Manuale d’uso / di manutenzione del prodotto Summit1 del fabbricante Extreme Networks
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Extreme Netw orks, Inc . 10460 Ban dley Drive Cuper tino , C alif ornia 95014 (888 ) 257-3000 http://www .e xtremenetw orks.com Summit Switch Installation and User Guide Published : J une 1 998 Part num ber: 100000-00 r e v .
ii Copyright © Extreme Netw orks, Inc., 1998. All rights reserved. No part of this documentation may be r eproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without permission from Extreme Networks, Inc.
iii Contents Introduction xvii T e rmin ology xviii Conventions xviii Related Publica tions xix 1S UMMIT O VERVIEW About the Sum mit Family of Switches 1-1 Summi t Switc h Models 1-2 Summ ary of Featu.
iv Summit 48 Fr ont V iew 1-1 5 LEDs 1-16 Summ it Rear V iew 1-17 Power Socket 1-17 Serial Number 1-17 Consol e Port 1 -17 Redundant Power Supply Port 1-17 MAC Addr ess 1-18 Factory Defaults 1-18 2I N.
v Config uring Managem ent Access 3-8 Def ault Acco unts 3-9 Changing the Default Password 3-9 Cr eating a Man agement Accoun t 3-1 0 V i ewing Swit ch Accounts 3-1 0 Deleting a Switch Account 3 -1 1 .
vi 4C ONFIGURING P ORTS Enabling and D isabling Po rts 4-1 Configuring Port Speed and Duplex Setting 4-2 T urning Off Autonegotiation for a Gigabit Ethernet Port 4-2 Port Commands 4-3 Load Shar ing 4-.
vii VLAN Names 5-13 Default VLA N 5-14 Configuring VLA Ns on the S ummit 5-14 VLAN Config uration Example s 5-16 Displayin g VLAN Settin gs 5-17 Deleting V L ANs 5 -18 6S WITC H F ORWARDING D ATABASE .
viii 8Q UALITY OF S ERVICE (Q O S) Overview of Qu ality of Service 8-1 Building Blocks 8-1 QoS Mo de 8-2 Default Q oS Profiles 8-2 T raffic Grouping s 8-3 Ingr ess T raff ic Gr oupings 8-3 Egress T ra.
ix Displayin g Router S ettings 9-17 Resetting and Disablin g Router Settin gs 9-18 10 R OUTING P ROTOCOLS Overview 10-1 RIP V ersus OSPF 10-2 Overview of RIP 1 0-3 Routing T able 10-3 Split H orizon .
x 11 IP M ULTICAST R OUTI NG Overview 1 1-1 DVMRP Overview 1 1-2 IGMP Overview 1 1-2 IGMP Sn ooping 1 1-2 Configurin g IP Multica sting Rou ting 1 1 -2 Config uration Exampl e 1 1-6 Config uration fo .
xi 13 U SING E XTR EME W ARE V ISTA Enabling and D isabling W eb Access 13-1 Sett ing Up Y our Brows er 13-2 Accessing ExtremeW are V ista 13-3 Navigating ExtremeW ar e V ista 13-3 T ask Fram e 13- 4 .
xii CT RO UBLESHOOTING LEDs C-1 Using the Command-Lin e Interface C-2 VLANs C-4 STP C -5 I NDE X I NDE X OF C OMM ANDS Summit.bk : SUMM IT.TOC Page xii Thursday, June 18, 1998 9:27 AM.
xiii Figures 1-1 Dual-h oming configurat ion 1-5 1-2 Network co nfigu ration usin g the Summ it famil y of switches 1-8 1-3 Summit1 fr ont view 1 -10 1-4 Summ it2 front view 1-1 1 1-5 Summit3 fr ont v.
xiv 10-3 V irtual lin k providing redundancy 10-7 10-4 RIP config uration exam ple 10-1 1 10-5 OSPF configurati on example 10-16 11 - 1 IP mu ltica st r outin g conf igurati on examp le 1 1-6 Summit.
xv Ta b l e s 1 Notice Icons xviii 2 T ext Conventions xviii 1-1 Summ it Switch P ort Configu ration s 1-3 1-2 Medi a T y pes an d Di stances 1-4 1-3 Summit LEDs 1-16 1-4 Summ it Factor y Defaults 1-1.
xvi 4-9 Summ it V irtual Chassis Commands 4-1 2 5-1 GVRP Commands 5-10 5-2 VLAN Config uration Comma nds 5-14 5-3 VLAN Delete and Res et Commands 5-18 6-1 FDB Conf igurat ion Comma nds 6-3 6-2 Removing FDB Entry Commands 6-6 7-1 STP Con figuratio n Commands 7-6 7-2 STP Disable and Reset Commands 7-9 8-1 Defau lt QoS Profiles 8-3 8-2 802.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E XVII Pref ace This Prefa ce provides an overview of this guide, descr ibes gui de conventions, and lists other publications that may be useful. I NTRODUCTION This guide provides the requir ed informa tion to insta ll and configure the Summit Family of Gigabit Ethernet Switches.
XVIII S UMMIT S WITCH I NSTALLATI ON AND U SER G UIDE P REFACE T ERMINOLOG Y When featur es, functionality , or ope ration is specific to a particular model of the Summit family , th e model name is used (for example, Summit1 or Summit4).
S UMMIT S WITCH I NSTALLATION AND U SER G UID E XIX R ELATED P UBLICATIONS The command syntax is explained in Chapter 3 . R ELATED P UBLICATIONS The Summit documentatio n set incl udes the followin g:.
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S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-1 1 Summit Ov er vie w This chapter describes the following: • Summit sw itch mo dels • Summ it feat ur es • How to use th e Summit f amily of s.
1-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S UMMIT O VER VI E W S UMMIT S WITCH M ODELS The Summit family of swi tches is comp rised of six m odels, as follo ws: • Summ it1 • Summ it2 .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-3 S UMMARY OF F EATURES • Distan ce V ector Multi cast Routi ng Pr otocol (D VMRP) • Console command line interfa ce (CLI) connection • T elnet .
1-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S UMMIT O VER VI E W M ED IA T Y PES AND D ISTANCE S Ta b l e 1 - 2 describes the media types and distances for the differ ent types of Summit ports. *E XTREME N ETWORKS PROPRIETAR Y . C AN BE CONNE CTED TO 1000BASE-LX ON SINGLE - MODE FIBER USIN G A MAXIMUM DISTANCE OF 5,000 M ETERS .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-5 S UMMARY OF F EATURES F ULL -D UPLE X The Summit swi tch provides full-duplex support for all po rts. Full-duplex allo ws frames to be transmitted and r eceived simultaneously and, in eff ect, doubles the band width a vai lable on a l ink.
1-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S UMMIT O VER VI E W L OAD S HARING Load sharin g with Sum mit switches allows th e user to increase bandwidth and resilience between switches by us ing a group of ports to carry traffic in parallel between switches.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-7 S UMMARY OF F EATURES The Summit supports up to 64 Sp anning T ree Domains (STPDs). F or m ore informati on on STP , refer to Chap ter 7 .
