a s Quick S etup E xecut es OCR-DS L> set system name "nam e" OCR-DS L>set system l ocation "vienna " OCR-DS L>set sys.
4-8 C HAPTER 4: Q UICK S ETUP.
5 Q UI CK VC S ETUP This chap ter will describ e in detai l the operati ons of th e O ff iceConnect Remote 812 V C S e tup W iza rd program . It w ill ident ify the required inform ation, steps inv olved, and sa m pl e out put sc ripts f r o m the exec ut io n of t his prog ram .
5-2 C HAPTER 5: Q UICK VC S ETUP Th e Categ or y of Serv ice and ce ll rate pa ra meters only af fec t data tran smi tted from the Offi ceConnec t Remote 812 to the remot e site (ups tream dir ection).
CLI Quic kVC Setup Scr i pt 5-3 The I P c onfig ura tion for V C “ na me ” is n ow c om p l et e . IP Config urat ion (Netwo rk S ervice RF C1483 ) Networ k Add r ess T ransla tion (NA T) allow s a sing le W AN-side IP address to be ‘ shared ’ by mult iple LAN -side dev ices.
5-4 C HAPTER 5: Q UICK VC S ETUP IPX Ro uting (N et work Service PP P) Th e IPX conf igur ation for V C “ name ” is now compl ete. IPX Ro uting (N et work Servic e R FC 148 3) Th e IPX conf igur ation for V C “ name ” is now compl ete.
CLI Quic kVC Setup Scr i pt 5-5 Cat egor y o f Se rvi ce: UBR Peak Cell Rat e: 0 IP: Enab led Local W A N IP Addres s: Learned Rem ote W AN IP A ddress: Lear n ed W AN Interface T ype: Nu m bered Addr.
5-6 C HAPTER 5: Q UICK VC S ETUP.
6 M AN UAL S ETUP This c hapt er d escrib es how t o m anua lly set up the Offic eConn ect Remo te 81 2 for Rout ing or B ridging . Confi gura tion Over vi ew T he f ollow ing steps p rovide an out line to fo llow whe n conf igur ing the OfficeC o nnect R em ote 812 to rout e or br idge to remo te n e twork s.
6-2 C HAPTER 6: M ANUAL S ETUP Remote Site Manage ment Ea c h remote si te tha t yo u wa nt t o conn ect to is ac cesse d throu gh a singl e A T M Vir tu al C ha nnel c onne ction . T o set u p conne ction s ov er t he WAN, a V C (rem ote site ) profile m ust be c r e a ted and edite d.
Rem ote S i te M anage m ent 6- 3 For exampl e, if you wan t to change th e PPP authentic ation p asswor d to testpasswo rd for a prof ile calle d Inte rnet you w ou ld do the follow ing : disa bl e v.
6-4 C HAPTER 6: M ANUAL S ETUP Cur re ntly , th e S VC c apa bility is d isabled in th e Of ficeC on nect Re m ote 812 . A TM Categ o ry of Servi ce parameters specify c haracteris tics ( sometim es called tra ffic s haping p arameters ) for d ata trans m i tted fr om the Of ficeC onnect R em ote 812 to th e re mote si te.
IP Ro uting 6- 5 A forwar ding tab le is maintai ned which speci fies which interf ace to r oute an IP packet ba sed on th e d estin ation IP addr ess. Entrie s in t h e forwar ding tab le are both st atic and dynami c. Stati c entries ar e based on the LAN ’ s and re m ote site's subnet add resses an d user config u red st atic ro utes.
6-6 C HAPTER 6: M ANUAL S ETUP sho w ip se tti ngs show ip ro uting s etti ngs Conf iguri ng an IP Netwo rk over th e LA N T o confi g ur e IP over t he LAN, you need to assi gn an IP network t o the LAN port with th e add i p net wor k com ma n d. E ach net wor k has a netw ork name .
IP Ro uting 6- 7 Conf iguri ng IP f or the Remo te Si te Conne ctio n In o rder t o e n able IP to b e rout ed t o a remot e site, you mu st c onfi gure the followi n g items in the VC pr o file asso ciated with the r em ote site connection.
