HP (Hewlett-Packard) 4100GL manuale d’uso

S w itch 2 600 Ser ies S w itch 2 600-PWR Ser ie s S w itch 2 800 Ser ies S w itch 4100 Se ri es S w itch 6108 Management and Conf igur ation Gui de w w w .hp .com/go/hppr ocurve[...]

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HP ProCurve Switch 2600 Series Switch 2600-PWR Series Switch 2800 Series Switch 4100gl Series Switch 6108 Management and Configuration Guide October 2004[...]

© Copyr i ght 2000-2004 Hewlett-Pa ckar d Development Company , L.P . Th e infor m ation contained herein is subject to chang e with- out notice. Publication Number 5 990-602 3 October 2004 Applicable Products HP Pr oCurve Switc h 2 626 (J4900A) HP Pr oCurve Switc h 2 626-PW R (J8164A) HP Pr oCurve Switc h 2 650 (J4899A) HP Pr oCurve Switc h 2 650[...]

Contents 1 G etting Started Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 About the Feature Descriptions . . . . . . . . . . . . . . . . . . . . . . . . .[...]

3 Using the Menu Interface Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Starting and Ending a Menu Session . . . . . . . . . . . . . . . . . . . . . . [...]

St arti ng an HP Web Browser In terface S e ssi on with the Switch . . . . . . . . 5-4 Using a S t an da lone Web Brow ser in a PC or UNIX Worksta t io n . . . . 5- 4 Using HP ProCurv e Manager (PCM) or HP P r oCurve Man age r P lus (PCM+) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5 Ta[...]

Using Primary and Seco ndary Flash Image Options . . . . . . . . . . . . . . . . . 6-12 Displaying the Current Fla s h Image Data . . . . . . . . . . . . . . . . . . . . . . 6-12 Switch Software Downloa ds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-14 Local Switch Softw a re Replacement and Re moval . . . . . . . . . . . . [...]

Operating Rules for IP Preserve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16 9 T ime Protocols Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

CLI: Viewing Po rt St atu s and Configu r in g Port Parameters . . . . . . . 10-7 Using the CLI To View P o rt Status . . . . . . . . . . . . . . . . . . . . . . . . 10-8 Using the CLI To Configure P o rts . . . . . . . . . . . . . . . . . . . . . . . . 10-10 Usi n g t h e CLI T o Configur e a Broadcast Limit . . . . . . . . . . . . . . 10-11 Confi[...]

11 Power Ove r Et hernet (PoE ) Operation for the Series 2600-PWR Switches Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1 Applicable Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2 Introduction . . . . . . . . . . . . . . . . [...]

Trunk Con fig urati o n Method s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-5 Menu: Viewing and Co nfiguring a Stati c Trunk Group . . . . . . . . . . . 12-10 CLI : Viewing and Configu r in g a Stati c or Dynamic Port Tr un k Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-12 Using the CLI To View [...]

General CDP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-27 Outgoing Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-27 Incoming CDP Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-28 Configuring CDP on the Switch . . . . . . . [...]

Using HP P C M+ to Update Switch Software . . . . . . . . . . . . . . . . . . . A-16 Troubleshooting TFTP Downloads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-17 Transferring Switch Co nfigurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-18 Copyi ng Di agno sti c Da ta to a Rem o te Ho st, P C , o r Unix Wor[...]

VLAN Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-21 Web Browser Interface Status Information . . . . . . . . . . . . . . . . . . . . B-23 Port and Static Trun k M oni to ring Fe atures . . . . . . . . . . . . . . . . . . . . . . . B-24 Switch 6 108 and Serie s 4 100gl Switches . . . . . . . . . . [...]

Diagnostic Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34 Port Auto-Negotiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-34 Ping and Link T e sts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-35 Web: Executing Pin g or Li[...]

1 Getting Started Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 About the Feature Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Getting Starte d Introduction Introduction This Man a gement and Con f iguration Guide is intended to supp ort th e following swi t ches: ■ HP ProCurv e Series 2 600 ■ HP ProCurv e Series 2 600-PWR ■ HP ProCurv e Series 2 800 ■ HP ProCurv e Series 4 100gl ■ HP ProCurv e Switch 6108 Thi s guide describes how to use the command line in terf[...]

Getting Started Conventions Conventions Thi s guide use s the following co nve n ti on s fo r comman d synt ax and displ a yed informa tion. Command Syntax Statements Synt ax: a aa port-ac cess authenticator < port-list > [ control < a u thorized | a u to | unauthorize d >] ■ V e rtical bars ( | ) separate altern ative, mutuall y excl[...]

Getting Starte d Port Identity Con v ention for Examples Screen Simulations Figures contain ing simulat ed scr e en t e xt and command output look like t his: Figure 1-1. Exampl e of a Figu re Showing a Simulated Screen In some cases, brief comman d- outpu t sequences appear outside of a num- bered figure. For example: HPswitch(config)# ip default-[...]

Getting Started Related Publications Advanced T r affi c Management Gui d e. Us e th e Advanced T r affic Man- agement G u ide for informati o n on: ■ VLANs: Stati c port- b ased and p r otocol VL ANs, and dynami c GVRP VLANs ■ Mul t icast tra f fic control (IG M P) ■ Spanning-T ree: 802.1D (STP), 8 02.1w (RSTP), a nd 802.1s (MSTP) ■ Quali [...]

Getting Starte d Getting Documentation From the Web Getting Documentation From the W eb 1. Go to the HP ProCurve websi t e at htt p :// www .hp.com/go / hpprocurve 2. Click on technical supp ort . 3. Click on manual s . 4. Click on the pr oduct for whi ch you w a nt to view or do wnl o ad a manual . 2 3 4 Figure 1-2. Finding Product Manu als o n th[...]

Getting Started Sources for Mo re Information Sources for More Information ■ If y o u need i n formation on specifi c parameters i n the me nu interface, ref er to th e on line help pr ovi d ed in the in terface. For e x ample: Online Help for Menu Figure 1-3. Getting Hel p in the Me nu Inter f ac e ■ If yo u need informati o n on a specif ic c[...]

Getting Starte d Need Only a Quick Start? Need Only a Quick Start? IP Addressing If yo u just want to give th e swi t ch an IP address so that it can co mmunic a te on your net w ork, o r if yo u are not u s ing VLANs, HP recommends that you use th e Sw it ch S e tup screen to qui c kly conf igur e IP addressi ng. T o do so, do one of the follo w i[...]

2 Selecting a Management Interface Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Und ers tanding Management Inte rface s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Advantages of Us ing the Me nu Interface . . . . . . . . . . . . . . . . . . . . . [...]

Selecting a Management Interface Overview Overview Thi s chapter describes the foll owing: ■ Switch manag e ment interface s ■ Advantages of using each interface type Understanding Management Interfaces Management interfaces ena ble you to re configure the switch and to monitor swi t ch status and performance. Interface types i nc l ude: ■ Me[...]

Selecting a M anagement Interface Advantages of Using the Menu Interface T o use HP ProCur ve M a nager or HP Pro C urv e Ma nag er Pl us, refer to the Getting Start e d Guide an d the Administrator ’ s Gui de , whi c h are av aila bl e ele c tronically w i th the software for thes e appl ic ations. For mor e inform at i on, visit th e HP P r oCu[...]

Selecting a Management Interface Advantages of Using the CLI ■ Offers out-of -ba n d a c cess (throug h the RS-232 conne ction) to th e switch, so net w or k b ottlene cks, crashes, l ack of configur ed or correct IP address, and network downti me do not slow or prevent access ■ Enables T eln et (in-band) access to th e menu f unct ion ali ty .[...]

Selecting a M anagement Interface Advantages of Using the HP Web Browser Interface ■ For informati on on indivi du al CLI com m ands, refe r to the Index or to th e online He lp pr ovided i n th e CL I in terface . Advantages of Using the HP W eb Browser Interface Figure 2-3. Exampl e of the HP Web Bro w ser Interfac e ■ Easy access to th e swi[...]

Selecting a Management Interface Advantages of Using HP ProCurve M anager or HP ProCurve Manager Plus ■ Display o f a cce p t able ran g es o f values av aila ble in configu r at i on list b oxes Advantages of Using HP ProCurve Manager or HP ProCurve Manager Plus Y ou can operat e HP ProCurve Manager and HP ProCurve Manager Plus (PCM and P CM+ ) [...]

Selecting a M anagement Interface Advantages of Using HP ProCurve Manager or HP ProCurve Manager Plus PCM and PCM+ ena ble greater control, uptime, and perform anc e i n your network : ■ Featu r es and benef its of HP ProCu r ve Manager: • Network Status Sum m ary: Upon boot-up, a network status screen displays high-level information on ne twor[...]

Selecting a Management Interface Advantages of Using HP ProCurve M anager or HP ProCurve Manager Plus • Device Softw are Updates: This feature automatic a lly obtai n s new devic e software i ma ges from HP and updates devices, al lowing users to do wnload the l a test versi on or ch oo se t he desired v e rsion. Updat es can be scheduled easily [...]

3 Using the Menu Interface Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Starting and Ending a Menu Session . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 How To Start a Menu Interface S e ssion . . . . . . . . . . . . . . . . . . . . . . . . . 3-[...]

Using the Menu Interfa ce Overview Overview Thi s chapter describes the foll owing: ■ Overview of the Menu Interface ■ Starting an d ending a Menu session (page 3-3)) ■ The Mai n Menu (page 3-7 )) ■ Sc re en structure an d na vi gati on (pa ge 3- 9 )) ■ Rebooting the switch (page 3- 12)) The men u interface operat e s t h rough th e switc[...]

Using the Menu Interface Starting and Ending a Menu Session Not e If the switch has neither a Manag er nor an Operator password, anyone having access to the console i n terface can ope r ate the console with full manager privilege s . Also, if you co nfigure only an Operator password, entering the Operator password en ables full manager pri vil ege[...]

Using the Menu Interfa ce Starting and Ending a M enu Session How T o Start a Menu Interface Session In its factory default configurati o n, th e switch consol e starts w i th the CLI prompt. T o use the menu interface w i th Manag e r privile ges, go to the Manager le vel promp t and ent e r t he menu command . 1. Use on e of th ese methods to con[...]

Using the Menu Interface Starting and Ending a Menu Session Figure 3-1. The Main Men u w ith Manage r Pri v ileg es For a de script i on o f Mai n Menu fe atures, s e e “Main Menu Fe atures” on page 3-7 ). Not e T o configure the sw itc h to sta r t with th e menu interface in st ead of the CLI, go to the Manager lev e l pro m pt in the CLI, en[...]

Using the Menu Interfa ce Starting and Ending a M enu Session As ter i sk indicate s a c onfi guration chang e that requir es a reboo t to activate. Figure 3-2. An Asterisk Indicate s a Configuration Chan ge Req u iring a Reboo t 1. In the current session, if you have not made conf iguration changes that require a swi t ch reboot to activ a te , re[...]

Using the Menu Interface Main Menu Features Main Menu Features Figure 3-3. The Main Men u Vi ew with Manager Privi l eg es The Mai n Menu giv e s you access to the se Menu interface features: ■ Sta t us and Counte r s: Pr ovi des a ccess to di splay screens showing switch info rmat i on, po rt status and cou nters , p o rt and VLAN address tabl e[...]

Using the Menu Interfa ce Main Men u Featu r es ■ Comman d Line (CLI): Selec t s the Command Line Interface at the same lev e l (Manager or Operator) that y ou are accessing i n the Menu interface . (See chapter 4, “Using the Co mman d Line I n terf ace ( CLI)” .) ■ Reboot Switch: Performs a “warm” reboot of the swi t ch, whi ch cl ears[...]

Using the Menu Interface Screen Struc t ure and Navig a tion Screen Structure and Navigation Menu interface screens incl ude these three e l ements: ■ Pa ram eter fi elds and/or read -onl y information such as sta t ist i cs ■ Na vi gati on and configur ation ac tion s, suc h as Save , Edi t, and Cancel ■ Help line to describe navigati on opt[...]

Using the Menu Interfa ce Screen Struc t ure and Navig a tion T able 3-1. How T o Navig a te in t he Menu Int e rface T ask: A ction s: Execute an actio n Use either of the following methods: from the “Actions –>” • U se the arrow key s ( [< ] or [>] ) to highlight the ac tion you want to list at the bottom of execute, then press [[...]

Using the Menu Interface Screen Struc t ure and Navig a tion T o get Help on i n dividua l pa rameter descripti o ns. In most screens there is a Help option in the Actions line. Whenever a ny of the items in the Actions line is highlig hted, pre ss [H ] , and a separate help scree n is displayed. For example: Pre s sing [H ] or hi ghli ghting H elp[...]

Using the Menu Interfa ce Rebooting the Switch Rebooting the Switch Rebooting the switch fr om the me nu interface ■ T ermin ates al l current sessions and performs a reset of the operating system ■ Activates a n y menu in terface configuration c han ge s that req uire a reboot ■ Resets statistical counters to zero (Note that statistical co u[...]

Using the Menu Interface Rebooting the Switch Rebooting T o Ac tiv a te Configuration Chang es. Configuration changes for most parameters in the menu inte rface become effectiv e as soon as you save the m . However , you must reboot the swi t ch in orde r to implement a change in the M aximum VLANs to support paramete r . (T o access this parameter[...]

Using the Menu Interfa ce Menu Features List Menu Features List Status and Count ers • G eneral System Information • S witch Management Add r ess I nf o rmatio n • Por t Status • Por t Counters • A ddress T a ble • Por t Address T a bl e • S panning T r ee Informati on Switch Con fig ura t io n • Sys tem Inform ati on • P ort /T r[...]

Using the Menu Interface Whe r e To Go Fro m Here Where T o Go From Here Thi s chapter provide s a n overview of the m e nu interface and ho w to use it . Th e follow in g t abl e i ndi cates where t o tur n for det ailed info rmatio n on how to use the individual features av ai lable th r ough the menu interface. Op tion: Tu rn to: T o use the Run[...]

Using the Menu Interfa ce Where To Go From Here — Th is page is intentionally unuse d. — 3-16[...]

4 Using the Command Line Interface (CLI) Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Accessing the CLI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Using the CLI . . . . . . . . . . . . . . . . . . . . . . . . .[...]

Using the Comman d Line Interface (CLI) Overview Overview The CLI is a text-based command interf ace for configuring an d m o nitoring th e swi t ch. The CLI give s yo u access to the switc h’ s full set of commands whil e pr ovi din g t h e same password pr otecti on th at is used in th e web bro w ser interface an d the menu in terface. Accessi[...]

Using the Comman d Line Interface (CLI) Using th e CLI St artu p Config file in non-vo latile memory . If you reboot the swi t ch wi t hou t first usi ng wr ite memory , a ll changes ma de sinc e the l a st r eb oot or write memo ry (whichever is l ater) will be lost. For more o n switch mem ory and sa ving configuration changes, see Cha p ter 6, ?[...]

Using the Comman d Line Interface (CLI) Using the CLI Caution HP strongly recom m ends that yo u configure a Manager password . If a Man- ager password is no t confi g ured , th en th e M a nag e r leve l is no t passwo r d- pro tec ted, a nd an yo ne h aving in-ban d or o u t -o f- band a ccess to the swi t ch may be able to rea c h the Manag e r [...]

Using the Comman d Line Interface (CLI) Using th e CLI Manager Privileges Manag e r pri v ileges give you three a d ditiona l l eve ls of access: Manager , Global Con fig uration, and Cont ext Conf igur ati on. (See figure .) A " # " ch ar ac ter delimits an y Manager prom pt . Fo r example: HPswitch#_ Example of the Manager prompt . ■ [...]

Using the Comman d Line Interface (CLI) Using the CLI Changing Interfaces. If you change from the CLI to the menu in terfa ce, or the rev e rse, y o u will remai n at the same privi l ege lev e l. For example, en tering th e men u command from the Operator l eve l of the CLI takes yo u to th e Operator privilege lev e l in the menu int e rfa ce. T [...]

Using the Comman d Line Interface (CLI) Using th e CLI How T o Move Between Levels Change in Levels Example of Prompt, Command, and Result Operator level to Manager level Manager level to Global configuration level Global configuration level to a Context configuration level Context configuration level to another Context configuration level Move fro[...]

Using the Comman d Line Interface (CLI) Using the CLI For example, if you use the menu interf ace to c o nfi g ure an IP address of “ X ” fo r VL AN 1 and later use the CLI t o co nfigure a different IP address of “ Y ” for VLAN 1, then “ Y ” replaces “ X ” as the IP address for VLAN 1 in the running - config file. If you subsequent[...]

Using the Comman d Line Interface (CLI) Using th e CLI T y ping ? at the Manage r level produces this listing: W hen - - MORE - - appears, use the Spa ce ba r or [Re t urn] to li st additional commands. Figure 4-4. Exampl e of the Manage r - Level Command Listin g When - - M O RE - - appears, there are more comma nds in the listing. T o list the ne[...]

Using the Comman d Line Interface (CLI) Using the CLI telnet termina l HPswitch(config)# t As mentioned above, if you type part of a command word and press [T ab] , the CLI completes the curre nt wo rd (if you have type d enou gh of the wo rd for the CLI to disti n gui sh it from other possi bilitie s), i n clud ing hyphenated exten- sions. F or ex[...]

