SMC Networks SMC7724M/VSW manual

T igerAccess Extended Ethernet System Extended Ethernet System ◆ High-speed Internet access o v er e xisting phone l ines ◆ Supports 24 E xtended Et hernet lines ◆ Optional 10 00B ASE-X modules ◆ Concurrent data and teleph one s ervices (voice/ISDN) ov er a single connection ◆ Supports e v olving ETSI, A NSI, and ITU standa rds fo r the c[...]

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38 T esla Irvine, CA 92618 Phone: (9 49) 679-8000 T igerAccess Extended Ethe rnet System Management Guid e From SM C’ s T iger lin e of feature- rich workgroup LAN solutions December 2002 Pub. # 15 0200022300A[...]

Information fu rnished by SMC Netw orks, Inc. (SM C) is be liev ed to be accurat e and r eliable. H owever , no respon sibility is assumed by SMC for its use, nor for any in fring ements of pate nts or othe r rights of th ird par ties which may res ult fr om it s use. N o lice nse is gra nted by impl icat ion or othe rwise under any p aten t or pat[...]

i C ONTENTS 1 Switch Management . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Connecting to the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Configurat ion Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Required Co nnections . . . . . . . . . . . . . . . . . . . . . [...]

C ONTENTS ii Saving or Rest oring Configurat ion Settings . . . . . . . . . . . . 2-18 Setting th e Startup Configu ration File . . . . . . . . . . . . . . . . 2-20 Copying the Running Configur ation to a File . . . . . . . . . . 2-21 Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22 Displaying B[...]

C ONTENTS iii Mapping La yer 3/4 Prioritie s to CoS Values . . . . . . . . . . . . . . . . . . . . 2-69 Mappi ng IP Preced ence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-70 Mapping DSCP Priority . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-73 Mapping IP Port Priority . . . . . . . . . . . . . . . . . . . . .[...]

C ONTENTS iv Command Line Processi ng . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Command Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 General Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 enable . . . . . . . . . . . . . . . . . . . .[...]

C ONTENTS v show rad ius-server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-43 SNMP Comma nds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-44 snmp-se rver community . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-45 snmp-se rver contact . . . . . . . . . . . . . . . [...]

C ONTENTS vi Address Table Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-79 bridge add ress . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-79 show br idge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-81 clear br idge . . . . . . . . . . . . . [...]

C ONTENTS vii ip igmp snoo ping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-115 ip igmp snoo ping vlan static . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-115 ip igmp snoo ping version . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-116 show ip igmp snooping . . . . . . . . . . . . . . . . . . . . [...]

C ONTENTS viii efm reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-151 efm shutdo wn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-151 efm rdl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-152 efm flow-co ntrol . . . . . . . . . .[...]

1-1 C HAPTER 1 S WITCH M ANAGEMENT Connect ing to the Switch Configuration Opt ions The TigerAccess Extended Ethernet (EE) Switch 7724M/VSW includes a built-in ne twork manag ement ag ent. T he ag ent off ers a variety of manag ement op tions, includin g SNMP , RMON, and a W e b-based inte rface. A PC may als o be c o nnec ted directly t o the s wi[...]

S WITCH M ANAG EMENT 1-2 • Set us ern ames a nd pass words f or up t o 16 u sers • Set an IP int erfac e for a ma nageme nt VLAN • Con figure SNM P para mete rs • Enable/ disable a ny VDSL or Et hernet po rt • Set t he spee d/duplex mode for any port • Assign operating prof iles to any VDSL port • Configure Private VL ANs for port is [...]

C ONNECTING TO THE S WITCH 1-3 Required Connections The switch provides an RS-232 serial por t that enables a connection to a PC or te r minal for m onit oring an d configur ing t he swit ch. A null- modem console cable is prov ided with th e switch. Attach a VT100-compatible ter minal, or a PC r unning a ter minal emu l a tion pr ogram to the swit[...]

S WITCH M ANAG EMENT 1-4 Notes: 1. When usin g Hy perTe rminal with Microso ft ® Windows ® 2000, make sure that you have Windows 2000 Service Pack 2 or later installed. Windows 2000 Service Pack 2 fixes the problem of arrow keys not functioning in HyperTerminal’s VT 100 emulati on. Se e www.mi crosoft .com for i nforma t ion o n Windows 2000 se[...]

B ASIC C ONFIGURATION 1-5 The onboard configuration p rog ram can be accessed usin g T elnet from any co mput er attache d to the ne twork. T he swit ch can al so be man age d by any com puter us ing a W eb browser (Internet Expl orer 5.0 or above , or Netsca pe Navig ator 6. 2 or above), or f rom a network co mputer using network manag emen t soft[...]

S WITCH M ANAG EMENT 1-6 Setting Passwords Note: If th is is your first time to log into th e CLI program, you should define new password s for both de fault user nam es using the “usernam e” command, reco rd them and put them in a safe place. P asswor d s can consist o f up to 8 alphanum eric charact ers and are case sensitive. T o p revent un[...]

B ASIC C ONFIGURATION 1-7 Setting an IP Address Y ou must establis h IP address infor matio n for the switch to obta in manag ement a ccess t hrough t he network. T his can be don e in eithe r of the following ways: Manual — Y ou must input the infor mation , including IP address and subnet ma sk. If your manag ement s tation is not in the same I[...]

S WITCH M ANAG EMENT 1-8 Before you can assign an IP a ddress to th e switch, you mus t obt ain the following info r matio n from your ne twork administ rator : • IP ad dress for the switch • Defa ult gatew ay for the n etwork • Netwo rk mask for this networ k T o assign an IP add ress to the switch, comple te the following ste ps: 1. Fr om t[...]

B ASIC C ONFIGURATION 1-9 Dynamic Configuration If you select the “boot p” or “dhcp” option , IP will be enabled b ut will not function until a BOOTP or D HCP reply has b een receiv ed. Y ou therefore need to use the “ip d h cp re start” command t o st art broadcast ing service requests . Requests will be sent periodic ally in an effort[...]

S WITCH M ANAG EMENT 1-10 6. Sa ve you r configur ation cha nges by typi ng “co py r unning- config star tup-co nfig .” Enter t he star tup file na me and pr ess <En ter>. Enabling SNMP Management Access The swi tch can be configured to accept ma nagement command s from Simple Ne twork Manage ment Prot ocol (SNMP) a pplications s uch as S[...]

B ASIC C ONFIGURATION 1-11 • private - with re ad-write access. Authorize d management statio ns are abl e to both r etriev e and modi fy MI B object s. Note: If you do not inte nd to us e SNMP, it is reco m mende d that you delete b o th of the de fault commun ity str i ngs. If ther e are no communi ty st rings, then SN MP manag ement acce ss to[...]

S WITCH M ANAG EMENT 1-12 2. In orde r to configure th e switch to sen d SNMP notificat ions, you must enter a t le ast one sn mp-ser ver en able traps comm and. T ype “snmp- server enabl e traps type , ” where “type” is either au thentication or link-up-down . Press <Enter>. Saving Configuration Sett ings Configuration commands o nly[...]

S YSTEM D EFAULTS 1-13 confi guration files can be sel ected as a system start- up file or can be uploaded via TFTP to a server for b ackup. A file named “Facto ry_Default _Config.cfg” con tains the sys tem defaul t settings and cann ot be delet ed from t he system. • Operation Code — System software th at is execut ed after boo t-up, also [...]

S WITCH M ANAG EMENT 1-14 The following table lists some of the bas ic system defaults . Fun ction P aramete r Defa ult IP Settings Managemen t. VLAN 1 DHCP Enabled BOOTP Disabled User Specifie d Disabled IP Add ress 0.0.0.0 Subnet Ma sk 255.0.0 .0 Default Ga teway 0.0.0.0 Web Management HTTP Server Enabled HTTP Port Number 80 SNMP Community String[...]

S YSTEM D EFAULTS 1-15 Port Status Admin Status Enabled Auto-negot iation Enable d Flow Control Disabled 10/100 Mbps Port Capability 10 Mbps half duplex 10 Mbps full duple x 100 Mbps half du plex 100 Mbps full dupl ex Full-duple x flow control disab led 10/100/1000 Mbp s Port Capability 10 Mbps half duplex 10 Mbps full duple x 100 Mbps half du plex[...]

S WITCH M ANAG EMENT 1-16 Class of Service Ingress Port Priority 0 Weighte d Round Robin Class 0: 1 Class 1 : 4 Class 2: 16 Class 3: 64 IP Precedence Priority Disabled IP DSCP Priori ty Disable d IP Port Priority Disabled Multicast Filtering IGMP Snoopin g Enabled Act as Quer ier Enabled Broadcast Storm Protection Status Enabled (all ports ) Broadc[...]

2-1 C HAPTER 2 C ONFIGU RING THE S WITCH Using the We b Interface This sw itch provides an embedded HTTP W eb age nt. Using a W eb bro w ser y ou can config ure the s w itc h and view stati stics t o monito r netw ork activi ty . The W eb agent can be accessed by any computer on the network us ing a standa rd W e b browser (Inte rn et Expl orer 5.0[...]

C ONFIGURING THE S WI TCH 2-2 3. If th e path betwee n your manag ement station and this switch doe s not pass thr ough a ny devi ce that uses th e Span ning T r ee Alg orith m, the n you can set the swi tch por t attache d to your manag emen t station to fast forwarding to improv e the switch’ s respo nse time to manag ement comma nds issu ed th[...]

N AVIGATIN G THE W EB B RO WS ER I NTE RFA CE 2-3 Navigati ng the Web Brow ser Int erface T o acce ss the W e b-browser inte rface you must firs t enter a us er name and passw ord. The administrator has Read/W rite access to all conf ig urat ion parameter s and stati stics . The default us er name and pa ssword for the administrator is “ admin.?[...]

C ONFIGURING THE S WI TCH 2-4 Configuration Opt ions Configur able paramet ers hav e a dialo g box or a drop-down l ist. On ce a config uration cha nge has been made on a p age, be sure to c lick on the “ Apply” or “ Ap ply Chang es” bu tton to conf ir m the new s etting . The foll owing tabl e summar izes t he W eb page con figurat ion but[...]

P ANEL D ISPLAY 2-5 Panel Display Th e W eb ag ent d isplays a n imag e of th e swit ch’ s por ts, indi cating w hethe r each link is up or down. Clicking on the image of a por t opens the Port Config uratio n page as descri bed on p ag e 2-22 . Main Menu Using the on board W eb agent, yo u can defin e system para meters , manage and contro l the[...]

C ONFIGURING THE S WI TCH 2-6 Port Port Information Displays port con nection status 2-26 Trunk Information Displays tru nk connection stat us 2-26 Port Config uration Co nfigures port conne ction settings 2-28 Trunk Configu ration Configure s trunk connectio n settings 2-28 Port Broadcas t Control Sets the broadcas t storm threshold for eac h port[...]

M AIN M ENU 2-7 VLAN Port Configuration Specifies def ault PVID and V LAN attributes 2-56 VLAN Trunk Configura tion Specifies default trun k VID and VLAN attributes 2-56 Privat e VLAN Private VLAN Status Enables or disab les the Private VLAN feature 2-59 Privat e VLAN Link Configuration Configures ports as d ownlink or upli nk ports. Traffic from d[...]

C ONFIGURING THE S WI TCH 2-8 IGMP IGMP Confi guration Enables mu lticast filtering; configures parameters for multicast query 2-84 Multicast Router Port Information Displays the ports that are atta ched to a neighboring m ulticast router/switch for each VLAN ID 2-87 Static Multicast Router Port Configuration Assigns p o rts th at are attached to a[...]

B ASIC C ONFIGURATION 2-9 Basic Configuratio n Displaying System Inform ation Y ou can e asily i dentify the sys tem by pro viding a des criptiv e name, location , and co ntact information. Fields and Attri butes • System N ame – Name as signed to th e switch system . • Object ID – MI B II object I D for switch’s network managemen t subsy[...]

C ONFIGURING THE S WI TCH 2-10 We b I n t e r f a c e Clic k System/System In for mation. Sp ecify the system nam e, locati on, and contact info r mation for th e system administrator, then click “ App ly .” (This pag e also inc ludes a T elnet button that allows you to access the Command Line Interface via T elnet.) Command Line Interface Spec[...]

B ASIC C ONFIGURATION 2-11 Setting the IP Addres s An IP address may be used for management access to the swit ch ov er your network. By de fault, the switch uses DHCP to ass ign IP settings to VLAN 1 on th e switch. If you wis h to manua l ly configure IP setting s, y ou need to set the IP address and n etmask to v alues that ar e compatible wi th[...]

C ONFIGURING THE S WI TCH 2-12 • Gateway IP Address – I P addre s s o f the gatewa y router betw een this device and management statio ns that e xist on other n etwork se gments . • MAC Address – The MAC address of this switch. Manual Configuration We b I n t e r f a c e Clic k Sys t em/IP . Specify the managem ent inte rface, IP add ress, [...]

B ASIC C ONFIGURATION 2-13 switch will broadcast a request for IP configurat ion settings on the next pow er reset. Otherwise , click “R estart DHCP” to immediat ely request a new a ddre ss . Note: If you lose your web man agement conne ction, use a console connec tion and ente r “sh ow ip in terface” to de termine the new switch address. C[...]

C ONFIGURING THE S WI TCH 2-14 Renewing DCHP DHCP may lea se addre sses to clie nts indefi nitely or for a specific period of time . If the addres s expire s or the s witc h is mov ed to ano ther netw ork segment, you will lose manag ement acces s to the switch. In this case, reboot the switch or submit a client request to rest art DHCP ser vice. W[...]