1-8 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S UMMIT O VER VI E W N ETWORK C ONFIGURATION E XAMPLE As sh own in Figure 1-2 , the family of Summit switches offe r a unique end-to-end LAN system solution.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-9 N ETWORK C ONFIGURATION E XAMPLE In the gigabi t core of the network, the S ummit1 a nd Summit2 a ct as aggregators o f Gigabit Ethernet links fr om the edge and data center switches, as well as Ethernet and Fast Ethernet links fr om legacy routers and hubs.
1-10 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E S UMMIT O VER VI E W S UMMIT 1 F RONT V IE W Figure 1-3 show s the Summ it1 fr ont view . Figure 1-3: Summit1 fron t view The Summit1 has eight Gigabit Ethernet ports. Six of the ports use SC conn ectors and support 1000BASE-S X over multimode fiber -optic cable.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-11 S UMMIT 2 F RONT V IEW S UMMIT 2 F RONT V IE W Figure 1-4 show s the Summ it2 fr ont view . Figure 1-4: Summit2 fro nt view The Summit 2 has 16 autosens ing 10BA SE-T/10 0BASE-TX po rts and two G igabit Ethernet ports, one of which has a r edundant Gigabit Ethernet port.
1-12 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E S UMMIT O VER VI E W S UMMIT 3 F RONT V IE W Figure 1-5 show s the Summ it3 fr ont view . Figure 1-5: Summit3 fron t view The Summit3 has 24 autosensing 10BAS E-T/100BASE-TX por ts, one Gigabit Ethernet port, and one r edundant G igabit Ethernet port.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-13 S UMMIT 4 F RONT V IEW S UMMIT 4 F RONT V IE W Figure 1-6 show s the Summ it4 fr ont view . Figure 1-6: Summit4 fro nt view The Summit4 has 16 autosensing 10BASE-T/100 BASE-TX ports and 6 Gigabit Ethernet ports.
1-14 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E S UMMIT O VER VI E W S UMMIT 4/FX F RONT V IE W Figure 1-7 show s the Su mmit4 /FX fr ont v iew . Figure 1-7: Summit4/ F X front v iew The Summit 4/FX has 1 6 100BASE-F X ports and 6 Gi gabit Ethernet po rts.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-15 S UMMIT 48 F RONT V IEW S UMMIT 48 F RONT V IE W Figure 1-8 show s the Summ it48 fr o nt view . Figure 1-8: Summit48 front view The Summit48 has 48 autosensing 10BASE-T/ 100BASE-TX ports, 2 Gigabit Ethernet ports, and 2 r edundant Gigabit Ethernet ports.
1-16 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E S UMMIT O VER VI E W LED S Ta b l e 1 - 3 describes the light emitting diode (LED) behavior on the Summit. Ta b l e 1 - 3 : Summit LEDs LED Color Indicates Power Green Yellow Th e Summit is po wered up.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-17 S UMMIT R EAR V IEW S UMMIT R EAR V IEW Figure 1-9 shows the r ear view for the Summit switch. Figure 1-9: Summit r ear view P OWE R S OC KET The Summit autom atically adjusts to the s upply voltage.
1-18 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E S UMMIT O VER VI E W In addition, when co nnected to a Sum mit RPS or Summit V irtual Chas sis, the Summ it switch can pr ovide status on power and fan o peration of the RPS thr ough SNMP , the command-line interface, a nd the W eb interface (power supply status only).
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 1-19 F ACTOR Y D EFAU LTS RIP Disa bled for the switc h; enabled on each VLAN config ured with an IP a ddress. OSPF Disa bled for the switc h; enabled fo r each VLAN config ured with an IP a ddress. All VLANs belong to the backb one area.
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S UMMIT S WITCH I NSTALLATION AND U SER G UID E 2-1 2 Installation and Setup This chapter describes the following: • How to decide wher e to install the Summit • Gigabit Ethernet conf iguration ru.
2-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE I NSTAL LATIO N AND S ETUP When deciding where to install the switch, ensure that: • The switch is access ible and cables can be co nnected easily . • W ater or moistur e cannot enter the case of the unit.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 2-3 I NSTA LLING THE S UMMIT F or m ore informati on on 10 00BASE- SX and 10 00BASE -LX link c haracter istics, refer to IEEE Draft P802 .3z/D4.2, T able 38-2 and T ab le 38 -6. I NSTALLING THE S UMMIT The Summit can be mounted in a rack, or placed fr ee-standing on a tabletop.
2-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE I NSTAL LATIO N AND S ETUP 5 Repeat the thr ee previous steps for the o ther side of the switch. 6 Insert the switch into the 19 -inch rack and secure with suitable s crews (not pro vided). Ensure that ventilation holes are no t obstructed.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 2-5 C ONNECTING E QUIP MENT TO THE C ONSOLE P OR T Appro priate cables are avai lable from your local supplier . In order to make your own cables, pin-outs for a DB-9 male con sole connector ar e described in Ta b l e 2 - 2 .
2-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE I NSTAL LATIO N AND S ETUP P OWE R I N G O N THE S WITCH T o turn on power to the switch, connect the AC power cable to the switch and then to the wall ou tlet, and turn the o n/off switch to the on posi tion.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 2-7 L OGGING I N FOR TH E F IRST T IME 4 At the password prompt, pr ess [Return]. The default name, admin, has no password assigned. When you have successfully logged on to t he switch, the co mmand-l ine prompt displays the nam e of the swi tch (for example, Su mmit1 ) in its prompt.
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S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-1 3 Accessing The Switch This chapter provides the follo wing required information to begi n managin g the Summ it: • Understanding the comman d syn.
3-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE A CCESSING T HE S WITCH U NDERSTANDING THE C OMMAND S YNTAX This section describes the steps to take when entering a command. Refer to the sections that follow for detailed information on using the command-line interface.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-3 U NDERSTANDING THE C OMMAND S YNTA X A BBREVIATED S YNTAX Abbreviated syntax is th e shortest, most unambiguo us, allowa ble abbreviation of a command, parameter , or value. T ypically , this is the first thre e letters of the command.
3-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE A CCESSING T HE S WITCH S YMBOL S Y ou may see a variety of symbols shown as part of the command syntax. These symbols explain how to enter the command, and you do no t type them as part of the command itself.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-5 L INE -E DITING K EYS L INE -E DITING K EY S Ta b l e 3 - 2 describ es the line-editing keys available using the command-line interface. C OMMAND H ISTOR Y The Summit “r emembers” the last 49 commands you enter .
3-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE A CCESSING T HE S WITCH C OMM ON C OMMANDS Ta b l e 3 - 3 describes common commands used to manage the switch. Commands specific to a particular featur e are describe d in the other chapters of this guide.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-7 C OMMON C OMMANDS config t ime <date> <time> Config ures the sys tem date an d time. The format is as follows: mm/dd/yyyy hh:mm:ss The time uses a 24-hour c lock format. You cannot s et the yea r past 2023.