Using the Comman d Line Interface (CLI) Using th e CLI Listing Comman d Options. Y ou can use the CLI to remind you of th e options available for a comma nd by en tering command k eyword s fo llowe d by ? . Fo r example, suppose you want to see the command opt i ons fo r conf ig- uri n g port C5 : This example displa y s the co mmand op tions for c[...]

Using the Comman d Line Interface (CLI) Using the CLI Figure 4-6. Exampl e of Con t ext-Sensi tive Comman d -Li s t Help Displaying Help for an Indivi dua l Co mmand. Y ou can display Hel p fo r any comma n d that i s a vailable at the cu rrent c o nte x t l e ve l by ente rin g en ough of the command string to id ent ify the comman d, alon g with [...]

Using the Comman d Line Interface (CLI) Using th e CLI Figure 4-8. Exampl e of Hel p for a Spe c ific Instance of a Command Note tha t trying to list the hel p for an individual command from a pri v ilege lev e l that doe s not includ e that command resul t s in an error messag e . For example, trying to li st t he help for th e in terf ac e comman[...]

Using the Comman d Line Interface (CLI) Using the CLI HPswitch(eth-C5-C8)#? Lists the commands you can use in the port or static HPswitch(eth-C5-C8)#? trunk context, plus the Manage r, Opera to r, and context commands you can execute at this level. In the port c ontext, the first block of commands in the "?" listing show the context-speci[...]

Using the Comman d Line Interface (CLI) Using th e CLI VLAN Con t ext . Includes VLAN-specific command s that apply onl y to the sel e cted VLAN, plus Manager and Op erator commands. The pr omp t fo r this mode i n cludes the VLAN I D of the sel ected VLAN. For example, if you had al rea dy configur ed a VLAN with an ID of 100 in the swi t ch: HPsw[...]

Using the Comman d Line Interface (CLI) CLI Control and Editing CLI Control and Editing Key s trokes Function [Ctrl ] [A ] Jumps to the first character of the command line. [Ctrl ] [B ] or [<] Moves the cursor back one character . [Ctrl ] [C ] T e rminates a task and display s th e command promp t. [Ctrl ] [D ] Deletes the characte r at the curs[...]

5 Using the HP W e b Browser Interface Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 General Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 St arti ng an HP Web Browser In terface S e ssi on with the Switch[...]

Using the HP Web Browser Interfa ce Overview Overview The H P web br owser i nte rf ace bui lt into the switch le ts you easily ac ce ss th e switch f r om a browser -ba sed PC o n you r networ k. This let s you do th e following: ■ Opt imi ze you r network uptime b y us in g th e Alert Log and ot her diagn o stic t ool s ■ Make config uration [...]

Using the HP Web Browser Interface Genera l Features General Features The switch includes these w e b browser interface features: Swit ch Configu r at i on: • Ports • V LAN s an d Primary VLAN • F ault detecti on • P ort monitor i ng (mirroring) • Sys tem inform ati on • E nable/D i sable Multicast Fil t er in g (IG M P) and Spanning T [...]

Using the HP Web Browser Interfa ce Starting an HP Web Browser Interface Session with the Switch Starting an HP W e b Browser Interface Session with the Switch Y ou can sta r t a web browser sessi on in the following ways: ■ Usi n g a standalone w eb br owser on a net w ork con n ecti on fr om a PC o r UNIX workstation: • D ire c tly connected [...]

Using the HP Web Browser Interface Startin g an HP Web Browser Interface Session with the Switch Using HP ProCurve Manage r (PCM) or HP ProCurve Manager Plus (PCM+) HP ProCurv e Manag e r and HP ProCurve Manag er Plus are designed for in stal la tion on a net w or k m ana gement workstation. Fo r this reason, the system requirements are di ffe re n[...]

Using the HP Web Browser Interfa ce Starting an HP Web Browser Interface Session with the Switch Aler t Log Fir s t-T ime Install Aler t Figure 5-1. Exampl e of Sta t us Overview Scre en Not e The a bove scre en a ppe ar s somewhat differen t i f the swi t ch is configur ed as a sta c k Comma n der . For an exa m ple , see figure 2-3 on page 2-5. 5[...]

Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session T a sks for Y o ur First HP W e b Browser Interface Session The f irs t time you access th e web bro w ser interface, there ar e three tasks that you should pe rform : ■ Rev i ew the “First Time Install” window ■ Set Manager and Op erator passwords ■ [...]

Using the HP Web Browser Interfa ce Tasks for Your First HP Web Browser Interface Session Thi s window is t h e launch ing point f o r the ba sic configur ation you need to perfo rm to set w e b b r ow ser inte rface p a sswo r ds t o ma in tain sec u rit y an d Faul t Det e ct i on po licy , w hic h d ete rmi n es t h e t ypes of messages that wil[...]

Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session Figure 5-3. The Device Passwords Win dow T o set the passwords: 1. Acc e ss the Device Passwords scree n by on e of th e f o llo wing method s: • If the Alert Log i n cludes a “Fi r st T i me I n stall ” event entry , double cli ck on t h is event, then, [...]

Using the HP Web Browser Interfa ce Tasks for Your First HP Web Browser Interface Session Not e Passwo r ds yo u a s sign in the w e b b r ow ser inte rface will overw r ite p r eviou s passwords assig ned in either the we b browser in terface, the Command Prompt, or the swi t ch console . Tha t is , the most recently assigned passwords are the swi[...]

Using the HP Web Browser Interface Tasks for Your First HP Web Browser Interface Session If Y o u Lose a Pass wor d If you lose the pas s wor d s, you can clear them by pressing the Clear button on the fro nt of the switch . This action deletes all password and user name protecti on from all of the switch’ s interfaces . The Clear button is provi[...]

Using the HP Web Browser Interfa ce Support/Mgmt URLs Featur e Support/Mgmt URLs Feature Th e Support/ M gmt URLs window enabl es yo u to change the W orld Wi de W eb Universal Resource Lo cator (URL) for two functi ons: ■ Support URL – a support info rmati o n si te for your swi t ch ■ Ma nage me nt S e rve r URL – The w e b s ite fo r web[...]

Using the HP Web Browser Interface Support/Mgmt URLs Feature Support URL This is the site that th e swit ch accesses w h en y o u click on the Su pport tab on the web browser in terface. The default URL is: htt p :// www .hp.com/go / procurve which is the W o rl d W i de W e b si te for Hew l ett-Packard’ s network ing product s. Click on the [Su[...]

Using the HP Web Browser Interfa ce Support/Mgmt URLs Featur e In th e de fault config ura tio n , the swi t ch use s the URL fo r acce ssing the web brows er in terf ace h elp files on the HP ProCurve o rl d Wi de W eb site . W Figure 5-7. How T o Access W eb Browser Int e rface Online He lp 5-14[...]

Using the HP Web Browser Interface Status Reporting Features Status Reporting Features Bro w ser e l emen ts covere d in this section incl ude: ■ Th e Overvi ew window (bel ow ) ■ Port utilization and status (page 5-1 6) ■ The Alert log (page 5-1 9) ■ The Sta t us bar (pag e 5-22 ) The Overview W i ndow The O vervi ew W i ndow is the home s[...]

Using the HP Web Browser Interfa ce Status Reporting Features The Port Utilization and Status Displays The Po rt Utiliza t io n an d Status d i sp lays show an overv i ew of the sta t us of the switch and the amount of ne two r k act i vi ty on eac h port. The fol l owi ng fi gure show s a sample reading of the Po rt Utilization an d P o rt S tatus[...]

Using the HP Web Browser Interface Status Reporting Features ■ Maximum Activity Indicat o r: As the bars in the gr aph area change height to reflect the leve l of networ k a c tivit y on the correspon ding port, they leave an outli ne to identify th e maxi mu m activity lev e l t hat ha s been ob served on th e port . Utiliza t ion Gui delin e. A[...]

Using the HP Web Browser Interfa ce Status Reporting Features Port Status Port Status Indi ca tors Legend Figure 5-12. The Port Sta t us In dic a tors and Legend The Po rt Statu s in dic ato rs sh ow a sym b ol f o r eac h port that indica te s the general status of the port. Th ere are four possible statuses: ■ Port Con n ected – the port is e[...]

Using the HP Web Browser Interface Status Reporting Features The Alert Log The we b browser interface Alert Log, sh own i n th e lower h a lf of the scre en, shows a list of networ k occurrences, or alerts , that were detected by the swi t ch. T y pic a l alerts are Broadca st Sto rm , indicating an exc e ssiv e numbe r of broadcasts received on a [...]

Using the HP Web Browser Interfa ce Status Reporting Features Alert T y pes and Detailed V i ews As of April, 2004, the w e b browser in terface g e nerates the fol l owing alert types: • A uto Parti t io n • B ac kup T ran sitio n • E xcessiv e broadcasts • E xcessive CRC/alignment errors • E xc e ssive ja bberi ng • E x cessiv e lat e[...]

Using the HP Web Browser Interface Status Reporting Features Figure 5-14.Exampl e of Ale rt Log Detail V iew 5- 21[...]

Using the HP Web Browser Interfa ce Status Reporting Features The Status Bar The Status Bar is displayed in the uppe r lef t corner of the web bro w ser interface screen. Figure 5-1 5 shows an expanded view of th e status bar . Status Indicato r Most Critical Aler t D e scr ipt io n Product Name Figure 5-15. Exampl e of t he Sta t us Bar The Status[...]

Using the HP Web Browser Interface Status Reporting Features ■ Product Name. The product name of th e swit ch t o whi c h you are con n ect e d i n th e current web br owser interface session . Setting Fault Detection Pol i cy One of the powe r ful feature s in the web brow ser in terface is the Faul t Detection facil i ty . For your swi t ch, th[...]

Using the HP Web Browser Interfa ce Status Reporting Features ■ High Sensi t ivity . This poli cy direct s the swit ch to send a ll alerts to th e Ale rt Log. This setting is most effect i ve on networks that have none or few pr oblems. ■ Med i um Sensitivity . This p o licy di rec ts the switch to sen d ale r ts relat ed to network pr ob lems [...]

6 Switch Memory and Configuration Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Overview of Configu r at i on File Mana gement . . . . . . . . . . . . . . . . . . . . . . . . 6-2 Using the CLI T o Im pl em ent Configuratio n Chan ges . . . . . . . . . . . . . . . . [...]

Switch Memory and Configu r atio n Overview Overview Thi s chapter describes: ■ How swi t ch memory ma na ges config ur at i on ch anges ■ How the CLI implements configurat ion changes ■ How the menu interfac e an d web br owse r interface im plement configu- ration chang es ■ How the swi t ch provid es sof t ware options throu gh pr imary/[...]

Switch Memory and Configuration Overview of Configuration File Managemen t ■ Running Confi g File : Exi s ts in vola tile m emo ry an d cont rols switch op eration. If no configu r at i on changes have been made in th e CLI since th e switch was last booted, t h e runnin g-config file is identical to the startup- config fi le . ■ Startup-config[...]

Switch Memory and Configu r atio n Overview of Configuration File Management “permanent”. When you are satisfi ed tha t the change is satisfa c tory , you ca n make it permanen t by ex ecut in g t he write memory comma n d. For example, suppose you use t h e f oll owin g com m and to disable port 5: HPswitch(config)# interface ethernet 5 disabl[...]

Switch Memory and Configuration Using the CLI To Implement Configuration Changes Using the CLI T o Implement Configuration Changes The CLI offers the se capabilitie s: ■ Access to th e full set of switch confi g uration f e at ures ■ Th e option of te st in g con figur ati on changes before making the m perma - nent How T o Use the CLI T o V i [...]

Switch Memory and Configu r atio n Using the CLI To Implement Configuration Changes 3. Observe the switc h’ s performance wi th th e new parameter set tin gs to veri f y the effect of your chang e s. 4. When y o u are satisfied that y o u have the co rrec t paramete r settings, use th e write memory comma n d to co py the changes to the startup-c[...]

Switch Memory and Configuration Using the CLI To Implement Configuration Changes HPswitch(config)# interface e 1 disable HPswitch(config)# boot Device will be rebooted, do you want to continue [y/n]? y Do you want to save current configuration [y/n]? Press [Y ] to continue the r ebo oting process. Yo u will then see this prompt. Di sab l es p ort 1[...]

Switch Memory and Configu r atio n Using the Men u a nd Web Browser Inte rfaces To Implement Configuration Changes How T o Reset the startup-config and running-config Files to the Factory-Default Confi g ura t ion . This command reboots t h e switch, replacin g th e conten ts of the current startup-config and running-con fig fi les with the fac to [...]

Switch Memory and Configuration Using the Menu and Web Browser Interfaces To Imple ment Configuration Changes Not e The o nly excep ti on to this operati on are two VLAN -relat ed pa ram ete r change s that require a rebo ot —descri b ed u nder “Rebo o ting T o Activate Configurat i on Chang e s” on pag e 6-11 . Using S ave and Cancel in the [...]

Switch Memory and Configu r atio n Using the Men u a nd Web Browser Inte rfaces To Implement Configuration Changes Not e If you reconfigure a pa rame ter in the C L I a n d then go to the menu i n terfa ce without executing a write memor y comma n d, those c h anges are store d only in th e runni ng configurat ion. If you th en execute a switch reb[...]

Switch Memory and Configuration Using the Menu and Web Browser Interfaces To Imple ment Configuration Changes Rebooting T o Ac tiv a te Configuration Chang es. Configuration changes for most parameters become effective as soon as you save the m . However , you m u st reboot the swit ch in or der to implement a chang e in the Maximum VLANs to suppor[...]

Switch Memory and Configu r atio n Using Primary and Secondary Flash Imag e Options Using Primary and Secondary Flash Image Options The switch features tw o flash memory locations fo r stori n g switc h software image fil e s: ■ Pri m ary Flash : Th e defaul t st orage fo r a swi t ch softw a re imag e. ■ Secon d ary Flash: The additional stora[...]

Switch Memory and Configuration Using Prima r y and Secondary Flash Image Options For example, if the swi t ch is using a softw a re versi o n of G. 01.01 store d in Pri m ary fla s h, show version pr oduces the followin g: Figure 6-7. Exampl e Showing the I dentity of the Current Flash Im ag e Determi nin g Whethe r the Flash Images Are Dif f eren[...]

Switch Memory and Configu r atio n Using Primary and Secondary Flash Imag e Options 1. In this e x ampl e show version indicates the swi t ch has version G . 05. 01 in primar y flash . 2. A fter the boot sy ste m command, show ver s ion ind ica tes that version G.05. 0 0 is in secondary flash. Figure 6-9. Determi n ing the Sof twa re V e rsion in P[...]

Switch Memory and Configuration Using Prima r y and Secondary Flash Image Options Local Swi t ch Software Replacement and Removal This section describes co mmands for erasing a soft ware ve rsio n an d copy in g an exis ting software versi o n betw een primary and sec o ndary fla s h. Not e It is not nec e ssary to e ra s e the conten t o f a fla s[...]

Switch Memory and Configu r atio n Using Primary and Secondary Flash Imag e Options 1. V e rify that the re is a va lid flash i m a ge in the secondary fla s h loc a tion. The following fig u re indicates that a softwa re im age is pre s ent in secondary fl ash. (If you are unsure wh ether the i m age i s secondary flash is v a lid, try b ootin g f[...]

Switch Memory and Configuration Using Prima r y and Secondary Flash Image Options T he prompt shows which fla sh l ocation wil l be erased . Figure 6-11. Exampl e of Era s e Flash Promp t 3. T y pe y at the pro m pt to co mplete the flash erase . 4. Use sho w flash to verify erasure of the selected softw a re f las h imag e The " 0 " her [...]

Switch Memory and Configu r atio n Using Primary and Secondary Flash Imag e Options Booti n g from Pri m ary Fla s h. This command alw ays boots the switch from pr imary fl as h, an d execut es the co mp le te se t of su bs yste m sel f -test s. Syntax : boo t For example, t o b oot the swi t ch f rom pri m ary f l ash w ith pending con fig urati o[...]

Switch Memory and Configuration Using Prima r y and Secondary Flash Image Options Booting from the Current Software V e rsion. Re load reboots the switch from the flash im age on w h ich the switc h is curre n tly running, and saves to the sta r tup-c o nfi g fil e any configurat ion c h anges c u rrent ly in th e run ning- config file. Because rel[...]

Switch Memory and Configu r atio n Using Primary and Secondary Flash Imag e Options — Th is page is intentionally unuse d. — 6-20[...]

7 Interface Access and System Information Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2 Interfac e A ccess: Console/Serial Li nk, Web, and Telnet . . . . . . . . . . . . . . . 7-3 Menu: Modifying the Interface Acc e ss . . . . . . . . . . . . . . . . . . . . . . . .[...]

Interface Access and System Information Overview Overview This chapt e r describes how to: ■ Vi ew and modify the co nfi g ura tio n for swi tch interface a ccess ■ Use the CLI kill comma nd to termi nat e a remote session ■ Vi ew an d m odi fy swi t ch system infor m ation For help on how to ac tual ly use the inte rfaces buil t into the swi[...]

