Manuale d’uso / di manutenzione del prodotto J3178A del fabbricante HP
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Insta llati on an d Refere nce Gui de HP J3178A HP AdvanceS tack Switch 208/224 Management M odule YUMAMOD.BK : 0_ymfcvr.fm5 Page 1 Thursday, February 20, 1997 12:54 PM.
YUMAMOD.BK : 0_ymfcvr.fm5 Page 2 Thursday, February 20, 1997 12:54 PM.
HP Ad vance St ack S witc h 208/ 224 Mana geme nt Mo dule Installa tion an d Reference Gu ide YUMAMOD.BK : 0_ymfrnt.fm5 Page i Thursday, February 20, 1997 12:54 PM.
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v Contents 1 Inst al lin g th e Ma nage men t Module Incl ud ed P arts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1- 2 In s t a ll a ti o n S te ps . . . . . . . . . . . . . . . . . . . . . . . . . .
vi SNMP Communi ties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 Tr ap Re ceiver s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 Serial Li nk C onfiguration . . .
vii Tes ting the Switc h an d Managem ent Modul e . . . . . . . . . . . . . . . . . . . . 7- 4 Testing the Switch’s Ports and the Links . . . . . . . . . . . . . . . . . . . . . . . . 7- 5 Rese tting the Switch . . . . . . . . . . . . . . . . . . . .
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1-1 In st al li ng t he M anagem ent Modul e Instal li ng the Manage ment Module 1 Installi ng the Ma nag ement Mo dul e The HP J3178A Adva nceStack Switch 2 08/22 4 Management M odule is instal led in to the front of the HP AdvanceStac k Switch 208T or 224T .
1-2 Ins tal ling the Man ageme nt Mod ule Incl ud ed Par ts Instal li ng the Manage m e nt Module In cluded Pa rts Verify tha t these parts we re inc luded with the product: • Switch 208/ 224 Manag .
1-3 In st al li ng t he M anagem ent Modul e Ins ta llati on St ep s Instal li ng the Manage ment Module Fig ure 1- 2. Re mo ve t he cov e r p lat e 3.
1-4 Ins tal ling the Man ageme nt Mod ule Re moving the Modu le Instal li ng the Manage m e nt Module 5. Tur n on the pow er to the switch by plug ging in the pow er cord. During power-on, the foll owing occurs : If the m odule Fault LE D stays on or fla shes, refer to chapter 7, “ Trouble- shooting” in thi s guide.
2- 1 2 Mana geme nt Mo dule Descr ipt ion Ov erv iew The HP AdvanceSt ack Switch 208/2 24 M anagement Module is install ed in the Manageme nt Slot in the front of eithe r the HP Switc h 208T or HP Switch 224T. The Switch M anagement Module has the physical elements shown in the f igure below.
2-2 Man ageme nt Mod ule D escr ipti on Ov ervi ew Manage ment Module Desc ri pti on • When pres sed w ith the Reset button in a specific pattern, clears any configu r ation changes you may have made thr ough the swit ch console and SNMP management, and r estores the fac to ry default configura tion to the switch and the modu le.
2-3 Mana gemen t M odule Des cript ion Modu le F eat ures Manage ment Module Desc ri pti on Modu le Fea tur e s When you install the Switc h 208/224 Managem ent Module in yo ur Switc h 20 8T or 224T , you get these enhan ced switch capabil iti es: ■ Full-duplex port operatio n .
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3- 1 The Switc h Consol e 3 The Sw it ch Co nsol e Ov erv iew About th e Console In terface. The console interface enables you to reco n- figure the swi tch and to m onitor th e switc h status and pe rformanc e. It consists of a series of man agement s creens access ed t h rough a m enu-driven scree n str ucture that begin s at the Main Menu.
3-2 T he Swit ch Conso le Co nne cti ng a Conso le to th e Swi tch The Switc h Consol e Co nne ct in g a Co ns ole to the Sw itch The Switch 208/ 224 Management Module offe r s t wo methods of access .