6-8 C HAPTER 6: M ANUAL S ETUP Th e de fau lt_ro ut e_o ptio n can only be enabl ed in one VC prof ile. A lso, yo u c an co nf igure I P Source Validat ion f o r th e con nect ion. Whe n IP Source V al idation i s enab led, the so urc e addr ess of all IP frames rece ived fr o m the remo te site will be va lidate d.
A ddress Trans lation 6-9 The rou te will appear in the IP rout ing table. Y ou can displ ay all IP ro utes with the list ip rou tes com m an d. T o delete an IP Sta tic r oute, use t h e command: del.
6-10 C HAPTER 6: M ANUAL S ETUP Sta tic N A T po rt m ap pings or th e N A T defa ult ad dress need to be config ur ed when an app licat ion will initia te a TC P o r UDP c onne ction f r om the pub lic net wor k.
DHCP 6- 1 1 Rem embe r t o save y our conf igur ation using the save al l comm and befo re re booting you r Office Con ne ct Re m ote 812 so t hat yo ur ch a nges w ill be wr itt en t o permanent FLASH memor y . Monitoring N A T The N A T co n figur ation is d isplayed when viewi ng the r emote sit e configurat ion using the sho w vc command.
6-12 C HAPTER 6: M ANUAL S ETUP IP Address Pool, Star t and End addres s IP Subnet addr ess mask Lease per iod WINS Serv er addr esses DNS Server ad dres ses The Hostname is th e b as e n ame assig ned to the workstati on . A numeric suf fix is ap pended to the base na m e and i ncreme nte d after each a ssign ment .
DNS 6- 1 3 sh ow dhcp s erve r count ers list d hcp se rver l eas es The DHCP Serv er config u rati on is disp layed with t he show dhc p serv er se tti ngs comm a nd. Conf iguri ng th e DHCP Rel ay The O ff iceConnec t R e mote 812 can relay DHCP reque sts t o up to two R emote Server s.
6-14 C HAPTER 6: M ANUAL S ETUP Confi guri ng DNS T o enable DNS functi onality o n the Of ficeConn ect Remote 81 2 , use th e comm an d: en able dns T o disable DNS functi onality , use t h e co m mand: disa ble dns Y ou can config ure th ree glo b al DNS paramet ers that cont rol th e operati o n of th e D NS prox y .
IPX Ro uting 6- 1 5 add dns serv er <doma in nam e > prim ary_a dd ress <ip ad dress > sec ondary _addr ess <ip address> T o creat e an entry th at will learn addr esses usin g PP P .
6-16 C HAPTER 6: M ANUAL S ETUP Y ou ca n de le te a disa bled n e tw o rk usi n g the co mm an d: delet e ipx ne twork <netw ork nam e> Conf iguri ng IPX fo r Re mote Site Conne ct i o ns In or.
IPX Ro uting 6- 1 7 T o add a Static IPX route over the LAN, use the command: add i px ro ute <i px net wor k a ddr es s> gat e way <ipx net work address> metri c <numb er> ticks <nu mbe r> The r oute will appear i n the IPX rout ing table.
6-18 C HAPTER 6: M ANUAL S ETUP so c ket <hex number > t ype < he x num be r> The servi ce will appear in the IPX Serv ices table. For exampl e: ad d ip x se rvi ce Serv411 ga te wa y 98.
Bridging 6-1 9 set ipx n etwo rk <netw ork name> sap [BOTH | DISABLE | L ISTEN | RESPOND_ONL Y | SEND] Ot he r pe rmut ati ons of t he set ipx netw or k comm a nd ca n b e used t o c onf igure advanced RIP f eatur es and policies. IPX R IP an d SAP can b e e nabl e d or di sable d for ea ch remot e si te co nnec tion .
6-20 C HAPTER 6: M ANUAL S ETUP Rem embe r t o s ave y our co nfi gu rat ion us ing t he save a ll c om m a nd b e fo re rebo oting yo ur Off iceCo nnec t Re mote 81 2 so th at your c hang es w ill be w ritte n to permanent F L ASH memory .
MAC- Encapsula ted Ro uting 6- 2 1 Exce pt fo r en abling Spa nn in g T r ee, most u sers do no t ne ed to ch a nge t he adv anced pa ram e ters fr om their de fa ult settin gs The A gi ng T ime i s the ti me (in se cond s) f or ag ing o ut fo rwarding table info rmation.