Interface Access and System Information Interface Access: Console/Se rial Link, Web, an d Telne t Interface Access: Console/Serial Link, W e b, and T e lnet Int e rface Access Features Feature Default Menu CL I We b Inactivity T ime 0 Minutes (disabled) page 7-4 page 7-6 — Inboun d T e lne t Access Enabled page 7-4 page 7-5 — Outbound T e lnet [...]

Interface Access and System Information Interface Access: Console/Se ri al Link, Web, and Telnet Menu: Modifying the Interface Access The menu interface enabl e s you to modify the s e parameters: ■ Inactiv i ty T ime-out ■ I nbound T e lnet Enabled ■ W e b Agent Enabl ed T o Access the Inter f ace Access Parameters: 1. From the Main Menu, Se[...]

Interface Access and System Information Interface Access: Console/Se rial Link, Web, an d Telne t CLI: M o difying the Interface Access Int e rface Access Command s Use d in T h is Section show console below [no] telnet-server below [no] web-management page 7-6 console page 7-6 Listing the Curre n t Console/Serial Link Confi gurat ion. This co m- m[...]

Interface Access and System Information Interface Access: Console/Se ri al Link, Web, and Telnet Outboun d T e lne t to Another Device. Thi s feature operat e s indepen- dently of th e t eln et-serv er sta t us and e nable s you to T e lnet to another devic e that has an IP a d dress. Syntax : telnet < ip-address > For example: HPswitch # tel[...]

Interface Access and System Information Interface Access: Console/Se rial Link, Web, an d Telne t For example, to use one comma n d to c o nfi g ure the switch with the fol l owi n g: ■ VT100 opera t ion ■ 19,200 baud ■ No flow contro l ■ 10- mi nu te ina c tivit y time ■ Critical log e vents you woul d use t h e f ollow ing comma nd sequ[...]

Interface Access and System Information Denying Interface Access by Term inating Remote Management Sessions Denying Interface Access by T e rminating Remote Management Sessions The switch supp ort s up to four management sessions. Y o u can use show ip ssh to list the cu rrent management sessi ons, and k ill to te rmi n ate a curre n tly runni ng r[...]

Interface Access and System Information System Information System Information Sy ste m Information Fe atures Feature Def ault M enu CLI W eb Sy stem Name switch product name Sy stem Contact n/a Sy stem Location n /a MAC Age T i me 300 seconds T ime Sync Method None T ime Zone 0 Daylight T ime Rule None T ime January 1, 1990 at 00 :00:00 at last pow[...]

Interface Access and System Information System Information T i me Zone : Th e number o f minutes your t i me zone l o cati on is to the W e st (- ) or East (+) of Coordinate d Universal Time (f orme rly GM T). Th e default 0 means no time zone i s configured . For e x ample, Berl in, Germa n y i s in th e +1 zo n e, while V a ncouve r , Ca nada is [...]

Interface Access and System Information System Information 3. Ref e r to the online h e lp pro vid ed with this screen fo r furthe r info rmatio n on configu r at ion options for t hese f eat ures. 4. When you have f i nished mak i ng ch anges to the above parameters, press [Enter] , then press [S ] (for S ave ) and return to th e M a in Menu . CLI[...]

Interface Access and System Information System Information Confi gur e a Syste m Name, Con t act, and Location for the Switch. To help di sti n gui sh one switch f r om anot her , configur e a p l ain- langua ge i d ent i ty for the switch. Syntax : host nam e <name-string> snmp-server [contact <sy stem contact > ] [ l ocatio n <sy s[...]

Interface Access and System Information System Information Reconfigure the Age T i me fo r Learned MAC A d dresses. This co m- mand corresp ond s t o th e MAC Age Interv al in th e menu in terf ace, an d is expressed in seco nds. Syntax : ma c-ag e-time <10 . . 1000000> ( seconds ) For example, to configure th e age time to seven minutes: HPs[...]

Interface Access and System Information System Information W e b: Configuri n g System Parameters In the we b browser interfac e, you can ente r t he following sy stem inf o rmatio n: ■ Syste m Nam e ■ Syste m Lo cati on ■ Syste m Contact For access to the MAC Age Interval an d the T i me parameters, use the menu interface or the CL I. Config[...]

8 Configuring IP Addressing Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 IP Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Just Want a Quick Start with IP Addressi ng? . . . . . . . . . . . . . . . [...]

Configuring IP Addressing Overview Overview Y ou can configure IP addressing th rou gh all of the switch’ s in terfaces. Y o u ca n also: ■ Easily edit a switch conf iguration fi le to allo w downloading t h e f i le t o mul t iple switches withou t overw r iti ng each swi tc h’ s uniq ue ga teway and VLAN 1 IP addressing. ■ Assig n up to s[...]

Configuring IP Addressing IP Configuration IP Configuration IP Confi g uration F e atures Feature D efault M enu CLI W eb IP Address a nd Subnet Mask DHCP/Bootp page 8-5 page 8-7 page 8-11 Multiple IP Addresses on a VLAN n/a page 8-9 Default Gateway Address none page 8-5 page 8-7 page 8-11 Packe t T i me- T o-Live (TTL) 6 4 seconds page 8-5 page 8-[...]

Configuring IP Addressing IP Configuration then the switch uses this gatew ay , e ven if a di fferent gateway is receive d via DHCP or Boot p on th e p rim ary VLAN. (This i s also t rue for T i meP and a non- defaul t T ime-T o-Live. ) See “Not es” o n page 8-4 and refer t o th e chap ter on Vi rtual LANs in the Advanced T r affic Manage me nt[...]

Configuring IP Addressing IP Configuration ■ The IP addressing used in the swi t ch shoul d be com p ati ble wi th you r network . Th at is, th e IP address must be unique and the subnet mask must be appro p riate fo r your IP network . ■ If yo u chang e the IP address throug h ei ther T e lnet access or the we b browser i n terface, the c o nn[...]

Configuring IP Addressing IP Configuration For descriptio ns o f the se parame t ers, see the onlin e Help for thi s screen . Be fore usi n g the DHCP/ Bootp opti on, re fer to “DHCP / Bootp Operation” on page 8-12. Figure 8-1. Exampl e of t he I P Serv ice C on fig uration Scree n w itho u t M ul tiple VLANs Conf ig ured 2. Press [E] (for E di[...]

Configuring IP Addressing IP Configuration CLI: Configuring IP Addres s, Gateway , and T i me- T o- Live (TTL) IP Commands Used i n This Se cti on show ip page 8-7 vlan <vlan-id> ip page 8-8 address ip default-gateway page 8-11 ip ttl page 8-11 V i ewing the Current IP Con f igurati o n. The follow ing co mmand displ a ys the IP addressing fo[...]

Configuring IP Addressing IP Configuration Figure 8-3. Exampl e of Sho w I P Listing with Non - Default IP Addressing Configure d Confi gur e an IP Address a n d Subnet Mask. The follow i ng command in cludes both th e IP address and t h e subnet mask. Y ou must ei ther i nc l ude the ID of th e VLAN for which you ar e conf igu r in g IP addr essin[...]

Configuring IP Addressing IP Configuration Co nf igure Multi ple IP A ddre sse s on a VLAN (Multinetting). Y ou can con fig ure o n e primary I P ad dress p er VLAN and u p to seven secondary I P addresses for the same VLA N . That is, th e swi t ch ena bl es you to assig n up to eigh t networks to a VLAN. ■ Eac h IP address on a VLAN must be for[...]

Configuring IP Addressing IP Configuration If yo u then wa nted to mu lti net the defau lt VLAN, you w o ul d d o the f ollowi n g: The secondary IP address es in a VL AN are l i sted immediately after th e primary IP address for t he VL AN . Figure 8-5. Example of Multin ett i ng o n the Default VLAN Not e The Internet (IP) Se rvice screen in the [...]

Configuring IP Addressing IP Configuration Configure the Optional Default Gateway . Usi n g the Global conf igura - tion level, y o u c a n a ssign one default g a teway to the sw itch. Syntax : ip defau l t-g a teway <ip - address> For example: HPswitch(config)# ip default-gateway 10.28.227.115 Note The switch uses the IP default ga te way o[...]

Configuring IP Addressing IP Configuration swi t ch, configure the switc h wi th an IP addre s s a n d subnet mask compatible with your network . The following tabl e lists the general feature s av ail a bl e with and wi t hout a network - com p ati b le IP address configured. T able 8-1. Feature s Ava ilable W ith and Witho u t I P Addressin g on [...]

Configuring IP Addressing IP Configuration The DHCP/Bootp Process. Whe ne ver the IP Config para meter in the switch or in an individual VLA N in the switc h is configured to DHCP/Bootp (the defaul t), or when th e switch is rebooted w ith this configurat i on: 1. DHCP / Bootp request s are automatical ly broadcast on t he lo cal net w ork. (The sw[...]

Configuring IP Addressing IP Configuration Fo r m o re inform atio n on eit her of th ese procedures, refer to the doc u menta - tion provided wi th the DHCP serve r . Bootp Ope r ati o n. Wh en a Bootp server receives a request it searches its Boot p dat aba se for a rec o rd entry th at matches the MAC address in the Bootp request from the switch[...]

Configuring IP Addressing IP Configuration ip is th e IP address to be as signed to the switch (or VLAN). sm is th e subnet mask of the subnet in which the switch (or VLAN) is installed. gw is the IP address of the default gateway. lg TF TP serve r a ddress (source of final configuration file) T144 is the vendor -specific “tag” identif ying the[...]

Configuring IP Addressing IP Preserve: Retaining VLAN-1 IP Addres sing Across Con f iguration File Downloads connectiv i ty to the TF TP fil e se rver sp ecifi ed in the repl y , that the config - ur at i on f ile is cor r ect l y named, an d that the configurati o n file exists i n the TF TP directory .) IP Preserve: Retaining VLAN-1 IP Addressing[...]

Configuring IP Addressing IP Preserve: Retaining VLAN-1 IP Addres sing Across Configuration File Downloads Ente ri ng " ip preserve" in the l a st line o f a configuration file imp l eme n ts IP Prese r ve when the file is downloaded to the switch and the swi t ch reboots. Figure 8-6. Example of I m pl ementing IP Preserve in a Switch C o[...]

Configuring IP Addressing IP Preserve: Retaining VLAN-1 IP Addres sing Across Con f iguration File Downloads Usin g figure 8-7, a bove, switches 1 - 3 ignore the se entr ies because the file imp l eme n ts IP Preserve and their c urren t IP addressin g was n o t a cquired throug h DH CP/Bootp. Swi t ch 4 ignore s IP Preserve and implements the DHCP[...]

Configuring IP Addressing IP Preserve: Retaining VLAN-1 IP Addres sing Across Configuration File Downloads Be cause s w itch 4 (fig ur e 8-7) receiv ed it s most recent IP ad dre ssing from a DH CP/Bootp ser v er , the switch ign ore s the ip prese rve comman d an d imple m ents the IP addressing inc l uded in thi s file. Figure 8-9. Configuration [...]

Configuring IP Addressing IP Preserve: Retaining VLAN-1 IP Addres sing Across Con f iguration File Downloads — Th is page is intentionally unuse d. — 8-20[...]

9 T i me Protocols Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 TimeP Tim e Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 SNTP Time Synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2 Ove[...]

Time Protocols Overview Overview Thi s chapter describes: ■ SNT P T i me P r ot oc ol Operatio n ■ T i mep Ti me Pr otocol Operati on Usin g time sy nchro niz ati on e n sures a uniform time am ong in te r o pe rating devic e s. This hel p s you to manage a nd troubleshoot swi tch operation by attac hing meaningful time da ta to event and error[...]

Time Protocols Ove r view: Selecting a Time Synchronization Prot ocol or Turning Off Time Pro t ocol Operation ul ar server , it ignores time br oad casts from other SNTP ser v ers unless the config ur ab le Poll Int e rval expires three consecu tiv e t i mes without an upda t e receive d from the first-detected server . Note T o use Broadcast mode[...]

Time Protocols SNTP: Viewing, Selecting, and Configuring Not e that simply sel e ct in g a t i me syn c hr onization p r otocol do es n ot enabl e th at protocol on t h e swi t ch u nle ss you also enable the protocol itself (step 2, above). For example, in the fa cto r y-d e fault configu r at i on, Ti meP is th e selecte d time synchroni z ati o [...]

Time Protocols SNTP: Viewing , Selecting, and Con f iguring T able 9-1.SNTP Parameters SNTP Par a meter Operation T i me Sync Method Use d to select either SNTP , TIMEP , or None as the time synchronization method. SNTP Mode Disabled The Default. SNTP does not operate, even if specified by the Menu interface T i me Sync Me thod pa rameter or th e C[...]

Time Protocols SNTP: Viewing, Selecting, and Configuring T i me Protocol Sel ecti on Par a meter –T IMEP –S NTP – N one Figure 9-1. The Sy stem Informatio n Screen (Default Values) 2. Press [E ] (for E di t ). The cursor moves to the Sy stem Name fiel d. 3. Use [v] to move the cursor to the T i me Sync Method field. 4. Use the Space bar to se[...]

Time Protocols SNTP: Viewing , Selecting, and Con f iguring ii. Enter the IP address of the SNTP server you want the switch to use for tim e syn c hronization. Note: This step replaces any pre v iousl y configured serve r IP addr ess. I f yo u will be usi ng ba ckup SNTP servers (r equires use of the CL I), then see “SN T P Unica st Time Polling [...]

Time Protocols SNTP: Viewing, Selecting, and Configuring CLI: V i ewing and Configuring SNTP CLI Commands Described in this Secti on show sntp page 9-8 [no] timesync pages 9-9 and ff., 9-12 sntp broadcast page 9-9 sntp unicast page 9-10 sntp server pages 9-10 and ff. Protocol V e rsion page 9-12 poll-interval page 9-12 no sntp page 9-13 Thi s secti[...]

Time Protocols SNTP: Viewing , Selecting, and Con f iguring Even though, in this e x ample , Ti me P is the curren t time sync hr onous method , the swi t ch main tai n s th e SN TP conf igurati o n. Figure 9-3. Example of SNTP Configuration Wh en SNTP Is Not the Se lected T i me Synchron i zation Method Confi gur ing (En a bling or Di sabling) the[...]

Time Protocols SNTP: Viewing, Selecting, and Configuring 2. Select SNTP as the time synchronization mode . 3. Enable SNTP for Broadcast mode. 4. Vi ew the SNTP configuration again to verify the confi g uration. The commands and output w o uld ap pear as follows: show sntp display s the SNT P configuration and al so shows that T i meP is the c urren[...]

Time Protocols SNTP: Viewing , Selecting, and Con f iguring Not e Del e ting a n SNTP server when only one is con fig ured disables SNTP unicast operation. For example, to select SNTP and configur e i t wi th unic ast mode an d an SNTP server at 10 .28.227.141 with the defaul t server version (3) and default poll interval (720 seconds): HPswitch(co[...]

Time Protocols SNTP: Viewing, Selecting, and Configuring Deletes unic ast SNT P ser v er entry . Re-ente r s the unicast ser v er with a non- default proto col ver s ion. show sntp display s the r e sult. Figure 9-6. Example of Specifying the SNTP Protocol Ve rsion Number Changing the SNTP Poll Interval. Syntax : sntp poll-interval < 30 . . 720 [...]

Time Protocols SNTP: Viewing , Selecting, and Con f iguring Figure 9-7. Exampl e of SNTP with T i me Sychronization Disab l ed Disabling the SNTP Mode. If you want to pr event SNTP fr om bei n g used even if selec t ed by timesyn c (or the Menu interface’ s T ime Sync Method param- eter), configure the SN TP mode as disabled. Syntax : no sntp Dis[...]

Time Protocols TimeP: Viewing , Selecting, and Con f iguring T i meP: V i ewing, Selecting, and Configuring T i meP Feature Default Menu CLI We b view th e T imep time synchronization configuration n/a pa ge 9-15 page 9-17 — select T imep as the time synchronization method TIMEP pa ge 9-13 pages 9-18 ff . — disable time synchronization timep pa[...]

Time Protocols TimeP: Viewing , Selecting, and Con f iguring Menu: V i ewing and Configuring T i meP T o Vi ew , Enab le, and Mod ify th e T i meP Protocol : 1. Fro m the Ma in Men u, select: 2. Switch Configuration... 1. Sy stem Information T i me Protocol Sel ecti on Par a meter – T IMEP (th e defa u lt) –S NTP – N one Figure 9-9. The Sy st[...]

Time Protocols TimeP: Viewing , Selecting, and Con f iguring • U se the Space ba r to select the Manual mode. i. Press [>] to move the c ursor to the Server Addre ss field . ii. Enter the IP address of the T i me P server you want the switch to use for tim e syn c hronization. Note: This step replace s any previously c o nfi g ure d T i meP se[...]

Time Protocols TimeP: Viewing , Selecting, and Con f iguring This sect i on descr ibe s ho w to use the CL I to vi ew , enable, and configure T i me P param e ters. V i ewing the Current T i meP Confi g ura t ion This command lis ts both the time synchro niz ati on method (T imeP , SNTP , or None ) and the Ti meP configurati o n, even if SNTP is no[...]

Time Protocols TimeP: Viewing , Selecting, and Con f iguring Confi gur ing (En a bling or Di sabling) the T i meP Mode Enabling the T i meP mode me ans t o configu r e i t fo r eit h er bro adc ast or un icast mode. Remember th at to run T i meP as the swi t ch’ s time syn chr onizatio n pr otocol, you must also select T ime P as t h e t ime syn [...]