B ASIC C ONFIGURATION 2-15 We b I n t e r f a c e Click Syst em/Passwords . Enter the old p assword, ente r the new password, confir m it by entering it again, then click “ Apply .” Command Line Interface Assign a user name to acce ss-level 15 (i.e ., administ rator), the n specify the password. Configuring Radius Logon Authentication Re mote A[...]

C ONFIGURING THE S WI TCH 2-16 • Number of Server Transmits – the num ber of request trans mits to the RADIUS server before failure. • Timeout for a reply – the number of seconds the switch waits for a reply fro m the RA DIUS server befor e it resends the request. We b I n t e r f a c e Click System/Radius . Command Line Interface Specif y [...]

B ASIC C ONFIGURATION 2-17 Command Usa ge • The desti n ati on fil e name should not contain slas hes ( or /), the leading lett er of the file name should not be a period (.), and the le ngth of the file name should be 1 to 31 cha racters . (Valid char acters: A-Z, a-z, 0-9, “.”, “-”, “_”) • The maximum number of runtime files is 2[...]

C ONFIGURING THE S WI TCH 2-18 T o start the new fir mwa re, re boot the sy stem. Command Line Interface Enter th e IP address of the TFTP ser v er. Select the conf ig or op code file type. Enter the source and destination file names . Set the new file to b oot the sy stem. T o start the new fir mware , enter t he “reload” co mmand or reboot th[...]

B ASIC C ONFIGURATION 2-19 the leng th of file nam e should be 1 to 31. (Valid cha racters: A-Z, a-z, 0-9, “.”, “-”, “_ ”) • The maximum number of user-defined config uration files is 2. Y ou can save t he configuration file under a new file name and then set it as the startup f ile, or you can speci fy the cur ren t star tup configur[...]

C ONFIGURING THE S WI TCH 2-20 Setting the Startup Configuration File We b I n t e r f a c e If yo u downlo ad to a new f il e na m e , select the n ew file from the drop-down box and click “ Apply Chang es . ” T o use the new se ttings, reboot the system. Command Line Interface Enter t he IP add ress of the T FTP server , specify t he sourc e [...]

B ASIC C ONFIGURATION 2-21 Copying the Running Configuration to a File We b I n t e r f a c e Y ou can save the r unning configuration to a file. J ust enter the file name and click “Copy to File. ” Command Line Interface If you copy the r unning configuration to a file, y o u can set this file as the startup file at a later time . Conso le#cop[...]

C ONFIGURING THE S WI TCH 2-22 Reset We b I n t e r f a c e Select System/R eset to r eboot the swit ch. When prompt ed, confirm that you want to rese t the swit ch. Command Line Interface Use th e reload com mand to reboo t the sys t em. Example Displaying Bridge Extension Capabilities Th e Bridg e MIB includ es extens ions for mana ged d evices t[...]

B ASIC C ONFIGURATION 2-23 • Configurable PVID Tagging – This switch a llows you to over ride the defau lt Port VLAN ID (PVID used in frame tags) a nd egress statu s (VLAN- Tagged o r Untagged ) on each port. (Refer to “VL AN Configuration” on page 2-45.”) • Local VLAN Capable – This switch doe s not support mult iple local bridges (i[...]

C ONFIGURING THE S WI TCH 2-24 Command Line Interface Enter the following comman d. Displaying Switch Hardware/Software Versions Fields and Attri butes Main Board • Serial Number – The ser i al number of the s witch. • Number of Po rts – Number of ports on this sw itch. • Hardware Version – Hard ware versio n of the ma in board. • Int[...]

B ASIC C ONFIGURATION 2-25 We b I n t e r f a c e Click System/Swi tch Infor mation. Command Line Interface Use the fo l lo w ing command to display version infor mation. Console #show v ersion 3-38 Unit1 Serial number :A21 9035804 Servic e tag : Hardwa re vers ion :0C Module A type :oth er Module B type :oth er Number of por ts :25 Main p ower st [...]

C ONFIGURING THE S WI TCH 2-26 Port Conf iguration Displaying Connection Status Y ou can use the P o rt Inf or mat ion or T r un k Infor mation pag es to disp lay the current c onnection status, including l ink state, sp eed/duplex mod e, flow co ntrol, and auto-negotiation . Fields and Attri butes • Name – Inter face labe l. • Type – Indic[...]

P ORT C ONFIGURATION 2-27 We b I n t e r f a c e Click P or t/P or t Infor matio n or T r unk Infor matio n. Modify the required interface settings and click “ Ap ply .” Command Line Interface This exampl e shows the con nection status for Po r t 13. Conso le#show interface s status et hernet 1/1 3 3-69 Infor mation of Et h 1/13 Basic inf ormat[...]

C ONFIGURING THE S WI TCH 2-28 Configuring I nterface Connections Use the P or t Confi guratio n and T r unk Configura t ion p ages to enable/disable an int erface , manually set the speed and duplex mode, set flow c ontrol, and set au to-neg otiat ion par ameters. Fields and Attri butes • Name – Allows you to label an interface. (Range: 1- 64 [...]

P ORT C ONFIGURATION 2-29 • Sym - Trans mits and r eceives pause fr ames for flow cont rol. • FC - Supp orts flow control. • Trunk – Indicates if a port is a mem ber of a trunk. Cr eates tru nks and select s port membe rs (see “ Port Tru nk Configur ation” on page 2-78.) Note: Auto negotia tion must be disabled before yo u can con figur[...]

C ONFIGURING THE S WI TCH 2-30 Command Line Interface Select th e interf ace, and then enter the required settings. Setting Broadcast Storm Thre sholds Broadc ast storms may o ccur when a device on yo ur network i s malfunctioning, o r if application prog rams are not well design ed or proper ly configured. If there is too m uc h broad cast traffic[...]

P ORT C ONFIGURATION 2-31 Command Line Interface Specify an interface, and then enter th e threshold. T his thresho ld will then be set for all ports. The following sets broadcast suppression at 1000 packets pe r sec ond. Use t he no switchport br oadcast command to disable br oadcast st or m control. Configuri ng Port Mirrorin g Y ou can mirror tr[...]

C ONFIGURING THE S WI TCH 2-32 Command Line Interface Use th e interf ace comman d to select th e monitor po r t, then us e the port monit or command to specify the sou rce port. Note th at default mirrorin g under t he CLI is f or both recei v ed and tra n smitt ed pack ets. Configuring P ort Security Use the P or t Securi ty Configurat ion page t[...]

A DDR ESS T ABLE S ETTINGS 2-33 Command Line Interface Specify th e requi red interfa ce, then ente r “P or t Secu rity .” T o d isable th is feat ure ente r “No Port Secur ity .” Addre ss Tabl e Settin gs The swit ch stores the addresses o f kno wn devices. This infor m ation is used to route traffi c direct ly betw een the inbou nd and ou[...]

C ONFIGURING THE S WI TCH 2-34 F o r examp le, the fol lowing scre en shows th e dyna mic add resses f or port 11. Command Line Interface This exampl e also disp lays the add ress table ent ries for po r t 11. Conso le#show bridge 1 ethe rnet 1/ 11 3-81 Inte rface M ac Addr ess Vlan Type ------- -- ------ ------- ---- ---- --------- ------- - Eth 1[...]

A DDR ESS T ABLE S ETTINGS 2-35 Setting Static Addresses A static address can b e assigned to a specific int erface on t his swit ch. T raffic sent from devic es listed in the static address table will only be accepted on t he spec ified in terface . If any pac ke ts with a s ource address listed in this t able enter another interface, they will be[...]

C ONFIGURING THE S WI TCH 2-36 Changing the Agin g Time Y ou c an set the agin g time for ent ries in th e dynamic a ddress tab le. Command Usa ge The range for aging time: 10 - 1000000 seconds . (The default is 300 second s.) We b I n t e r f a c e Clic k Address T able/Addres s Aging . Specify th e new aging ti me, th en click “A p p l y. ” C[...]

S PANNING T REE P RO TO CO L C ONFIGURATION 2-37 Spanni ng Tree Prot ocol Config uration Th e Spanni ng T re e Alg orithm ( STA) detect s and disab le network loo ps and provides backup links between s witches , bridg es, and routers to ensure that onl y one rou te exists be tween any two statio ns on the ne tw o rk. The backup links automatically [...]

C ONFIGURING THE S WI TCH 2-38 • Priority – Bridge priority is used in se lecting the root device, root po rt, and des ignated por t. The de v ic e with the hi ghest pri ority becom es the STA root device. However, if all devic e s have the same prio rity, the device with the lowes t MAC address will then bec ome the root de vice. • Default: [...]

S PANNING T REE P RO TO CO L C ONFIGURATION 2-39 Displaying the current global s et tings for STA We b I n t e r f a c e Click Spa nning T ree/S T A Infor mation. Command Line Interface This c ommand displays global STA settings , followed by the settings for eac h port. Note: The current root port and cu rrent root co st disp lay as zero when this[...]

C ONFIGURING THE S WI TCH 2-40 Configur ing the global settings for STA We b I n t e r f a c e Click ST A/STA Configuration. Modify the re quired attributes then c lick “A p p l y. ” Command Line Interface This examp le enables S pannin g T ree Protocol, and th en sets the indicated attribut es . e Conso le(conf ig)#bri dge 1 s panning -tree 3-[...]

S PANNING T REE P RO TO CO L C ONFIGURATION 2-41 Managing Interface Setti ngs Y ou can configure STA attributes for specific interfaces, including port prior ity , path cost, an d fast forward ing . Use a differ ent priority o r path cost for por ts of the s ame media type to indic ate the p refer red path . Fields and Attri butes • STA S tate ?[...]

C ONFIGURING THE S WI TCH 2-42 • Path Cost – This paramet er is used by the STA to deter mine the be st path b etween d evices. The refore, lower values should be a ssigned to ports attached to fa ster media, an d higher values a ssigned to ports w ith slower m edia. ( Path cost takes p recede nce over po rt priority.) •R a n g e : - E therne[...]

S PANNING T REE P RO TO CO L C ONFIGURATION 2-43 Command Line Interface This exampl e sho ws the ST A attrib utes for por t 5. Conso le#show bridge group 1 ether net 1/5 3-94 Bridg e-group inform ation ----- ------- ------- ------- ------- -------- ------- ------- ------- Spannin g tree prot ocol :IEEE Std 802.1D Spannin g tree enab le/disa ble :en[...]

C ONFIGURING THE S WI TCH 2-44 We b I n t e r f a c e Click ST A /ST A P or t Configuration or ST A T r unk Configuratio n. Modify the required attributes, then click “ Apply . ” Command Line Interface This e xample sets the STP attr ibutes for po rt 5. Conso le(conf ig)#int erface eth ernet 1/5 Conso le(conf ig-if)# bridge- group 1 priorit y 0[...]

VLAN C ONFIGURATION 2-45 VLAN C onfig uration In conventional networks with route rs , broadcast traffic is split up into separate domains. Switches do not inherent ly support broad cast domains . Th is can lead to broadcas t stor ms in large netw orks th at handle traffic such as IPX or NetBeui. By using IEEE 802.1Q-c ompliant VLANs, yo u can or g[...]

C ONFIGURING THE S WI TCH 2-46 Assigni ng Port s to VL ANs Before enabling VLANs for the switch , you m ust first assign each port to the VLAN g roup(s) in wh ich it will partic ipate . By default all por ts are assigned to VLAN 1 as untag ged ports . Add a po r t as a tagg ed port (that is , a port attach ed to a VLAN-a ware device) i f y ou wan t[...]

VLAN C ONFIGURATION 2-47 group s it wa n ts to join. When this switch recei ves these messages , it will autom atically pla ce the recei ving port in the sp ecified VLANs and for ward the me ssag e to all o ther por ts. When th e mess age a rrives at another switch that supports GVRP , it will also place t he r eceiving port in the specified VLAN s[...]

C ONFIGURING THE S WI TCH 2-48 Enabling or Disabling GVRP (Global Setting) GARP VLA N R egistrat ion Protocol (G VRP) define s a wa y for switch es to exc h ange VLAN info rm ation in order to reg ister VLAN memb ers on ports acro ss the netw ork. VLANs ar e dynamicall y configure d based on join messag es iss ued by host de vices and p ropag ated [...]

VLAN C ONFIGURATION 2-49 Displaying Ba sic VLAN Info rmation Fields and Attri butes • VLAN Version Number – T h e V L A N v e r s i o n u s ed by t h i s s w i t ch a s specified in the I EEE 802.1Q standard. (We b Interface only.) • Maximum VLAN ID – Maximum VLAN ID r ecognized by this switch. • Maximum Number of Supported VLANs – Maxi[...]

C ONFIGURING THE S WI TCH 2-50 Displaying Current VLANs The VLAN Curren t T able sho ws the current port member s of each VLAN and whether or not the por t supp or ts VLA N tag ging . P orts assi gned to a large VLAN group tha t crosses se veral s witches should use VLAN tag ging. Ho wever, if y ou just want to create a small port -based VLAN fo r [...]

VLAN C ONFIGURATION 2-51 Command Line Interface Fields and Attri butes • VLAN – ID of co n figured VLAN (1-4094, no leading zeroes.) • Type – Shows how this V LAN wa s added to th e switch. • Dynamic : Automatically learne d via GVRP. • Static : Added as a st atic entry. • Name – Name of the VLAN (1 to 32 characters.) • Status –[...]

C ONFIGURING THE S WI TCH 2-52 Creating VLANs Use th e VLAN S tatic List to create or remove V LAN groups . T o propagate information about VLAN groups used on this switch to external netw ork devices , you mus t specify a VLAN ID fo r each of these gro ups . Fields and Attri butes • VLAN I D – ID of configured VLAN (1-4094, no leading zeroes.)[...]