6-22 C HAPTER 6: M ANUAL S ETUP then the packets will be encapsulat ed in a bridge d-1483 form at. If th e configur ed servic e is PPP , the packet s will be encapsu lated in BRCP .
Syst em Ad m inist rati on 6- 2 3 Packets r ecei ved fro m the W AN d o not pass t hrou g h the B ridge Fir ewall. Inst ead, pac kets rece ived from th e WAN a r e d e livered to the ro uter or br idging fu ncti on based on t heir enca ps ulation a n d on the stat e of the MA C-E ncap sul ate d R outi ng parame ter in the rem o te site pr ofil e.
6-24 C HAPTER 6: M ANUAL S ETUP T o se t the s e p ara me t e rs u s e th e co m ma n d: set syste m name < name> lo cat ion <loc ation> contac t <co ntact> Th e nam e, lo cat ion, and c ont act can be up to 32 char act ers long.
Intr oduction 6-2 5 delete tftp client <h ost name o r IP add r es s or 0.0. 0.0> Setting Pa sswo rd Pr ot ec tio n The Office Con nect Rem ote 812 provides the capabil ity to passw ord-protect acce ss to the CLI .
6-26 C HAPTER 6: M ANUAL S ETUP Pac ket f ilters co ntrol inter -netw ork dat a transm i ssion b y ac cep ting or rejec ting t he passage of sp ecific packet s thr ough network inter faces bas ed on packet header inform ation.
Offi ceCo nnect Remo t e 812 Filter ing Capabil ities 6- 2 7 Input data - filt er packets as they ent er . Ou t p ut da t a - filter p ackets as th ey exit.
6-28 C HAPTER 6: M ANUAL S ETUP Ge ner i c F i lters G ene ric f ilters a re protocol -indep ende nt a nd a r e s pecified b y b yte a nd o f f set values in a p ac ket. Packets are filter ed by comparin g each pa c ket ’ s off set v alue and byt e informati on with th e valu es that you d efine in th e filter .
Creat ing F ilters Using C ommand Line Interfa ce 6- 2 9 The rema ind er o f the f ilter fi le is p artiti oned into protoco l sectio ns. E a ch prot ocol secti on has a de script ive he ader and con tains t he f ilt er rule s for that protoc ol.
6-30 C HAPTER 6: M ANUAL S ETUP The OR operat ion can be implement ed by suc cessi ve rules. For exampl e, to accept a packet if th e source address is xxx, or the destinat ion address is y yy , the f.
Creat ing F ilters Using C ommand Line Interfa ce 6- 3 1 Ge ne ri c F i lter R u le The syntax for gen eric fi lters is sli ghtly di ff eren t than that f or oth er filter s: <li ne #> < ve r.
6-32 C HAPTER 6: M ANUAL S ETUP IP: 1 ACC EP T sr c- add r = 19 2. 77 .200 .20 3/ 16 ; 999 D EN Y; Th e fo llowing r ule e xamp le reject s IP pa ck ets wit h a so urce ad dress: 14 4.13 3.2 0.1. IP: 1 REJE CT s rc-a ddr = 144. 133. 20 .1; The follo wing rule example all ows for wardin g of only IP pac kets with sour ce ad dress 192 .
Creat ing F ilters Using C ommand Line Interfa ce 6- 3 3 IPX S ourc e and Des tina tion Ne twork F ilt e ri ng Usin g CLI IPX net wo rk numbers m ust be spe cified as an network num b er no gr eater th an 8-dig its in hexa d ecimal for m at. The fol lowing rule ex ample rejec ts IPX pa ckets with a sou rce address: 0 0-03- 42-BF .
6-34 C HAPTER 6: M ANUAL S ETUP IPX SAP Packet Fi ltering Using CLI SAP packets ar e u sed to identify t he services an d addresse s of serve rs attac h ed to the netwo rk. Th e r esponses ar e used t o update a tabl e in th e r outer kn own as the Server I nformatio n T able .