3-8 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE A CCESSING T HE S WITCH C ONFIGU R ING M ANAGEMENT A CCESS The Summit supports the follo wing two l evel levels of ma nagement: • User • Admini.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-9 C ONFIGUR ING M ANAGEMEN T A CCESS D EFAULT A CCOUNT S By default, the switch is configured w ith two accounts, as shown in Ta b l e 3 - 4 . C HANGING THE D EFAULT P ASSW ORD Default accoun ts do not have pa sswords assigned to t hem.
3-10 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E A CCESSING T HE S WITCH 5 Re-enter the n ew password at the pr ompt. If you f orget your password while logge d out of th e command -line in terface , contac t your local te chnical suppor t represe ntative , who wi ll advise on your ne xt cour se of act ion.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-11 M ETHODS OF M ANAGING THE S UMM IT D ELETIN G A S WITCH A CCOUNT T o delete a switch account, you must have administrator privileges.
3-12 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E A CCESSING T HE S WITCH U SING T ELNET Any works tation wi th a T elnet fa cility shou ld be able to co mmunic ate with the s witch over a TCP/ IP networ k. Up to eight a ctive T eln et sessions can a ccess the switch concurrently .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-13 U SING T ELNET The switch MAC address is found on th e rear label of the switch. Once this is done, the IP addr ess and subnetwork m ask for the switch will be downloaded automatically . Y ou can then start managing the switch without further configuration.
3-14 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E A CCESSING T HE S WITCH T o manually co nfigure the IP settings, perform th e following s teps: 1 Connect a terminal or workstation r unning terminal emulation software to th e console port. 2 At your terminal, press [Return] on e or more times until yo u see the login prompt.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-15 U SING T ELNET 8 When you are finished using the faci lity , lo g out of the switch by typing logout D ISCONNEC TING A T EL NE T S ESSION The admin istrator-level a ccount ca n disconn ect a ma nageme nt sessio n that ha s been established by way of a T elnet co nnection.
3-16 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E A CCESSING T HE S WITCH IP H OST C ONFIGURATION C OMMANDS Ta b l e 3 - 5 describes the commands that are used to configur e IP settings on the swi tch.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-17 U SING E XTREME W ARE V ISTA U SING E XTREME W ARE V ISTA Extrem eW are ™ Vi s t a ™ is device-management software running in t he Summit that enables yo u to access th e switch o ver a TCP/IP netwo rk, using a standard W eb browser .
3-18 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E A CCESSING T HE S WITCH U SING SNMP Any Network Manager running the Simple Network Ma nagement Protocol (SNMP) can manage the switch, pr ovided the Management Information Base (MIB) is installed corr ectly on the management station.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-19 U SING SNM P The IEEE Bri dge MIB dot1dTpP or tEntr y P or tInDiscards and d ot1dBa seP or tEntr y counter s are no t incr emented .
3-20 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E A CCESSING T HE S WITCH Ta b l e 3 - 7 describes SNMP configuration comma nds. Ta b l e 3 - 7 : SNMP Confi guration Com mands Comm and Description enabl e snmp acce ss Turns on SNMP support fo r the switch.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-21 U SING SNM P D ISPLAYING SNMP S ETTINGS T o display the SNMP s ettings conf igured on the Summit, en ter the followin g command : show management T.
3-22 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E A CCESSING T HE S WITCH C HEC KING B ASIC C ONNECTIVITY The Summit offers th e following two commands for checking basic connectivity: • ping • traceroute • mtrace P ING The ping command enables you to send Internet Control Message Pr otocol (ICMP) echo messages to a remote IP device.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 3-23 C HECKING B ASIC C ONNECTIVITY M TRACE The mtrace commands displays the multic ast path from a source to a receiver . The mtrace command syntax is mtrace <group> <source> {<ttl>} where the following is true: • group — Is the IP multicast group addr ess.
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S UMMIT S WITCH I NSTALLATION AND U SER G UID E 4-1 4 Configur ing P or ts Ports on the S ummit sw itch can be con figured in the following wa ys: • Enabling and disabling individual ports • Confi.
4-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE C ONFIGUR ING P OR TS C ONFIGURING P OR T S PEED AND D UPLE X S ETTING By default, the Summit is configur ed to use autonegotiation to determine the port speed and duplex setting for each port.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 4-3 P OR T C OMMANDS P OR T C OMMANDS Ta b l e 4 - 1 describ es the port commands. Ta b l e 4 - 1 : P or t Command s Comm and Description enable l earning po rt <portlist> Enables MAC address lea rning on on e or more ports.
4-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE C ONFIGUR ING P OR TS disabl e smartred undancy <port list> Disab les the smar t redundanc y feature. If the featur e is disable d, the switc h changes the active link only when the cu rrent active li nk beco mes inopera ble.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 4-5 L OAD S HAR ING L OAD S HAR ING Load sharin g with Sum mit switches allows yo u to increase bandwidth and resilience between switches by using a gro up of ports to carry traff ic in parallel b etween switches.
4-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE C ONFIGUR ING P OR TS C ONFIGURIN G L OAD S HA RING T o set up the Sum mit to load sha re among ports, you must create a load-sharing g roup of ports. Load-sharing gr oups are def ined according to th e following rules: • Ports on the switch are divided into gr oups of two or four .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 4-7 L OAD S HAR ING T o define a lo ad-sharing g roup, you assign a group of ports to a single, logi cal port number .
4-8 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE C ONFIGUR ING P OR TS Whe n using lo ad shar ing , you should alwa ys reference the m aster log ical por t of the load- shar ing group (por t 9 in the previous e xampl e) when co nfigur ing o r viewing VLAN s.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 4-9 P OR T -M IRRO R ING P OR T -M IRRORING C OMMANDS Port-mirro ring commands are described in Ta b l e 4 - 7 .
4-10 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E C ONFIGUR ING P OR TS S UMMIT V IR TUAL C HASSIS The Summit V irtual Chassis is an ultra-high performance, low-cost externa l backplane that connects up to eight stacked o r distributed Summ it switches in to one cohesive system.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 4-11 S UMMIT V IR TU AL C HASSIS E XTREME D ISCO VERY P RO T O C O L The Extr eme Discovery Protocol (EDP) is used to locate neighbor Extreme Networks switches conn ected to the Summit V irtual Chassi s.
4-12 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E C ONFIGUR ING P OR TS S UMMIT V IR TUAL C HASSIS C OMMANDS Ta b l e 4 - 9 lists comm ands that are used on the Summit sw itch to conn ect it to a S ummit V irtual Chassi s.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 4-13 S UMMIT V IR TU AL C HASSIS VLAN S AND S UMMIT S WITCHES U SING THE V IR TUAL C HASS IS Summit sw itches exchang e informatio n using EDP across V irtua l Chassis links. The informatio n exchanged al lows th e switches t o automatica lly jo in VLANs .
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S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-1 5 Vir tual LANs (VLANs) Setting up V irtual Local Area Networks (VLANs ) on the Summit ea ses many time-cons uming task s of networ k administ ration whi le increasing efficiency in network operations.