C REA TIN G VLAN S 2-53 Adding Interf aces Based on Membership Type Fields and Attri butes • Port – Port id entifier . • Trunk – Trun k ide ntif ier. • VLAN – ID of configured VLAN (1-4094, no leading zeroes.) • Name – Name of the VLAN (1 to 32 characters.) • Status – Show s if this VLAN is enabled or disabled. • Enable - VLAN[...]

C ONFIGURING THE S WI TCH 2-54 We b I n t e r f a c e Click VLAN/VLAN St atic T able. Select a VLAN ID from the sc roll-down list. Modify the VLAN name and status if required. Sele ct the membership type by marking t he appr opriat e radio b utton i n the list of por ts or tr unks . Click “ A pply . ” Command Line Interface This examp le adds t[...]

C REA TIN G VLAN S 2-55 Adding Interf aces Based on Static Membership Fields and Attri butes • Interface – Port or trunk identifi er. • Member – VLAN s for which the selected i nterface is a tagged me m ber. • Non-Member – VLANs for which the selected interface is not a tagged member. W eb Interface Click VLAN/VLAN Static Membership . S[...]

C ONFIGURING THE S WI TCH 2-56 Configuring V LAN Behavior for Interfaces Y ou can configure VL AN behavior for specific interfaces , including default V L AN id entifie r (PVID), ac ce pted fr ame types , ing ress fi ltering, GVRP status , and GARP timers . Command Usa ge • GVRP – GARP VL AN Reg istratio n Protoc ol define s a way for switch es[...]

C REA TIN G VLAN S 2-57 • GVRP Stat us – Enables/dis ables GVRP fo r the inter face. GVRP must be globally enable d for the switch before this setting can take effect. (See “Displayi ng Bridge Exte nsion Capabilitie s” on page 2-22) When disabled, any GVRP packets receiv ed on this port will b e discarded and no GVRP reg istrations will be [...]

C ONFIGURING THE S WI TCH 2-58 • Mode – Indicate s VLAN membership mod e for a port. (Configure via CLI, see page 3-99.) • Trunk – Specifies a port as an end-po int for a VLAN trunk. A trunk is a di rect link bet w een t wo swit ches, so the port trans m its and recei ves tagge d frames th at identify th e source VL AN. • Hybrid – Speci[...]

C REA TIN G VLAN S 2-59 Configuring P rivate VLANs A Private VLAN allows mod ification of th e default V LAN to provide por t-based security and isolat ion between ports w ithin the VLAN . Data traffi c on downlink por ts can on ly be forwarde d to , and f rom, uplink por ts. Pri vate VLAN s and nor mal V LANs can exis t sim ultaneously within the [...]

C ONFIGURING THE S WI TCH 2-60 Downlink po rts a nd uplink ports c an only be c onfigured in cer tain gro ups . F or example, on the W eb sc reen shown on the followin g pag e , only tr unk 1 displays as a d ownlink interface . How e ve r, since ports 9 and 17 are members of tr unk 1, por ts 9-24 wo uld all be configured as downlink ports. Fields a[...]

C REA TIN G VLAN S 2-61 Click Pri vate VLAN/ Priv ate VLAN Link Con figuration, then select Uplink or Downlink to config ure the por ts as uplink or downlink por ts .[...]

C ONFIGURING THE S WI TCH 2-62 Command Line Interface This e xample shows tr unk 1 being config ured as a downlink interface. Howev er, since ports 9 and 17 are members of tr unk 1, ports 9-24 would all become downlink ports . In this ex ample ports 9 and 17 a re shown be ing configu red as downlin k ports. P or ts 10-16 and 18-24 will also beco me[...]

C LASS OF S ER VICE C ONFIGURATION 2-63 Class o f Servic e Configura tion Class of Ser vice (CoS) allows you to sp ecify which data packets ha ve greater pr ecedence w h en t raffic i s buff ered in th e switch due to cong estion . This sw itch suppo rts C oS with four priorit y queues for each port. Data pack e ts in a port’ s high-p riority que[...]

C ONFIGURING THE S WI TCH 2-64 We b I n t e r f a c e Click Priority/T r unk Priority or Port Priority . Modify the default priority for any interface, then click “ App ly .” Command Line Interface Th is example ass igns a def ault priority of 5 to po rt 3. Console (config )#inter face ethe rnet 1/3 3-69 Console (config -if)#sw itchpor t priori[...]

C LASS OF S ER VICE C ONFIGURATION 2-65 Mapping Priority C lasses to Egres s Queues This sw itch support s Class of Ser vice by using four priority queue s , with W eig hted Round Robi n Queu ing fo r each por t. Eig ht tra ffic classe s are defined in IEEE 802.1p . The default priority lev els are assigned acc o rding to recommendations in the IEE[...]

C ONFIGURING THE S WI TCH 2-66 Fields and Attri butes • Priority – CoS value. (Range: 0 to 7, where 7 is the highest priority.) • Traffic Class – Output queue buffer. ( Range: 0 - 3, w here 3 is the high est priori ty queue. ) We b I n t e r f a c e Click Priority/T raffic Class . Assign CoS priorities to the switch’ s four traffic class [...]

C LASS OF S ER VICE C ONFIGURATION 2-67 Command Line Interface Th e following exa mple shows how to map C oS values 1 and 2 to switch output qu eue 0, CoS v alues 0 and 3 to switc h output queue 1, Co S values 4 and 5 to s witch out put queue 2, and CoS v alues 6 and 7 to sw itch output queue 3. Queue Scheduling In the Queue Scheduling p age, you c[...]

C ONFIGURING THE S WI TCH 2-68 We b I n t e r f a c e Click Priority/Queue Scheduling . Note: To change a table sett ing, select the ent ry in t he WRR Sett ing Table and typ e the new w eight in th e Weight Value bo x, then click “Apply. ” To reset the fields to their current value, c lick “ Refresh.” Command Line Interface The following e[...]

M APP ING L AY ER 3/4 P RIO RITIE S TO C O S V ALUE S 2-69 Mapping Lay e r 3/4 Pri o riti es to CoS Val ues This sw itch suppor ts several common method s of prioritizin g la y er 3/4 traffic to meet application re quirements . T raffic prio rities can be specified in the IP he ader of a fram e, using the p riority bits in th e T ype of Ser vice (T[...]

C ONFIGURING THE S WI TCH 2-70 Mapping IP Precedence The T ype of Se r vice (T oS) octet in the IPv4 heade r includes thr ee preceden ce bits defin ing eight pri ority lev els rangin g from h ighest priority for ne twor k contro l pack ets to lo west prio rity for rout ine traffi c. Bits 6 and 7 are us ed for netw ork contro l, and the o ther bits [...]

M APP ING L AY ER 3/4 P RIO RITIE S TO C O S V ALUE S 2-71 We b I n t e r f a c e Click Priori ty/IP Precedence/DSCP Priority Status, a n d select IP Preced ence. Clic k IP P recedence Prior i ty from the Priority menu. Select an IP Preceden ce value from the I P Precedence Priori ty T able b y clicking on it with y our cursor , enter a v alue in t[...]

C ONFIGURING THE S WI TCH 2-72 Command Line Interface The follo wing exampl e globally enables IP Pre cedence s er vice on the switc h, maps IP Prec edence val ue 1 to CoS value 0, and then dis pla ys all the IP Precedence se ttings . Console (config )#map i p prece dence 3-131 Console (config )#inter face ethe rnet 1/5 3-69 Console (config -if)#ma[...]

M APP ING L AY ER 3/4 P RIO RITIE S TO C O S V ALUE S 2-73 Mapping DSCP Priority The DSCP is six bits wide, allo wing coding for up to 64 d ifferent forward ing behaviors. The DSCP re place s the T oS bits , and it reta ins backward compatibility with the three precedence bits so th at non-DSCP compliant, T oS-enabled d evices , will n ot conf lict[...]

C ONFIGURING THE S WI TCH 2-74 We b I n t e r f a c e Click Priori ty/IP Precedence/DSCP Priority Status , and select IP DSCP . Click IP DS CP Pr iori ty from the Priorit y menu. Select a DSCP priority valu e from the DSCP Priority T able by click ing on it with your cur sor, enter a v alue in the Class of Ser vice V alue field, and then clic k “[...]

M APP ING L AY ER 3/4 P RIO RITIE S TO C O S V ALUE S 2-75 Command Line Interface The following examp le globally enables DSCP Priority se r vice on the switch , maps DSCP v alue 1 to CoS value 0 on port 5, and then disp l a ys all the DSCP Priority settings fo r that por t. Map ping IP Port Pri ority In the IP Port P riority page , for each s witc[...]

C ONFIGURING THE S WI TCH 2-76 We b I n t e r f a c e Click Priori ty/IP Priority Status and then select En abled. Click IP P or t Priority fro m the Priority menu. Select the port or tr unk. T o add an I P port, type the port number in t he I P P ort bo x and the new CoS value in the Class of Ser vice box, then click “ Apply .” T o delet e an [...]

M APP ING L AY ER 3/4 P RIO RITIE S TO C O S V ALUE S 2-77 Copy Prio rity Settings Use the Copy Settings page to copy pr iority sett ings from a one port or tr unk to anoth er por t or tr unk. Fields and Attri butes • Source Interface – The port o r trunk from wh ich the pr iority settings are copi ed. • Dest ination Interf ace – Th e port [...]

C ONFIGURING THE S WI TCH 2-78 Port Trunk Config uratio n P orts can be combin ed into an ag gregate link to increas e the band width of a netw ork conne ction where bo ttlenecks exist, or to ensure fault re cov er y . Y ou can con figure tr unks between any two switche s of the sam e type. Y o u can crea te up to six tr un ks at a time. The uplin [...]

P ORT T RUN K C ONFIGURATION 2-79 • The ports on both e nds of a tru nk must be con figured the same for speed, duplex m ode, and flow control. • If the targe t switch has also enab led LACP on th e connected ports , the trunk will be activate d. • If more than fo ur ports at tached t o the sa me target switch ha ve LACP enabled, the addition[...]

C ONFIGURING THE S WI TCH 2-80 Command Line Interface This exampl e creates tr unk 1 with po r ts 25 and 26. J ust conn ect these por ts to two static tr unk po rts on anothe r switch to fo rm a tr unk. Console (config )#inter face port -channe l 1 3-69 Console (config -if)#ex it Console (config )#inter face ethe rnet 1/25 3-69 Console (config -if)[...]

C ONFIGURING SNMP 2-81 Th e following shows LACP enab led on po rts 1 and 2. B ecause LACP has also bee n enabled on the ports at the o ther end of the links , the show interfaces status por t-channel 2 command shows th at T r unk 2 ha s been established . Conf iguring SNMP The switc h includes an onboard agent t h at co ntin uously monit ors th e [...]

C ONFIGURING THE S WI TCH 2-82 Setting Community Access Strings Y ou may co nfigure up to fiv e community s trings authorized fo r manag em ent acce ss . For secu rity rea sons, you should consid er rem oving the de fault str ings. Fields and Attri butes • Community String – A community string ac ts as a password and permits access t o the SNM [...]

C ONFIGURING SNMP 2-83 Specifying Trap Managers Y ou can specify up to five management stations that will receiv e authentica t ion f ailure messag es a nd other t rap messages from the switch . Command Usa ge • Enable or di sable auth entica tion message s via the W eb Interface . • Enable o r disable authent ication messages , link-up-dow n m[...]

C ONFIGURING THE S WI TCH 2-84 Multic ast Conf igurati on Multicasting is used to suppor t real-time applications such as video conferen cing or streami ng audi o . A multic ast ser v er does n ot ha ve to establish a sep arate connection with each client. It merely broadcasts its ser vic e to the ne tw o rk, and any h osts that want to receive the[...]

M ULTICAST C ONFIGURATION 2-85 Command Usa ge • IGMP Sn ooping – This swi tch can passive ly snoop on I GMP Query and Report pac kets transfer red betwee n IP multi cast rout ers/switch es and IP multicast host groups to identify the IP multicast group members. It simply mon itors the I GMP packets p assing thr ough it, picks out t he group reg[...]

C ONFIGURING THE S WI TCH 2-86 • IGMP Report Delay – Sets the time (in seco nds) betw een rece iving an IGMP Re port for an IP multicast address on a port b efore the switch sends an IG MP Query out of that port and r emoves the entr y from its list. (Default : 10 seconds, Range: 5 - 30.) • Query Timeout – Sets the time (in second s) the s [...]

M ULTICAST C ONFIGURATION 2-87 Command Line Interface Th is exa mple mo difi es the s etting s for multi cast filtering, and then dis plays the current s tatus . Interfaces Att ached to a Multicast Ro uter Multicast routers use the infor mation obtaine d from IGMP Quer y , along with a m ulticast routing protocol s uch as DVMR P , to suppo r t IP m[...]

C ONFIGURING THE S WI TCH 2-88 We b I n t e r f a c e Click IGMP/Multicast R outer P o rt Infor mation. Select the required VLAN ID from the scroll-down list to display the associated multicast routers . Command Line Interface This example shows t h at P ort 11 has been statically c o nfigured as a por t attach ed to a multicast ro uter. Specifying[...]

M ULTICAST C ONFIGURATION 2-89 Fields and Attri butes • Interface – Activates the Port or T runk scroll-down list. • VLAN I D – Selects the VLAN to propagate all multicast traffic coming from the attached multic ast router/swi tch. • Port or Trunk – Specifie s th e interface att ached to a mu lticast ro uter. We b I n t e r f a c e Clic[...]

C ONFIGURING THE S WI TCH 2-90 Displaying Port Members of Mult i cast Services Y ou can d ispla y the port members ass ociated with a s pecified VLAN an d multicast IP address. Fields and Attri butes • VLAN I D – Select s the VLAN from which t o displ ay port membe rs. • Multicast IP Address – The IP addres s for a specif i c m ulticast ser[...]