Creat ing F ilters Using C ommand Line Interfa ce 6- 3 5 3 Y ou ca n com me nt a secti on h eade r out by placi ng a # sign befo r e the se c tion header . This is usef ul i f you want t o insert a p laceholder for a prot ocol sec tion yo u will define in the fu ture.
6-36 C HAPTER 6: M ANUAL S ETUP F or mo r e d e ta il s , re fe r to th e n e xt t w o s e ct io ns . A ssigni ng Fil ter s discusses h ow to decid e wh ere to apply a fi lter , and Ap pl yin g Fi lte rs explai ns the appr opriat e C L I c o m m an ds t o u se.
Applyi ng Fi lters Using CL I 6- 3 7 Do not a pp ly a f ilter t o m ore tha n one in ter face o r VC / re mo te s ite profil e. Al so, do not ap p ly an in put and an outp u t fil ter to more th an one Ethern et interfac e.
6-38 C HAPTER 6: M ANUAL S ETUP M anaging Fi lters Usi ng C LI Th is section provid es info rma tion a bou t h ow t o per form filter m ana gement ta sks.
Managing Fil ters Us ing CL I 6- 3 9 Deleti ng a Pac ket Filter Usi ng CLI T o delete a sp ecific pa c ket fil ter , remov ing the filt er file p ermanently from the FLASH memory , use the CLI command.
6-40 C HAPTER 6: M ANUAL S ETUP.
A OFFICECONNECT REMOT E 81 2 SAM PLE CONFIGURA TION This sec tion descr ibes a sa mp le confi guration whi ch illust rates th e followi ng Office C o nnect R emot e 812 AD SL Rou ter fea tures : Address T ranslat io n Internal DHCP Serv er and DNS Prox y .
A-2 A PPENDIX A: OFFICECONNE CT REMOTE 812 SAMPL E CO NFI G URATI ON Gl ob al Co n f ig ura t io n G loba l c onfig uration in cludes s ome o ptiona l “ system ” commands to id entify t h e Offic eConn ect Remot e 812 ’ s name, l oca tion , a nd supp ort cont act .
A-3 When a DNS req u est is rec eived fr o m a local ly attach ed work s tation, the Off iceC onn ect Rem ote 8 12 wi ll searc h the local static tabl e to find an ent ry . If one is no t fou nd, th e requ est wi ll be forwa rde d to a Re mo te DN S S er ver .
A-4 A PPENDIX A: OFFICECONNE CT REMOTE 812 SAMPL E CO NFI G URATI ON set vc Intern et ip enable ip x di sable bri dging disable set vc Intern et networ k_serv ice ppp set vc Intern et se nd _n am e in.
B CLI COMMAN D DESCRIP TION CLI Comman ds ADD Use the ADD co mmand to d efine: net w ork s yo u wi ll conn e ct to hosts you nee d to ac cess SNMP communiti es users wh o wil l d ial o u t, dia l in, access th e n etwo rk, or use the CLI Note th at some par ameter s hav e default v alues.
B-2 A PPENDIX B: CLI COMMAND DESCRIPT ION seco ndar y_ad dres s [ ip_a ddr ess] vc_ nam e [vc _na m e] Adds the IP Addr ess of a r emote DNS Serv er for t he specif ied Domain Nam e to t he D om a in N am e S e rv e r T a b le.
CLI C ommands B-3 add i p network <n etwo rk_n ame > addr ess [ip_ne t_add re ss] frame [E THER NE T_II | SNA P | L OO PBA CK] { inte rfa ce [eth: 1] } { ena bled [y e s] } Adds an IP netwo rk to th e list of IP net wo rks av ailable o ver t he specif ied interfac e.
B-4 A PPENDIX B: CLI COMMAND DESCRIPT ION Adds an IPX netwo rk to the li st of IPX net wo rks avai lable over the speci fied inter face. add ipx route <ipx_net_ address> ga teway [ ipx _host _ad.
CLI C ommands B-5 Below is a p arti al list of th e IPX servi c es avail able: add i px_r oute v c <n ame> i px_ne t [ipx _addr ess ] met ric [h op_coun t] ticks [tic k_n umb er] Adds an IPX ro ute for th e a user over t he W AN.