3-3 Th e Sw it ch Con sole Con nect ing a Con sol e to the Swit ch The Switc h Consol e Direct Console Connectio n, Using A Serial Cable and a P C Term inal Emulato r or Termin al You can u se ei ther a PC emulati ng a VT-100 termina l (such as the ter minal application included with M icrosoft Wi ndows 3.
3-4 T he Swit ch Conso l e Co nne cting a Conso le to th e Sw i tch The Switc h C onsol e Remo te Conso le Connection Using a Modem and a PC Term inal Emulato r or Termin al Note For remote cons ole management, use a pair of full- duplex, asynchronous (chara cter-m ode) modem s as shown in figure 3-2.
3-5 Th e Sw it ch Consol e Con nect ing a Con sole to the Swit ch The Switc h C onsol e 4. When yo u see this mess age: Waiting for speed s ense. Press enter to continue. Pres s [Enter ] . You wil l then see th e switch co nsole Mai n Menu. S e e “Star ting and En d in g a Co nso le Session ” on page 3-6.
3-6 T he Swit ch Conso l e Star ting and End ing a Cons ol e Sess i on The Switc h C onsol e S tartin g and Ending a Console Sessio n Note This secti o n assumes tha t you have alr eady confi gured an.
3-7 Th e Sw it ch Consol e S tar tin g and En ding a Cons ole Ses sion The Switc h C onsol e Figu re 3-3. The Main Menu F or a des cription of Ma in Menu features, refer to “Main M enu Features” on page 3-8.
3-8 The Switch Console Main Menu Features The Switch Console Main Menu Features The Main Menu (figure 3-3 on page 3-7) gives you access to these console interface features: • Status and Counters: Displays information on the switch, individual ports, the address tables, and Spanning Tree Protocol settings.
3-9 Th e Sw it ch Consol e Sc re en Struc tur e an d N avi gati on The Switc h C onsol e Sc reen S tru ctu re a nd Na vi gat ion Cons ole scree ns in clu de these three el ements: ■ Par ameter fi el.
3-10 T he Swit ch Conso l e Sc re en Struc tur e an d N avi gati on The Switc h C onsol e Ta ble 3 -1. How To N avigat e in the Con sole Tas k: Actio ns: Exe cute an act i on from an “Ac tions -[>.
3- 1 1 Th e Sw it ch Consol e Using Pa ssword Sec urit y The Switc h C onsol e Using Pass word S ecurity Ther e are two levels of conso le acc es s: M an ager and Operat or. For secur it y, you can set a pass word on each of these leve ls. To u se pas sword s ecurity: 1.
3-12 T he Swit ch Conso l e Us in g Pas sw ord Secu rity The Switc h C onsol e Note If there is onl y a M ana ger pass word set (with no Operator pa ssword ), and the Man ager passwor d is not enter ed cor rectly when the console s ession begins , the swi t ch conso le o pe ra tes on the Operato r level .
3- 1 3 Th e Sw it ch Consol e Using Pa ssword Sec urit y The Switc h C onsol e 2. To s et a new p assword : a. Sel ect Set Manager Password or Set Operator Password . You will then be prompted with Enter new password . b. Type a p assword of u p to 16 ch ar act er s and press [Enter] .
3-14 T he Swit ch Conso l e Us in g Pas sw ord Secu rity The Switc h C onsol e To R ecov er fr om a Lo st Ope rat or Pass word: To re cover fr om a lost Operator password , delete al l pas swords as descr ibed above, then r e -enter new passwor d s.
3- 1 5 Th e Sw it ch Consol e Rebo oting the Switch The Switc h C onsol e Reboo ting the Switch Rebooting the switc h t erminat es the current consol e session and perform s a reset o f the opera ting s ystem.
3-16 T he Swit ch Conso l e Re boo ting the Sw i tch The Switc h C onsol e Rebo oti ng To Ac tiva te Conf i gur at ion Chan ges. Config u rat ion ch anges for some par ameters become effec tive as s oon as you save t hem.
3- 1 7 Th e Sw it ch Consol e Adv ance d Commands The Switc h C onsol e Ad va nce d Comm a nds Sel ecting Adva nced Commands from the Main Menu pres ents a command pro mpt fr om which yo u can enter th e f ol low ing system man ageme nt com- man d s: To get a definition of thes e comm ands and their syntax, enter Help at the command prom pt.