Time Protocols TimeP: Viewing , Selecting, and Con f iguring The commands and output w o uld ap pear as follows: show timep displa y s the T i meP configuration a nd also sho ws tha t SNTP is the cur r entl y active time synchroniza tion mod e. 1 2 3 4 show timep again displa y s the T i me P configuration and sho w s tha t T i me P is now the cur [...]

Time Protocols TimeP: Viewing , Selecting, and Con f iguring HPswitch(config)# timesync timep Selects T i meP . HPswitch(config)# ip timep manual 10.28.227.141 Ac tivates T imeP in Manual mode. Figure 9-13. Example of Configu r ing T im ep fo r Manual Ope ra tion Changing the T i meP Poll Interval. This command le ts you specify how long the swi t [...]

Time Protocols SN TP Uni c ast Time P ol ling with Multiple SNTP Servers Figure 9-14. Example of T i meP with T i me Sychroniza tion Disab l ed Disab lin g the T i meP Mode . Disab lin g the T i meP mode me ans t o configur e it as disabled. (Disabling T i meP prevents the sw itc h from using it as the time synchronization protocol, even if it is t[...]

Time Protocols SNTP Unicast Tim e Polling with Multiple SNTP Servers all servers in the list without success, it sends an error message to the Event Log and reschedule s to try the ad dr ess list agai n after the c o nfi g ure d Poll Int e rval time has ex pired. Address Prioritization If you use t he CLI to conf igu r e multiple S NTP serve r s, t[...]

Time Protocols SN TP Uni c ast Time P ol ling with Multiple SNTP Servers Prioritized li st o f SNT P Server IP Addresses Figure 9-16. Example of SNTP Serve r Address Priorit i zation Note If there are alrea d y three SNTP server addresses con fig ured on the swi t ch, and you wa nt to use the CLI to replace one of the existing addresse s wi th a ne[...]

Time Protocols SNTP Messages in the Event Log Menu Interface Operation with Multiple SNTP Server Addresses Configured When you use the Menu interf ace t o configure an SNTP server IP address, the new address writes over th e current primary address, if one is co n f igured . If there are mul t iple ad dresses configured , the switch re-orders the a[...]

10 Port Status and Basic Configuration Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-3 Viewing Port Status and Configuring Port Pa rameters . . . . . . . . . . . . . . . 10-3 Menu: Viewi ng Port Status and Configur ing P o rt Parameters . . . . . 10-6 CLI: Viewing Po r[...]

Port Status and Basic Configuration Conte n ts Outbound Port Qu eues and Pac k et Priori ty Settings . . . . . . . . . . . . 10-30 Operating Rules for Port-Base d Pri o rity . . . . . . . . . . . . . . . . . . . . . . 10-31 Configuring and Viewing Port- B ased Priority . . . . . . . . . . . . . . . . . . 10-32 Messages Related to Prior i tization .[...]

Port Status and Basic Configuration Overvie w Overview This chapt e r describes how to view th e current port conf igur ati on and ho w to con fig ure p o rts t o non-d efault settings, including ■ Enable/Disable ■ Mode (sp e ed and du plex ) ■ Flow Con trol ■ Broadcast L imit ■ Auto-MDIX ■ Jumbo Packets on the Serie s 2 800 Swi t ches [...]

Port Status and Basic Configuration Viewing Port Sta t us and Configur ing Port Parameters T able 10-1. Statu s and Parameters for Each Port T y pe Statu s or Parameter Description Enabled Ye s (default): The port is ready for a ne twork connection. No : The port will not opera t e, even if properly connected in a network. Use this setting, for exa[...]

Port Status and Basic Configuration Viewing Port Statu s and Configuring Port Parameters Statu s or Parameter Description Mode ( Continue d ) 10/100/ 1000Base-T : • A uto-10: Allows th e po rt to negotiate between ha lf-duplex (HDx) and full-dupl ex (FDx) while keeping speed at 10 Mbps. Also negotiates flow c ontrol ( enabled or disabled). HP rec[...]

Port Status and Basic Configuration Viewing Port Sta t us and Configur ing Port Parameters Statu s or Parameter Description T y pe This parameter appears in the CLI show trunk listing and, for a p o rt in a trunk group, specifies the type o f trunk group. The default T y pe is p a ssive LACP , which can be d i splayed by u s ing the CLI sho w lacp [...]

Port Status and Basic Configuration Viewing Port Statu s and Configuring Port Parameters Using the Menu T o Co nfigure Ports. Not e The menu i n terfac e uses the same scre en f o r con figurin g both i ndi vidual ports and po rt tr unk groups. For info rmat i on on po rt trunk groups, see Chapt e r 12, “Port T r unking” . 1. From the Main Menu[...]

Port Status and Basic Configuration Viewing Port Sta t us and Configur ing Port Parameters From the CL I, you can conf igure and vie w all port pa rameter settings and view al l port statu s i ndicator s. Using the CLI T o Vi ew Port Status Use the following comma n ds to disp lay p o rt status an d configuration: ■ show interfaces brief : Li sts[...]

------- --------- ------ ---------- 1 2 3 4 5 6 7 8 9 10 Port Status and Basic Configuration Viewing Port Statu s and Configuring Port Parameters Cur r ent Operating M o de Figure 10-3. Example Show Inte rface Com m and List ing, 4100gl Switch Cur r ent Confi gured Mode Figure 10-4. Example Show Interface Con fig Command List ing, 4100gl Switch HPs[...]

------- --------- ---- Port Status and Basic Configuration Viewing Port Sta t us and Configur ing Port Parameters HPswitch(config)# s how interface config P ort Settings Port Type | Enabled Mode F low Ctrl MDI + - ------ ------------ ------ --- 1 10/100TX | Y es Au to D isabl e MDIX 2 10/100TX | Y es Au to D isabl e MDIX 3 10/100TX | Y es Au to D i[...]

Port Status and Basic Configuration Viewing Port Statu s and Configuring Port Parameters If port C8 w as disabled , an d you want ed to enable it and configure it for 100FDx w i th flow-control ac tive, you coul d do so w i th either of the fol l owing comma n d sets. ■ These comma nds e nable a nd conf ig ure port C8 from the config le vel: HPsw[...]

Port Status and Basic Configuration Viewing Port Sta t us and Configur ing Port Parameters For e x ample, to configure a broadcast lim it of 20% for al l port s on th e swi t ch : Figure 10-7. Example of Configu ri ng a Global Broadcast Limit T o display the c u rrent broadc ast limit setti n g, use e i ther sh ow c onfig or show running : Di spl a[...]

Port Status and Basic Configuration Viewing Port Statu s and Configuring Port Parameters For e xam ple, to configure a broadcast limi t of 45% on ports 1 - 10 in a Seri es 2800 Switch: Con figures a broadcast limit of 45% on por t s 5 - 7 in the r unning confi gurati on. Displa y s the broadcast- limit i n th e run ni ng-config file. Figure 10-1. C[...]

Port Status and Basic Configuration Viewing Port Sta t us and Configur ing Port Parameters Using the above ports: ■ If yo u con n ect a copper port usi ng a straight -thr ough cab le to a port on ano the r swi t ch or hu b th at uses MDI- X ports, the sw itc h port automati- cally ope rat es as an MDI port. ■ If yo u con n ect a copper port usi[...]

Port Status and Basic Configuration Viewing Port Statu s and Configuring Port Parameters . Syntax: interface < port-list > mdix-mode < automd i x | mdi | m d ix > au tomdix is the automatic, default setting. This configures the port for automatic detection of the cable (either straight-through or crossover ). md i is the manual mode set[...]

Port Status and Basic Configuration Viewing Port Sta t us and Configur ing Port Parameters Per - Port MD I Co nf igurati o n Figure 10-2. Example of Displayi ng the Current MDI Config uratio n Per - Port MDI Operati n g M ode Figure 10-3. Example of Displayi ng the Current MDI Opera ting Mode Not e Port Resp onse to Switch Software Updates ■ Seri[...]

Port Status and Basic Configuration Jumbo Packets o n the Serie s 2800 Switches W e b: V i ewing Port Status and Confi g uring Port Parameters In the web browser interface: 1. Click on th e Configuration tab . 2. Click on Port Configuratio n . 3. Selec t the ports yo u w ant to mo dify an d c lick on Modif y Selected Ports . 4. After you make the d[...]

Port Status and Basic Configuration Jumbo Packets on the Series 2800 Switches Te rminology Ju mbo Packet: On the Series 2800 switches, a n IP packet exceedi ng 1 522 bytes in size. The maximu m Jumbo packet size is 9220 bytes. (This size includes 4 bytes for the VLAN ta g.) Ju mbo VLAN: A VLAN configured to allo w inbound jumbo traff ic. All ports [...]

Port Status and Basic Configuration Jumbo Packets o n the Serie s 2800 Switches traffic from devic e s on either VLAN . For a method to al low only some ports in a VLAN to receive jumbo traf fic, refer to “Ope rating Notes fo r Jumbo T r affic-Handling” on page 10- 2 2. Configuring Jumbo Packet Operation Command Page show vlans 10-20 show vlans[...]

Port Status and Basic Configuration Jumbo Packets on the Series 2800 Switches V i ewing the Current Jumbo Configuration Syntax: show vlans Lists the static VLANs configured on the swit ch and includes a Jumb o column to ind i cat e wh ic h VLANs are configured to support in boun d jumbo t r affi c. All ports belongi n g to a jumbo-enabled VLA N can[...]

Port Status and Basic Configuration Jumbo Packets o n the Serie s 2800 Switches Indicate s which sta t ic VLA Ns are configured to enab le ju mbo packets. Figure 10-5. Example of Listing the VLAN Memberships f o r a Range o f Port s Syntax: show vlans < vid > This command shows por t membership and jumbo configuration for the specified < v[...]

Port Status and Basic Configuration Jumbo Packets on the Series 2800 Switches Enabling or Disabling Jumbo T r affic on a VLAN Syntax: vlan < vid > jum bo [ no ] vlan < vid > jumbo Configures the specified VLAN to allow jumbo packe t s on all ports on the switch that belong to that VL AN. If the VLAN is not already co nfigu red on the sw[...]

Port Status and Basic Configuration Jumbo Packets o n the Serie s 2800 Switches ■ Whe n a port is no t a membe r of an y jumbo - enable d VLAN , it dr ops a ll jumbo traffic . If the port is re ceiving “exc essive” inbound ju mb o traff i c, th e port generat e s an Event Lo g message to noti fy you of this condit i on. This same condit ion g[...]

Port Status and Basic Configuration Jumbo Packets on the Series 2800 Switches Jumbo-Enable d VLA N VL AN 10 Non-Jumbo VLAN VLAN 2 0 Por t 3 b e long s to both VLAN 10 and VLA N 20. Jumb o p acke t s received inbou nd on port 3 can be forwarded o u t the N on-Jum bo ports 4, 5, an d 6. 1 5 2 3 4 6 Figure 10-7. Forwardin g Jumbo Pac kets T h rough No[...]

Port Status and Basic Configuration QoS Pass-Through Mode on t he Serie s 2800 Switches T r oubleshooting A VLAN i s confi gured to allow jumbo packets, b u t one or more ports drops all i n bound j u mbo packe t s. The port may not be ope ratin g at 1 gig a bit or higher . Reg a rdl e ss of a port’ s co nfi g ura tio n, i f it is actuall y opera[...]

Port Status and Basic Configuration QoS Pass-Through Mode on t he Series 2800 Switches cant p e rformance i m pr ovement for high- b andw id th traffic f low s throu gh the 2800 swi tch es, particularly w h en running tra f fic flows from 1000Base to e i ther 100Base or 10Base connections. QoS Pass-Through mod e is OFF by defau lt, an d must be ena[...]

Port Status and Basic Configuration QoS Pass-Through Mode on t he Serie s 2800 Switches An 802.1Q VLAN tagged pack et carries an 8 02.1p priori ty setting (0-7). I f th e swi t ch rec e ive s a tagge d packet, i t is placed into the a p pr opriate queue based on the frame's 802.1 p pri o rity settin g. The mappi n g w i th/without QoS Pass- Th[...]

Port Status and Basic Configuration QoS Pass-Through Mode on t he Series 2800 Switches This com m and can be enab led and disabled only fro m the switch's CLI . Qo S pa ssthro u gh mode cannot be enabl e d or disabled through either the swi t ch's menu or web browser interfaces. Once e n abled, this feature a d ds qos-passthro ugh-mo de t[...]

Port Status and Basic Configuration Configuring Port-Based Priority for Inco ming Packets on the 4100gl and 6108 Switches Configuring Port-Based Priority for Incoming Packets on the 4100gl and 6108 Switches Fea t ure Default Menu CL I We b Assigning a priority level to traffic on the basis Disabled n/a pa ge 10-32 n/a of incoming port When network [...]

Port Status and Basic Configuration Configuring Port-Based Priority for Incomin g Packets o n the 4100 gl and 6108 Switches membe r of the VLAN, the packet carri e s its priority setting to the next, do wnstream device. I f th e outbound port is not configured as a tagged member of the VLAN, the n the ta g is stripp ed fr om th e p ack et, which th[...]

Port Status and Basic Configuration Configuring Port-Based Priority for Inco ming Packets on the 4100gl and 6108 Switches For example, suppose you hav e configured port A10 to assign a prio rity level of 1 (low): ■ An untagged pac k et coming into the swi t ch on port A10 and l eaving the switch th rough an y other p o rt con f igured a s a tagg [...]

Port Status and Basic Configuration Configuring Port-Based Priority for Incomin g Packets o n the 4100 gl and 6108 Switches ■ On a given po rt, an i nbound , tagged pac k et received on the port w i th a pre s et pri o rity of 1 - 7 in its tag k eeps that pri o rity and is assig ned an ou tbound queue on the basis of th at pr io rity (regardless [...]

Port Status and Basic Configuration Configuring Port-Based Priority for Inco ming Packets on the 4100gl and 6108 Switches For example, suppose yo u wanted t o configure ports A10 - A 12 on the swi t ch to prio ritize al l untagged, i nbound VL AN tra f fic as "Low" (priori t y level = 1; refer to tabl e 10-3 on page 10 -30). Por t s A 9 -[...]

Port Status and Basic Configuration Using Friendly (Optional) Port Names Using Friendly (Optional) Port Names Feature Default Menu CLI We b Configure Friendly Port Names S tandard Port n/a page 35 n/a Numbering Display Frien d ly Por t Names n /a n/a page 37 n/a This f eature enable s yo u to assig n alphan u meric port n ame s of yo ur choosin g t[...]

Port Status and Basic Configuration Using Friendly (Optional) Port Names ■ T o reta in fr iend ly port n a mes acr o ss r eb oots, yo u m u st save the current run ni ng-co nf ig uration t o the sta r tup-config file af ter enterin g the friendly port n ame s. (In the CLI, us e th e write mem o ry c o mmand.) Configuring Friendly Port Names Synta[...]

Port Status and Basic Configuration Using Friendly (Optional) Port Names Co nf iguri n g the Sa me Name for Multi p le Ports . S uppose that yo u wan t to us e ports A5 throu gh A8 as a t r unked l ink to a server u s ed by a draft i ng group. In this case yo u might con fig ure p o rts A5 t h rough A8 with the name “Draft-Server :T r unk”. Fig[...]

Port Status and Basic Configuration Using Friendly (Optional) Port Names Displaying Friendly Port Na mes with Other Port Data Y ou can display friend ly port n ame da ta in the fol l owing combi n ations: ■ show name : Di splays a listing of port nu mbe rs w i th their corre s ponding friendly po rt na mes an d also q u ickly shows y ou which po [...]

Port Status and Basic Configuration Using Friendly (Optional) Port Names Port Withou t a "Fr ie ndly" Name Frien dly port names as signed in previous examp l es. Figure 10-13. Example of Frien d ly Port Nam e Data f o r Spe c ific Ports on the Swi t ch Inclu d in g Fr ie ndl y Port Na me s i n Per - Port Statistics L i stings. A friendly [...]

Port Status and Basic Configuration Using Friendly (Optional) Port Names For a given port, if a friendly port na me doe s not exist in the runni ng- config file, th e Name line in the above command output ap pears as: Name : not assigned T o Sea r ch the Configurati o n f o r Ports with Fri e ndly Port Name s. Thi s option te ll s yo u which fr ien[...]

Port Status and Basic Configuration Using Friendly (Optional) Port Names — Th is page is intentionally unuse d. — 10-4 0[...]

11 Power Over Ethernet (PoE) Operation for the Series 2600-PWR Switches Contents Applicable Switch Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-2 General Operat i on . . . . . . . . . . . .[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches Applica b le Switch Models Applicable Switch Models The P o wer O v er Ethernet (Po E) fe at ur e describ ed in this chap ter o pe rates on these switc hes: ■ HP ProCurv e Switch 2626-PWR (J8164A) ■ HP ProCurv e Switch 2650-PWR (J8165A) Introduction PoE technolo gy allo ws[...]