M ULTICAST C ONFIGURATION 2-91 Command Line Interface This e xample displays all the known multicast ser vic es suppor ted on VLAN 1 , along with the ports p ropag ating the corresponding s er vices . The ty pe fiel d sho ws whether th is entry was le arned dynami cally or was statically configured. Adding Mu lticast Addr esses to VLANs Multicast f[...]

C ONFIGURING THE S WI TCH 2-92 We b I n t e r f a c e Clic k IG MP/GMP Member Port T able. Specify the i nterface attached to a multicast ser vice (via an IGMP-e nabled switch or multicast router), indicate the VL AN that will propag ate the multicast ser vic e, specify the multicast IP address, and then click “ Apply .” Command Line Interface [...]

S HOWING D EVI CE S TATI STI CS 2-93 passing thro ugh each port. A ll values displayed ha ve been acc umulated sinc e the la st sy stem reboot, and are sho wn as counts per second. Statistics are refres hed every 60 sec o nds by de fault. Note: RM ON g roups 2 , 3 a nd 9 can only b e acc essed using SNMP management software . We b I n t e r f a c e[...]

C ONFIGURING THE S WI TCH 2-94 Command Line Interface This e xample shows st atistics for port 13. Console #show i nterfac es coun ters et hernet 1/13 3-77 Etherne t 1/13 Iftabl e stats : Octet s input : 86845 3, Octe ts outp ut: 349 2122 Unica st inpu t: 7315 , Unitc ast out put: 66 58 Disca rd inpu t: 0, D iscard output: 0 Error input: 0, Err or [...]

R ATE L IMIT C ONFIGURATION 2-95 Rate Limit Configuration This f unction allows t he network manag er to co ntrol the ma ximum rate for traffic transmitted or received on a por t. Rate limiting is confi gured on ports at t he edge of a netw ork to limit traff ic into or out of t h e ne twor k. T raffic that falls within the rate limit is transmitte[...]

C ONFIGURING THE S WI TCH 2-96 We b I n t e r f a c e Click Rate Limit/Rate Limit Status to enable/disab le this feature globally . Then click Rate Limit Po r t Configuration or Rate Limit T r unk Configuration to configure the rate limit for individual ports or tr unks. Command Line Interface Use the rat e-limit inp ut command in Glo bal configura[...]

VDSL C ONFIGURATION 2-97 VDSL Configuration Y ou can c onfigure an d display communicati o n pa rameters for VDSL an d Ether ne t por ts on the switch and connect ed CPEs. Note: The te rm EFM used in this sectio n stan ds for Eth e rnet in the Fir st Mile. The “firs t mile” is the connection between busin ess and residential users and the publ [...]

C ONFIGURING THE S WI TCH 2-98 Notes: 1. The ac tual dat a ra tes may be less t han those show n in the table depe nding on the prot ocols /applicat ions used. 2. If the “L L” type prof ile is selected , the erro r rate due to no ise in transmissio n, is increased, but the sign al latency is reduced. 3. The “Pub lic” profiles conform to spe[...]

VDSL C ONFIGURATION 2-99 We b I n t e r f a c e Click VDSL/VDSL Global Configuration. Command Line Interface This e xample shows configuring the sw itch to public-ansi profile. VDSL Port Configu ration Y ou can enable/dis able a selected port, enab le/disable R emote Digital Loopba ck (RDL), set the v a lue for EFM f low contro l (the maximum spee [...]

C ONFIGURING THE S WI TCH 2-100 Fields and Attri butes • Act ive Stat us – Check th is box to enable the selected port. • RDL – Check th is box to en able Remote Digital Loop back (RDL.) RDL tests the link between the switch a nd the CP E by send ing out, and returning da ta through the CP E, over the VDSL link (see “ef m-r dl” o n p ag[...]

VDSL C ONFIGURATION 2-101 Command Line Interface Th e foll owing exa mple s show how th ese fe atures are co nfig ured in the CLI. Th is example d isables VDSL por t 1. The following example shows how to enable/disable RDL on VDSL por t 1. The follo wing example shows VDSL p ort 1 configur ed to a max imum trans mission rate of 1 Mbps. The foll owi[...]

C ONFIGURING THE S WI TCH 2-102 • Downstream Rate – The rate at which dat a is transmitte d from the switch to the CPE . • Upstream Rate – T he rate at which data is transmit ted from the CP E to the swit ch. • Interleave Depth – The interle ave dept h is a parame ter that deter mines th e degr ee of pro tecti on of the data sign al aga[...]

VDSL C ONFIGURATION 2-103 VDSL Port Link Status Fields and Attributes • Link – Shows the sta tus of the VD SL link. • Link Fail Count – The numb er of time s the switch has tried to re-establish th e link with the CPE since th e link went down. • SNR (dB) – The signal-to-n oise ratio o f the sw itch. • Downstream Rate (Mbps) – The r[...]

C ONFIGURING THE S WI TCH 2-104 We b I n t e r f a c e Click VDSL/ VDSL P or t Link Status .[...]

VDSL C ONFIGURATION 2-105 Command Line Interface The following example displays VDSL lin k curr ent values on V DSL switch por t 2. Console #show c ontroll er efm Etherne t 1/2 a ctual d srserrs 3-156 Downst ream Re ed-Solo mon err ors: 0 Console #show c ontroll er efm Etherne t 1/2 a ctual l ink Link s tatus: Down Console #show c ontroll er efm Et[...]

C ONFIGURING THE S WI TCH 2-106 Displaying VDSL Port Ether net Statistics VD SL P ort Et he rnet Sta tis tics disp la ys key statistics fo r an interface. We b I n t e r f a c e Click VDSL/VDSL P or t Ether net Statistics .[...]

VDSL C ONFIGURATION 2-107 Command Line Interface Use the sho w interfaces counters command. Example Console #show i nterfac es coun ters et hernet 1/11 3-77 Etherne t 1/11 Iftabl e stats : Octets input : 19648, Oct ets outpu t: 714944 Unitc ast inp ut: 0, Unitcas t outpu t: 0 Disca rd inpu t: 0, D iscard output: 0 Error input: 0, Err or outp ut: 0 [...]

C ONFIGURING THE S WI TCH 2-108[...]

3-1 C HAPTER 3 C OMMAND L INE I NTERF ACE Using the Com mand Line Inte rface Accessing the CLI When acces sing the man agement in terface for the switch ove r a direct connec tion to the s er v er’ s console po rt, or via a T elnet co nnection, t he switch ca n be mana ged by ente ring co mmand key w o rds and param eters at the pr ompt. Usi ng t[...]

C OMMAND L IN E I NTE RFA CE 3-2 2. Ente r the nece ssar y comman ds to comple te your desir ed tasks. 3. Exit th e session wi th the “q uit” or “exit ” command. After c onnecting to the syst em through th e console p o rt, th e login screen displ ays: Telnet Connection T elnet operates over the IP tran spor t prot ocol. In thi s enviro nme[...]

E NTERING C OMMANDS 3-3 After y ou configure t he switc h with an IP ad dress, you can open a T elnet session by perfor ming these st eps. 1. Fr om the remote host, enter t he T elnet co mmand and the IP addr ess of the device y ou want to access . 2. At th e promp t, ent er the u ser name an d system passw ord. The CLI will display th e “Vty-0# [...]

C OMMAND L IN E I NTE RFA CE 3-4 Y ou can e nter comm ands as follo ws: • To enter a s imple com mand, enter t h e com mand key w ord. • To enter multiple commands, e nter each command in the required order. For example, to enable Privileg e d Ex ec command mode a nd disp lay the star tup config uration, e nter: Console> enable Console# show[...]

E NTERING C OMMANDS 3-5 Showing Commands If you enter a “?” at the command prompt , the system will display the first lev el of key words fo r the cur ren t command clas s (Normal Ex ec or Pri vileged Exec) or configur ation class (G lobal, Inte rface , Line , or VLAN Database .) Y ou can als o di spla y a list o f valid k eywords for a specifi[...]

C OMMAND L IN E I NTE RFA CE 3-6 Partial Keyword Lookup If yo u ter minate a partial ke yw ord with a question mark, alt e rnativ es that match the initial letters are provided. ( R ememb er not to leave a space betw een the co mmand and que stion mark.) F or example “ s? ” s hows all the keyw ords starting with “s . ” Negating the Effect o[...]

E NTERING C OMMANDS 3-7 Understanding Command Modes The command s et is di vided into Ex ec and Configurat ion classes . Ex ec commands ge nerally display infor mation on syste m status or clear statisti cal count ers . Co nfigurat ion comm ands, on the othe r hand, mo dify inte rface param eters or enable certai n switc hing functio n s . T hese c[...]

C OMMAND L IN E I NTE RFA CE 3-8 T o ente r Privileged Ex ec mode, e nter the follo wing commands an d passwords : Configura tion Commands Configuration commands are privileged level commands used to modify switch setting s . Th ese commands modify the r unning config uration only and are n ot sav ed when the swit ch is reboo ted. T o store t he r [...]

E NTERING C OMMANDS 3-9 “Console(c onfig)#” which indica tes you hav e p ri vileg ed level access to Global Configur ation comman ds . T o en ter I nterfa ce, Line Confi gurati on, or VLAN m ode you must e nter the “ inte rface ...,” “ li ne .. .” o r “ vlan database ” command while in Glo bal Configuration mode. The system prompt w[...]

C OMMAND L IN E I NTE RFA CE 3-10 Comman d Groups The syst em comma n ds c an be brok en down i nto th e functi onal groups shown below . Command Group Descri ption Page General Basic commands for entering privileged acce ss mode, restarting the system, o r quitting the CLI 3-12 Flash/Fil e Manage s code image or switch conf iguration files 3-19 Sy[...]

C OMMAND G RO UP S 3-11 Priority Sets port p riority fo r untagged frames, relative weight fo r each priority queue, and the m aximum number o f que ues en abled; a lso sets p riority fo r TCP/UDP traffic type s, IP precedence , and DSCP 3-124 Monitor Port Mirrors data to a n other port for ana lysis without affecting the data p assing through o r [...]

C OMMAND L IN E I NTE RFA CE 3-12 General Comman ds Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Inter face Conf igurat ion), LC (Line Configuration ), VC (VLAN Database Configuration.) Command Function Mode Page enable Activates privileg[...]

G ENERAL C OMMANDS 3-13 enable Use this command to activate Pri vileg ed Ex ec mode. In privileged mode, addition al commands ar e av ailable, and ce r tain commands dis play additiona l infor matio n. See “Unde rstanding Command Modes ” on pag e 3-7. Syntax ena ble [ lev el ] leve l - Privil e ge level to log in to the device. The device has t[...]

C OMMAND L IN E I NTE RFA CE 3-14 • You cann ot set a null password with t h e enable password command. You will have to enter a pass word to access the Privileged Exec mode . Example Related Commands disable enab le password disable Us e th i s c om m an d to re t ur n t o N or ma l Exe c m o de fr o m pr iv il eg ed m o de . In normal acce ss m[...]

G ENERAL C OMMANDS 3-15 configure Use this command t o activate Global Co nfiguration m ode. Y ou must enter this mo de to mod ify an y setting s on th e switch. Y ou must a lso ente r Global Configur ation mode prior to en abling s ome of th e other configuration m odes , in cluding Interface Config uration, Line Config uratio n, and VLAN D ataba [...]

C OMMAND L IN E I NTE RFA CE 3-16 Example In this exam ple, the show hi stor y c ommand lists th e conte nts of th e comma nd his tory buffer: The ! comm and repeats c ommands from th e Execution command hist ory buffer wh en you are i n Nor mal Ex ec or Pri vileged Exec mode, and command s from the Configurat ion command hist ory buffer when you a[...]

G ENERAL C OMMANDS 3-17 Example Th is example sh ows how to rese t the switch: end Use this command to return to Pri vileged Exec m ode. Default Setting None Command Mode Global Configu ration, Interfac e Conf iguration, Line Configuration, VLAN Database Conf iguration Example This examp le sho ws how to return to the Pri vileged Ex ec mod e from t[...]

C OMMAND L IN E I NTE RFA CE 3-18 Example This examp le sho ws how to return to the Pri vileged Ex ec mod e from the Global Configur ation mode , and th en quit t he CLI sess ion: quit Use this command to exit the co nfiguration pro g ram. Default Setting None Command Mode Normal Ex ec, Privileged Exec Command Usa ge The quit and exit commands c an[...]

F LASH /F ILE C OMMANDS 3-19 Flash/File Commands These comma nds are used to manage the system code or confi guration files . Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Interf ace Con figuration), LC (Line Configuration ), VC (VLAN Data[...]

C OMMAND L IN E I NTE RFA CE 3-20 Syntax copy file { file | r unning-config | startup-config | tftp } copy running-config { file | star tup-config | tftp } copy sta r tup-config { file | run ni n g- co nf i g | tftp } copy tftp { file | r unning-config | star tup-conf ig } • file - Keyword that allows y ou to copy to /from a file . • r unning-c[...]

F LASH /F ILE C OMMANDS 3-21 Example The foll owing example sho ws how to upload t he configura tion sett ings to a file on the TFTP ser ver: Example Th e following exa mple shows how to copy the ru nning co nfigura tion to a star tup file . Example Th e following example s hows how to down load a configur at ion fil e: Conso le#copy file t ftp Cho[...]

C OMMAND L IN E I NTE RFA CE 3-22 delete Use this co mmand to delete a f ile or image. Syntax delete filename filename - Name of the configuration file or image name. Default Setting None Command Mode Privile g ed Ex e c Command Usa ge • If the file type is boot-ROM or is used for syste m startup, then this file cann ot be dele ted. • “F acto[...]