5-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE V IR TUA L LA N S (VLAN S ) • VLANs provide extra se curity . Devices within each VLAN can only communicate with member devices in th e same VLAN. If a device in VLAN Market ing must communicate with devices in VLAN Sales , the traffic must cr oss a routing device.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-3 T YPES OF VL AN S For example, in Figure 5-1 , ports 1 , 2, and 5 ar e part of VLAN Ma rketing ; ports 3, 4, and 6 ar e part of VLAN Sales ; and ports 7 and 8 ar e in VLAN Fin ance .
5-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE V IR TUA L LA N S (VLAN S ) Figure 5-2 illustrates a single VLA N that spa ns two sw itches. All po rts on both switches belong to VLAN Sales . The two switches are con nected using port 2 on Switch 1, a nd port 6 on Swi tch 2.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-5 T YPES OF VL AN S Figure 5-3 illust rates two VLANs spanning tw o sw itches. On Switch 1 , ports 1-4 are part of VLAN Accoun ting ; ports 5 - 8 ar e part of VLAN Engineering . O n Sw itch 2, po rts 1 -4 ar e part of VLAN Acc ount ing ; po rts 5 - 8 are part of VLAN Engineering .
5-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE V IR TUA L LA N S (VLAN S ) U SES OF T AGG E D VLAN S T agging is most com monly used to create VLANs that spa n switches. The switch-to-switch connections are typically called trunks . Using tags, multi ple VLANs can span multi ple switch es using one or more trunks.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-7 T YPES OF VL AN S Figure 5-4 illustrates th e physica l view of a netwo rk that uses tagged an d untagged traffic. Figure 5-4: Physical diagram of tagged and untagge d traffic Figure 5-5 shows a logi cal diag ram of th e same network.
5-8 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE V IR TUA L LA N S (VLAN S ) In Figur e 5-4 and Figure 5-5 : • The trunk port on each switch carries traf fic for both VLAN Market ing an d VLA N Sales . • The trunk port on each sw itch is tagged.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-9 T YPES OF VL AN S Figure 5-6 illustrates a network usin g GVRP . Figure 5-6: Network example using GV RP In Figure 5-6, Switch A is a m ember of VLAN Red . VLAN Red has th e VLANid 10. Po rt 1 and port 2 on S witch A are added to the VLAN as untagged.
5-10 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E V IR TUA L LA N S (VLAN S ) VLANs that are automatically created using GV RP with the V L ANi d 10 are given names in th e follow ing format : gvrp vlan x xxx where xxxx is the VLANid (in decimal) that is discover ed by GVRP .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-11 T YPES OF VLA N S P RO T O C O L -B ASED VLAN S Proto col-based VLANs enable you to define a packet filter that the Summit uses as the matching criteria to determine if a particular packet belongs to a particular VLAN.
5-12 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E V IR TUA L LA N S (VLAN S ) P REDEFINED P ROT O C O L F ILTERS The following pr otocol filters are pr edefined on the Summit: • IP • IPX • .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-13 VLAN N AMES — snap — Ethertype inside an IEEE SNAP packet encapsulation. The values for snap ar e the same as the values for etype , described pr eviously .
5-14 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E V IR TUA L LA N S (VLAN S ) VLAN names are locally significa nt. That is, VLAN na mes used on o ne switch are only meaningful t o that swi tch. If another sw itch is conn ected to it, t he VLAN names ha ve no significa nce to the oth er switch.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-15 C ONFIGURI NG VLAN S ON THE S UMM IT enabl e ig nore -st p vlan <na me> Enables a VLAN from using ST P port infor mat ion. Whe n ena ble d, all vir tual por ts associat ed with the VLAN are in STP forward ing mode.
5-16 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E V IR TUA L LA N S (VLAN S ) VLAN C ONFIGURA TION E XAMPLES The following example cr eates a port-based VLAN named accounting , as signs the IP address 132.15.121 .1, and assig ns ports 1, 2 , 3, and 6 to i t: create vlan accounting config accounting ipaddress 132.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 5-17 D ISPLAYING VLAN S ETTINGS D ISPLA YING VLAN S ETTINGS T o display VLAN settings , use the follo wing comm and: show vlan { <name> | all} Sam.
5-18 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E V IR TUA L LA N S (VLAN S ) • T agged/untagged status for each port • How the ports w ere added to the VLAN (manually or by GVR P) T o displa.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 6-1 6 Switch F orwarding Database (FDB) This chapter describes the contents of the switch forwar ding database (FDB), how the FDB works, and how to configur e the FDB. O VE R V I EW OF THE FD B The Summ it maintains a database of all media access control (MA C) addresses received on all of its ports.
6-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S WITC H F ORWARDING D ATABASE (FDB) switch is reset or a po wer off/on cycle occurs. For mo re information about setting the aging time, refer to the sectio n “Configuring FDB Entries ,” later in this chapter .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 6-3 C ONFI GURING FDB E NTRIES A SSOCIATING A Q O S P ROFILE WITH AN FDB E NTR Y Y ou can associate a QoS pr ofile with a M AC address (and VLAN) o f a device that will be dynamically learned.
6-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S WITC H F ORWARDING D ATABASE (FDB) FDB C ONFIGURATIO N E XAMPLES This example adds a permanent entry to the FDB: create fdbentry 00:E0:2B:12:34:56 vlan marketing port 4 The permanent entry has the following characteristics: • MAC addr ess is 00 E02B123456 .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 6-5 D ISPLAYING FDB E NT RIES D ISPLA YING FDB E NTRIES T o display FDB entries, use the co mmand show fdb {all | <mac_address> | vlan <name> | <portlist> | permanent | qos} where the following is true: • all — Displays all FDB entries.
6-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S WITC H F ORWARDING D ATABASE (FDB) • Entry method (shown in the field labeled Flags ): s — Static entry configur ed by the user d — Dynamic.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 7-1 7 Spanning T ree Protocol (STP) Using the S panning T ree Pr otocol (STP) functionalit y of the Su mmit mak es your network more fault tolerant. The following sections explain mor e about STP and the STP featur es supported by the switch.
7-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S PANNI NG T REE P ROTOCOL (STP) A port can belong to on ly one STPD. If a port is a member of multiple VLANs, then all those VLANs must belong to the same ST PD. The key points to reme mber when configuring VLANs and STP are the following: • Each VLAN forms an inde pendent broad cast domain.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 7-3 STP C ONFIGURATIONS T wo STPDs ar e defined: • STPD 1 contains VLANs Sales and Personnel. • STPD 2 contains VLANs Manufactur ing and Engineerin g. The VLAN Mark eting is a member of the default STPD, but not assigned to either STPD 1 or STPD2.
7-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S PANNI NG T REE P ROTOCOL (STP) W ithin a single S TPD, you mus t be extra careful when con figuring your VLAN s. Figure 7-2 illustrates a network tha t has been inco rrectly set up using a sing le STPD s o that the STP configuration disables the ability of the switches to forward VLAN traf fic.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 7-5 C ONFIGURI NG STP ON THE S UMMIT C ONFIGUR ING STP ON THE S UMMIT STP confi guration in volves th e followin g actions: • Create one or more STP domains u sing the fo llowing comm and: create stpd <stpd_name> STPD , VLAN, and QoS prof ile nam es must all b e uniqu e.