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4- 1 Conf igur ing the Switch Fro m the C onsole 4 Co nf igu rin g t he Sw it ch From t he Co nsole Ov ervi ew This chapter pr ovi des an overview of the Switch 208/ 224 Management Module configuration fe atures .
4-2 Co nfigu ring the Switch Fro m t he Con s ole Ov ervi ew Conf iguring the S w i tch From the Cons ole To ge t H e lp o n i n di v id u a l par ame t e r des c r ipt ion s. In all s creens except the Advance d Commands scree n there is a Help option i n the Actions men u .
4-3 Co nf igu ring t he Switch From t he Consol e Con figu rable Feat ur es Conf igur ing the Switch Fro m the C onsole Config urab le Feature s How To Access the Switch Co nfiguration: 1. Be gin at the Ma in Menu and sel ect Configuration and the C onfigur a- tio n menu ap pears as sh o wn i n figur e 4-2.
4-4 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole S ys tem Co nf ig ur ati on This scree n configures ba sic swi tch ma nagement i nforma t ion, inc luding sys- tem identi f i cation information, address a ging, the port LED behavior , and tim e zon e parame te rs : Figu re 4-3.
4-5 Co nf igu ring t he Switch From t he Consol e Con figu rable Feat ur es Conf igur ing the Switch Fro m the C onsole Po rt C onf igur at ion This scr een configu res the oper ating state (e n a bled or disab led) and mode for ea ch p o r t.
4-6 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole IPX S ervice The Switch M anagement M odule, b y default, ha s IPX com muni cation enabled. This al lo w s the switch to be managed from an SNMP network managemen t station in an IPX ne twork.
4-7 Co nf igu ring t he Switch From t he Consol e Con figu rable Feat ur es Conf igur ing the Switch Fro m the C onsole (Op tio na l) H ow To Co nfig ure IPX f or Ma n age men t fr om a R emot e IP X Net w ork. To enable mana gement fr o m a remote IPX netwo rk, you must confi gure the gateway enca p sulat ion ty p e.
4-8 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole Int e rn et (I P) Se rv i c e For managing th e Switch 208/224 from an SNMP net.
4-9 Co nf igu ring t he Switch From t he Consol e Con figu rable Feat ur es Conf igur ing the Switch Fro m the C onsole To ma nua lly con figur e t he sw itch for I P: 1. Fr om th e Co nf iguration sc reen, s elect Internet (IP) Service to di splay the above scree n .
4-10 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole When you reboot the switch with Bootp enabled, it w ill do one of the foll ow ing: ■ Receive a m inimal config uration (IP addres s an d subnet m ask) .
4-11 Configuring the Switc h From the Console Configurable Fe atures Configuring the Switch From the Console An entry in the Bootp table file /etc/bootptab to tell the switch where to obtain a configuration file download would be similar to this entry: switch208224: ht=ether: ha=080009123456: sm=255.
4-12 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole S NMP Co mmun iti es This screen enables you to add, edit, or delete SNMP communities. Use t h is fe atu r e if you expect to manage the Swit ch 208/22 4 from an SNMP manage- ment stati on.
4- 1 3 Co nf igu ring t he Switch From t he Consol e Con figu rable Feat ur es Conf igur ing the Switch Fro m the C onsole Figu re 4-8. The SNMP Co m munit ies Add or Ed it Scree n Note If you cho ose.
4-14 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole Trap Rece ivers This screen enables you to configure up to ten IP and/or IPX management stati ons (tra p rece ivers ) to recei ve SNM P trap packets sent from the s w i t ch .
4- 1 5 Co nf igu ring t he Switch From t he Consol e Con figu rable Feat ur es Conf igur ing the Switch Fro m the C onsole Serial L ink C onfi g urati on Use the s eria l link co n f i guratio n s cre.
4-16 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole Conso le Conf igu rat ion This screen lets you enable or disable inbound Teln et access and control the ty p es of events dis played in the event lo g.