B-6 A PPENDIX B: CLI COMMAND DESCRIPT ION name [ name] node [i nternal _node _number] so cke t [so cket_ numb er] typ e [s e rvi ce_ typ e] Adds a stat ic IPX servic e (for the W A N) to th e IPX serv ices table. Y ou must s u pply the na m e, in ter n al ipx n etwor k num be r , node nu mber , socket , and t ype of se rvice for thi s servi ce.
CLI C ommands B-7 add nat t c p vc <us er _na me> p riva te_ad d ress [ip _ad dress ] pri vate_po rt [ num ber] publ ic_po rt [ number] Note: T ypica lly , the private and public port numbers a re set to the same valu e. See “Conf ig ur ing Network Address T ranslati on’ in Cha p ter 6 for an example in which they diffe r .
B-8 A PPENDIX B: CLI COMMAND DESCRIPT ION The table b elow shows config urable paramet ers for TE LNET servic es, which ar e specif ied with th e data param eter .
CLI C ommands B-9 Adds to the lis t of communi ty name/IP addr ess pairs that ar e allowed to r eceive SNMP trap s. Y ou can see the li st of auth orized user s w ith the list snmp comm unit ies comm and. add syslog <ip_name_or_ a ddr> loglev e l [logle v el] Adds an IP host to the list of I P hosts that will r eceive syslo g entries.
B-10 A PPENDIX B: CLI COMMAND DESCRIPT ION ARP ar p <ip_name _or_addr> outpu t [out putf ile_n ame] Pri nts th e IP ad dress (a nd Med ia Acce ss C ontrol A dd ress [M AC] i f on a loc ally con ne cted ne tw ork ) of a ne tw ork nod e to a file or th e CLI (d e fault ).
CLI C ommands B-11 status. Be sure to u se the disabl e i p x netw ork co mm and b efore del etin g t he netw ork . delete ipx route <ipx_ne t_addres s > Deletes an IP X route on the in terfa ce you speci fied with the add ipx r oute comm a nd. The list ipx routes comma nd displa ys the current I PX r o ute s.
B-12 A PPENDIX B: CLI COMMAND DESCRIPT ION DIAL dial <vc_ name> G ene ra tes an outgoi ng co nnec tion to th e loca tio n spec ifie d by th e vc name .
CLI C ommands B-13 disable networ k service <s erv ice_ nam e > Disables a netwo rk service, su ch as TELNET or TF TP . If close_ac tive_co nnection’ was sp ecified as TRUE in th e add networ k_service co m mand, then all acti ve connect ions will be clos ed when the ser ver is d i sabled.
B-14 A PPENDIX B: CLI COMMAND DESCRIPT ION en a b le in t e rfa ce <i nter face_ name > Enables th e specif ied interf ace. Enabli ng an interf ace enables it to tr ansmit and receiv e data. Y o u can use list inter faces to see whi ch inter faces are d efined, and whether th ey are cu rre ntly disa b led .
CLI C ommands B-15 By def au l t the esc ap e ch aracter is contr ol-]. A TELNET user can change i t using set escape in the TELNET pr ogram. en able us er <u se r name> Enables a user to establi sh TELNET sess ions for r emote managem en t.
B-16 A PPENDIX B: CLI COMMAND DESCRIPT ION LIST list active interfa ces D ispl ay s the inde x, name, operation al status, and admi n istr ation statu s o f all act ive inter faces. The outp u t is th e same as the lis t inte rface s command, except non-ac tive inte rfa ces are not d isplay ed.
CLI C ommands B-17 l ist fa ci liti es Di spl a ys th e sy s tem fac i li tie s (p ro c es se s ) c u r ren tl y ru n ni ng , pl us t he d ef a u l t lo g level. The log level is th e severit y of error that faci lity will p r oduce syslo g ent ries for .
B-18 A PPENDIX B: CLI COMMAND DESCRIPT ION list i p networks D isplay s all t he IP net wor ks you previou sly de fine d usin g t he add ip network command.
CLI C ommands B-19 Prot - pr otoc ol use d t o fi nd t his se rv ic e: S AP , L OCAL , NLS P , ST A T IC or OTH ER Metric - n umb er of h ops throu gh r o uters t o reach this servi ce list lan i nterfaces Displays the opera tional and adm inistrati ve status ( UP or DOWN), int erface index number and nam e ( eth :1) of all LAN int erfaces.