7-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S PANNI NG T REE P ROTOCOL (STP) Ta b l e 7 - 1 shows the commands used to conf igure STP . Ta b l e 7 - 1 : STP Config uration Commands Comm and Description crea te stpd <stpd_ name> Creates an STPD.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 7-7 C ONFIGURI NG STP ON THE S UMMIT C ONFIGURA TION E XAMPLE The following example cr eates and enables an STPD named Backbone_st . It assigns the Manufac turing VLAN to the STPD. It disables STP on ports 1 through 7, and port 12.
7-8 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE S PANNI NG T REE P ROTOCOL (STP) D ISPLA YING STP S ETTINGS T o display STP settings for a ll ports, use the followi ng comma nd: show stpd { <s.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 7-9 D ISABLING AN D R ESETTING ST P D ISABLING AND R ESETTING STP T o disable STP or return S TP settings to their defaults, use the commands listed in Ta b l e 7 - 2 . Ta b l e 7 - 2 : STP Disable and Res et Commands Comm and Description delete s tpd <stpd_ name> Removes an STPD.
7-10 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E S PANNI NG T REE P ROTOCOL (STP) Summit.bk : 7STP.FM P age 10 Thursday, June 18, 1998 9:27 AM.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 8-1 8 Quality of Ser v ice (QoS) This chapter describes the concept of Quality of Service (QoS) a nd explains how to implement QoS on the Summit. O VE R V I EW OF Q UALITY OF S ER VICE QoS is a featur e of the Summit that allows you to specify diff erent service levels for outboun d traffic.
8-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE Q UALIT Y OF S ERVICE (Q O S) QoS pro files are assigned to traffic classifications, independent of the QoS mode chosen, in or der to modify switch forwarding behavio r . Q O S M ODE Ther e are two modes of Q oS.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 8-3 B UILDI NG B LOCKS — Medium — High A QoS profile d oes not alte r the behavior of the s witc h until it i s assigned to a tr affic cl assif ication . The details of the defa ult profiles are shown in T able 8-1.
8-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE Q UALIT Y OF S ERVICE (Q O S) • Destination MAC addr ess — When making a permanent FDB entry , y ou can pr ovide a QoS pr ofile. Y ou can also pr ovide a QoS pr ofile that will be bound to a dynam ic FDB entry when the MA C address is learn ed.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 8-5 B UILDI NG B LOCKS E GRESS T R AFFIC G ROU PIN GS Egress traffic gr oupings include the follow ing: • IP destination addre ss — A specific QoS profile can be associated with an IP destination addr ess, or range of IP destina tion addresses specified using a subnet mask.
8-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE Q UALIT Y OF S ERVICE (Q O S) P RIORITIZ ATION Prioritizat ion is used wh en there is bandwidth contentio n for tran smissi on on a po rt. The four levels of priority ar e used as a mechanism for reso lving the contention between traffic gr oups.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 8-7 P OR T Q UEUE M ONITOR Y ou can a ssign a Qo S profile to an IP address by using the following command: config ipqos [add | delete] <ip_destination_address> qosprof ile <qosname> P OR T Q UEUE M ONITOR Ther e are four queues per physical port in the Summit.
8-8 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE Q UALIT Y OF S ERVICE (Q O S) C ONFIGURING Q O S Ta b l e 8 - 4 describes the commands used to configure QoS. Ta b l e 8 - 4 : QoS Confi guration Commands Comm and Description enable p ace Enables recogn ition of the PAC E bit.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 8-9 C ONFI GURING Q O S S AMPLE I NGR ESS M OD E Q O S C ONFIG URATION The following ingr ess mode example modifies an existing QoS pr ofile and applies it to a VLAN traf fic grouping. The priority parameter , although requir ed, is ignor ed when configuring a default QoS profile in ing ress mode.
8-10 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E Q UALIT Y OF S ERVICE (Q O S) D ISPLA Y ING Q O S I NF OR MATION T o display QoS information on the switch, use the following command: show qospr.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-1 9 IP Unicast Routing This chapter describes how to configur e IP routing on the Summit. It assumes that you are already familiar with IP unicast routing.
9-2 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE IP U NICAST R OUTING R OUTER I NTERFACES The r outing software and har dware r outes IP traffic between r outer interfaces. A r outer interface is s imply a VLAN that has an IP address assigned to it.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-3 O VE R VI E W OF IP U NICAST R OUTING P OPULA TING THE R OUTING T ABLE The Summit ma intains an IP r outing table for both network routes and host r outes.
9-4 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE IP U NICAST R OUTING A static route must be as sociated with a valid IP su bnet. An IP subnet is a ssociated with a single VLAN by its IP addr ess and subnet m ask. If the VLAN is subsequently deleted, the static route e ntries u sing that subnet must be deleted manually .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-5 O VE R VI E W OF IP U NICAST R OUTING Once configur ed, the Summit r esponds to ARP Requests on behalf of the device as long as the fol lowing con ditions are satisfied: • The valid IP ARP Request is received on a Summit r outer interface.
9-6 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE IP U NICAST R OUTING The following rules apply wh en you are configuring IP multinet ting: • A maximum of one IP addr ess is associated with a router interface ( or VLAN). • Multiple VLANs must be us ed to implem ent IP multin etting.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-7 O VE R VI E W OF IP U NICAST R OUTING 8 Assign th e subnet to a physi cal port. config net21 add port 2 config net22 add port 2 9 Enable IP forwar ding on the subnets. enable ipforwarding 10 Enable IP multi netting.
9-8 S UMMIT S WIT CH I NSTALLA TION AND U SER G UIDE IP U NICAST R OUTING The following example conf igures the switch to have one multin etted segment (p ort 5) that con tains thr ee subnets (1 92.67.34.0, 1 92.67.35.0 , and 192.67.3 7.0). It also configur es a second multinetted segment consisting of two subnets (192.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-9 C ONFIGUR ING IP U NICAST R OUTING C ONFIGURING IP U NICAST R OUT IN G This section descri bes the commands ass ociated with config uring IP unica st routing on the Summit.
9-10 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E IP U NICAST R OUTING V ERIFYING TH E IP U NICAS T R OUTIN G C ONFIGU RATION Use the show iproute command to display the current configuration of IP un icast ro uting for the switch, and for each VLAN.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-11 C ONFIGUR ING DHCP/BOOTP R ELA Y V ERIFYING THE DHCP/BOO TP R ELAY C ONFIG URATION T o verify the DHCP/BOOTP rela y configuration, use the following command: show ipconfig This command displays the configuration of the BOOTP r elay service, and the addr esses that are curr ently configured.
9-12 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E IP U NICAST R OUTING disabl e bootp vl an [<name> | al l] Disable s the gene ration and proc essing of BOOTP pa ckets. confi g ip arp a dd p roxy < ipa ddre ss> { <m ask>} {<mac_address>} {a lways} Config ures proxy ARP en tries.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-13 C ONFIGUR ING DHCP/BOOTP R ELA Y Ta b l e 9 - 2 describ es the commands used to configure the IP r oute table.