4- 1 7 Co nf igu ring t he Switch From t he Consol e Con figu rable Feat ur es Conf igur ing the Switch Fro m the C onsole Spann ing T ree Config ur atio n Use this scree n to activa te the IEE E 802.1d S panning Tree Protoco l (STP) on the switch a n d to a djust span ning tree parameters , if neces sary.
4-18 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole Figu re 4-12. Ex ample of the STP C onfigurat ion Scr een 5. If the remain in g STP parame ter setti ngs are adequate for your ne twork , go to step 8.
4- 1 9 Co nf igu ring t he Switch From t he Consol e Con figu rable Feat ur es Conf igur ing the Switch Fro m the C onsole Netw or k Mo nit orin g Por t You can d esignate a port for mon itoring traffic on an y one of the othe r ports on the swit ch .
4-20 Co nfigu ring the Switch Fro m t he Con s ole Co nf igura ble Featur es Conf iguring the S w i tch From the Cons ole Figu re 4-14. Ex ample of Select ing a Monit oring Po rt 5. Press the S pace bar or type th e port numbe r to s elect which por t to u se for the mon i tor ing port 6.
4- 2 1 Co nf igu ring t he Switch From t he Consol e Sav in g Confi gur at ions Conf igur ing the Switch Fro m the C onsole Sa vi n g C o nf i g ur at io ns Once you h ave c o mpleted al l your switch confi guration chan ges , it is a good id ea t o save th e confi guratio n in a secur e locati o n.
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5- 1 Monitori ng Switch Operati on From t he C onsole 5 Mon it orin g S wi tch Ope r at ion From t he Co nsole Ov ervi ew Th e Main Men u in the swi tch ’ s console interf ace gives you access to the fol lo w in g sou r ces of re ad -o n ly data fo r hel pin g yo u to monitor, anal yz e, and troubleshoo t switch operation: Ta ble 5 -1.
5-2 Mon itor ing Swit ch Operati on Fr om the Cons ole Stat us a nd Coun ters Men u Moni tori ng S w i tch Operati on From t he Console Sta t us an d C o un t e rs Me nu Select Status and Counters from the M ain Menu to d ispl ay the Status and Counters menu: Figu re 5-1.
5-3 Moni tori ng Swi tch Oper ation From t he Con sole Sta tu s and Co unter s Menu Monitori ng Switch Operati on From t he C onsole Sw itch I nf ormat ion Figu re 5-2.
5-4 Mon itor ing Swit ch Operati on Fr om the Cons ole Stat us a nd Coun ters Men u Moni tori ng S w i tch Operati on From t he Console Po rt S tat us Figu re 5-3.
5-5 Moni tori ng Swi tch Oper ation From t he Con sole Sta tu s and Co unter s Menu Monitori ng Switch Operati on From t he C onsole Po rt Co un te rs Figu re 5-4. Example of Port Count ers This scr een enab les you to determine the traffic patterns fo r each port.
5-6 Mon itor ing Swit ch Operati on Fr om the Cons ole Stat us a nd Coun ters Men u Moni tori ng S w i tch Operati on From t he Console Po rt C oun ter s - Sh ow De tails Figu re 5-5. Example of Po rt Counters - Show Det ai l s This scree n shows you addition al cou nters for the selecte d port.
5-7 Moni tori ng Swi tch Oper ation From t he Con sole Sta tu s and Co unter s Menu Monitori ng Switch Operati on From t he C onsole Addr es s Tab le Figu re 5-6. Example of the Addres s Table This scr een lets yo u easil y determine which switc h port is being use d to access a s p ecific device on the networ k.
5-8 Mon itor ing Swit ch Operati on Fr om the Cons ole Stat us a nd Coun ters Men u Moni tori ng S w i tch Operati on From t he Console Por t Address Tab le This scr een lets you easily determin e whi ch devices are attach ed to the sele cted s witch port by listi ng all of th e MAC add resses detect ed on that port .