B-20 A PPENDIX B: CLI COMMAND DESCRIPT ION list snm p co m mu n i t i es or list snmp trap_communitie s Th ese com mand s di splay t he d e fined S N MP com mun iti es, whi ch you pre vi o usly de fined using the add sn mp com muni ty com ma n d. SNMP trap_ communi ties does not list access.
CLI C ommands B-21 VCI - Virtu al Channel Identi fie r Statu s - link status: AC TIVE, INACTIVE or DISABL ED login_re quire d ena bles o r disab les CL I password protectio n. pa ssword The C LI password. It m ust co nsi st of 1 to 8 a lph anum eri c (print abl e) ch aract ers , inclusi ve.
B-22 A PPENDIX B: CLI COMMAND DESCRIPT ION RE SOL VE res o lv e n a m e <IP_host_ nam e> Retu rns a n IP Address f or th e speci fied host na m e by sending it to D NS for resolution. If t he Do main N am e has be en specif ied usi ng the set DN S com ma nd , it will also be r esolved, otherwise you must specify it as part o f the name.
CLI C ommands B-23 idle tim out <minu tes > loc al_pr ompt <stri ng> pr ompt <st ring> Se ts con sol e pa r am e te r s fo r C LI co m m an ds. set da te <d ate > Sets the syst em date, and le aves the time u nchanged. Use sh ow dat e t o se e wh at the c u rr ent sett ings ar e.
B-24 A PPENDIX B: CLI COMMAND DESCRIPT ION max_ho ps < number > Defines th e addr ess and charact eristic s of the sec ondary DHCP Server over the WAN that should r eceive our r elayed DHCP requests.
CLI C ommands B-25 numb e r_retries <n u mbe r> time out <sec onds> Sets the glob al paramet ers for D NS; bot h the loc al DNS hosts ( list DN S host ) and the r emote DN S servers ( list DNS servers ). set fa cility <fac ilit y_n am e > logl ev el [l ev el ] Sets the se v erity r eporti ng level f or a facili ty .
B-26 A PPENDIX B: CLI COMMAND DESCRIPT ION set ip ne twork <name> broa dcas t_alg orit hm [numbe r] reas sem b ly _ma ximu m _size [ num ber ] rip_a uthentic ation [strin g] rip _polic ies_ upda.
CLI C ommands B-27 RIP V2 Rece ive - Cont rol s the recei pt of RIP ve rs ion 2 upd ates . W hen R IP versi on 1 is th e se lec ted routing pro tocol , thi s po licy i s enabled by def aul t, which al lows RIPV1 packet s to be r ece ived.
B-28 A PPENDIX B: CLI COMMAND DESCRIPT ION set ipx network <n etw ork_ name > delay _ti cks [ number] diag nosti cs [DI SABL E | ENABLE ] ma xim um _lear n ing_retries [nu m b er] net bio s [E N.
CLI C ommands B-29 set ip x sy st em p rio rity [ pr io rity le vel ] def a ul t_ga teway [i px_ho st_add] ini tial_ pool_ addr ess [i px_a ddr] pool _membe rs [n umber] Se ts p ara m ete r s fo r d yna m ic I PX n etw o rk s.
B-30 A PPENDIX B: CLI COMMAND DESCRIPT ION set ppp recei ve_au then tica tion [NO N E | P A P | C HAP | EITH ER ] Sets the t ype of inbound au thenticat ion to be used when establis hing PPP connecti o ns. See R FC 1 334 for de tails about CHAP and P AP .
CLI C ommands B-31 from m ana ge rs on th e ne two rk m ust mat ch the lis t, whi ch yo u ca n see usi ng li st sn mp comm u ni tie s . set sy sl o g <I P_ a d d ress > log lev el [ leve l ] Sets the err or r eport ing le v el for s y slog entr ies th at will b e sent to th e specif ied IP ad dr ess .
B-32 A PPENDIX B: CLI COMMAND DESCRIPT ION en d_t ime [ HH:MM :SS ] header _compr essi on [non e | TCP IP] idl e_time out [se conds ] inp ut _filter [filte r_na m e] ip [e nable | d isabl e] ip_r outi.