9-14 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E IP U NICAST R OUTING Ta b l e 9 - 3 describes the commands used to configure the ICMP protoco l. Ta b l e 9 - 3 : ICMP Config uration Commands Comm and Description enabl e ic mp r edire cts {vl an <n ame> | al l} Enabl es generation of ICM P redirect messag es on one or m ore VLANs.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-15 R OUTING C ONFIGURATION E XAMPLE R OUTING C ONFIGUR ATION E XAMPLE Figure 9-2 illustrates a switch that ha s three VLANs defined as follows: • Finance — Protocol-sensitive VLAN u sing the IP protocol — Ports 1 and 3 have been assigned — IP addr ess 192.
9-16 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E IP U NICAST R OUTING Figure 9-2: Unicast rou ting confi guration example The stations conn ected to ports 1 through 4 genera te a combination of IP traf fic and NetBIOS traf fic. The IP traffic is filter ed by the pro tocol-sensitive VLANs.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 9-17 D ISPLAYING R OUTER S ET TINGS config Finance ipaddress 192.207.35.1 config Personnel ipaddress 192.207.36.1 enable ipforwarding enable rip D ISPLA Y ING R OUTER S ETTINGS T o display settings for vari ous IP routing components, use th e commands list ed in Ta b l e 9 - 4 .
9-18 S UMMIT S WITCH I NSTA LLATIO N AND U SER G UID E IP U NICAST R OUTING R ESETTING AND D ISABLING R OUTER S ETTINGS T o return r outer settin gs to their defaults an d disable routing functions, us e the commands list ed in Ta b l e 9 - 5 .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-1 10 Routing Protocols This chapter describes the IP unicast routing protoco ls available on the Summit.
10-2 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS RIP V ERS US OSPF The distinction between RIP and OSPF lies in the fundamental dif fer ences between distance vector protocols and link state protocols.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-3 O VER V I E W OF RIP O VE R VI EW OF RIP RIP is an Interior Gateway Protocol (IGP) first used in computer r outing in the ARP Anet as early as 1969. It is primarily intended for use in homogeneous networks of moderate size.
10-4 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS T RIG G ERED U PDATES T riggered updates occur whenever a router changes the metric for a route, and it is req uired to send an update m essage im mediately , even if it is not yet time for a r egular update message to be sent.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-5 O VER VI EW OF OSP F O VE R V I EW OF OSPF OSPF is a lin k state protocol tha t distributes routing informa tion bet ween routers belonging to a single IP doma in, also k nown as an autonomous s ystem .
10-6 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS The thr ee types of routers defined by OS PF are as follows: • Internal Router (IR) An internal r outer has all of its interfaces within the same ar ea. • Are a Bord er Router (ABR) An ABR h as interfaces in multipl e areas.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-7 O VER VI EW OF OSP F V IRTUAL L INKS In the situation when a new area is intr oduced that does have a direct ph ysical attachment to the backbone, a v irtual lin k is used. A virtual link provides a logical path between the ABR of th e disconnected area and the ABR of the backbone.
10-8 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS C ONFIGUR ING RIP Ta b l e 1 0 - 1 describes the commands used to configur e RIP . T able 1 0-1: RIP Con figuration Co mmands Comm and Description enable r ip Enables RIP. The defaul t setting is d isabled.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-9 C ONFIGUR ING RIP config r ip add {vla n <name> | all } Configures RIP o n an IP interface. If no VLAN is sp ecif ied, then all is assu med. When an IP interfac e is created, per i nterface RIP confi gur atio n is disa bled by de fa ult.
10-10 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS RIP C ONFIGUR ATION E XA MPLE Figure 10-4 illustrates a switch th at has three VLANs defined as follows : • Finance — Protocol-sensitive VLAN u sing the IP protocol — Ports 1 and 3 have been assigned — IP addr ess 19 2.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-11 RIP C ONFIGURATION E XAMPLE Figure 10-4: RIP confi guration example The stations conn ected to ports 1 through 4 genera te a combination of IP traf fic and NetBIOS traf fic. The IP traffic is filter ed by the pro tocol-sensitive VLANs.
10-12 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS config Finance ipaddress 192.207.35.1 config Personnel ipaddress 192.207.36.1 enable ipforwarding config rip add vlan all enable rip D ISPLA Y ING RIP S ETTINGS T o display settin gs for RIP , use the com mands listed in Ta b l e 1 0 - 2 .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-13 R ESETTING AND D ISABLING RIP R ESETTING AND D ISAB LING RIP T o return R IP settings to their defaults, or to disable RIP , use the commands listed in Ta b l e 1 0 - 3 .
10-14 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS C ONFIGUR ING OSPF Ta b l e 1 0 - 4 describes the commands used to configur e OSPF . T able 1 0-4: OS PF Config uration Commands Comm and Description create o spf area <areaid > Creates an OSPF area.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-15 C ONFIGURI NG OSPF config o spf delete vi rtual-link <rou terid> <are aid > Remo ves a vi rtua l li nk. confi g os pf a rea < area id> norma l Configure s an OSFP are a as a normal a rea.
10-16 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS OSPF C ONFIGUR ATION E XAMPLE Figure 10-5 shows an exa mple of an auto nomous sy stem usi ng OSPF routers. The details of this network fol low . Figure 10-5: OSPF co nfiguration e xamp le Are a 0 is the backbone area.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-17 OSP F C ONFIGURATION E XAMPLE Are a 5 is connected to the backbone are a by wa y of ABR1 and ABR2.
10-18 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E R OUTING P ROTOCO LS config ospf area 0.0.0.6 stub nosummary stub-default-cost 10 config ospf vlan LA_161_48_2 area 0.0.0.6 config ospf vlan Chi_160_26_2 area 0.0.0.5 config ospf add virtual-link 160.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 10-19 R ESETTING AND D ISABLING OS PF S ETTINGS R ESETTING AND D ISABLING OSP F S ETTINGS T o return OSPF settings t o their defaults, use the com mands listed in Ta b l e 1 0 - 6 .
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S UMMIT S WITCH I NSTALLATION AND U SER G UID E 11-1 11 IP Multicast Routing This chapter describes the components of IP multicast r outing, and how to configure IP multicast routing on th e Summit. F or mor e inf or mation on IP multicasting, refer to RFC 1112, RFC 1075, RFC 2236 , and othe r more rec ent Inter net draft documen ts.
11-2 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E IP M ULTICA ST R OUTING D VMRP O VERVIEW DVMRP is a distance vector protocol t hat is used to exchan ge routing and multi cast information betw een routers. Like RIP , DVMRP periodically sends the entire routing table to i ts neighb ors.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 11-3 C ONFI GURING IP M ULTICASTI NG R OU TING • Enable DVMRP on the r outer , using the following command: enable dvmrp Ta b l e 1 1 - 1 describes the commands used to configure IP multicast routing.
11-4 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E IP M ULTICA ST R OUTING Ta b l e 1 1 - 2 describ es the command used to configur e the Internet Gateway Message Pr otocol (IGMP). confi g dvmrp timer <r oute _repo rt_i nter val > <rout e_replace ment_tim e> Configure s the global DVM RP timers.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 11-5 C ONFI GURING IP M ULTICASTI NG R OU TING confi g ig mp <qu ery_ inter val > <que ry_response _interval > <last_m ember_query _interval> Config ures the IGMP timers. Timers are based on RFC22 36.