Power Over Ethernet (P oE) Operation for the Se ries 2600-PWR Switches Terminology ■ Enabl e or di sable PoE operat i on on individ u al ports. (I n the defaul t configuration, the swi t ch enables PoE on a ll 10 /10 0 -TX ports, sub ject to PoE priorit y in the ca se of oversubscri pti on of PoE resou r ces. ) ■ Monitor P o E stat us an d perf[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches General Po E Operation Te rm Use in this Manual MPS Maintenance Power Signature; the sign al a PD sen d s to th e switch to indicate that the PD is co nnected and requir es power . Refer to figure 3 on page 14. PD Powered Device. This is an IEEE 802.3af-compliant device tha t [...]

Power Over Ethernet (P oE) Operation for the Se ries 2600-PWR Switches General PoE Operation li nks. Thu s , you can co nnect ei th er a non- PoE devic e or a PD to a PoE-enable d po rt wi t hout reconfigur ing the port. PD Support The switch must hav e a minimum of 15 .4 watts o f unused PoE p o wer avail a bl e when you connect an 802.3af- c omp [...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches General Po E Operation Disconnecting a PD from a port causes th e swi t ch to stop pro vid ing P o E power to that port and makes the p ower avai labl e to ot her ports conf igur ed fo r Po E operation. If the PoE dema nd becomes grea ter tha n the available pow er , the switc[...]

Power Over Ethernet (P oE) Operation for the Se ries 2600-PWR Switches General PoE Operation ■ The number of switches drawing ex ternal PoE pow e r from the HP 600 RPS/EPS or HP 6 10 EPS unit. If onl y a single swi tch is using external PoE pow e r the H P 60 0 RPS/ EPS or HP 6 10 EPS provi des 4 08 watts of PoE pow er . If two swi t ches are usi[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches General Po E Operation T able 2. Exampl e of PoE Priority Ope r ation Port Priority Setting Configuration Command 1 and Resulting Operation 25 - 48 Critical This priority class alway s receives power . If there is not enough power to provision PDs on all of the ports configure[...]

Power Over Ethernet (P oE) Operation for the Se ries 2600-PWR Switches Configuring PoE Operation Configuring PoE Operation In its defau lt co nfigu r ation, PoE su p por t is e nabled on the switch ’ s 10 /100Ba se - TX ports, with Priori ty set to Low an d the powe r threshold set to 80 (%). Syntax: powe r threshold < 1 - 99 > The power th[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches Configuring PoE Ope r ation Syntax: inter f ace [e] < port -list > powe r [ c r itical | high | low ] Reconfigures the PoE priority level on < port-list >. For a given level, the switch autom a ticall y prioritiz e s po rts by port number (in ascending order). If t[...]

Power Over Ethernet (P oE) Operation for the Se ries 2600-PWR Switches Viewing PoE Configuration and Status V i ewing PoE Configuration and Status Displaying the Switch’ s Global PoE Power Status Syntax: show p o wer - m anageme nt Displays the switch’ s global PoE power status, i n cluding: • Max P o wer: Lists the maximum PoE wattage availa[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches Viewing PoE Configuration and Status Displaying an O v erview of PoE Status on All Ports Syntax: show p o wer - m anageme n t brief Displays the followin g port power status: • • • • • Port: Lists all PoE-capable ports on the s w itch. Power Enable: Show s Ye s for p[...]

Power Over Ethernet (P oE) Operation for the Se ries 2600-PWR Switches Viewing PoE Configuration and Status Displaying the PoE Stat us on Specific Ports Syntax: show power-management [e] < po rt-list > Displays the following PoE status and statistics (since the last reboot) for each port in < port-list >: • Power Enable: Show s Ye s f[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches Viewing PoE Configuration and Status • Power Denie d Cnt : Shows the number of times PDs requesti ng power on the port have been de nie d due to insufficient power available . Each occurrence gen erates an Event Log message. • V oltage: The tota l voltage, in dV , bei ng d[...]

Power Over Ethernet (P oE) Operation for the Se ries 2600-PWR Switches Plannin g and Imple men ti ng a PoE Configuration Planning and Implementing a PoE Configuration Thi s section provides an overview of some considerati o ns for pla n ning a PoE app lic at i on. For addi tional i nfo rmat i on o n this t opic, ref er to t h e HP ProCurve PoE Plan[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches PoE Ope r ating Notes PoE Operating Notes ■ Si mp ly di sabl ing a Po E p ort does not affect pow er del i very throug h that port. T o cycle the pow e r on a PD rece iv ing pow er fr om a Po E po rt on t h e switch, d i sabl e, t h en re- e nable t h e power t o th at p o r[...]

PoE Event Log Messages PoE operat i on ge ne ra tes these Ev ent Lo g messages. Y o u c an also config ure the switch to send these messages to a con fig ured debu g destinati on (terminal devic e or SyslogD server . I 1 MM/DD/YY HH:MM:SS chassis: Message header , with seve r ity , date, system time, and system module type. For more informatio n on[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches PoE Eve n t Log Messages W MM/DD/YY HH:MM:SS chassis : Message header , with seve r ity , date, system time, and system module type. For more informatio n on Event Log operation, refer to the “T roubleshooting” appe nd ix i n the Management and Configuration Guide for your[...]

Power Over Ethernet (P oE) Operation for the Se ries 2600-PWR Switches PoE E v ent Log Messages Port < po rt-# > PD MPS Absent indication. The switch no longer detects a de vice on < port-# >. The device may have been disconnected, powered down, or stopped functioning. Port < po rt-# > PD Other Fault indication. There is a problem[...]

Power Ove r Ethernet (PoE) Ope r atio n for the Series 2600-PWR Switches PoE Eve n t Log Messages — Th is page is intentionally unuse d. — 11-2 0[...]

12 Port T r unking Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2 Port Status and Co nfigu r at i on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2 Port Connect ions and Conf igurat i on . . . . . . . . . . . . . . . . . . . . . . . . . . 1[...]

Port Trunking Overview Overview Thi s chapter describes creating and mod i fying port tru nk groups. This in cludes n on-pr otocol tr unks, LACP (802.3ad) tru nks , and FEC t ru nks. Port Status and Configuration Feature Default Menu CL I We b viewing port trunks n /a page 12-10 page 12-12 page 12-18 configuring a static trunk none pag e 12-10 page[...]

1 2 3 4 5 6 7 1 2 3 4 5 6 7 Port Trunking Port Status and Configuration Switch 1: Ports c1 - c 4 configure d as a port trunk grou p. The multiple phy sic al links i n a tru n k behave as one logic al li nk port c port c port c port c port c port c port c . . . port n port a port a port a port a port a port a port a . . . port n Switch 2: Por t s a2[...]

Port Trunking Port Status and Configuration For example: HPswitch(config)# trunk 1-8 trk1 This command is valid in all cases (swi t ching or routi n g) because all of the ports are in the same port group. HPswitch(config)# trunk 9-14 trk2 This command is NOT valid if IP routing is enabled on the switch (because the selected ports are in di fferent [...]

Port Trunking Port Status and Configuration Caution T o avoid broadca s t storms or loop s in your network wh ile confi g uri ng a tr unk, f i rst d i sab l e or disco nne ct al l ports you want to add t o or remove fro m the tru nk. After yo u c onfig ure the tr unk, enabl e or re-connect t h e p o rts. Port T r unk Option s and Operation Th e swi[...]

Port Trunking Port Status and Configuration 1. Go to the port context fo r port s c1 - c4 an d disable these ports. HPswitch(config)# interface c1-c4 HPswitch(eth-c1-c4)#_ HPswitch(eth-c1-c4)# disabl e 2. Change all four ports to LACP- p assive and re- e nable the ports. HPswitch(eth-c1-c4)# lacp passive HPswitch(eth-c1-c4)# enable Not e If you cha[...]

Port Trunking Port Status and Configuration T able 12-2. T r unk Configu ra tion Protocol s Protocol T r unking Options LACP (802.3ad) Provides dynamic and static LACP trunking options. • Dynamic LACP — Use the switch-negotiated dy na mic LACP trunk when: – The port on the ot her end of the trunk link is configured for Active or Passive LACP [...]

Port Trunking Port Status and Configuration T able 12-3. General Operating Ru les f o r Port T ru nks M edia: All p o rts on both ends of a tru n k group must have th e same media type and mode (speed and duplex). The switch bl ocks any tru n ked links that do not conform to this rule . (F or the switches cove r ed in this guide, HP recommends leav[...]

Port Trunking Port Status and Configuration T r unk Group Boundary Requirement for the Series 4100gl Switch 10/100/1 000 Module (J 4908A): T r unks must be created , manually or dynamically , with ports fr om the same gr oup, Group1 or Group2. Group1 : Ports 1- 5, 7-11 , 16 Group2 : Po rts 6, 12-15 , 17 -2 2 For example, a tru n k made up of ports [...]

Port Trunking Port Status and Configuration Menu: V i ewing and Configur ing a Static T r unk Group Importan t Con fig ure p o rt tr unking before yo u connect the trunked links to another swi t ch, routing swi t ch, or serv er . Otherwise , a bro ad cast st orm could occu r . (If you need to con n ect the port s before configuring them fo r tru nk[...]

Port Trunking Port Status and Configuration • All ports in a tr un k mu st have the sam e media type an d m ode (s uch as 10/100TX set to 100FD x, or 100FX set to 100FD x). The flow control settings must also be the same for a ll ports in a gi ven trunk. T o ve rify these settings, see “View i ng Port St atus and Conf igur in g Port Param- eter[...]

Port Trunking Port Status and Configuration Duri ng th e Sa ve process, t r af fi c on t he po rts configu r ed for tr unking wi ll be delayed f o r sev e ral sec onds . I f th e S panning T ree Pr otoc ol i s ena bled, th e del ay may be up to 30 seconds. 8. Con n ect the tru nked ports on the swi t ch to the correspond ing ports on the opposite d[...]

Port Trunking Port Status and Configuration Using a p o rt list spe c ifies, for sw itc h po rts in a static t runk gro up, only th e po rts you want to view . In this case, the command specifie s ports A 5 through A7. However , becau se p ort A6 is not i n a static trunk group, i t does not appear in th e resultin g list ing: Por t A5 appears with[...]

Port Trunking Port Status and Configuration Listing Static LAC P and Dynamic LACP T r unk Data. This command lis ts d a ta f or only t h e LACP- c onfi gured ports. Syntax : show lacp In th e f ollo wi ng example, ports A1 and A2 have been previ ous ly con fig ured fo r a stati c LACP t r unk. (For mor e on “Active”, see ta ble 12-5 on page 12-[...]

Port Trunking Port Status and Configuration “Up” Li nks Standby Link Figure 12-9. Example of a Dyn a mic LACP T r unk with One St andby Link Using the CLI T o Configure a Static or Dynamic T r unk Group Important Con fig ure p o rt tr unking before you connect the trunked links between switches. Otherwise, a br oadcast sto rm coul d occur . (If[...]

Port Trunking Port Status and Configuration Confi gur ing a Sta t ic T r unk, Sta t ic FEC, o r Stati c LA CP T r unk Group . For 2600, 2600-PWR, 410 0gl, and 6108 switches: Syntax : trunk <po rt-list> < trk1 | trk2 | tr k3 | trk4 | trk5 | tr k6 > < tr un k | fec | lacp > For 2800 switches: Syntax : trunk <port-list> < tr[...]

Port Trunking Port Status and Configuration Switch “A ” with port s set to LACP passi v e (th e default). Switch “B” with ports set to LAC P passive (the default). Dy namic LACP tru n k c an not auto mat icall y for m b ecause both e nds o f the l inks are LACP pa ssi v e. (In thi s case STP blocking is n eeded to pr even t a loop. Switch ?[...]

Port Trunking Port Status and Configuration Syntax : no interfac e <port-list> lacp In this examp l e, port C6 belongs t o an operat in g, d y nami c LACP t r unk. T o remove p o rt C6 from th e dynamic tr un k and ret u rn it to passive LACP , you w ould do the follow in g: HPswitch>(config)# no interface c6 lacp HPswitch>(config)# int[...]

Port Trunking Port Status and Configuration Not e Dynamic LACP tru nks operat e onl y in the default VLAN ( unless GVRP is enabled and Forbid is us ed to pr event th e t r unked ports fro m joining th e defaul t VLAN ). Thus, if an LACP dynamic trunk forms using ports that are not in the default VLAN, th e tru nk will automatic a lly move to the d [...]

Port Trunking Port Status and Configuration T able 12-4. LACP T ru nk T y pes LACP Port T r unk Configuration Ope r ation Dynamic LACP This option automat ically establishes an 802.3ad-compl i ant trunk group, with LACP for the p o rt T y pe parameter an d DynX for the port Group na me, where X is a n automatically a s signe d value from 1 to 6 (26[...]

Port Trunking Port Status and Configuration Default Port Operation In th e d efa ul t configurat i on, all po rt s are configured for passive LACP . How - eve r , if LACP is not config ured, the port will not try to detect a trunk co nfi g- ura t ion a n d w ill operate as a standard, untrunked port. Not e Passive a nd active L ACP p ort wil l pa u[...]

Port Trunking Port Status and Configuration T able 12-5. LACP Port Status Data Status Name Meaning Port Numb Shows the phy sical port nu mber for each port c onf igured fo r LACP operation (C1, C2, C3 . . .). Unlisted port nu mbers indicate that the missin g ports are assigned to a static T run k group, an FEC trunk group, or are not configured for[...]

Port Trunking Port Status and Configuration LACP Notes and Restrictions 802.1X ( P ort-Based Access Contro l) C onf ig u r ed on a Port. To main- tain sec u rit y , L ACP i s not a llo wed on ports configured for 802.1 X au the n ticator operation. If yo u co nf igur e port secur ity on a port o n whic h LACP (act iv e o r passive) i s configured, [...]

Port Trunking Port Status and Configuration Sta t ic LACP T r unks. Where a port is configured for LACP (Ac t ive or Passive), but does n ot belo ng to an exi sting tr unk group, you can add that por t to a stati c tr unk. Doing so di sables dynami c L ACP on t h at port, whi c h means you must manuall y configure both end s of th e tr un k. Dynami[...]

Port Trunking Port Status and Configuration Half-Dupl e x and/or Dif f eren t Port Spe e ds Not Allowed in LACP T r unks. Th e ports on both sides o f an LACP tru nk must b e conf igur ed f or the same speed and for fu ll-duplex (FDx ). The 802. 3a d LACP standard speci - fi es a ful l- duplex (FDx) requ ir emen t for L A CP trunkin g. A port confi[...]

Port Trunking Port Status and Configuration ■ Depending o n th e cap abilitie s of th e device on t h e other end of the trunk, negoti ate the forwa rding mechan ism on the tr un k to the non -p rotoc ol op tion. ■ When auto -n ego tia ted to the SA/ D A forward ing mechan is m, provi de hi gher perfo r mance on the tr un k fo r bro adc ast , m[...]

Port Trunking Port Status and Configuration source address to th e sam e desti n ati o n add r ess throu gh th e same trunked l i nk, and sends traffi c fr om the same sou r ce address to a differen t desti n atio n address t h rough a diff erent lin k, depend ing on the ro ta ti on of path assig n- ments among t h e links in the t r unk. L ike wis[...]

Port Trunking Port Status and Configuration — Th is page is intentionally unuse d. — 12-2 8[...]