CLI C ommands B-33 End_t ime This fi eld is th e end ti me for the virtua l cir cui t. The exp ect ed fo rmat is HH:M M:SS. The Seconds fi el d is opt i onal.
B-34 A PPENDIX B: CLI COMMAND DESCRIPT ION set v c <v c_ n am e> atm b t [n umber] cate gory_o f_service [Un specified ( UBR ) | V a riab le (VBR )] pcr [ number] scr [n umber] type [P VC | SV C] vci [num ber] vpi [ number] Sets A TM parame ters fo r VCs.
CLI C ommands B-35 show a tm sta tus Displ ays cur rent stat istics for th e A TM protoc ol ru nning ov er the ADSL W AN inter face. It lists: Cell De lin eatio n - Whether or no t c ell d elineatio n is cu rrentl y achiev ed. ILMI VPI - ILMI Path Id entifi er used for o btaining d yna m ic VC ’ s (Not suppor t ed Offi ceCon ne ct Rem ot e 812 1.
B-36 A PPENDIX B: CLI COMMAND DESCRIPT ION Act ua l N egoti ated Do wnstr eam Ba ud Rate: Ac tual Neg oti ate d Up str eam Bau d Rat e: show a dsl v ersi on Fields : AD SL h ardw are releas e versio n.
CLI C ommands B-37 Last Cl ear ing r e ason : in dic ates wh y the cal l was clear ed. Reaso ns for c lear ing include, line down, PPP ti meout, Authentic ation err or , Network con figuratio n error , and term ina tion initia ted from the l o cal and r em ote side.
B-38 A PPENDIX B: CLI COMMAND DESCRIPT ION Re sp ons es Rec eiv ed from Se rver - nu mb er of respo nses recei ved from the serv er . Re sp on s es Re ce ived w ith Er ror - n u mb er o f res po nse s rec eiv ed t h a t w e re in erro r . show dhcp server counters Disp lay s va rio us c o un te r s fo r th e D HC P Se rv e r .
CLI C ommands B-39 WINS #2 - I P address of the secondar y WINS server t h at the DHCP serve r will ut ilize. show dns counters Dis pla ys variou s co unte rs for DN S.
B-40 A PPENDIX B: CLI COMMAND DESCRIPT ION show icmp counters S how s the Inpu t and O ut put Co unt ers for I CM P . T wo t ypes of IC MP message s - error and q uery me ssag es - are sent to syslo g ho sts. IC MP COU NT ERS IN PU T C OU NT ERS M ess ages - ICMP p acke ts r e c eiv ed.
CLI C ommands B-41 Addr ess Ma sk Repl ies - sum of these mes sages sent show interface <interfa ce_name> counters Disp lays c ount ers fo r t he sp ecifi ed i nterf ace.
B-42 A PPENDIX B: CLI COMMAND DESCRIPT ION Forw arded P ackets - number of packet s forwar ded Bad Pr oto col - num ber of pa cket s receive d wit h bad protoco l Disc ar ded - nu mbe r of pack et s d.
CLI C ommands B-43 IP RIP A uthe ntication Key - te x t s tri ng use d fo r R IPv 2 au t he nt i ca tio n show ipx counters Disp lays count ers for al l IPX networ k activi ty .
B-44 A PPENDIX B: CLI COMMAND DESCRIPT ION show ipx network <n etw ork_ name > settings D isplays pa rame ter setti ngs for t he sp ecified I PX ne twork.
CLI C ommands B-45 show ipx sap set tings co unters Display s inf ormation ab out SAP fo r IPX. show ipx set tings Displa ys settin gs for dyn amic I PX ne tw orks .
B-46 A PPENDIX B: CLI COMMAND DESCRIPT ION show ppp on i nterface <name> counte rs D ispl ays statis tics for PPP runn ing on the spec ified i n terf ace.
CLI C ommands B-47 Remot e MMRU - MRU the local en tity uses wh en sending packet s to rem ote PPP enti ty . Defau lt: 1514 Loc al Endp oint Cl ass - ty pe of addres s used as the id en tifier Loc al .