5-9 Moni tori ng Swi tch Oper ation From t he Con sole Sta tu s and Co unter s Menu Monitori ng Switch Operati on From t he C onsole Figu re 5-8. Example of a Port Ad dres s Table for a S pecifi c Port In t his exa m p le, se veral MAC addresse s a ccesse d th r ough p ort 1 6 appe ar in the ini tial listi ng.
5-10 Mon itor ing Swit ch Operati on Fr om the Cons ole Stat us a nd Coun ters Men u Moni tori ng S w i tch Operati on From t he Console Sp ann ing T ree (ST P) In for m atio n Use this s cree n to dete r mine cu rrent switc h -lev el STP parameter settings a n d stati stics.
5- 1 1 Moni tori ng Swi tch Oper ation From t he Con sole Sta tu s and Co unter s Menu Monitori ng Switch Operati on From t he C onsole You can use the S how ports action at the bottom of the screen t.
5-12 Mon itor ing Swit ch Operati on Fr om the Cons ole E vent Log Moni tori ng S w i tch Operati on From t he Console Event Lo g The Event Log records operatin g events as singl e-line entries li s ted in chrono- lo gical order .
5- 1 3 Moni tori ng Swi tch Oper ation From t he Con sole Eve nt L og Monitori ng Switch Operati on From t he C onsole Enter ing and Navigati ng in the Ev e nt Log Dis play . To enter the eve nt lo g, select Event Log from the Main M enu. Figu re 5-11.
5-14 Mon itor ing Swit ch Operati on Fr om the Cons ole E vent Log Moni tori ng S w i tch Operati on From t he Console The ev ent log hol d s up to 100 li nes i n chro n ol o gica l order, fr om the old est to the new est. Each line consi sts of one complet e event message.
6- 1 Usi ng SNMP To Monito r and Manage t he Swi tch 6 Using SNM P To Monit o r an d Mana ge t he Swit ch Ov ervi ew You ca n ma nage th e S witc h 20 8/224 tha t has a M anagemen t M odule install ed from a network managem en t stati on.
6-2 Us in g SNMP To M oni tor and Man age the Swi tch SNMP Man agement Fe ature s Usin g SNM P To Mon itor and Manage t he Swi tch SN MP Man a ge men t F ea t ure s SNMP m anagement f eatures provid e.
6-3 Using SNM P To Mon it or a nd M anag e the Swit ch SNMP Co nfigu rati on Proces s Usi ng SNMP To Monito r and Manage t he Swi tch SNM P Config urat ion Proc ess If you are u sing I P, yo u must ei.
6-4 Us in g SNMP To M oni tor and Man age the Swi tch Ad van ced Manageme nt: RMON and EAS E Supp ort Usin g SNM P To Mon itor and Manage t he Swi tch Adv anc ed Mana gem en t: RMON an d EASE Sup port The Management Module s upports RMON (Remote Monitoring) and EASE on all network segments c onnected t o the switch.
7- 1 Troubles hoot ing 7 Trou bleshoo ti ng This chapter des cribes how to tro ubleshoot y our Switch M anag ement Modul e. This chapte r covers thes e topics : ■ checking th e Switc h Managem ent M.
7-2 T roubl esho oting Ch eck i n g the Modul e LEDs Troub leshoot ing Chec king th e Module LEDs The fo l l owin g tab le lists S w itch M anagem en t M odule L ED behavio r sho wi n g error condi tions.
7-3 Troubl eshooti ng Pro blem/S olut ion T able Troubles hoot ing Proble m/S o lut ion Tab l e Use the follo win g tab le to diagn o se the p robl em w i th your Managem en t Module: Ta ble 7 -2.
7-4 T roubl esho oting IP Conf igurat ion Err or s Troub leshoot ing IP Configura tion Err ors If you are us ing IP com munications, m ake sur e your IP configura t ion param- eters are set properly. Use the switch consol e’s IP Configur ation function as descr ibed in chapter 4.
7-5 Troubl eshooti ng Diagno stic T ests Troubles hoot ing Testing t he Swi tch’s P orts and t he Links To test the switch’s ports and the attached network links, follow these procedure s: 1.