13 Configuring for Network Management Applications Contents Usi n g SNMP Tools To Manage th e Switch . . . . . . . . . . . . . . . . . . . . . . . . . 13-3 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3 SNMP Manageme nt Fea t ures . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

Configuring for Network Manageme nt Applications Conte n ts Configuring CDP Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-34 Effect of Spanning Tree (STP) On CDP Packet Transmissi on . . . . 13-3 6 How the Swi t ch Selects the IP Ad dr ess To Include in Out bo und CDP Packets . . . . . . . . . . . . . . . . . . . . [...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch Using SNMP T ools T o Manage the Switch Overview Y ou ca n manage the switch vi a SNMP fr om a net w ork m ana gement st atio n running an a p plication such a s HP Pr oCurve Manager (PCM) or HP ProCurve Manager Plus (PCM+). For more on PC M and PCM+, visit the H[...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch SNMP Management Features SNMP manageme nt feature s on the switc h include: ■ SNMP versi on 1, versi o n 2c or version 3 ove r IP ■ Security via configuration of SNMP communitie s (page 13 -4) ■ Security vi a authentic a tion and privacy for SNMP V e rsion[...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch If you w a nt to restrict acce ss to one or more specifi c nodes, y o u can use the swi t ch ’ s IP Auth oriz ed Mana ger feature. (R efer to the Access Security Gui de fo r your swit ch.) Caution The “public” co m m unit y exists by defaul t and is used by[...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch SNMP V e rsion 3 Commands SNMP versi on 3 (SNMPv3) adds a ne w comma n d to the CLI for configuring SN MPv3 func tio ns . T o ena ble SM NPv3 ope r ati on on the switch y ou must: a. Enable SNMPv3 wi th the snm p v3 enable command . A n initial us er entry will [...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch SNMPv3 Enable Th e snm p v3 enable command starts a dial og t h at perform s three function s: enabling the switch to receive SNMPv 3 messages, configuring the initial users, and, optional ly , t o restrict non version- 3 messag e s to “rea d onl y ”. Figure [...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch SNMP V e rsion 3 Users The second step to us ing SNMPv3 on t he swi t ch i s to c o nfi g ure the use rs that you assign to different groups. T o esta blish users on the switch: a. Add the use rs to the User ta ble. This is d one with th e snmpv3 user co mmand. [...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch [ no] snmpv3 group group_nam e u ser user_name sec-m odel <ver1| ver2c | ver3> (— Continued —) use r use r_ name Thi s is the user to be added to the acces s group. This must match the user name added with the snmpv3 user command . sec - model < v er[...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch The n you must set the group a ccess level to the user . Thi s is done w i th the snmpv3 group command . Fo r more detai l s on th e MIBs access for a giv e group see “Group A ccess Levels” on page 13-11 . Add N e tworkAdmi n to operator n oauth g ro up A dd[...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch Group Access Levels The swi tch supports ei ght predef ined group a ccess levels. There are four lev e ls for use with version 3 use r s a nd four a re use d for access by version 2c or versi o n 1 manag e ment applications. Group Name Group Access T y pe Group R[...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch SNMP Communities SNMP commuities are supported by th e switch to allow management applica - tion that use version 2c or ve rsion 1 to access the switch. The co mmunities are mapped to G r oup Access Le vels that are use d for version 2c or ve rsion 1 support. Fo[...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch Figure 13-4 shows the assig ning of th e Operator communi t y on MgrStation1 to th e CommunityOpe r atorR eadWr ite group. An y other Operator o nly has an access level of Com m unityOperat orReadOnly . Add map ping to allo w wri t e access for Operator commu ni [...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch Caution Delet ing or changi ng th e co mmunity n amed “publ ic” prevent s net w ork m an- agement applications (suc h as auto-discovery , traffic m o nitorin g , S NM P trap generation, and threshold se tting) from opera t ing i n the switch. (Changing or de[...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch If you are adding a comm un ity, th e fiel ds in this scre en are bla n k. If you are editing an exi s ting commu n ity , the values for the currently sel ect ed Community appear in the fields. T y pe the value for this field. Use the Space bar to sel ect values [...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch CLI: V i ewing and Configuring SNMP Community Names Community Name Command s P age show snmp-server [<community- s tring> ] 1 3-16 [no] sn mp-server 1 3-17 [commun i ty <community-str>] 13-17 [host <community-str> <ip-addr>] 13-2 2 [<n[...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch Confi gur ing Community Names and V a lues. Th e snmp-server command enables y o u to add SNMP communities w i th either defa ult or specifi c access attributes, a nd to dele te speci fic c o mmunities. Syntax: [ no] snmp-server community < c o mm unity-name &[...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch SNMP Notification and T r aps The switches covered i n this guid e support the SNMPv3 notificat i on p r ocess. They also supp ort version 1or version 2c traps . For m o re i nfo rmat i on on version 1o r version2 c traps, see “T ra p Features” on pag e 13-2[...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch [ no] snmpv3 targetaddre ss < addr -name > param s < parms-name > < IP-Addr > ( — Con t inued — ) max-msg - size< s ize > The maximum number of bytes of len gth a mes s age to this target ca n be. ( D e fault:1472) t aglist < tag-pa[...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch T r ap Features Feature Def a ul t Menu CLI We b snmp-server host (trap receiver) public — page 13-22 — snmp-server enable (au t hentication trap) none — p age 13-23 — A trap receive r is a management stati o n design ated by the swi t ch to rec e iv e S[...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch Using the CLI T o List Curre nt SNMP T r ap Receivers. Thi s command lists the c u rrently configur ed trap receive rs and the setting for authentication traps (along wit h t h e current SNMP com m unit y na me d ata — see “SN M P Communi tie s” on page 13 [...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch Configuring T r ap Receiv ers. This co mmand specifie s trap receive r s by communi ty membership , mana gement stat i on IP address, and the type of Eve nt Log messages to send to the trap rec e iver . Not e If you spec ify a c o mmunity name tha t doe s not ex[...]

Configuring for Network Management Applications Using SNM P Tools To Manage the Switch For example, to configur e a trap receiver in a co mmunity n a med "r ed- t eam" with an IP address of 10.28.227.130 to receive only "critic a l" l og messa ges: HPswitch(config)# snmp-server trap-receiver red-team 10.28.227.130 critical Not e[...]

Configuring for Network Manageme nt Applications Using SNMP Tools To Manage th e Switch Advanced Management: RMON Th e swi t ches covered in this gui d e support RMON (Remote Monitoring) o n all co nne c ted network segments. This al lows fo r tro uble s hooting and op timiz- ing your network . The f ollow in g RMON groups are supported: ■ Ethern[...]

Configuring for Network Management Applications CDP CDP CDP Features Feature Default Menu CL I We b view the switch’ s CDP configuration n /a — pa ge 13- 32 — view the switch’ s CDP Neighbors table n /a — pa ge 13- 32 — clea r (reset) th e CDP Neighbors table n /a — pa ge 13- 33 — enable or di sable CDP on the switch enabled — pa [...]

Configuring for Network Manageme nt Applications CDP An SNMP util it y can p r ogressivel y discover CDP d e vices in a net w ork b y: 1. Reading a given devi ce’ s CD P Neighb or table (in the Management Infor- mation Base, o r MIB) to learn ab out o t he r , ne ighbor CDP d evice s 2. Using the informat ion learned in step 1 to g o to and read [...]

Configuring for Network Management Applications CDP General CDP Operation Th e swi tch sto res info rmatio n ab out adjacent CDP devices in a CDP Neigh- bors table maintained in the swi t ch’ s MIB (Management Informa t ion Base). Thi s data is available to SNMP- bas ed ap plicati o ns de signed to rea d CDP data from the MIB . For exampl e: Swit[...]

Configuring for Network Manageme nt Applications CDP Switch "A " Switch wi th CDP Running an d Forwarding CDP Packets to Do wn- stream De vices Switch "B " CDP-A w are Switch with CDP Running Switch "C" CDP-A w are Switch with CDP Disabled Router "Y " With CD P Di sab l ed or Nonexistent De vice "Z "[...]

Configuring for Network Management Applications CDP and “E” ar e not neig hbors becau se th e in terveni n g CDP-disab l ed swi t ch “D” does not forward CDP packets; i.e. is no t tra n sparent to CDP traffic. (For the same reason, switch “ E ” does no t have an y CDP nei gh bors.) CD P Switch "A " (CD P Run n ing) CDP Neighbo[...]

Configuring for Network Manageme nt Applications CDP Using the example in figu re 13-12, the CDP Ne ighbor tabl e for switc hes “A” and “B” wo uld appear similar to these: Switch A: Switch B: (No t e that n o CDP d e vic e s appear on port B5, whi ch is connected to a d e vic e on which CDP i s present, but disable d.) Figure 13-13. Example[...]

Configuring for Network Management Applications CDP CDP -di sable d switc h ) do es no t fo rward CDP packets; i.e. is not transpa rent to CDP traffic. (For the sam e reaso n , switch “E” does not have any CDP neig hbors.) Figure 1 3 -12 (page 13-29) illustrates ho w mult iple CDP neigh bor s ca n appear on a singl e port. In this case, switch [...]

Configuring for Network Manageme nt Applications CDP V i ewing the Switch’ s Curre nt CDP Configuration Syntax: show cd p Lists the switch’ s global an d per - port CDP confi gur ati on. Thi s example shows the de fau lt CD P config uration. CDP Enable/Di sable on the Switch Pac ket Ho ld T i me in CDP Neighbor T able Interval for T r ans mitti[...]

Configuring for Network Management Applications CDP Figure 13-15 lists six C D P device s (fou r swi t ches a nd tw o workstations) that the swi tch ha s detected by receiving their CD P packets. Figure 13-15. Example of CDP Neighbors T able Listi ng Figure 13-16 illustra tes a topology of CDP-en abled devices f o r t he CDP Neigh - bors tab l e li[...]

Configuring for Network Manageme nt Applications CDP Note that the table will again li st en tr ie s aft er th e swi tch receives n e w CDP packets fro m neighborin g CDP d e vic e s. Figure 13-17. Vi ew o f the CDP Neighbors T abl e I mmed i ately Aft e r Executin g cdp cle ar Configuring CDP Operation Enabling or Disab ling CDP Operati o n o n th[...]

Configuring for Network Management Applications CDP Enabling or Disab ling CDP Operati o n o n Indi vi dual Ports. In th e fa ctory-defaul t conf igur ati on, th e swit ch ha s all ports enabled and transmit- ting CDP packets. Disab lin g CDP on a po rt preven ts that po rt fr om sending ou tbound CDP packets an d causes i t to dr op i nbound CDP p[...]

Configuring for Network Manageme nt Applications CDP Changing the T r ansmission Interv al for Outboun d CDP Packets. Syntax: cdp tim e r < 5 . . 254 > Changes the i n terval the switch uses to transmit CDP packets describing itself to neighbor devices. (Default: 60 seconds) For example, if the sw it ch’ s tra n smit i n terval fo r CDP pac[...]

Configuring for Network Management Applications CDP Switch "A " CDP Enabled CDP Neighbor T able Port | Da ta - -----|-------- ---------- A3 | Swi tch "B"data C5 | Switch "B" data Switch "B" CDP Enabled STP Root Device CDP Neighbor T able Port | Da ta - -----|-------- ---------- B1 | Switch "A" data [...]

Configuring for Network Manageme nt Applications CDP 4. If a CDP switch does not dete ct an IP address on the connecting port of a CD P neighbor , then the loopbac k IP address is use d (127.0.0.1). For example, in fi gu re 13 -2 0, po rt A1 on CD P swit ch “X” is connec ted to port C5 on CDP n eig hbor swi t ch “Y”, wi th the indicated VLA[...]

Configuring for Network Management Applications CDP T able 13-4. CDP Neighbors Data CDP Neighbor Data Displ a yed Neighbors T able MIB Address T y pe CDP Cache Address Software V e rsi on Device Name (ASCII str i ng) Device MAC Address Destina t ion Por t Number Source Port Number Product Name (ASCII string) Capability Code (Device T y pe) No Y es [...]

Configuring for Network Manageme nt Applications CDP T he first n u mber after th e MIB str ing is the swi t ch port on whic h th e data point for that entry wa s received. In thi s ca se, the switch CDP packets o n ports A 1 and A 3. (Fo r CDP pur pose s, port numbering i s co nsecuti ve, from 1 to n, whe re n is the last consecutive port on the s[...]

Configuring for Network Management Applications CDP CD P-Capa bl e H u bs . Some hubs are capabl e of runnin g CDP , but also forwa r d CDP packets as if the hub it sel f we re transpa r ent to CDP . Such hubs will app ear in the switch’ s CDP Nei g hb or tab le and w il l also m a int ain a CDP neig hbor tabl e simi la r t o th at for switches. [...]

Configuring for Network Manageme nt Applications CDP — Th is page is intentionally unuse d. — 13-4 2[...]

A File T r ansfers Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Downloading Switch Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-2 Gen e ral Sw itc h Softw a re Download Rule s . . . . . . . . . . . . . . . . . . . . . A-3 Using TFT[...]

File Tra n sfers Overview Overview Y ou can download new swi t ch sof twa re and uplo ad o r do wnload switch configu r ation fi les. These features are useful fo r acquirin g periodic switch software upgrad es and for stori n g o r retrieving a swi t ch configurati o n. Thi s ap pendix inclu de s t he fo llowing info rm ation: ■ Downloading swi [...]

File Transfers Downloading Switch Software General Switch Softwa re Download Rules ■ A switch softw a re i ma ge downloaded through the menu interface always goes to primary flash. ■ Aft e r a switch so ftwa re down load , you mu st reb oot the switc h to imple- ment th e n ewly downloaded code. Unti l a reboot occurs, th e swi t ch continues t[...]

File Tra n sfers Downloading Switch Software Not e If yo ur TF TP serve r is a Unix wo rkstati o n, ensure that the case ( u pper or lower) that you specify for the filename is the same case as the characters in the swi t ch software filenam es on the s erver . Menu: TF TP Download from a Server to Primary Flash Note tha t the menu interface ac ces[...]

File Transfers Downloading Switch Software Progress B ar Figure A-2. Examp l e of the Download OS Screen Durin g a Dow n load A “progress” bar i n dicates the progre ss of th e download . Whe n the entire swi tch softw a re file ha s been received , all activi t y on the swi t ch halts and yo u w ill see V a lid ating and writing sy ste m softw[...]

File Tra n sfers Downloading Switch Software CLI: TF TP Download from a Server to Primary or Secondary Flash This c o mmand a uto mati cally do wn load s a switch sof t ware imag e to primar y or secondar y flash. Syntax : copy tftp flash < ip-address > < remote-os-file > [< primary | secondary >] Not e that if you do no t speci f[...]

File Transfers Downloading Switch Software Using Secure Copy and SF TP This fea t ure is ava i lable onl y on t h e Series 2 600 , 2 600-PW R , and 280 0 Switches. For some situ at i ons yo u ma y want to use a secure method to i ssue co mma nds or copy f ile s to th e switc h . By open ing a secure, e n cry p ted SSH session you can then use a thi[...]

File Tra n sfers Downloading Switch Software Note SF TP o ver SSH v e rsio n 1 (SSH v1 ) is no t supporte d . A request from either the client or the switch (or both) using SS H v1 ge nerate s a n error message. The act ua l text of the erro r m e ssag e differ s, depend ing on the client so f twa re in use . Some examples are: Protocol major versi[...]

File Transfers Downloading Switch Software The SCP/SF TP Process T o us e SCP an d SF TP: 1. Open an SS H sessio n as yo u norm ally would t o est a blis h a secure encrypte d tunnel betwe e n y o ur co mputer and the switch. For more detailed di rect ions o n ho w to open an SSH session see the chapter titled “Configuring Secure Shell (SSH)” i[...]

File Tra n sfers Downloading Switch Software Authentication Switch memo ry allo ws up t o te n pub lic key s . Thi s mea n s the authentic a tion and encryption keys yo u us e f o r your th ird-party cli ent SC P/SF TP software can differ from the keys yo u use for th e S S H session, even t hough both SCP and SF TP use a secure SSH tunne l. Not e [...]

File Transfers Downloading Switch Software ■ All files have rea d-w rite permission. Sev e ral SF TP c o mmands, such as create or remove , a re not all owe d a nd return an e r ror message. The swi tch displays the follow ing fil e s: / +---cfg | running-config | startup-config +---log | crash-data | crash-log | event l og +---os | primary | sec[...]

File Tra n sfers Downloading Switch Software 1. From the console Main Menu, select 7. Downloa d OS 2. Press [E] (for E dit ). 3. Use the Space ba r to select XMO D EM in the Method field . 4. Press [Enter] , then [X ] (for eX ecute ) to begin th e sw itch software d o wnload . The fol l owing messag e then appears: Press enter and the n initia te X[...]

File Transfers Downloading Switch Software Not e that if you do no t speci fy th e flash d e st in ati on, th e Xmodem download default s to pr im ary flash. For example, to downl oad a swi tch sof t ware file name d G0103.swi from a PC (runnin g a termin al emu l ator pro g ram such a s Hy perT erminal) to primary flash : 1. Execute the fol l owin[...]

File Tra n sfers Downloading Switch Software Switch-to-Switch Download Y ou can use TF TP to tr ansfer a switch software fi le between two HP ProCurve swi t ches that use the same software code base. The menu in terface enables you to transfe r pr imary-to-primary or secondar y- to-primary . The CLI ena bles all co mbinati o ns of flash location op[...]

File Transfers Downloading Switch Software General Sy stem Inf o rmati on b. Check the Firmware revision line. CLI: Switch-T o-Switch Downloads Y ou can download a swit ch software file be tween two swi tch es that use th e same cod e base and which are connect ed on your LAN. T o do so, u se a c opy tft p command from the destin ati on switch.Th e[...]

File Tra n sfers Downloading Switch Software If yo u do not spe c ify eithe r a primar y or secondary flash loca tion for the desti n ation, the do wnlo ad automaticall y go es to primary flash. For example, to dow n loa d switc h softwa re from secondary flash in a switc h wit h an IP address of 10.28.227.103 to the secondary f l ash in the desti [...]

File Transfers Tr oubleshooting TFTP Downloads T r oubleshooting TF TP Downloads When using the menu interface, if a TF TP d ownload fa ils, th e Downlo ad OS screen indicates the fai l ure . Message Indicati ng c ause of TF TP Download Failur e Figure A-7. Examp l e of Message for Download Failure T o find more in formation on the cause of a downl[...]

File Tra n sfers Transferring Switch Configurations ■ For a Unix TF TP server , th e f i le perm i ssions for the switch software f ile do not allow th e file to be copi ed . ■ Anothe r con sol e session (thro u gh e i ther a dire ct connection to a termi nal devic e or through T e lnet) wa s alre ady running when you started the session in whi[...]

File Transfers Transferring Switch Con f igurations TF TP: Copying a Configuration File to a R e mote Host. Syntax: copy < sta r tu p-config | running- config > tftp < ip-add r > < rem o te-file > This command copies th e swi t ch’ s startup configurat ion (st a rtup-co n fi g fi le) to a remote TF TP ho st . For example, to upl[...]