B-48 A PPENDIX B: CLI COMMAND DESCRIPT ION SETT ING S for P PP LI NK 1 - 5 AUTH EN TICA T IO N Operat ional Status - not opened or o pened Loc al T o Remote Compr ess ion P rot ocol - aut hent ica t i.
CLI C ommands B-49 Get Re ques t PDU s - sum of SNMP Get-Request PDUs accept ed and processed Get N ext Reques t PD Us - sum of SNMP Get-Ne x t PDUs accept ed and processed Set Re quest PDUs - sum of .
B-50 A PPENDIX B: CLI COMMAND DESCRIPT ION show telnet Displays t he status o f th e TELNET esc a p e feat ure (ENA B LED o r D ISAB LED ). It is se t usi ng th e di sab le and enable TELNET esca pe co mman ds. show tcp counte rs Displays sy stem-wide TCP sta tistic s.
TEL N ET Co m man d s B-51 show user <name> settings Dis plays the par am eter s defined for the specified TELNET user . Y o u can use list users t o see w hic h user s are defined . show vc <vc_name> settings Dis p l ay s the p a ra m et e rs d efi n e d fo r t h e sp ec ifi e d V C .
B-52 A PPENDIX B: CLI COMMAND DESCRIPT ION set_e sca p e <s trin g > Allows changin g the TEL N ET escape character f rom ^] t o so m e th in g e l se . C on trol charact ers are specifi ed us ing t h e c arat charac ter f ollowed by a nother characte r .
Comma nd Feat ures B-53 Output Pause The ou tput wi ll pa use whe n the re is more than 24 lines of out pu t. T y pe ‘ mo re ’ (or press CR ) to c ontin ue, o r ‘ quit ’ to sto p. Comm and Kill T o disc onti nue the curr e nt co mmand action , and flush any commands which ha ve been ty ped ah ead , use ^ C (co ntrol-C).
B-54 A PPENDIX B: CLI COMMAND DESCRIPT ION.
lv A Add command 2 addr ess fi ltering , sour ce and de st inati o n 26 Ad d res s T r an s la ti on Overvi ew 9 PAT 1 0 ADSL rese t B -22 Advert isem ent Filt er s 27 Advert isem ent filt er s 27 App.
lvi D data fi l tering, Input and out put 26 Data Fi lt ers 27 Date 23 Defaul ts 7 DHCP Config uration set DHCP mode B-23 set DHCP r el ay server1 B-23 set DHCP r el ay server2 B-24 set DHCP serve r B.
lvii I Input data filte rs 2 7 Int e rfa c e 1, 3 Int e rfac e F ilter s 36 Int e rfac e s disab l e i nterf ace B-12 disab le l ink_t raps interfa ce B-12 ena ble i nterf ace B-1 4 lis t acti ve i nt.
lvii i IP S ourc e and Desti nation P ort F iltering Using CLI 32 IPX Configura tion add ipx net work B-4 delet e ipx netwo rk B-10 disab le i px net work B-12 enable ipx networ k B-1 4 set i px ne tw.
lix O Output dat a fi l ters 27 P Package , what ’ s inclu ded 1 Packet fi lters 26 Passw or d 2, 3 passwor d B-21 Passw ord Pr otection 25 passwor d pr otection 2 Passw ord s add user B-9 set ppp r.
lx ad d sn m p t r ap _ c om mu ni t y B -9 delet e snmp communi t y B-11 delet e snmp trap_ com m uni ty B-11 disab le l ink_t raps interf ace B-12 disab le s ecuri ty_optio n snm p user _acce ss B- .
3C om Co r pora ti on L IMI TED W ARRANTY H AR DWA RE 3Com w arrants its hardw are pr odu cts to be fr ee fro m def ects in workma nship a nd material s, under nor mal u se and ser vice , for the fol .
FCC C LA SS B S TATEMEN T This device comp lies wi th Part 15 of the FC C Rules. Ope ration is subj ect t o the following t wo c onditions : 1 Thi s d evice may not cause harmful interfe rence, and 2 This device must a ccept a ny interfe rence received , includi ng i nterference tha t may ca use unde sired op erati on.
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 3Com 812 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 3Com 812 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso 3Com 812 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul 3Com 812 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il 3Com 812, 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 3Com 812.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il 3Com 812. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo 3Com 812 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.