7-6 T roubl esho oting Diag nosti c Tes ts Troub leshoot ing • Sel ect IPXping Test . This is a netw ork la yer test tha t you can run o n Novel l NetWar e IPX net w orks. T he swi tch sen ds IP X t est packets to a specified n etwork device. T his work s with de vices that h ave an IPX address a nd are able to resp ond to an IPX test pac ket.
7-7 Troubleshooting Resetting the Sw itch Troubleshooting Resetting the Switch Resetting requires physical access to the Switch Management Module. There are two levels of reset: ■ Hardware reset: Momentarily interrupts switch operation, performs a complete hardwa re self test, clears the switch event log, and reboots the switch.
7-8 Troubleshooting Clearing Passwords on the Switch Console Troubleshooting Clearing Passwords on the Switch Console You can use the Clear button to clear a forgotten console password that was previously configured on the switch. To clear the password, follow these steps: 1.
7-9 Troubl eshooti ng HP Cus to mer Su pport Se rvic es Troubles hoot ing HP Cust omer Su ppo rt Se rvices If you are still having trouble with your s w itch or Sw itch M anagemen t Modul e, Hewlett-P.
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A- 1 Specif icatio ns A Spec if icat ions Physical ( in c ludes bulkhe ad and connector ) : Environm ental: Conn ectors: The R S-232- C co nsole p ort conf orms to V .
A- 2 Sp ecifi cati ons Specif icati ons Safe ty: Com p lie s with IEC 9 50: ( 1991)+A1,A 2/.EN6095 0 I ( 1992) +A1,A2 Acoust ic Noise: No t applicab le Managemen t Protocol s Su ppor ted MI BS Com mun.
A-3 Spe cifi catio ns Specif icatio ns Regul ato ry Statem en ts FCC Sta tement (For U. S.A. Only) Federal C ommu nications Comm ission Ra d io Frequ en cy In ter ference S tate m ent Note: T his equipment has been tes ted and found to comply with the l imits for a Clas s A di gital d evice, pursuan t to Part 15 of the FCC Ru les.
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B- 1 Modem Con figurati on B M ode m Co nf ig urat ion Before in stalli n g the m odems ( one attach ed to the Switch M anagem ent Modul e’s console p o rt and one att ach ed at the use r end t o the termi nal/PC) , configure them by this procedure: 1.
B- 2 Mod em Conf ig urati o n Modem Conf igurati on US Robotics Courier V.FC /V.34 Megahertz XJ2288 PCM C IA card m odem Practical P eriphera ls P M288MT I I V.
C- 1 File Tran sfers C File Tr an sfers Ov ervi ew You c an dow nload new Swi tch M anageme nt Modu le software (ope rating system— OS) and uploa d o r downl oad Sw itch 208/ 224 con f iguration fi les. These features a re useful for acqu iring per iodi c switch software up grades and for stori ng or retrievi ng a s witch configu ration.
C- 2 F il e Trans fers Do w nl oading an Oper atin g System File Tran sfers Us in g TF TP To Down loa d t he OS Fil e Before y ou use thi s proc edure, make sure of the followi ng: ■ The switch is p.
C-3 F il e Transf ers Do wnloadi ng a n Oper atin g Syst em File Tran sfers 2. Pr ess [E] (for E dit ). 3. Wi th t h e Prot ocol f ield hig h l ighted , use the Space bar to select eit her IP or IP X, dependi ng o n the p rotocol in use in your network .
C- 4 F il e Trans fers Do w nl oading an Oper atin g System File Tran sfers Using the SNM P- Base d HP Dow nlo ad M anage r Incl u d ed with your Switch Managem en t Mod ule is the HP Advance S tack Ass istan t CD ROM. I nc lu d ed in th e softw are on t ha t CD is a utili ty called HP Downlo ad Manager.
C-5 F il e Transf ers Do wnloadi ng a n Oper atin g Syst em File Tran sfers Using the Zm ode m to Downl oad the OS Fi le This pr o ced u r e assum es that the follow in g ite m s have been done: ■ The PC i s seriall y conne cted to the Switc h Manageme nt Module Co nsole RS- 232 port.