File Tra n sfers Transferring Switch Configurations Xmodem: Cop ying a Confi gur ation Fi le from a Seria lly Connecte d PC or Unix W o rks t ation. T o use this method, the switch must be conne c te d vi a the serial port to a PC or Unix workst ati on on w hich is stored t he confi g uratio n file you want to copy . T o complet e th e copyi n g, y[...]

File Transfers Copying Diagnostic Data to a Remote Host, PC, or Unix Workstation Copying Diagnostic Data to a Remote Host, PC, or Unix W o rkstation Y ou can us e the CLI t o co py the follow ing types o f switc h da ta to a tex t f ile in a management device: ■ Com m and Output : Send s the output of a swi t ch CLI com m and as a fi le on the de[...]

File Tra n sfers Copying Diagnostic Data to a Remote Host, PC, or Unix Wor k station Copying Event Log Output to a Destination Device This com m and uses TF TP or Xmo d em to copy th e Event Lo g content to a PC or UNIX workstation on the network. Syntax : cop y event-log tftp < ip-ad d ress > < filepath and filen a me > copy event-log [...]

File Transfers Copying Diagnostic Data to a Remote Host, PC, or Unix Workstation Copying Crash Log Data Content to a Destination Device This com m and uses TF TP or Xmo d em to co py the Crash Log content to a PC or UNIX wor k statio n on th e n etw or k. Y ou can cop y i ndivid u al slot info rmat i on or the maste r switch informati o n. If you d[...]

File Tra n sfers Copying Diagnostic Data to a Remote Host, PC, or Unix Wor k station — Th is page is intentionally unuse d. — A-24[...]

B Monitoring and Analyzing Switch Operation Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-3 Status and Counters Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-4 Menu Access To Stat us and Counters . . . . . . . . . . . . . . . . . .[...]

Monitor i ng and Analyzi ng Switch Operation Conte n ts Switch 6 108 and Serie s 4 100gl Switches . . . . . . . . . . . . . . . . . . . . . . B-2 4 Series 2600, 2 600-PWR, and 2800 Swi t ches . . . . . . . . . . . . . . . . . . . . B-2 4 Menu: Configu r in g Por t an d St ati c Trunk Monitoring . . . . . . . . . . . B-25 CLI : Conf igur ing Port an[...]

Monitoring and Analyzing Switch Operation Overview Overview The switch has severa l built-in tool s for monitoring, ana l yz ing, and trouble - shoot in g swi t ch and net w ork o p erati on: ■ Status: In cludes o ption s f or displayin g general swi t ch info rmatio n, man- agemen t address d ata , p o rt stat us, port and tru nk group stati s t[...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data Status and Counters Data This section describes the sta t us an d counters screens avail a ble through the swi t ch console interface and/or the web browser interface. Not e Y ou can access a ll c o nsole screens from the web browser i n terface v i a T eln et to the console. T e[...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data Menu Access T o St atus and Counters Beg i nning at the Mai n Menu, displa y th e Status an d Counters menu by select- ing: 1. Statu s and Cou n ters Figure B-1. The Statu s and Cou n ters Menu Eac h of the above menu it ems accesses the read-only sc r eens d e sc ribe d on the fo[...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data General System Information Menu Access From the c o nsole Main Menu, select: 1. Statu s and Cou n ters 1. General Sy stem Info rmatio n Figure B-2. Exampl e of General Swi t ch Inf o rm atio n This screen dynamical l y indicat es how individua l switch resources are be ing use d [...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data Switch Management Address Information Menu Access From the Main Menu, select: 1 Statu s and Cou n ters . . . 2. Switch Management Address Inf o rmatio n Figure B-3. Exampl e of Managemen t Address Inf o rmation w ith VLANs Configu r ed Thi s screen displays a ddresses that are imp[...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data Module Information Use this feature to dete rmine whic h slo t s have m odul es instal led and whic h type(s) of m o dules a re i n stall ed. Menu: Displaying Port Status From the Main Menu, select: 1. Statu s and Cou n ters . . . 3. Mo dule Inf o rmati on Figure B-4. Exampl e of[...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data Port Status The web bro w ser inte rface and the cons ole interface show the same port status data. Menu: Displaying Port Status From the Main Menu, select: 1. Statu s and Cou n ters . . . 4. Po rt Sta t us Figure B-5. Exampl e of Port Status on t he Men u Interfac e CLI Access Sy[...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data V i ewing Port and T r unk Gr oup Statistics and Flow Control Status Feature Def a ul t Menu CL I We b viewing port and trunk statistics for all n/a page B-11 page B-12 page B-12 ports, and flow control status viewing a detailed summary for a particular po rt or trun k n/a page B[...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data Menu Access to Port and T r unk Statistics T o access thi s sc reen from the Main Menu, select: 1. Statu s and Cou n ters . . . 4. Port C oun ters Figure B-6. Exampl e of Port Counters on the Menu Int e rf ace T o view detai l s about the traffi c on a particu lar po rt, use the [[...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data CLI Access T o Port and T r unk Group Statistics T o D i splay the Port C o unter S u mmary Report. Thi s command provides an overview o f por t act i vity f or al l ports on th e swi t ch . Syntax : show interfaces T o Displa y a Detailed T raf fi c Summary for Specific Ports. T[...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data V i ewing the Sw itch’ s MA C Address T a bles Feature Default Menu CL I We b viewing MAC addresses on all ports on a spe c ific VLAN n/a page B-14 page B-16 — viewing MAC addresses on a specific port n/a page B-15 page B-16 — searching for a MAC address n /a page B-15 page [...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data Menu Access to the MAC Address V i ews and Searches Per - VLAN MAC-Address V i ewing and Searching . Thi s feature l e ts you determine w h ich switc h po rt o n a sele cted VLA N is bei ng used to communi- cate with a specifi c device on the netw ork. The per - VLAN li sti n g i[...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data Findi n g t h e Port Con n ection fo r a Spe c ifi c Device on a VLAN. This feature use s a devi ce’ s MAC a d dress that you enter to identify the port used by that devic e. 1. Proce e ding from figure B - 8, press [S] (for S ea rch ), to display the fol l owing pro m pt : Ente[...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data Prompt fo r Selecting the Por t T o Search Figure B-10. Listing M A C Addresses for a S pecific Port 2. Use the Space ba r to select the port yo u want to list or search for MAC addresses, then press [Enter] to list the MAC addr esses d e tected o n that port. Deter m inin g Wh e[...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data Corresponding Por t Nu mbers. For example, to list the learned MAC address o n po rts A1 t h rough A4 and p o rt A6 : HPswitch> show mac-address a1-a4,a6 T o List All Learned MAC Addresse s on a VLAN, with Their Port Numbers. This c o mmand lists the MAC addresses associa t ed [...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data Spanning T r ee Protoc ol (STP) Information Menu Access to STP Data From the Main Menu, select: 1. Statu s and Cou n ters . . . 8. Spanning T r ee I n fo rmatio n S TP m u st be enabl ed on th e swi t ch to display the follow ing data: Figure B-12. Exampl e of Spanning T r ee Inf[...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data Figure B-13. Exampl e of STP Port Inf o rmation CLI Access to STP Data This option li sts t h e STP con fig uration, roo t data, and p er - port d a ta (cost , pr iority , state, and designated bridge). Syntax : show spanning-tree HPswitch> show spanning-tre e B- 19[...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data Internet Group Management Protocol (IGMP) Status The swi t ch uses the CLI to display th e follo wi ng IGMP st atu s on a per - VLAN basis: Show Command Output show ip igmp Global command listing IG MP status for a ll VLANs configu r ed in the switch: • V LAN ID (VID) and name [...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data VLAN Information The switch uses the CLI to disp lay the fol l owi ng VLAN status: Syntax : show vlan Lis t s: • M aximum number of VL ANs to support • E xisting VLANs • S tatus (stati c or dynamic) • P rimary VLAN Syntax : show vlan < vlan-id > Fo r the spe c ifie d[...]

Monitor i ng and Analyzi ng Switch Operation Status and Counters Data Listing the VLAN ID (VID) and Status for ALL VLANs in the Switch . Figure B-15. Exampl e of VLAN Listing f o r the E n tire Swi t ch Listi n g the VLAN ID (VID) an d Status for Speci fic Ports. Becau se ports A1 and A2 ar e no t members o f VLAN- 44, it does n ot appear in this l[...]

Monitoring and Analyzing Switch Operation Status and Counte r s Data W e b Browser Interface Status Informati on The “home” screen for the w e b browse r interface is the Sta t us Overvie w screen, a s shown bel ow . As the title imp lies, it provides a n overview of the status of the swi t ch , incl uding summary gr aphs indi ca ting the netwo[...]

Monitor i ng and Analyzi ng Switch Operation Port and Static T r unk Monitoring Features Port and Static T r unk Monitoring Features Port Monitor i ng Fea t ures Feature Default Menu CL I We b display monitoring configuration disabled page B-25 page B-27 page B-29 configure the monitor port(s) ports: none page B-25 page B-27 page B-29 selecting or [...]

Monitoring and Analyzing Switch Operation Port and Static Trunk Monitoring Features Menu: Configuring P o rt an d Static T r unk Monitoring This pro c edure d e scri bes confi g uri ng the swi t ch for monitoring wh en moni - torin g is disabled . (If mo nitoring h as already bee n enabled, the scre ens w ill appear diffe ren tly than sh ow n in th[...]

Monitor i ng and Analyzi ng Switch Operation Port and Static T r unk Monitoring Features Move the c urs or to the Mon i to ring Port paramete r . Port where monitored traffic exits the swi t ch. Figure B-20. How T o Select a Monitoring Po rt 5. Use the Space ba r to select the port to use for monitoring . 6. Use the downarrow ke y to move the cu rs[...]

Monitoring and Analyzing Switch Operation Port and Static Trunk Monitoring Features CLI: Configuring Port an d Static T r unk Monitoring Port and Static T runk Monitoring Commands Used in This Section show monitor below mirror - port page B-27 monitor page B-28 Y ou must use the following configuration sequence to confi g ure port and stati c tr un[...]

Monitor i ng and Analyzi ng Switch Operation Port and Static T r unk Monitoring Features T o turn off m onito rin g: HPswitch(config)# no mirror-port Selecti n g or Removing Ports and Stati c T r unks As Monitoring Sou r ces. After you configure a monitor port you can use ei ther the global configuration lev e l or the interface cont ext level to s[...]

Monitoring and Analyzing Switch Operation Port and Static Trunk Monitoring Features W e b: Configuri n g Port Monitoring T o enable p o rt monito ring: 1. Click on th e Configuration tab . 2. Click on Monitor Port . 3. T o m oni tor one o r mo re p o rts. a. Click on th e radio button for Monitor Selected Ports . b. Selec t the port(s) to m o nito [...]

Monitor i ng and Analyzi ng Switch Operation Port and Static T r unk Monitoring Features — Th is page is intentionally unuse d. — B-30[...]

C T r oubleshooting Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3 Troubleshooting Approaches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-3 Chassis Ove r-Tem per a ture De tecti on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

Troubleshooting Conte n ts Displaying the Configuration F i le . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-39 CLI: Vie wing the Co nf iguratio n File . . . . . . . . . . . . . . . . . . . . . . C-39 Web : Viewing the Conf igu r ation File . . . . . . . . . . . . . . . . . . . . . . C-39 Li sting Switch Configurat io n and Operation De[...]

Troubleshooting Overview Overview Thi s chapter addresses performance - re lated ne two r k pro ble ms th at can be caused by topology , swi t ch configurat i on, an d t h e effects o f othe r d e vices o r their config urations on sw it ch operation. (For swit ch-sp e cifi c info rmat i on on hardw a re probl e ms in dic a ted by LED behavior , ca[...]

Troubleshooting Trouble s hooting Approaches ■ Check the network cable s – Cabl ing pr oblems are a freque nt cause of network faults. Check the cables for da mage, correct t y pe, and p r oper connections. Y o u should also use a c a bl e teste r to check your c a bles for compliance to the rel evant IEEE 802.3 spec ification. See the Installa[...]

Troubleshooting Chassis Over-Temperatu r e Detection Chassis Over -T emperature Detection If a Switc h 2800 Series de vice rea c he s an over -tempe ratu re condit ion, it generates a chassis-module W a rning message in the Eve nt Log and in any op ti onally co n f igured debug d e sti nati ons (conso le se ssion and SyslogD ser v- ers). If th e sw[...]

Troubleshooting Browser or Telnet Access Problems Browser or T e lnet Access Problems Cannot access the w e b browser i n terfa ce: ■ Access may be disabled by th e We b Age n t Enabled parameter in the switch console . Check the se ttin g on th is p a ram e ter by selecting: 2. Switch Configu r ation . . . 1. Sy stem Information ■ The swi t ch[...]

Troubleshooting Browser or Telnet Access Proble ms Cannot T e lne t in to t h e switch con sole from a sta t ion on the network: ■ T e lnet access may be disa bled by the I nbound T e lnet Enab led parame ter i n the S y ste m In fo rmati on scr een of the menu i n terface: 2. Switch Configuration 1. Sy stem Information ■ The switch may not hav[...]

Troubleshooting Unusual Netwo r k Activity Unusual Network Activity Network activi ty that fai l s to mee t accepted norms may indicate a hardw a re pr oblem with one or more of the ne twork components, p o ssibly i n cluding th e switch. Such problems can also be caused by a netwo rk loop or simply too much traffic for t h e n e tw or k as it is c[...]

Troubleshooting Unusual Network Activity Thi s can al so happen, for example, i f the server is first configur ed to i ssue IP addresses with an un limited du rat ion , t h en is subsequently co nfigured to issue IP addresse s that will expire aft er a limite d d u rat ion . One solu ti on is to configure “re s ervations” in the DH CP server fo[...]

Troubleshooting Unusual Netwo r k Activity ■ If there is more than one physic a l path between the swi t ch and th e other CDP device and STP is runni n g on t he switch, then S TP will block the red unda nt link(s). In th is case, the switch p o rt on the remaining open link may not be a membe r of an untagged VLAN, or any untagged VLAN s to w h[...]

Troubleshooting Unusual Network Activity ■ Using the Switch Console Interface: Fr om the Ma in Menu, che ck th e Management Address Information scree n by c licking on 1. Statu s and Cou n ters 2. Switch Management Address Inf o rmatio n LACP-Related Problems Unable to enabl e LAC P on a port with the int e rface [ e ] < port-n u mber > l a[...]

Troubleshooting Unusual Netwo r k Activity ■ Ensure that the radius-se r ver timeou t pe riod is lo ng enough f or network conditions. The switch does not authenticate a client even th ough th e RAD I US server i s properly confi gured an d pro vid ing a response to the authentication request. If the RADI U S serve r co n fig ura t io n fo r auth[...]

Troubleshooting Unusual Network Activity Port A9 shows a n “Open” statu s even thoug h Access Contr ol is se t to Unauthorize d (Force Auth ). Th is is bec ause the port- ac cess au the n ticato r has not yet b een activ a ted. Figure C-2. Exa mpl e of a Port Rem a ini ng Ope n After Being Configured w it h “Control Unauth o rized” RADIUS s[...]

Troubleshooting Unusual Netwo r k Activity Also, ensur e that the swit ch port used to access the RADIUS serve r is not blocked by a n 802.1 X con f igu r ati on on th at p o rt. For exa m ple , sho w port - access authenticator < p o rt-li st > giv e s you the sta t us for the spe c ified ports. Also, en sure that other fact ors, such as por[...]

Troubleshooting Unusual Network Activity it ei th er mu st match the ser v er key or you must configure a server -spec i fi c key . If the swi t ch al ready has a serve r -s pecific ke y a ssigned to the server’ s IP addre ss, t hen it ove rri des th e global key and m u st ma tc h th e server ke y . Glo bal RADIU S Encr yptio n Ke y Uni que RADI[...]

Troubleshooting Unusual Netwo r k Activity Fast- U plink T r oubleshooting. Som e of th e pro ble ms that can r e sult fr om incorre c t usage of Fast-Uplink STP include temporary loops and genera tion of duplica t e packets. Problem sources can include : ■ Fast- Up link is co nf ig ured on a switch that is the STP ro o t devic e. ■ Either the [...]

Troubleshooting Unusual Network Activity Switch does not detect a clien t’ s publ ic ke y that does appear i n the switch ’ s pu bl ic ke y fil e ( show ip clien t -public-key ). The cli e nt ’ s publi c key entry in the public key fi le may be pr ece ded by an other ent r y t h at does n ot terminate wi th a new line (CR). In this case, the [...]

Troubleshooting Unusual Netwo r k Activity T A CACS-Related Problems Event Log. When troubleshooting T ACACS+ op eration, check the s w itch’ s Even t Log for i ndicati ons of pr oblem areas. All Users A r e Locked Out of Access to the Switch. If the sw itch is func- tionin g pro p erl y , but no username/ p asswo r d pai r s resul t in con s ole[...]

Troubleshooting Unusual Network Activity ■ The encryption key configured in the server does not match the encryption key co nfi g ure d in the switch (by usi ng the t acacs-server key command). V e rify the key in the server an d compare it to the key configured in the switch. (Use show tacacs-se r ver to list the g l ob al key . Use show config [...]