11-6 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E IP M ULTICA ST R OUTING C ONFIGUR ATION E XAMPLE Figure 1 1-1 is used in Chapter 10 to describe the OSPF configuration on a Summit. Refer to Chapt er 10 for mor e informat ion about configuring O SPF .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 11-7 D ISPLAYING IP M ULTICA ST R OU TING S ETTINGS C ONFIGURA TION FO R IR1 The following is the configuration for the r outer labeled IR1: config vlan HQ_10_0_1 ipaddress 10.0.1.2 255.255.255.0 config vlan HQ_10_0_2 ipaddress 10.
11-8 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E IP M ULTICA ST R OUTING D ELETING AND R ESETT ING IP M ULTICAST S ETT INGS T o return IP multicast routing settings to their defaults a nd disable IP mu lticast routing functions, use th e commands listed i n Ta b l e 1 1 - 4 .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-1 12 Status Monitor ing and Statistics This chapter describes how to view the curr ent operating status of the switch, how to display inform ation in the switch log , and how to take advan tage of the RM ON capabilities av ailable in the s witch.
12-2 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S TATUS M ONITORING AND S TATISTICS show conf ig Di splays the c urrent switch co nfiguratio n to the termina l. You can then c apture the o utput and store it as a fi le. show di ag Displa ys swi tch so ftwar e dia gnost ics.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-3 S TATUS M ONITOR ING show ipm c cache {<grou p> {<src_ip address> <ma sk>}} | all} D isplays the IP m ulticast rou te table.
12-4 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S TATUS M ONITORING AND S TATISTICS show ma nagem ent Displ ays networ k managem ent configura tion and stat istics incl uding enable /disable states for Te lnet and SNMP , SNMP commun ity strings, a uthorized SNMP st ation list , SNMP trap rece iver list, and login stati sti cs.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-5 S TATUS M ONITOR ING show port {<po rtl ist> } inf orm atio n Displays de tai led sys tem -re late d inf ormation, in cl udi ng the follo win.
12-6 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S TATUS M ONITORING AND S TATISTICS show r ip stat {vlan <n ame> | all} Displa ys RIP -spec ific s tati stics.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-7 P OR T S TATIS TICS P OR T S TATIST ICS The Summit provides a facility for view ing port stat istic inform ation. The s ummary information lists values for the curr ent counter against every port on the switch, and it is refr eshed appr oximately every two seconds.
12-8 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S TATUS M ONITORING AND S TATISTICS • Received Byte Count (RX Byte Count) — The tota l number of bytes th at were received by the po rt, including bad or lost frames. This number includes bytes contained in the Frame Check Sequen ce (FCS), but excludes bytes in the preamble.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-9 P ORT M ONITOR ING D ISPLAY K EYS The following port receive err or information is collected by the switch: • Receive Bad CRC Frames (RX CRC) — The total number of frames r eceived by the port that wer e of the corr ect length, but contained a bad FCS value.
12-10 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S TATUS M ONITORING AND S TATISTICS S WITCH L OGGING The Summit log tracks a ll configurati on and fault informa tion pertaini ng to the device.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-11 S WITCH L OG GING L OCAL L OGGING The switch ma intains 1,0 00 messages i n its int ernal log. Y ou can display a snapsh ot of the log at any time.
12-12 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S TATUS M ONITORING AND S TATISTICS R EMOTE L OGGING In addition to m aintaining an i nternal log, the Sum mit supports remote logging by way of the UNI X Syslog host faci lity . T o enab le remote logging, do t he following : • Configure the Syslog h ost to accept and lo g messages.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-13 S WITCH L OG GING T able 1 2-5: Loggi ng C ommand s Comm and Description confi g lo g disp lay {<pri orit y>} { <subs yste m>} Conf igur es the real -tim e lo g disp lay.
12-14 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S TATUS M ONITORING AND S TATISTICS RMON Using the R emote Mon itoring (RM ON) capabiliti es of the sw itch allows netw ork administrators to improve sw itch efficiency and r educe the load on the network.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-15 RMON A typical RM ON setup consis ts of the fol lowing two compon ents: • RMON pro be — An int elligent, remotely cont rolled device or software agent that continually co llects statisti cs about a LAN s egment or VLAN.
12-16 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S TATUS M ONITORING AND S TATISTICS A LARMS The Alarms gr oup provides a versatile, general me chanism for setting threshold an d sampling intervals to generate events on any RMON variable.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 12-17 RMON E VENT A CTION S The actions that you can defin e for each alarm ar e shown in Ta b l e 1 2 - 6 . T o be notified of events us ing SNMP tra ps, you must co nfigure one or more trap receivers, a s described in Chapter 3 .
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S UMMIT S WITCH I NSTALLATION AND U SER G UID E 13-1 13 Using ExtremeW are Vista ExtremeW a re V i sta is device-m anagement software running in t he Summit tha t allows you to access the switch over a TCP/IP netwo rk, using a sta ndard W eb browser .
13-2 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E U SING E XTREME W ARE V ISTA T o use ExtremeW are V ista, at least one VLAN on the switch must be assigned an IP addr ess. F or m ore informati on on as signing an IP addr ess, ref er to Chapter 3 .
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 13-3 A CCESSING E XTREME W ARE V ISTA A CCESSING E XTREME W ARE V ISTA T o access the default home page of the switch, enter the following URL in your bro wser: http://<ip_address> When you access the home page of the s witch, you ar e presented with the Login scr een.
13-4 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E U SING E XTREME W ARE V ISTA T AS K F RA ME The task frame ha s two sections. At the top of the task frame ar e the task tabs. Th ere ar e four task tabs , as follo ws: • Configuration • Stati sti cs • Support • Logout Below the task tab s are options.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 13-5 S AVIN G C HAN GES S TATUS M ESSAGES Status messages ar e displayed at the top of the content frame. T her e are four types of status mess ages, as follows : • Information —Displa ys informa tion th at is usefu l to know prio r to, or as a result of, changi ng con figuration option s.
13-6 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E U SING E XTREME W ARE V ISTA • Click the Logout tab. If you attem pt to log ou t without sa ving your chan ges, ExtremeW are V ista prompts you to save y our changes. If you select Y es , the changes are saved to the selected configu ration area.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 14-1 14 Softw are Upg rade and Boot Options This chapter describes the proced ure for upgrading the switch software image. This chapter also discusses how to save and loa d a primary an d secondary image and configuratio n file on the sw itch.
14-2 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S OFTWARE U PGRADE AND B OOT O PTIONS • Download the new ima ge to the Sum mit using th e command download image [xmodem | <ipaddress> <filename>] {primary | secondary} where the following is true: xmodem — Indicates that you will be using XMODEM over the serial port.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 14-3 S AVIN G C ONFIGURATION C HANGES S AV I N G C ONFIGURATION C HANGES The configuration is the customized set of parameters that you have se lected to run on the switch. As yo u make config uration cha nges, the n ew setting s are stor ed in run-tim e memory .