F LASH /F ILE C OMMANDS 3-23 dir Use this command t o display a list of files in Flash memor y . Syntax dir [ boot-r om | conf ig | opcode [: file name ]] The type of file or i mage to display in cludes: • boot-rom - Boot ROM • config - Configuration file • opcode - N a m e o f t h e f i l e o r i m a g e. If this file exists but contains e r[...]

C OMMAND L IN E I NTE RFA CE 3-24 Example The following example shows how to display all file infor mation: whichboot Use thi s command t o display wh ich files boot ed at the la st boot. Default Setting None Command Mode Privile g ed Ex e c Example This examp le sho ws the information disp laye d by the whichboot comma nd. See t he table on pag e [...]

F LASH /F ILE C OMMANDS 3-25 boot system Use this command to specify the file or image used to start up t he system . Syntax boot system { boot-rom | config | opcode }: filename The ty pe of file or imag e to set as a de fault includes: - boot-rom - Bo ot R O M - config - Co nfigurat ion file - opcode - Run-time opera tion code The colon (: ) is re[...]

C OMMAND L IN E I NTE RFA CE 3-26 System Mana gement Com mands These comman ds are used to control syst em logs , passw ords , user name , browser configur ation o ptions, and disp lay or con figure a varie ty of ot her system infor m ation. Comman d Func tion Mode Page Device Description Command hostname Specifies or modif ies the host name for th[...]

S YSTE M M ANAGEME NT C OMMANDS 3-27 Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Interf ace Con figuration), LC (Line Configuration ), VC (VLAN Database Configuration.) hostname Use this co mmand to specify or modify t he host name for t[...]

C OMMAND L IN E I NTE RFA CE 3-28 username Use this command to require user n ame authentica tion at log in. Use t he no form to remov e a user name . Syntax user name name { access-lev el le vel | nopassw ord | passwo rd { 0 | 7 } password } no user name name • name - T he n ame of the user . • (Maxim um length : 8 ch aracters; maximum number [...]

S YSTE M M ANAGEME NT C OMMANDS 3-29 Command Usa ge The encr ypted password is require d for compatibility with leg acy password settings (i.e., plain te xt or encr ypted), w hen reading the configur ation file during s ystem bootu p or when downloadin g the configur ation file from a TFTP ser ver . T here is no need to manually confi gure e ncr yp[...]

C OMMAND L IN E I NTE RFA CE 3-30 Command Usa ge The enc rypted pass word i s for mac hine use o nly . T o create an encr ypte d password, you must us e an appr opriate encr yption alg ori thm. Example Related Commands enab le ip http port Use this command to specify th e TCP port numb er used by t he W eb bro wser interface . Use the no form to us[...]

S YSTE M M ANAGEME NT C OMMANDS 3-31 ip http server Use this command to all ow this d evice to be mon itored or co nfigure d from a b rowser . Use th e no form to disable this fun ction. Syntax ip http s er ver no ip http server Default Setting Enab led Command Mode Global Configuration Example Related Commands ip http por t logging on Use this com[...]

C OMMAND L IN E I NTE RFA CE 3-32 Command Usa ge The log ging proces s controls e rro r messag es to be sent to SNMP tr ap rec eiver s . Y ou can us e the lo g ging hi story comma nd to cont rol the type of error mess ages th at are stor ed in mem ory and sent to a specified SNMP trap recei ver . Example Related Commands log ging histor y clear log[...]

S YSTE M M ANAGEME NT C OMMANDS 3-33 Default Setting Flash : er rors (level 3 - 0) RAM: w ar nings (l ev el 7 - 0) Command Mode Global Configuration Command Usa ge Sending syslog messag es to the S NMP network manag ement station occurs when you enable syslog traps wi th the snmp enab le traps command. Example Related Commands snmp- ser ver enabl e[...]

C OMMAND L IN E I NTE RFA CE 3-34 Default Setting None Command Mode Privile g ed Ex e c Example Related Commands show log ging show l oggi ng Use th is command to displa y the lo g ging configuration for system and ev ent messages . Syntax show logging { fl a s h | ram } • fl a s h - Event histo ry st ored in f lash memor y (i.e., per manent memo[...]

S YSTE M M ANAGEME NT C OMMANDS 3-35 show startup- config Use this command t o display the configuration file stored in nonv olatile memor y tha t is used to st art up the system . Default Setting None Command Mode Privile g ed Ex e c Example Related Commands show r unning-co nfig Conso le#show startu p-confi g build ing sta rtup-co nfig, p lease w[...]

C OMMAND L IN E I NTE RFA CE 3-36 show runnin g-config Use th is command to displa y the conf iguration infor mation cur rently in use . Default Setting None Command Mode Privile g ed Ex e c Command Usa ge Use this comma nd in conjun ction with the show sta rtup-c onfig command to compare the infor mat ion in r unn ing memor y to the infor mation s[...]

S YSTE M M ANAGEME NT C OMMANDS 3-37 show system Use this command to d i spla y system i nfor matio n. Default Setting None Command Mode Normal Ex ec, Privileged Exec Example show u ser s Shows all activ e console and T elnet sess ions , including user name, idle time, and IP address of T elne t client. Default Setting None Command Mode Normal Ex e[...]

C OMMAND L IN E I NTE RFA CE 3-38 show ve rsion Use th is command to displa y hardware and software version infor mation for the system. Default Setting None Command Mode Normal Ex ec, Privileged Exec Example Conso le#show versio n Unit1 Serial nu mber :123 Serv ice tag : Hardwar e version :3021 b Module A ty pe :Stacki ng Module Module B ty pe :10[...]

RADIUS C OMMANDS 3-39 RADIUS Commands Re mote Authen tication Dial-in User Ser vice (R ADIUS) is a system that uses a c entral ser v er running RADIUS soft ware to cont rol access to RADIUS -aware device s on the ne twork. A RADIUS ser ver cont ains a database of multiple user name/password pairs with associated privileg e lev els for eac h user or[...]

C OMMAND L IN E I NTE RFA CE 3-40 • radius local - U se RADIUS ser ver password first and loc al password next. • local radi us - Use local password first and RADIUS ser ver password next. Default Setting None Command Mode Global Configuration Example Related Commands enable password - for se t ting the local passwo rd radius-server h ost Use t[...]

RADIUS C OMMANDS 3-41 radius-serve r port Use this command to s et the RAD I US server netw ork port. Use t h e no for m to res tore the default. Syntax radius-se r ver por t port_ number no radius-se r ver por t por t_nu mber - RADIUS ser ver UDP port us ed for authentication messages . (Rang e: 1-65535) Default Setting None Command Mode Global Co[...]

C OMMAND L IN E I NTE RFA CE 3-42 radius-server re transmit Use this command to set the number o f retr ies . Us e the no fo r m t o r e s t o r e the de fault. Syntax radius -ser ve r retransmi t number_of_ r etries no radius-se r ver ret rans mi t number_ of_r etries - Numb er of times the switch w ill try to authentica te log on access via the R[...]

RADIUS C OMMANDS 3-43 show radius-s erver Use this command to d i sp lay t he current set tings for the RADIUS server . Default Setting None Command Mode Privile g ed Ex e c Example Conso le#show radius -server Serve r IP address : 10.1.0. 99 Communi cation ke y with radiu s server: Server po rt number : 1812 Retrans mit times : 2 Requ est tim eout[...]

C OMMAND L IN E I NTE RFA CE 3-44 SNMP Commands Controls access to this switch from SNMP m anagement stations, as well as the er ro r types se nt to t rap mana gers. Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Inter face Conf igurat ion)[...]

SNMP C OMMANDS 3-45 snmp-serv er community Use this command to define th e community access string for the Sim ple Network Man ageme nt Prot ocol. U se th e no for m to remove t he specified comm unity string . Syntax snmp-ser ver community string [ ro | rw ] no snmp-ser ver community string • string - Commu n ity s t rin g that acts like a p ass[...]

C OMMAND L IN E I NTE RFA CE 3-46 snmp-serve r contact Use th i s co mmand to set the sys tem contact s tring . Use th e no form t o remo ve the system cont act information. Syntax snmp-server contact str ing no snmp-ser ver contact string - String that describes the system conta ct infor mation. (Maximu m length: 255 char acters) Default Setting N[...]

SNMP C OMMANDS 3-47 Example Related Commands snmp- ser ver co ntact snmp-serv er host Use this command to specify the recipient of a Simple Netw ork Manag ement P rotocol n otificatio n operat ion. Use th e no for m to remov e the specif ied ho st . Syntax snmp- ser ver h ost host-a ddr commu nity-s tring no snmp-server host host -addr • host -ad[...]

C OMMAND L IN E I NTE RFA CE 3-48 The snmp -server ho st command is used in conjunct ion wi th the snmp- ser ver enabl e trap s comman d. Use the snm p-se r ver enab le traps command to specify which SNMP notification s are sent globally . F o r a host to rec eiv e notifica tions , a t least one snmp-s er ver enab le trap s comm and and the sn mp-s[...]

SNMP C OMMANDS 3-49 Command Usa ge If you do no t enter a n snmp-ser ver enable tr aps comm and, no notificatio ns controlle d by this comman d are sent. In or der to configur e this devic e to send SNMP notificat ions , you must e nter at least on e snmp-ser ver enable traps co mmand. If you enter the command with no keywords , all notifica tion t[...]

C OMMAND L IN E I NTE RFA CE 3-50 Command Usa ge This command provides counter infor mation for SNMP operations . Example Conso le#show snmp Authent ication : enable Link-up-d own: enabl e SNMP com munitie s: 1. private, an d the privil ege is read- write 2. public , and t he priv ilege i s read-o nly 0 SNMP pa ckets inp ut 0 Bad SNMP version error[...]

IP C OMMANDS 3-51 IP Commands An IP address may be used for management access to the swit ch ov er your network. By de fault, t he switch’ s IP a ddress is set via DHC P . I f you wish to man ually conf igure an I P address , y o u need to change the sw itch’ s default settings (IP address 0.0.0.0 and netmask 255.0.0.0) so that they are compati[...]

C OMMAND L IN E I NTE RFA CE 3-52 ip address Use th is command to set the IP address for this device . Use th e no for m to resto re the default IP address . Syntax ip addre ss { ip-address netma sk | boo tp | dhcp } no ip address • ip-address - IP address • netmas k - Netw or k mask for the associated IP subnet. Th is mask identifies the host [...]

IP C OMMANDS 3-53 • You can st art broad casting BOO TP or DHCP requests by entering a n ip dhcp restart com mand, or by rebooti ng the swi tch. Note: Only one VLA N inter face can be assi gned an IP addr ess (t he default is VLAN 1.) This d efines the mana gement VL AN, the only VLAN throug h which you c an gain manageme nt access to the switch.[...]

C OMMAND L IN E I NTE RFA CE 3-54 Example In the fo llowing ex ample , the device is r eassigned the same add ress . Related Commands ip address ip default-gateway Use this command to establish a static route between thi s device and manageme nt statio ns that ex ist on an other netw ork segm ent. Use th e no for m to remove the s tatic route. Synt[...]

IP C OMMANDS 3-55 Related Commands show ip redire cts show ip interface Use this command to d i sp l a y the settin gs of an IP in terface. Default Setting All interfaces Command Mode Privile g ed Ex e c Command Usa ge This switch can only be assigned one IP ad dress . T his address is used for managing the switch. Example Related Commands show ip [...]

C OMMAND L IN E I NTE RFA CE 3-56 Example Related Commands ip default-gateway ping Use this command to se nd ICMP ec ho request pac kets t o another node o n the netw ork. Syntax ping host [ size siz e ][ count co unt ] • host - I P a d d r e s s o r I P a l i a s o f t h e h o st . • size - Number of bytes in a pac ket. (Range: 32-512, default[...]

IP C OMMANDS 3-57 • Nor mal res ponse -T he nor mal res ponse occurs in one to ten seconds, depe nding on network traff ic . • Destinat ion does not respond - If the host d oes not respo nd, a “no answer f rom host” appe ars in ten s econds . • Destinat ion unreachab le - The g ateway for t his destinatio n indicates that the destin ation[...]

C OMMAND L IN E I NTE RFA CE 3-58 Line Co mmand s Access the on-board con figuration program by attaching a VT100 compa tible de vice to th e ser ver’ s serial p ort. These commands are used to set com munication p arameter s f or the seri al port or T elnet ( i.e. , a virtual ter minal. ) Note: The access mo de shown in t he table is ind icated [...]

L INE C OMMANDS 3-59 line Use this command to identify a specific line for confi guration, and to proce ss subseq uent li ne config uration c ommand s . Syntax line { console | vty } • console - Console ter minal line. • vty - Vir tual ter minal f or remote c onsole acce ss . Default Setting There is no default line. Command Mode Global Configu[...]

C OMMAND L IN E I NTE RFA CE 3-60 Default Setting By def ault , vir tual t er min als re quire a p assword. If you do not set a password for a virtual ter minal, it will respond to attempted connect ions by displaying an e r ror messag e and cl osing the connect ion. Command Mode Line Configuration Command Usa ge If you spec ify login without the l[...]

L INE C OMMANDS 3-61 Command Mode Line Configuration Command Usa ge • Wh en a con nectio n is started on a line with pass word prot ecti on, the system pro mpts for the pas sword. If you enter the co rrect password , the sys tem shows a prompt. You can use the password-thresh command t o set th e number of times a user can ente r an incorrect pas[...]

C OMMAND L IN E I NTE RFA CE 3-62 Command Mode Line Configuration Command Usa ge • If there is user i nput wit hin the exec-timeout in terval, t he curren t session w ill be maintained. If there is no user input w ithin this time interv al, the curre nt session is terminated . • This command applies to both th e local console and Telnet conne c[...]

L INE C OMMANDS 3-63 the next lo gon attemp t. Use the silent-time co mmand to set th is interval. • This command applies to both th e local console and Telnet conne ction s. Example T o set the password thres hold to five attempts, enter this co mmand: Related Commands silent-time silen t-time Use this comma nd to set the amount of time the mana[...]