Troubleshooting Unusual Netwo r k Activity T i meP , SNTP , or Gateway Problems The Switch Cannot Find the T i me S e rve r or t he Con f igured Gatew ay . T i meP , SNTP , and Gateway ac cess are through the primary VLA N , w hich in the default configurati o n is the DE F A UL T_VLAN. If the primary VLAN has been moved to an other VLAN, it may be[...]

Troubleshooting Unusual Network Activity Swi t ch “Y” Switch “X” Link supporting VLAN_1 and VLA N _2 VLAN Por t Assignment Port VLAN_1 VLAN_2 X-3 Untagged T agged Port X-3 Port Y - 7 VLA N Port Assignment Port VLAN_1 VLAN_2 Y -7 Untagged T agged Figure C-5. Exampl e of Corre c t VLAN Port Assig n ments on a Link 1. If VLAN_1 (VID=1) is conf[...]

Troubleshooting Unusual Netwo r k Activity Se rver HP Pro C urve Switches Covered by thi s Guide (Multiple Forwarding Database) Switch with Single Forwa r ding Database MAC Address “A”; VLAN 1 MA C A ddress “A”; V LAN 2 Problem: This switch de tec ts contin ual mov es of MAC addr e ss “A” between ports. VLAN 1 VLAN 2 Figure C-6. Exampl [...]

Troubleshooting Using Loggin g To Identify Proble m Sources Using Logging T o Identify Problem Sources Event Log O p eration The Event Log records operating events as sin g le-line ent r ies l i ste d in chrono - logic al order , an d serves as a tool for isolating problems. Eac h Event Log en try is composed of five fields: Severit y Date T ime Sy[...]

Troubleshooting Using Log g in g To Identify Pro b lem Sources (The event log is not erased by using the Reboot Swi t ch c o mmand i n the Mai n Menu.) T able C-1.Eve n t Log Sy stem Modules Module Event Description Module Event Description addrMgr A ddress table m gr Conso l e managemen t chassis switch hardware ports Change in port status; static[...]

Troubleshooting Using Loggin g To Identify Proble m Sources Menu: Entering and Navigating in the Event Log From the Main Menu, select Event Log . Range of Events in the Log Range of Log E v ents Displaye d Log Status Line Figure C-8. Exampl e of an Eve n t Log Displa y Th e log sta t us line at the bottom of the display identifie s where in the seq[...]

Troubleshooting Using Log g in g To Identify Pro b lem Sources CLI: Using the CLI, yo u can li st ■ Events recorde d sin c e the last boot of the swit ch ■ All e vents recorde d ■ Eve n t entries containing a speci fic keyw ord, eit h er since th e last b oot or all e vents recorde d Syntax : show logging [-a] [ < sea r ch-te x t>] HPsw[...]

Troubleshooting Using Loggin g To Identify Proble m Sources Debug and Syslog Operation Y ou can direct swi t ch debug (Event log) messages to th ese destinations: ■ Up to six SyslogD servers ■ One management-access session through: • A direct- c onnect RS-232 consol e C LI session • A T e lnet session • A n SSH session Figure C-9. Exa mpl[...]

Troubleshooting Using Log g in g To Identify Pro b lem Sources Debug T y pes. This section describes the types of debug messages the switch can send to confi g ured debu g desti n at ions. Synta x: [no] debug < debug-type > al l Configures the switch to send all debug types to the confi g- ured debug desti n ation(s). (Default: Disabled) even[...]

Troubleshooting Using Loggin g To Identify Proble m Sources Co nf iguri n g the Sw itch T o Se n d De bug Messages to One or More SyslogD Servers. Use the logg ing comma n d to co nfigure the switch to send Syslog messages to a SyslogD server , or to remove a SyslogD server from the swi t ch configuration. Syntax : [no] logging < sy slog-ip-addr[...]

Troubleshooting Using Log g in g To Identify Pro b lem Sources For e x ample, on a switch where there a r e n o Syslo g D server s confi g ured, yo u w ould do the follow i n g to con fig ure SyslogD servers 18.120.3 8 .155 a nd 18.120.43.125 and a u tomatically enable Syslog l ogg ing (with use r as the defaul t logging facility): logging < sy [...]

Troubleshooting Using Loggin g To Identify Proble m Sources Enabling or D i sab l ing Logging to Management Sessions and SyslogD Ser v ers. Use this co mmand w he n you w a nt to do an y of the following: ■ Disable Syslog log ging on all currently configure d SyslogD servers with- out removing the serve r s from the switch co n f iguration. ■ R[...]

Troubleshooting Using Log g in g To Identify Pro b lem Sources Shows tha t Sy slog (Destinatio n ) logg ing i s e nabled and tra n smitting log messag e s to IP address 18.120.38.155. Al so shows that the l ogging facil i ty is set to use r (the default), and that session logging is enable d.) Di sab l es Sy slo g log gi ng (but retain s the Sy slo[...]

Troubleshooting Using Loggin g To Identify Proble m Sources Syntax : show debug List the current debug status for both Syslog logging and Session loggi n g. Sho w s that Sy slog logging is enable d a nd sending event message s to th e user facility on the Sy slogD serve r at IP address 18.120.38.155. Sho ws that sessi on lo gging is operati ng thro[...]

Troubleshooting Diagnostic Tools ■ Ensure that your Syslog s e rver (s ) w i ll accept Debug mes s ages . All Syslog messages the switc h genera tes carry the configured facility . Al l Syslog messages resulting from debug operation c a rry a “debug” severity . If yo u configure the s witch to tr ansmit deb ug messages to a SyslogD serve r , [...]

Troubleshooting Diagnostic Tools 2. If the a t tached e n d-node doe s not have an Auto mode setting, the n you must manua lly config ure the swi tch por t to the sam e setting as the end- n ode po rt. See Chapt e r 10, “Po r t Status and Basi c Con fig urati on”. Ping and Link T e sts The Ping test and the Link test are po int-to -poin t te st[...]

Troubleshooting Diagnostic Tools W e b: Executing Ping or Link T e sts 1. Cli ck here. 4. For a Ping test, enter the IP address of the tar get device . Fo r a Lin k test, ente r the MA C address of the tar get de vic e. 3. Select Ping T e st (the default) o r Link T e st 5. Sel e ct the n u mb er of trie s (pa ck ets) and the timeou t for each try [...]

Troubleshooting Diagnostic Tools T i meout in Seconds is the nu m ber of seco nd s to all ow pe r attem p t to test a connection before determi n ing that the curren t atte mpt h a s fai l ed . T o halt a Link or Ping test be fore it con clude s, click on th e Stop bu tton . T o reset the screen to its d e fa ult settings, c lick on the Def aults b[...]

Troubleshooting Diagnostic Tools Link T e sts. Y o u can issue single or multiple lin k tests with va rying rep e ti - tion s and tim eout pe riods. Th e defau lts are : ■ Repetitions: 1 (1 - 999 ) ■ T i meout: 5 seconds (1 - 2 56 sec o nds) Syntax : link < m ac-address > [repetitions < 1 - 999 >] [timeout < 1 - 256 >] [vlan &[...]

Troubleshooting Diagnostic Tools Displaying the Confi g uration File The complete switc h configuration is co ntained in a fil e that you can browse fro m either the web bro w se r interface or the CLI. It may be useful in some trouble s hooting scenar ios to view the swi t ch configur at i on. CLI: V i ewing the Configuration File Using the CLI, y[...]

Troubleshooting Diagnostic Tools Listing Switch Config uration and Operation Details for Help in T roubleshooting Release G.04.05 and greate r includes the sho w tech command. Thi s com m and ou tput s, in a sing le list i ng , switch operat ing a nd ru nning co nf igurat io n detai ls fro m sev e ral inte rnal switch sourc e s, including: ■ Imag[...]

Troubleshooting Diagnostic Tools 1. In Hypertermin a l, cli ck on T r ansfer | Capture T e xt... Figure C-17. The Captu r e T e xt w i nd ow of the Hypertex t Application Use d w ith Microsoft Windows Software 2. In the F ile fi eld, enter the p ath and f ile name unde r w hich you want to store th e show tec h output . Figure C-18. Exampl e of a P[...]

Troubleshooting Diagnostic Tools CLI Administrative and T r oubleshooting Commands These comma nds provid e informa tion or pe rform actions that you may find helpfu l in tr oublesh ooti ng oper ati ng p r oblem s with th e switch . Not e For more on the CLI, refer to “Using the Co mmand Line I nt e rface (CLI)” o n page 4-1. Syntax : show vers[...]

Troubleshooting Restoring the Factory-Default Configuration Restoring the Factory-Default Configuration As p a rt of your tr oubleshoot in g process, it may become ne cessary to return the switc h configuration to the factor y defaul t settings. This pro c ess m o men- tarily i nte rrup t s t he switch operatio n, clears any passwords, clears the c[...]

Troubleshooting Restoring a Flash Image Restoring a Flash Image The switch can lose it s op erati n g system if either the primary or sec o nda ry flash ima ge location is empty or c o nta i ns a corrupted OS file and an operator use s th e er ase fl ash co mmand to erase a good O S image fi le from t h e opposi te fl ash l o cat i on. T o Recover [...]

Troubleshooting Restoring a Flash Image 4. Sinc e the OS fil e is l a rge, you can increase the speed of the dow n load by changing the swi tch console and termin al emulator baud ra tes to a hig h spe e d. For example: a. Change the swi t ch baud rate to 115,2 00 Bps. => sp 115200 b. Change the terminal em ula t or baud rat e to match the swi t[...]

Troubleshooting Restoring a Flash Image Figure C-19. Exampl e of Xmodem Downl oad in Pro g ress 8. When the dow n load compl e tes, the swi t ch reboots f r om pri m ary f l ash usi ng the OS image you dow n loaded in the preceding steps, plus the most recent startup-config file. C-46[...]

D MAC Address Management Contents Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D-2 Determining MAC Addresses in the Swi t ch . . . . . . . . . . . . . . . . . . . . . . . . D-2 Menu: Vie w ing th e Swi t ch ’s MAC Addresse s . . . . . . . . . . . . . . . . . . . . D-3 CLI : Vie[...]

MAC Address Management Overview Overview The switch assigns MAC ad dresse s in these areas: ■ For management functions: • O ne Base MAC address assigned to th e d e faul t VLAN (VID = 1) • A ddit i onal MAC add r ess(es) correspondi ng to addition al VLANs yo u configure in the switch ■ For i nte rna l swi t ch operat i ons: On e MA C addre[...]

MAC Address Managemen t Determining MAC Addresses in the Switch ■ Use the CLI to view the swi t ch’ s port MAC ad dresses in hexadecima l format. Menu: V i ewing the Swi t ch’ s MAC Addresses The Man agement Add r ess Informa t io n screen lists the MAC addresses for: ■ Base swi tch (defau lt VL AN; V ID = 1) ■ Any additional VL ANs conf [...]

MAC Address Management Determining MAC Add r esses in the Switch CLI: V i ewi n g the Port and VLAN MAC Addresses The MAC address assigne d to each swi tch port is use d internally b y such features as Flow Control and the Spanning T r ee Pro tocol. Usi n g th e wal k mi b command t o dete rmi n e t h e MAC address assignments f o r i n dividual po[...]

MAC Address Managemen t Determining MAC Addresses in the Switch ifPhy sAd dress.226 & 237 MAC Addresses for n on-default VLA N s. ifPhy s Address.1 - 6: Ports A 1 - A6 in Slot 1 (Addresses 7 - 24 in slot 1 and 25 - 48 in slot 2 ar e unused.) ifPhy s Address.4 9 - 51 : P orts C1 - C3 in Slot 3 (Addresses 5 2 - 72 in slot 3 ar e unused.) ifPh y s[...]

------------- ------- -------- MAC Address Management Viewing theMAC Addresses of C onnected Devices on Series 2600/260 0-PWR, 2800 and 4100gl Switches V i ewing theMAC Addresses of Connected Devices on Series 2600/ 2600-PWR, 2800 and 4100gl Switches Syntax: show mac-address [ | mac-addr | Lists the MAC addresses of the de vices the swit ch has det[...]

E Daylight Savings T i me on HP ProCurve Switches Configuring Daylight Savings T i me Thi s in fo rmation ap plies to th e following H P ProCu r ve switc hes: • 2512 • 2524 • 2626 • 2650 • 2626-PWR • 2650-PWR • 2824 • 2848 • 3400cl • 1600M • 4108gl • 2400M • 4104gl • 2424M • 6108 • 4000M • 5304xl • 8000M • 5308[...]

Daylight Savings T i me on HP ProCurve Switches Configuring Daylight Savings Time Canada and Continental US: • B egin DST at 2am the first Su nday on or after April 1st. • E nd DST at 2am the first Sun day on or after October 25th. Middle Europe and Portugal : • B egin DST at 2am the first Su nday on or after March 25th. • E nd DST at 2am t[...]

Daylight Savings Time on HP ProCurve Switches Configuring Dayligh t Savings Time Bef o re co nf iguring a "User def ined" Dayligh t Time Rule, it is importa nt to understand how the switc h treats the en tries. The switch kn ows w h ich d at es are Sunda y s, and uses an algorithm to determine on w h ich date to change the system cl ock, [...]

Daylight Savings T i me on HP ProCurve Switches Configuring Daylight Savings Time — Th is page is intentionally unuse d. — E-4[...]

Index Symbols => prompt … C -44 Numerics 802.3u a u to neg o tiation standa rd … 10-4 A access manage r … 13-13 oper a to r … 13-13 ACL debu g See also debug command. Act i ons line … 3 -9, 3-10, 3-11 location on screen … 3 -9 address table, po rt … B -14 addre s s, net w ork manager … 13-4, 13-5 alert log … 5 -19 alert types ?[...]

priority settings ma pped to downstream de vi ce s … 10 -30 Clear button … 5-11 resto r ing factory default configuration … C-43 CLI context level … 10-10 command line interface Se e CL I. communities, SNMP … 13-14 viewing and configuring with th e CLI … 13-16 viewing and configuring with th e menu … 13-14 configuration … 3-7 Bootp [...]

effect of priorit y settings … 10-30 duplicate MAC address See MAC address Dyn1 Se e LACP. E ending a console se ssio n … 3-5 event log … 3-7, C-2 3 navig a tion … C -25 See also debug logging. severity leve l … C-23 tem p erature m e ssages … C -5 use durin g troubleshooting … C -23 with debug … C -33 excessive packets … 10-25 F [...]

removing or rep l acing … 8 -10 IP preserve DHCP ser v er … 8 -16 overview … 8 -16 rules, operating … 8 -16 sum m ary of effect … 8 -19 IPX netwo r k number … B-7 J Java … 5-4, 5-5 jum b o packets configuration … 10-19 excess i ve inboun d … 10-23 flow control … 10-18, 10-22 GVRP operation … 10-18 management VLA N … 10-22 ma[...]

startup configuration … 3-10 menu interface configuration changes, saving … 3 -10 MI B … 13-4 MIB listing … 13-4 MIB, HP proprietary … 13-4 MIB, standard … 13-4 mirroring Se e port monitoring. monitoring traffic … B-24 multinetting … 8 -9 multinetting, limit … 8-9 mul t iple VLAN … 13- 3 multi-port bridge … 8 -2 N navig a tion[...]

enabling dynamic LACP … 1 2-16 FEC … 12-7, 12-2 5 IGMP … 12-9 LACP … 10-5 LACP, full duplex req u ired … 1 2-5 link requirements … 12-3 logical port … 1 2-9 media requirements … 12-8 media type … 12-3 menu access t o sta t ic trunk … 12-10 monitor port res tri ctions … 1 2-9 nonconsecutive ports … 12-2 number of trunk s … [...]

secure copy Se e SCP/SFTP. secure FTP Se e SCP/SFTP. security … 5 -11, 7-3 Self Tes t LED behavior during factory default reset … C-43 serial num b er … B -6 ses sion Se e debug logging. setting fault d e tection policy … 5-23 setup screen … 1 -8, 8-4 severity code, event log … C -23 show tech … C -40 slow n e twork … C-8 SNMP … 1[...]

URL … 5-12 URL Window … 5 -12 switch console Se e console. switch setup menu … 3 -8 switch software Se e OS. switch-to- swit ch do wn load … A-14 Syslog facility, user … C -34 Se e debug loggin g. severity, " d ebug" … C-34 sys t em configuration screen … 7 -9 System Nam e paramete r … 7-10 T TACACS SSH exclusion … A-10 [...]

URL browser interface online help location … 5-13 HP Procurve … 5 -13, 13-4 management … 5 -1 3 management server … 5 -12, 5-13 suppor t … 5-12, 5-13 user name, usin g for bro wse r o r conso le access … 5-8, 5-10 users, SNMPv3 Se e SNMPv3. using the passwords … 5-10 utilization, port … 5-16 version, OS … A -5, A-1 2 , A-15 VLAN ?[...]

10 – Index[...]

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T echnical inf ormati on in this document is subj ect to change w ithout noti ce. ©Cop yr ight 2000, 2004. Hew lett-P ack ar d Deve lopment Compan y , L.P . Rep roduc tion, adap tation , or translati on with out pri or wr itten permissi on is prohib ited ex cept as allo wed unde r the copy righ t laws. Octobe r 2004 Manual P art Number 5 990-602 3[...]