14-4 S UMMIT S WITCH I NSTAL LATIO N AND U SER G UID E S OFTWARE U PGRADE AND B OOT O PTIONS U SING TFTP TO U PLOAD THE C ONFIGURATION Y ou can upload the curr ent configuration to a TF TP server on your netw ork. The uploaded ASCII file r etains the command-line interface format.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E 14-5 B OO T O PTION C OM MANDS B OOT O PTION C OMMANDS Ta b l e 1 4 - 1 lists th e commands as sociated w ith Summ it boot optio ns. T able 1 4-1: Boot Option Com mands Comm and Description show confi g Displ ays the current switch conf iguration to the termina l.
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S UMMIT S WITCH I NSTALLATION AND U SER G UID E A-1 A Saf ety Inf or mation I MPOR TANT S AF ETY I NF OR MATION Pleas e read the following saf ety i nf or mation thorou ghly before instal ling the Summi t s witch . • Installat ion and removal of the unit mu st be carried out by qualifi ed personnel only .
A-2 S UMMI T S WITCH I NS TALLA TION AND U SER G UIDE S AF ETY I NFORMATION • This unit operates under Safety Extra Low V oltage (SEL V) conditions accor ding to IEC 950. The con ditions are only main tained if th e equipment to w hich it is connected also operates unde r SEL V conditions.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E A-3 I MPORTANT S AF ETY I NFORMA TION F USE • Disconnect power fr om the unit before o pening the fuse holder cover . The unit automat ically adjus ts to the s upply voltag e. The fuse is suit able for both 1 10V A .
A-4 S UMMI T S WITCH I NS TALLA TION AND U SER G UIDE S AF ETY I NFORMATION L ITHIUM B ATTERY • Replace the lithium battery with the same or equivalent type, as r ecommended by the manufacturer . There is a danger o f e xplos ion if th e batter y is incorrectly replac ed.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E B-1 B T echnical Specifications Ph ysical Dimensions He igh t: 3. 5 in ches x W idt h: 17 .32 inc hes x Dept h: 17 .
B-2 S UMMI T S WITCH I NS TALLA TION AND U SER G UIDE T ECHNICAL S PEC IFICATIONS Heat Dissipation 118W maxi mum (3 41.2 BTU/hr ma ximum) P ower Supp ly AC Line F requency 47Hz to 63Hz Input Volta ge Options 90VAC to 264VAC , auto-ranging Current Ra ting 100-120/2 00-240 VAC 3.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E C-1 C T roub leshooting If you encounter problems when using the switch, this appendix ma y be helpful. If you have a problem not lis ted here or in the release notes, contact yo ur local techni cal support repr esentative.
C-2 S UMMIT S WITCH I NS TAL LATIO N AND U SER G UIDE T ROUBL ESHOOTING Both sides if the gigabit link must be enabled or disabled. It the two are d iffer ent, typically th e side with auto negotiation dis abled will ha ve the link LED list, and the side with autonegotiation enabled will not list.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E C-3 U SING THE C OMMAND -L INE I NT ER F AC E T raps are not received by the SNMP Network Mana ger: Check that the SNMP Network Manager's IP addr ess and community string are corr ectly configured, and that the IP addr ess of the T rap Receiver is configured pro perly on the s witch.
C-4 S UMMIT S WITCH I NS TAL LATIO N AND U SER G UIDE T ROUBL ESHOOTING Y ou f orget your password and cannot log in: If you are not an adm inistrator , an other user havin g administ rator access level ca n log in, delete your user name, and cr eate a new user name for you, with a new passwor d.
S UMMIT S WITCH I NSTALLATION AND U SER G UID E C-5 U SING THE C OMMAND -L INE I NT ER F AC E VLAN names : Ther e ar e res trictio ns on VLAN na mes. They ca nnot cont ain whi te spaces and c annot start with a numeric value unless you use quotation marks aroun d the name.
C-6 S UMMIT S WITCH I NS TAL LATIO N AND U SER G UIDE T ROUBL ESHOOTING The switch keeps aging out endsta tion entries in th e switch Forwarding Data base (FDB ): Reduce the number o f topolo gy changes by disabling STP on those sw itches that do not use redundant paths.
Inde x A access lev els 3-8 acco unts, c rea ting 3-10 admin account 3 -9 aging entries 6-1 ala rm acti ons 12-17 Alarms , RMON 12 -16 area 0, OSPF 10 -6 areas, OSP F 10-5 autone goti ation 4 -2 B bac.
ii - Index DVMRP configuring 11- 3 descr ip tion 11- 2 dyn amic ent rie s 6- 1 dynamic routes 9-3 E EDP commands 4-12 connected to SummitLink por t 4-11 description 4-1 1 enab ling a port 4-1 err ors,.
Index - iii IP unicast routing BOOTP r elay 9-10 config uration ex amples 9-15 configuring 9-9 defa ult ga teway 9-1 desc ri pti on 1-7 DHCP relay 9-10 disa bl ing 9- 18 enablin g 9-9 multinett ing, d.
iv - Index P PA C E 8 - 4 passwor ds default 3-9 for gettin g 3-10 path cost 7-5 permanen t entries 6-2 ping command 3-22 poison revers e 1 0 -3 port autone goti ation 4 -2 commands (table) 4-3 config.
Index - v RMON alarm act ions 12-17 Alarms group 12 -16 Even ts g rou p 12- 16 featur es supported 12-15 Histor y group 12-15 probe 12-15 Stat istics gr oup 12-15 ro uter inte rfaces 9-2 router t ypes, OSPF 10-6 Routing Informa tion Protocol. See RIP routing ta ble, populating 9-3 rou ti ng.
vi - Index T taggi n g, VLAN 5-5 Te l n e t disa bl ing 3- 15 disconn ecting a session 3-15 loggi ng 12-11 using 3-12 TF TP serv er 14- 1 using 14-4 tracero ute command 3-22 traf fic grouping s, QoS 8.
Inde x of Commands C clear counter s 12-14 clear fdb 6-6 clear igmp snooping 11-8 clear ip arp 3-16, 9-12, 9 -18 clear ipfdb 9 -12, 9- 18 clear ipmc cache 11-8 clear log 12-14 clear sessi on 3-7, 3-15.
ii-Index of Comm ands conf ig snmp add tr aprec eiver 3- 20 config snmp community 3-20 config snmp dele te 3-20 config snmp dele te trapr eceiver 3-20 config snm p syscontact 3- 20 config snm p sysloc.
Index of Commands-ii i enable rip poisonr everse 10-8 enable rip splith orizon 10-8 enable ri p triggerupdate 10-8 enab le sharing 4-3 enable smartr edundancy 4-3 enable sn mp access 3-20 enable snmp .
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Extreme Networks Summit1 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Extreme Networks Summit1 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Extreme Networks Summit1 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Extreme Networks Summit1 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Extreme Networks Summit1, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Extreme Networks Summit1.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Extreme Networks Summit1. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Extreme Networks Summit1 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