C OMMAND L IN E I NTE RFA CE 3-64 databits Use this c ommand to set th e number of data b its per charact er that are inter preted a nd g enerate d by the c onsole port . Use the no fo r m to rest ore the de fault value. Syntax data bits { 7 | 8 } no data bits • 7 - Se ven data bits per chara cter . • 8 - Eight data bits per chara cter . Defaul[...]

L INE C OMMANDS 3-65 parity Use this command to define gene ration of a parity bit. Us e the no for m t o restore the default s etting . Syntax parity { no n e | even | odd } no parity • none - No parit y • ev en - Even p arity • odd - Odd parity Default Setting No parity Command Mode Line Configuration Command Usa ge Communication protocols [...]

C OMMAND L IN E I NTE RFA CE 3-66 Default Setting 9600 bps Command Mode Line Configuration Command Usa ge Set the sp eed to match the b aud rate o f the device c onnected to the serial por t. So me baud ra tes av ailable o n devices c onnected to the por t might not be suppo rted. T he syst em indicates if the speed you selected is not suppor ted. [...]

L INE C OMMANDS 3-67 show li ne Use this c ommand to displ ay the ter min al line’ s p arameters. Syntax show lin e [ console | vty ] • console - Console ter minal line. • vty - Vir tual ter minal f or remote c onsole acce ss . Default Setting Shows all lines Command Mode Normal Ex ec, Privileged Exec Example T o show all lines, e n ter this [...]

C OMMAND L IN E I NTE RFA CE 3-68 Interface Commands These comman ds are used to display o r set comm unication par ameters for an Ethernet port, a g gregated link, or V LAN . Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Inter face Conf i[...]

I NTERFACE C OMMANDS 3-69 interface Use this command to co nfigure an int erface type and enter inter face config uration m ode. Syntax interfa ce interface interface • ether net unit / port - unit - T his is device 1. - por t - Port number . • port-channel chan nel-id (Rang e: 1-6) • vlan vlan-id (Rang e: 1-4094) Default Setting None Command[...]

C OMMAND L IN E I NTE RFA CE 3-70 Command Mode Interfac e Configuratio n (Ether net, P or t Channe l) Example The f ollowing example ad ds a descr iption to Ethe rnet por t 25 . speed-duplex Use th is command to configur e the speed an d duplex mode of a giv en inte rface when auto-n eg otiati on is disa bled. Use the no form to restore the defau l[...]

I NTERFACE C OMMANDS 3-71 Example The following examp le configures port 5 to 100 Mbps , h alf-d uplex operation. Related Commands neg otiation negotiation Use th is command to en able a uto-neg otia tion for a giv en inter face. Us e the no form to disable aut o-neg otiati on. Syntax neg otiation no neg otiation Default Setting Enab led Command Mo[...]

C OMMAND L IN E I NTE RFA CE 3-72 capabilities Use th is command to adve r tise the p or t capab i liti es of a giv en interfac e duri ng auto- negotia tion. Use the no for m with paramete rs to remove an advertised capability , or th e no for m without parame ters to r estore the defau lt values Syntax capa bilities { 1000full | 100full | 100h alf[...]

I NTERFACE C OMMANDS 3-73 flowcontrol Use this command to en able f low control. Use the no fo r m t o d i s a bl e f l ow contr ol. Syntax flo wc ontr ol no f low control Default Setting Flow control enabled Command Mode Interfac e Configuration (Etherne t, P or t Chan nel) Command Usa ge • Flow cont rol can eliminate frame loss by “blocking?[...]

C OMMAND L IN E I NTE RFA CE 3-74 clear counters Use th is command to clear stati stics on an interface . Syntax clear counters interface interface • ether net unit / por t - unit - T his is device 1. - por t - Port number . • por t-channe l ch annel-id (Range: 1-6) Default Setting None Command Mode Privile ged Executiv e Example The follo wing[...]

I NTERFACE C OMMANDS 3-75 Command Usa ge This command allows you to disable a por t due to abno rma l behavior (e.g ., ex cessive collisions), and then re-enable it after th e problem has been re solved. Y ou may also wan t to disable a port f or security reasons. Example The following exa mple disables VDSL port 5. switchport broadcas t Use this c[...]

C OMMAND L IN E I NTE RFA CE 3-76 Example The following sho ws how to configure broadcast suppression at 1000 packets per sec ond: show i nterfaces status Use this co mmand to disp lay the stat us for an i n ter face . Syntax show int erfa ces status interface interface • ether net unit / por t - unit - T his is device 1. - por t - Port number . [...]

I NTERFACE C OMMANDS 3-77 show interfaces counters Use this command to d isplay in terface statis tics . Syntax show interfaces c o unters int erfac e interface - ethernet uni t / port • unit - T his is device 1. • por t - Port number . Default Setting None Command Mode Normal Ex ec, Privileged Exec Example Conso le#show interface s counter s e[...]

C OMMAND L IN E I NTE RFA CE 3-78 show i nterface s swit chport Use this comman d to display advanced interface configuration se ttings . Syntax sho w in terfaces s witch port [ interface ] interface • ether net unit / por t - unit - T his is device 1. - por t - Port number . • por t-channe l ch annel-id (Range: 1-6) Default Setting Shows all i[...]

A DDRESS T ABL E C OMMANDS 3-79 Addre ss Tabl e Comma nds These comma nds are used to config ure the address table for fil tering speci fied addresse s, di splayi ng current ent ries , clearing t he table, or setti ng the agin g time. Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileg[...]

C OMMAND L IN E I NTE RFA CE 3-80 • brid ge-gr ou p - Bridg e grou p index (bridg e 1.) • mac-add r ess - MA C address . • vlan-id - VLAN ID (Range: 1-4094) • interface • ether net unit / por t - unit - Th is is device 1. - port - Port number. • por t-channel channel-id (Rang e: 1-6) • actio n - - delete-on-re set - Assignment lasts u[...]

A DDRESS T ABL E C OMMANDS 3-81 show b ridge Use this command to view classes of e n trie s in th e bridge-forwa rding datab ase. Syntax show br idge bri dge-g r oup [ interface ] [ addr ess [ mask ]] [ vlan vlan- id ] [ sort { address | vlan | interfa ce }] • brid ge-gr ou p - Bridg e grou p index (bridg e 1) • interface - ether net unit / por[...]

C OMMAND L IN E I NTE RFA CE 3-82 clear bridge Use th is command to remov e any learned entr ies fr om the for warding data base and to clear the transm it and recei ve counts for any static o r syste m configured entr ies . Syntax clear bridge [ bridge-group ] brid ge-gr ou p - Bridg e grou p index (bridg e 1.) Default Setting None Command Mode Pr[...]

A DDRESS T ABL E C OMMANDS 3-83 Example show bridge group agin g-time Use this command t o show the aging time for entries in the address table. Syntax show br idge group bridge-group agin g-t ime brid ge-gr ou p - Bridg e grou p index (bridg e 1) Default Setting None Command Mode Privile g ed Ex e c Example Conso le(conf ig)#bri dge-gro up 1 aging[...]

C OMMAND L IN E I NTE RFA CE 3-84 port security Use th is command to configur e a secure port. Use th e no for m to disable por t secur ity . Syntax por t security no por t security Default Setting All por t security is disabled . Command Mode Interface Configuration (Ethernet) Command Usa ge • When po rt security is enabled, the selected port wi[...]

S PANNING T REE C OMMANDS 3-85 Spanni ng Tree Comm ands This secti on incl udes comm ands that con figure STP for the ov erall sw itch, and co mmand s that c onfigu re STP f or the s electe d inter face. Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configurat[...]

C OMMAND L IN E I NTE RFA CE 3-86 bridge spanning-t ree Use this c ommand to enable the spann ing tree alg ori thm globa lly for this switch. U se the no fo r m to disable it. Syntax bridge bridge -gr oup span ning- tre e no bridge bridge -group spa nning -tr ee brid ge-gr ou p - Bridg e grou p index (bridg e 1.) Default Setting Spanning t ree is e[...]

S PANNING T REE C OMMANDS 3-87 bridge forward-time Use this command to co nfigur e the spannin g tre e bridge forwar d time globally for this sw itch. Use the no form to restore the default. Syntax bridge bridge -gr oup for war d-t ime seconds no bridge bridge -group forw ard- time • brid ge-gr ou p - Bridg e grou p index (bridg e 1.) • seconds[...]

C OMMAND L IN E I NTE RFA CE 3-88 bridge hello-time Use th is command to configur e the spannin g tre e bridge hello ti me globally for this sw itch. Use the no form to restore the default. Syntax bridge bridge -gr oup hell o-time time no bridge bridge -group hello-time • brid ge-gr ou p - Bridg e grou p index (bridg e 1.) • time - T i m e i n [...]

S PANNING T REE C OMMANDS 3-89 bridge max-age Use this command to co nfigur e the spannin g tre e bridge maxim um age globally for this sw itch. Use the no form to restore the default. Syntax bridge bridge -gr oup max-age seconds no bridge bridge -group max-age • brid ge-gr ou p - Bridg e grou p index (bridg e 1.) • seconds - Time in seconds . [...]

C OMMAND L IN E I NTE RFA CE 3-90 bridge priority Use this command t o configure the spanning tree priori ty globally for this switch. U se the no form to restore the default. Syntax bridge bridge -gr oup prio rity priority no bridge bridge -group priority • brid ge-gr ou p - Bridg e grou p index (bridg e 1.) • prio rity - Priority of the bridg[...]

S PANNING T REE C OMMANDS 3-91 bridge-gro up path-cost Use this command to configur e the spannin g tree pa th cos t for the specified inte rface . Use the no for m to restore the default. Syntax bridge-group bridge-g r oup path-cost cost no bridge-group bridge-g r oup path-cost • brid ge-gr ou p - Bridg e grou p index (bridg e 1.) • cost - The[...]

C OMMAND L IN E I NTE RFA CE 3-92 bridge-gro up priority Use this command to configure the prior ity for the specifi ed port. Use the no for m to res tore the d efault. Syntax bridge-group bridge-g r oup priority priorit y no bridge-group bridge-g r oup priority • brid ge-gr ou p - Bridg e grou p index (bridg e 1.) • prio rity - The priority fo[...]

S PANNING T REE C OMMANDS 3-93 bridge-gro up portfast Use this command t o set a p o rt to fast for warding . Use the no for m to disable fas t forwa rding . Syntax bridge-group bridge-g r oup por tfast no bridge-group bridge-g r oup por tfast brid ge-gr ou p - Bridg e grou p index (bridg e 1.) Default Setting Disabled Command Mode Interfac e Confi[...]

C OMMAND L IN E I NTE RFA CE 3-94 show bridge group Use th is command to show th e spanning tree c onfiguration. Syntax show bridge group bridge-group [ interface ] • brid ge-gr ou p - Bridg e grou p index (bridg e 1.) • interface • ether net unit / por t - unit - T his is device 1. - por t - Port number . • por t-channe l ch annel-id (Rang[...]

VLAN C OMMANDS 3-95 VLAN Commands A VLAN is a g roup of por ts th at may be located anywhe re in the network, but co m mun icate as thoug h they belong to the same p hysical s egment. This secti on descr ibes command s used t o creat e VLAN groups , add p ort members , speci fy how VLAN tagging is used, an d enable aut omatic VLAN reg istrati on fo[...]

C OMMAND L IN E I NTE RFA CE 3-96 Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Inter face Conf igurat ion), LC (Line Configuration ), VC (VLAN Database Configuration.) vlan database Use this command to enter VLAN dat abase mod e. All com [...]

VLAN C OMMANDS 3-97 Example Related Commands show vlan vlan Use this command to configure a V LAN . Use the no form to restor e th e default se ttings or delete a VL AN . Syntax vlan vlan-id [ name vlan-name ] media ether net [ state { activ e | susp end }] no vlan vlan-id [ name | stat e ] • vlan-id - ID of configured VLAN . (Range: 1-4094, no l[...]

C OMMAND L IN E I NTE RFA CE 3-98 Example The following examp le adds a VLAN , using vlan-id 105 and name RD5. The VL AN is activ ated by d efault. Related Commands show vlan interface vlan Use this co mmand to enter interfac e configuration m ode fo r VLANs , and configure a physical interface . Syntax interface vlan vl an-i d vlan-id - ID of the [...]

VLAN C OMMANDS 3-99 switch port mode Use this command to co nfigure the VLAN mem bership mode for a port. Use the no for m to restore the default. Syntax switch po rt mode { tr u nk | hy br i d } no switchpor t mode • tr unk - Specifies a por t as an e nd-point for a VLAN tr unk. A tr unk is a d irect link between two switches, so the p ort tran [...]

C OMMAND L IN E I NTE RFA CE 3-100 switchport acceptable-frame-types Use this command to configure the acc eptable frame types fo r a port. Use the no for m to resto re the default . Syntax switch por t acceptable-fr ame-types { all | ta gged } no switchpor t acce ptable-f rame-types • all - The port pa sses all fr ames , tag ged or unt ag g ed. [...]

VLAN C OMMANDS 3-101 Default Setting Disabled Command Mode Interfac e Configuratio n (Ether net, P or t Channe l) Command Usa ge • If ingress fi ltering is enabled, incoming frames for VLANs which do not include this in gress port in their member set will be discarded at the in gress por t. • I ngr ess filtering does not affect VLAN i ndepend e[...]

C OMMAND L IN E I NTE RFA CE 3-102 Command Usa ge • If the switchport m ode is set to trunk , the PVID will b e inserted into all untagge d frames sent from a tagged port. • If ingress filte ring in disabled, all untagged frames received on this port will be assi gned to the VL AN indicated by the PVI D. Example The f ollowing example shows how[...]