C- 6 F il e Trans fers T roubl eshoot ing TFTP Do wnload s File Tran sfers Trouble shoo ting TFT P Download s If a TFTP download fail s, the Download OS scree n indi cates the failur e.
C-7 F il e Transf ers Tro ubl es hoot ing TF TP Downloa ds File Tran sfers ■ One or m ore of the Sw itch Mana gement M odule’s IP or IP X con figuration param eters are incor r ect. Try pinging th e ser ver to test the co nnec tivity. ■ For a Unix TFTP se rver, the file perm issions for the OS file do not a llow the file to be copi ed.
C- 8 F il e Trans fers T ran sferri ng Swi tc h Conf i gurati on s File Tran sfers Tr an sf e rr i ng Sw it c h Co nf ig u rat i o ns You can use the foll o wing co mm an d s to trans fer swit ch co n figu r ations between th e switch an d a PC or Unix workstati o n.
C-9 F il e Transf ers T ra nsferri ng Swi tc h Conf i gurat ions File Tran sfers 1. Fr om the Ma in Men u sele ct Advanced Commands 2. At the command pr ompt, execu te one o f the foll owing com mands.
C- 10 F il e Trans fers T ran sferri ng Swi tc h Conf i gurati on s File Tran sfers 3. At the command pr ompt, execu te one o f the foll owing com mands: To upload a con figurat ion to a file on a PC .
D-1 Spanni ng Tree Operat ion D Sp anning T ree Oper ation Span ning T ree Protoc ol (STP) The Switch 208/224 Manage m ent Modul e u s es the IEEE 802.1d S pann ing Tre e Prot o c ol (ST P) to ensu re that only on e path at a time is acti ve be twe en any two nodes on the ne twork.
D-2 Spanning Tree Operation Spanning Tree Protocol (S TP) Spanning Tree Operation Figure D-1. Example of Logical and Redundant Paths Between Two Nodes node A switch A node B switch D switch B switch C.
Index – 3 Index Index A Ac ti ons menu d is pl ayi ng he l p f o r com ma nd s … 4-2 loca t i on on scr een … 3 -9 a c ti ve path, STP … D-1 a ddre ss aging de scrip tion … 2-3 from Sys t em.
4 – Index Index c onsol e RS-232 c onfigurat ion of … 4- 16 de scrip tion … 2-2 c opyr i gh t scr een di splay ing … 3-6 c rash i nform ati on wh en it d is p la ys … 3-6 c ust omer support .
Index – 5 Index Get command for a con figurati on download … C-8 r equi re m ent s for … C-8 H ha rdw ar e reset e ffect on swit ch … 7-7 ho w to p erfor m … 7- 7 Help disp layin g for indi .
6 – Index Index memory a mo unt of … 5-3 mes sage buff er s de fi niti on of … 5 -3 MIB lis t of suppor ted o nes … 6-2, A-2 mode , port c onfigur ing … 4-5 disp lay … 5-4 mode m c onfigur.
Index – 7 Index R reboo t See al so re set SNMP communi ty and tr aps … 6-3 s w it ch, r eas ons to … 3-15 re c o nf ig u r i n g a p ar a m e te r … 3 - 10 redun dant p ath … D-1 s panning .
8 – Index Index sys te m na m e whe n no ne is spec ifie d … 3-17 T Te lnet disa bl e or enab l e … 4 -16 inbou nd … 4-16 ou tbound … 4-16 s tep s to connect to swi tch … 3-6 term ina l m .
YUMAMOD.BK : yumabcvr. fm 5 P a ge 9 Thursday, February 20, 1997 12:54 PM.
Tech n ica l informati on in th is document is subject to change without n otice. © Copyri ght 1997 Hewle tt-Packard Company Pr in ted in USA 3/97 Man u al P art Nu mb er 59 66-5228 *59 66-5228* YUMAMOD.
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 HP J3178A 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 HP J3178A - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso HP HP J3178A imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul HP HP J3178A ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il HP HP J3178A, 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 HP J3178A.
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 HP J3178A. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo HP HP J3178A 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.