VLAN C OMMANDS 3-103 Example The f ollowing example shows how to ad d VLANs 1, 2, 5, a nd 6 to the allowed list as tagg ed VLANs for por t 1: switchport forbid den vlan Use this command to configure fo rbidden VLANs . Use the no for m to remov e the list of forbidden V LANs . Syntax switch po rt fo rbidden vl an { add vlan- list | remov e vlan- lis[...]

C OMMAND L IN E I NTE RFA CE 3-104 show v lan Use th is command to show VLA N infor mation . Syntax show vl an [ id vlan- id | name vlan -name ] • id - K e y w o r d t o b e f o l l o w e d b y t h e V L A N ID . • vlan-id - ID of the configured VLAN . (Range : 1-4094, no leading zero es) • name - Keyword to be followed by the VLAN name. - vl[...]

PVLAN C OMMANDS 3-105 PVLAN Commands pvlan Use this command in glob al configuration mode to enable a Pri vate VLAN . Once enabl ed, use the pvlan up-li nk - down-link comma n d to configur e the PVLAN . Use the no for m of the c ommand to disable it. Syntax pvlan pvlan up-l ink interface-list down-link interface-list no pvlan • up-link – Speci[...]

C OMMAND L IN E I NTE RFA CE 3-106 Private VLANs and n or mal VLAN s can ex ist simultaneous ly within t he same s witch . T he mem bers of privat e VLANs can on l y co nsist of certain groups . The po rt g roups per mitted include: F or the 24-Line VDSL Switch: F or the 12-Line VDSL Switch: When one port in a g roup is configured as a downlink or [...]

PVLAN C OMMANDS 3-107 show p vlan Use this command in privileg ed configuration mode to display the config ured private VLANs. Syntax show pvl an Command Mode Privil eged exec Example Console#show pvlan Private VLAN status: Enabled Up-link port: Ethernet 1/25 Down-link port: Trunk 1 Console#[...]

C OMMAND L IN E I NTE RFA CE 3-108 GVRP and Bridge E xtensio n Comma nds GARP VLA N Registration P rotocol d efines a way for switches to exc hang e VLAN infor m ation in order to automatically register VLAN members on interface s across the network. This section de scribes ho w to enable GVRP for individual interfaces and globally for the switch, [...]

GVRP AND B RIDGE E XTENSION C OMMANDS 3-109 swit chport gvrp Use this command to en able GVRP for a port. Use the no fo r m to disable it. Syntax s wi tc hp ort gv rp n o s wi tc hp ort g v rp Default Setting Enab led Command Mode Interfac e Configuratio n (Ether net, P or t Channe l) Example show gvrp configuration Use this command t o sho w if GV[...]

C OMMAND L IN E I NTE RFA CE 3-110 Example garp timer Use this command to set the v alues for the j oin, leav e and lea veall ti mers . Use the no form to res tore the timers’ de fault va lues . Syntax gar p timer { jo in | lea ve | leav eall } timer_v alue no gar p timer { jo in | leav e | leav eall } •{ join | leave | leavea ll } - T he timer[...]

GVRP AND B RIDGE E XTENSION C OMMANDS 3-111 • Timer values must meet th e follow ing rest rictions: - lea ve >= (2 x join) - leaveall > leave Note: Set GVRP timers on all Layer 2 devi ces connected i n the same network to the same values. Ot herwise, GVRP will not o perate success fully. Example Related Commands show gar p timer show garp t[...]

C OMMAND L IN E I NTE RFA CE 3-112 Example Related Commands ga rp t im er bridge-ext gvrp Use this co mmand to enab le GVRP . Use th e no for m to disable it. Syntax bridge -ext gvrp no bridg e-ext gvrp Default Setting Enab led Command Mode Global Configuration Command Usa ge GVRP defin e s a wa y for s w itc hes to e xchange VLAN infor mation in o[...]

GVRP AND B RIDGE E XTENSION C OMMANDS 3-113 show bridge-ext Use this command to sho w th e configurati on for brid g e exte nsion commands . Default Setting None Command Mode Privile g ed Ex e c Example Conso le#show bridge -ext Max support vlan n umbers: 255 Max suppo rt vlan ID: 40 94 Exte nded mu lticast filter ing ser vices: N o Static en try i[...]

C OMMAND L IN E I NTE RFA CE 3-114 IGMP Snoo ping Com mands Th is switch uses IGMP (In tern et Group Ma nag ement Prot ocol) to q uer y for any a t tac hed hosts t hat want to receive a specific m ulticast service. I t ident ifies t h e po r ts cont aining host s reques ting a service and sen ds data out to those ports only . It t hen pro pag ates [...]

IGMP S NOOPING C OMMANDS 3-115 Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Interf ace Con figuration), LC (Line Configuration ), VC (VLAN Database Configuration.) ip igmp snooping Use this command t o enab le IGMP snooping on th is switc[...]

C OMMAND L IN E I NTE RFA CE 3-116 no ip igmp snoopi ng vlan vlan- id static ip-addr ess interface • vlan-id - VLAN ID (Range: 1-4094) • ip-address - IP address for m u lticast group • interface • ether net unit / por t - unit - T his is device 1. - por t - Port number . • por t-channe l ch annel-id (Range: 1-6) Default Setting None Comma[...]

IGMP S NOOPING C OMMANDS 3-117 Command Usa ge • All sy stems on th e subne t must supp ort the same version. If there are legacy device s in your netw ork that on ly suppor t Version 1, you will also have to configure this switch to use Version 1. • Some comm ands are only enabled fo r IGMPv2, includi ng ip igmp query-max-response-time and ip i[...]

C OMMAND L IN E I NTE RFA CE 3-118 • brid ge-gr ou p - Bridg e group in dex. • vlan-id - VLAN ID (1 to 4094) • user - Displa y only the user-configured m ulticast entries . • igmp-snooping - Disp lay only entries lear ned thr ough IGMP snooping. Default Setting None Command Mode Privile g ed Ex e c Example The following shows the multicast [...]

IGMP S NOOPING C OMMANDS 3-119 Command Usa ge If enabled, the switch will ser ve as querier if elected. The querier is responsible for asking hos ts if they want to receive mul ticast tra ffic . Example ip igmp snooping query-count Use this command to configur e the quer y cou nt. Use the no form to restore the default. Syntax ip igmp snooping quer[...]

C OMMAND L IN E I NTE RFA CE 3-120 seconds - T he freque ncy at which the sw itch sends IGMP host-quer y messages . (Range: 60-125) Default Setting 125 secon d s Command Mode Global Configuration Example The following shows ho w to configure the query inter val to 100 seconds: ip igmp snooping query-max- response-time Use th is comma nd to co nfigu[...]

IGMP S NOOPING C OMMANDS 3-121 Example Th e following shows how to configur e the maximum re sponse ti me to 20 second s: Related Commands ip igmp snooping version ip igmp snooping query-ti me-out Use this command to co nfigur e the snoopin g quer y-timeout. Use the no for m of t his comma nd to rest ore the de fault. Syntax ip igmp snoop ing quer [...]

C OMMAND L IN E I NTE RFA CE 3-122 ip igmp snooping vlan mrouter Use this command to st atically config ure a m u lticast router por t. Use the no form t o re mov e the configuration. Syntax ip igmp snoopin g vlan vlan-id mr outer interface no ip igmp snoopi ng vlan vlan-id mrouter interface • vlan-id - VLAN ID (Range: 1-4094) • interface • e[...]

IGMP S NOOPING C OMMANDS 3-123 show ip igmp snooping mr outer Use this command to displa y infor mat ion on statically config ured and dynamically lear ned multicast router por ts . Syntax show ip igmp snooping mrouter [ vl an vl an-i d ] vlan-id - VLAN ID (Range: 1-4094) Default Setting Displays multicast router ports for all configure d VLANs . C[...]

C OMMAND L IN E I NTE RFA CE 3-124 Priority Commands The com mands described in this se ction allow you to specify which data pack ets hav e g reater p recedence when traffic is b uffered in the sw itch due to con g estion . T hi s switc h supports CoS w ith four pri ority queues for each port. Data pack e ts in a port’ s high-p riority queue wil[...]

P RIORITY C OMMANDS 3-125 Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Interf ace Con figuration), LC (Line Configuration ), VC (VLAN Database Configuration.) switchport prior ity default Use this command to set a prior ity for incom ing [...]

C OMMAND L IN E I NTE RFA CE 3-126 incoming frame is an IEEE 802.1Q VLAN tagged frame, the IEEE 802.1p User Priority bits will be used. • This switch provides f our prio rity que ues for each port . It is config ured to us e Weighted Round Ro bin, which ca n viewed w ith the queue bandwidth command . Inbound frames that d o not have VLAN ta gs ar[...]

P RIORITY C OMMANDS 3-127 Command Usa ge WRR allows bandw idth sharing at the e gress por t by definin g scheduling weights . Example Th e following exam ple shows h ow to assign WRR weight s of 1 , 3, 5 and 7 to the CoS priority queu es 0, 1, 2 and 3: Related Commands show queue band width queue cos-map Use this comma nd to assi gn class of se r v[...]

C OMMAND L IN E I NTE RFA CE 3-128 Default Setting This switch suppor ts Class of Ser vice by using four priority queues , with W eighted Round Robin queuing for ea c h por t. Up to 8 separ ate traffic classes ar e defined in IEEE 802.1p . T he default pr iority leve ls are assigned according to recommend ations in the IEEE 802.1p stan dard as sho [...]

P RIORITY C OMMANDS 3-129 show queue bandwidth Use this command to displa y the W eighted Round R obin (WRR) bandw idth allo cation fo r the fou r class of se r vice ( CoS) prio rity queu es . Default Setting None Command Mode Privile g ed Ex e c Example show queue cos-map Use this command to sho w th e class of se r vice prior ity map . Syntax sho[...]

C OMMAND L IN E I NTE RFA CE 3-130 Example map ip port (Global Con figuration) Use th is comma nd to en able IP port mappin g (i.e ., class of s er vice mapping for TCP/UDP soc kets. ) Use the no form to disable IP port mapping . Syntax map ip por t no map ip por t Default Setting Disabled Command Mode Global Configuration Command Usa ge The pr ece[...]

P RIORITY C OMMANDS 3-131 map ip port (Interface Configuration) Use this command t o set IP por t priority (i.e., TCP/UDP p o rt priority .) Use the no for m to remove a sp ecific setting . Syntax map ip port po rt- numbe r cos cos-valu e no map ip port po rt- numbe r • por t-nu mber - 16-bit TCP/UDP po r t number . (Range: 0-65535) • cos-value[...]

C OMMAND L IN E I NTE RFA CE 3-132 Command Usa ge • The preceden ce for priority map ping is IP Port, IP Prece dence or IP DSCP , and defa ult swit chport priorit y. • IP Preceden ce and IP DSCP cannot b o th be enab l ed. E nabling one o f these p riority ty pes will aut omatical ly disabl e the o ther typ e. Example The follo wing exampl e sh[...]

P RIORITY C OMMANDS 3-133 Command Usa ge The pr eceden ce for pr iorit y mapping is IP P ort, IP P recedence or IP DSCP , and d efault switchpor t priority . Example Th e following example shows how to map IP preced ence value 1 to CoS va lu e 0: map ip dscp (Global Con figuration) Use this command to en able I P DSCP mappi ng (i. e., Diffe rentiat[...]

C OMMAND L IN E I NTE RFA CE 3-134 map ip dscp (Interface Configuration) Use this c ommand to set I P DSCP priori ty (i.e., Differentia ted Ser vices Code Point priority .) Use the no for m to restore th e default tab le . Syntax map ip dscp dscp-value cos cos-val ue no map ip dscp • dscp -value - 8-bit DSCP value . (Rang e: 0-255) • cos-value [...]

P RIORITY C OMMANDS 3-135 show map ip por t Use this command to s h o w the IP port prio rity map . Syntax show map ip port [ in ter face ] interface • ether net unit / por t - unit - T his is device 1. - por t - Port number . • por t-channe l ch annel-id (Range: 1-6) Default Setting None Command Mode Privile g ed Ex e c Example Th e following [...]

C OMMAND L IN E I NTE RFA CE 3-136 show map ip precedence Use th is command to show the IP preceden ce priority m ap . Syntax show map ip preceden ce [ interf ace ] interface • ether net unit / por t - unit - T his is device 1. - por t - Port number . • por t-channe l ch annel-id (Range: 1-6) Default Setting None Command Mode Privile g ed Ex e [...]

P RIORITY C OMMANDS 3-137 show map ip dscp Use this command to show the IP DSCP priority map . Syntax show map ip ds cp [ interface ] interface • ether net unit / por t - unit - T his is device 1. - por t - Port number . • por t-channe l ch annel-id (Range: 1-6) Default Setting None Command Mode Privile g ed Ex e c Example Related Commands m a [...]

C OMMAND L IN E I NTE RFA CE 3-138 Mirror Port Commands Th is section d escribe s how to mir ror tr affic fr om a sourc e por t to a targ et por t. Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Inter face Conf igurat ion), LC (Line Configu[...]

M IR R OR P ORT C OMMANDS 3-139 Command Usa ge • You can mirror traffic fro m any sourc e port to a destination po rt for real-time analysis. Y o u can t hen at tach a logic an alyzer or RMON prob e to the des tination port and s tudy the tra ffic crossin g the sour ce port in a completely unobtrusive manner. • T he destina tion por t is set by[...]

C OMMAND L IN E I NTE RFA CE 3-140 show port monitor Use th is command to displa y mir ror in for mation. Syntax show por t monitor [ interface ] interface - ethernet uni t / port (sou rce port) • unit - Switch (unit 1.) • por t - Port number . Default Setting Shows all sessions Command Mode Privile g ed Ex e c Example The fo llow ing sho ws mi[...]

P ORT T RUNKING C OMMANDS 3-141 Port Trunki ng Comm ands P or ts can be st atically gro uped into an ag g reg ate link to increase the bandw idth of a net w ork con nectio n or to ensur e fault re covery . Or you can use the L ink Ag g reg atio n Control Pr otocol (LACP) to autom aticall y neg otiate a tr unk link be tween this sw itch and ano ther[...]

C OMMAND L IN E I NTE RFA CE 3-142 int erfac e por t-c hannel Use this command to configure a t r unk and ente r interface con figuration mode for the tr unk. Use the no for m of this command to delete a trunk. syntax interface por t-chan nel port-chann el-number interface por t-chan nel port-chann el-number port -channel- number - T r unk index De[...]

P ORT T RUNKING C OMMANDS 3-143 Command Usa ge • The uplink ports ca n be trunke d togethe r. • The VDSL po rts can be trunked togethe r. • All links in a trunk must operate at the same d ata rate and duplex mode . Example The follo wing example creates trunk 1 and then add s port 11: show interfaces st atus port-channel Use this command to s[...]

C OMMAND L IN E I NTE RFA CE 3-144 Example The following shows infor mation on T r unk 1. lacp Use this command to enable 802.3ad L i nk Ag greg ation Control Protocol (LA CP) for th e cur rent int erface. Use the no for m to disable it. Syntax lacp no lacp Default Setting Disabled Command Mode Interface Configuration (Ethernet) Command Usa ge • [...]

P ORT T RUNKING C OMMANDS 3-145 trunk will be activate d. • If more than fo ur ports at tached to the s ame target switch have LA CP enabled, the addition al ports will be placed in stand by mode, and will only be enabled if one of the active links fails. • STP, VLAN, and IGMP sett ings can only be made for the en tire trunk via the specified p[...]

C OMMAND L IN E I NTE RFA CE 3-146 VDSL Commands These comma nds are used to to confi gure and disp l a y communic ation paramet ers for V DSL and Ethernet po r ts on t he swi tch a nd connected CPEs . Note: The te rm EFM used in this sectio n stan ds for Eth e rnet in the Fir st Mile. The “firs t mile” is the connection between busin ess and r[...]

VDSL C OMMANDS 3-147 Note: The access mo de shown in t he table is ind icated by th ese abbr eviati ons: NE (Normal E xec), PE (Privileged Exec), GC (Global Configuration ), IC (Interf ace Con figuration), LC (Line Configuration ), VC (VLAN Database Configuration.) efm profile global Use th is comma nd to batch as sign profil es for speed to al l t[...]

C OMMAND L IN E I NTE RFA CE 3-148 Command Usa ge A s s i gn s t h e s a m e p r o f i l e t o e a c h V D S L sw i t c h p o rt . D e ta i l s o f t h e s e profiles ar e giv e n in the table be low: Notes: 1. The actual data rate s may be somewh at less than those shown in the ta ble above d epending on the pr otocols/ applicatio ns used. 2. If t[...]

VDSL C OMMANDS 3-149 the def ault values. These r ates may be co nfigured to values between 1 Mbps and 15 Mbps. Example Related Commands efm profile efm profile Use thi s command to a ssign prof iles for spee d to a specif ic VDSL por t on the s witch. Syntax efm profile pr ofil e name pr ofil e name - Name of the profile. Default Setting None Comm[...]

C OMMAND L IN E I NTE RFA CE 3-150 efm define user-pro file Use this command to configure do wnstream rat e, upstream rate and inte rleav e depth for user -specified prof iles . Syntax efm define user -profile [ profile number ] [ downstream rate ] [ up stre am rate ] [ inte rle ave de pt h ] • pro file number – user -specifi ed prof iles can b[...]

VDSL C OMMANDS 3-151 efm reset Use this command to reset the switch VDSL chipset or , if a CPE is connec ted, the CPE V DSL chipset . Syntax efm reset { lo cal | rem ote } • local - Resets the V DSL chipset for an EFM por t. • remote - R e s e t s t h e C P E s i d e V D S L c h i p s e t o f a n E F M p o rt . Default Setting None Command Mode[...]

C OMMAND L IN E I NTE RFA CE 3-152 Command Mode Interface Configurat ion Command Usa ge Use this co mmand to disable the VDS L chipset transmitter of a VDSL por t that is not co nnected to a working CPE. In some u nusual circum stances, the power emitte d by VDSL por ts ca n affect other VDSL por ts . I t is recommended that por ts that are no t wi[...]

VDSL C OMMANDS 3-153 Example The following example shows how to enable/disable RDL on VDSL por t 1. efm flow-control Use this command to configur e the maximu m speed of transmiss ion of data from a specific switch VDSL por t to the CPE. Syntax efm f low-c ontrol f low-control-value flow-contr ol-value - from 0 to the maximum transmission rate av a[...]

C OMMAND L IN E I NTE RFA CE 3-154 show controllers ethernet-controller Use this command to displa y the Ethe r net link t ransmit an d receiv e statistics for a specific VDSL por t, or for all the VDSL por ts on the sw itch and th e connected CPE. Syntax show controllers ethernet-controller interface-id interface-id - ID of the E FM port Default S[...]

VDSL C OMMANDS 3-155 Command Usa ge Using this command without spe cifying a VDSL port displays the Ethe r net l ink stati stics of all ports on the switc h and o n the connect ed CP E devic es . The ou tput shows t he stat istics col lected by the VD SL chipse t on the s witc h, and the s tatistics collected by t he VDSL chipset on the CPE. Exampl[...]

C OMMAND L IN E I NTE RFA CE 3-156 show controllers efm interface-i d actual Use th is command to displa y the cur ren t values o f the VDSL li n k on a specific VDSL po rt. Syntax show controllers efm in terface-id actual { ds rserrs | usr ser rs | txpow er | rxpower | snr | link } • interface-id - I D o f t he VD S L p o rt . • actu al - Dis [...]

VDSL C OMMANDS 3-157 • T he R eed-So lomon errors sh ow the n umber of er rors detect ed and co r recte d in the da ta bein g recei ved on , and trans mitted from, the VDSL por ts . Reed-So lomon er rors a re the result of noise e x ce eding th e noise mar gin. Example The follo wing exampl e disp lays the cur ren t values of the VDSL l i nk o n [...]

C OMMAND L IN E I NTE RFA CE 3-158 Command Mode Pri vileged EXE C Command Usa ge This command displays the profile settings of a VDSL port. T his profile deter m ines the up stream and downstrea m rates . Example Related Commands show controller s efm interface-i d actual show controlle rs efm profile show controllers efm profi le Use this c ommand[...]

VDSL C OMMANDS 3-159 Command Usa ge See the ta ble unde r “VDSL Commands” on pa ge 3 -146 for th e EFM profiles s hipped with th e switch, and for their upst ream and downstream d ata rates . Examples This ex am ple sh ows sam ple ou tput fr om the show controllers efm profile mapping command . This ex am ple sh ows sam ple ou tput fr om the sh[...]

C OMMAND L IN E I NTE RFA CE 3-160 Note: If an “LL ” type profile is select ed, the error rate due to noise in transmission , is increased, but the signal latency is d ecreased Related Commands show controller s efm interface-i d actual show controlle rs efm interface -id admin show controllers efm status Use this command t o display the VDSL l[...]

VDSL C OMMANDS 3-161 the VDSL p ort s . R eed -Solom on er rors are the re sult of noise ex ceeding the n oise mar g i n. Note: The Reed-Solom on errors are re set each time the show controllers efm status link c o mm and is performe d. • T he inte rleaver prevents l oss of Eth ern et data packets. The interleave r columns display the interleaver[...]

C OMMAND L IN E I NTE RFA CE 3-162 show controllers efm remote ethernet mode Use th is command to displa y the connected CPE Ethernet mode . Syntax show controllers efm remote ethernet mode interface-id interface-id – I D o f t h e V D S L po r t . Default Setting None Command Mode Pri vileged EXE C Command Usa ge T o o b t a i n t h e E t h e rn[...]

R ATE L IMIT C OMMANDS 3-163 Rate Limit Commands This f unction allows t he network manag er to co ntrol the ma ximum rate for traffic transmitted or received on a por t. Rate limiting is confi gured on ports at t he edge of a netw ork to limit traff ic into or out of t h e ne twor k. T raffic that falls within the rate limit is transmitted, while [...]

C OMMAND L IN E I NTE RFA CE 3-164 rate-limit (interface) Use this co mmand in Inter face Confi guration m ode to con figure th e rate limit on data received on a specific port. Use the no f o r m of t h i s c o m m a n d to retur n to the default sett ings . Note that th e maximum data rate for VDSL ports d e pend s on th e physical link and the s[...]

A-1 A PPENDIX A T ROUBLESHOOTING Troub leshoot ing Char t Troubleshooting Chart Symptom Action Cannot con nect using Telnet, W eb browser, or SNMP software • Be sure you have configure d the agent with a valid IP address, s ub ne t mask an d default gatew ay. • Be sure that your manag ement stati on has management VLAN access to the switch (def[...]

T R OUBLESHOOTING A-2 Upgrading Firmwar e via the Serial Port Th e switch con tains three fir m ware comp onents that can be upg raded ; the diagn o st ics (or Boot -ROM) co de, the r untim e operation code, and the loader code . T he runtime code can be upgraded via the switch’ s RS-232 seria l console po rt, via a network con nection to a TFTP [...]

U PGRADING F IR MW AR E VIA THE S ERIA L P ORT A-3 5. Press < c> to chan g e the ba ud rate o f the switch ’ s seri al connec tion. 6. There are two baud rate settings av ailable, 9600 and 115200. Using the higher ba ud rate minimi zes the time re quired to downloa d fir mware code files . Press < b> to select the option for 115200 ba[...]

T R OUBLESHOOTING A-4 10. After t he file h as been download ed, yo u are pro m pte d with “ Update Image File: ” to sp ecify the ty pe of code file . Press <r> for r untime code , <d> for dia g nost ic code, or < l> for loader co de. 11. Specify a n ame for the do wnloaded code file. Fi lenames are case -sensiti ve. The desti[...]

B-1 A PPENDIX B P IN A SSIGN ME NTS Console Port Pin Assignments The DB-9 serial port on the swit ch’ s rear panel i s used to connect to the switch for out-of-b and co nsole co nfigurat ion. T he onbo ard menu-driven config uration prog ram c an be ac cessed from a ter minal, or a PC r unning a ter mina l emulation pr og ram. Th e pin ass ignmen[...]

P IN A SSIG NME NTS B-2 Console Port t o 9-Pin DTE Port o n PC Cons ole Por t to 25-P in DTE Port on PC Switch’s 9-Pin Serial Port Null Modem PC’s 9-Pin DTE P ort 2 RXD <--------- TXD ------- ----- 3 TXD 3 TXD --------- --RXD ------ ----> 2 RXD 5 SGND ------- ----S GND ------- --- 5 SGND No other pins are used. Switch’s 9-Pin Serial Por[...]

Glossary-1 G LOSSA RY 10BASE-T IEEE 802.3 sp ecification for 10 Mbps Ether net over tw o pairs of Categ or y 3, 4, o r 5 UTP cable. 100BASE-TX IEEE 802.3u specif ication for 100 Mbps Fast Etherne t ov e r tw o pairs of Catego ry 5 UTP cable. 100BASE-FX IEEE 802.3u s pecification fo r 100 Mbps Fast Ether net over tw o strands of 50 /125 or 62.5/125 [...]

G LOSSAR Y Glossary-2 Bandwidth The differe nce between the highest and lowest frequencies available for network signals. Also synonymous with wire speed, the actua l speed of the data transmission along the cabl e . Collis ion A condition in which packets transmitted ov er the ca ble interfere with each ot her. Their i nterference mak es bot h sig[...]

G LOSSAR Y Glossary-3 FTTH Fibre T o T he Home: a network where an optical fibre r uns to the subscriber's premises or home. Gigabit Ethernet A 1000 M bps network communicatio n system based on E therne t and t he CSMA /CD ac cess meth o d. Full Duplex T ransmiss ion method that allows tw o network devices to transmit and receive concur rently[...]

G LOSSAR Y Glossary-4 LAN Segment Separate LAN or collision do main. LED Light emitt ing diode used for m onitoring a d evice or n etw ork condit ion. Local Area Network (LAN) A g roup of interconnected computer and supp ort dev ices . Main Distribution Frame (MDF) The ter m ination equipmen t where outside tele phone lines con nect to a building o[...]

G LOSSAR Y Glossary-5 Splitter A filter to separate DSL signals from P OTS signa l s to prev ent mutua l interference. Straight-through Port An RJ-45 port which does not cross the receive and transmit signals internally (MDI) so it can be connected with s traight-throug h twisted-pair cab le to any devic e having a crossover por t (MDI-X). A lso re[...]

G LOSSAR Y Glossary-6[...]

Index-1 A addres s table 2 -33 B BOOTP 2-12 for IP configura tion 1-4 broadcast st orm, threshold 2-30 C Class of S erv ice configuring 2-6 3 queue mapping 2-63 community string 2-82 configurat ion settings, s aving or restoring 2-18 connections Web browser 1- 1 console port pin assignm ents B-1 D default priority, ingres s port 2-63 default settin[...]

I NDE X Index-2 R RA DIUS , conf igurin g log on authentication 2-15 rate limiting, configurati on 2-95 S serial port configuring 3-5 8 XModem down loads A-2 SNMP community string 2-82 enab lin g trap s 2-83 trap manag er 2-83 SNMP (Simpl e Net work Managem ent Protocol) management 1-1 software downloads 2-17 , A- 2 software version, di splaying 2-[...]

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