Index

Numerics

Index

Numerics

10/100 port speed, setting 5-6

802.10 trunks

: See IEEE 802.10 trunks

802.1Q

: See IEEE 802.1Q

802.3 RAW-to-FDDI translation 38-12

A

Access Control Entry

: See ACE

ACE

creating 15-11

Layer 4

: port numbers 15-11
: protocols 15-11

overview 15-5

addresses

: adding to IP permit list 19-2
: aliases, creating 29-6
: automatic assignment 3-2
: clearing from IP permit list 19-4
: designating 2-8
: DHCP and 3-9
: in-band (sc0) interface and 3-5
: out-of-band management Ethernet (me1) interface and 3-6
: SLIP (sl0) interface and 3-9

MAC

: allocation 8-11
: blocking 18-1
: designating 2-8
: filters, Token Ring 41-2
: learning, FDDI/CDDI 38-13
: port security and 18-1

address-recognized bit, Token Ring 40-9

administration

: overview 1-8
: switch 29-1, 36-1

administrative groups, EtherChannel 7-2

advertisements, VTP 10-2

aliases

command, creating 29-5

: creating 29-6
: designating 2-8

All-Routes Explorers

: maximum hops 11-11
: reduction, Token Ring 40-10

APaRT, FDDI/CDDI and 38-12

audience xix

authentication

example configuration 30-33

Kerberos

: configuration guidelines 30-8
: credentials forwarding, enabling 30-16
: enabling 30-12
: overview 30-4
: realm, defining 30-13
: servers, specifying 30-14
: SRVTAB files 30-15

local

: configuration guidelines 30-8
: default configuration 30-7
: disabling 30-10
: enable password, setting 30-10
: enabling 30-8
: overview 30-2
: password recovery 30-11

NTP 37-4

overview 30-2

RADIUS

: configuration guidelines 30-8
: deadtime, setting 30-24
: default configuration 30-7
: disabling 30-26
: enabling 30-21
: key, clearing 30-26
: key, specifying 30-22
: overview 30-2
: retransmit count, setting 30-24
: servers, clearing 30-25
: servers, specifying 30-21
: timeout, setting 30-23

TACACS+

: configuration guidelines 30-8
: default configuration 30-7
: disabling 30-33
: enabling 30-28
: example configuration 30-33
: key, specifying 30-29
: login attempts allowed 30-30
: overview 30-3
: timeout interval 30-29

automatic packet recognition and translation

: See APaRT

autonegotiation

: duplex 5-6
: speed 5-6
: trunks 12-2

B

BackboneFast

: disabling 9-9
: displaying statistics 9-9
: enabling 9-8
: overview 9-6

banner

: See login banner

blocking state, STP 8-6

BOOT environment variable

: clearing 31-9, 31-12
: default 31-5
: displaying 31-12
: overview 31-3, 31-4
: setting 31-9, 31-10

boot field

: overview 31-3
: setting 31-5

booting

configuration register

: setting value 31-8

ignoring NVRAM 31-8

BPDUs, overview 8-3

bridge forward delay, STP 8-18

bridge hello time, STP 8-18

bridge ID

: MAC addresses and 8-11

bridge maximum aging time, STP 8-18

bridge priority, STP 8-17, 8-18, 8-19

bridge protocol data units

: See BPDUs

broadcast suppression

: bandwidth-based 17-2
: disabling 17-5
: enabling 17-4
: hardware 17-2
: overview 17-1
: packet-based 17-3
: software 17-3

C

CAM

: FDDI/CDDI 38-12

Catalyst 2926G series, overview (table) 1-3

Catalyst 2948G, overview (table) 1-3

Catalyst 4000 family, overview (table) 1-2

Catalyst 5000 family

: overview (table) 1-1

Catalyst 5500 series

: redundant supervisor in 4-1

CDDI

APaRT, configuring 38-12

CAM 38-12

checking connectivity 38-15

default configuration 38-2, 39-3

example configurations

: IEEE 802.10 trunking 39-4
: multiswitch without trunking 38-16
: single switch 38-15

ICMP unreachable messages 38-7

IEEE 802.10 trunks

: configuration guidelines 39-3
: configuring 39-4
: overview 39-1
: VTP and 39-2

IP fragmentation, configuring 38-6

IPX translations 38-10

LER

: alarm, setting 38-7
: cutoff, setting 38-8

MAC address learning, configuring 38-13

native VLAN, setting 38-5

neighbor notification frames 38-8

overview 38-1

PHY line state 38-9

port name, specifying 38-4

port priority, setting 38-5

TRequest parameter 38-10

TRT 38-10

user-data string, specifying 38-3

CDP

default configuration 22-2

disabling

: globally 22-2
: on ports 22-3

displaying neighbor information 22-4

enabling

: globally 22-2
: on ports 22-3

holdtime, setting 22-4

message interval, setting 22-4

overview 22-1

CGMP

disabling 16-7

enabling 16-4

joining multicast group 16-2

leave processing

: disabling 16-7
: enabling 16-5

leaving multicast group 16-2

multicast group

: clearing 16-21
: configuring 16-6, 16-11, 16-20

multicast router ports

: clearing 16-21
: specifying 16-20

overview 16-1

statistics, viewing 16-7

channel modes, EtherChannel (table) 7-3

checksum, verifying Flash file 32-9

CIDR

: static routes and 29-7

Cisco Discovery Protocol

: See CDP

Cisco Group Management Protocol

: See CGMP

CiscoWorks2000 25-4

classified frames 15-4

Classless InterDomain Routing

: See CIDR

clear boot system flash command 31-9

clearing the configuration 34-10

CLI

ROM monitor 2-8

switch

: accessing 2-2
: help 2-4
: history substitution 2-5
: IP addresses, designating 2-8
: IP aliases, designating 2-8
: MAC addresses, designating 2-8
: modules, designating 2-7
: operating 2-3
: ports, designating 2-7
: VLANs, designating 2-7

switch CLI

: command aliases 2-7

clock, setting 29-4

command aliases 2-7

command aliases, creating 29-5

community strings

: defining 25-3
: overview 25-2

CONFIG_FILE variable

: recurrence, setting 31-7

configuration files

creating 34-2

downloading

: RCP 34-8
: TFTP 34-4
: via RCP 34-7, 34-8
: via TFTP 34-4

guidelines for creating 34-1

running configuration

: downloading via RCP 34-8
: downloading via TFTP 34-4
: uploading via RCP 34-9
: uploading via TFTP 34-6

uploading

: preparation 34-6, 34-9
: to RCP server 34-9
: to TFTP server 34-6

configuration loss thresholds, Token Ring 40-9

configuration register

boot field

: switch, setting 31-5

CONFIG_FILE recurrence, setting 31-7

default setting 31-5

ignoring NVRAM at boot 31-8

overview 31-3

ROM monitor console port baud rate 31-6

setting 31-8

configuration, clearing 34-10

console port

downloading software images

: example PC download 33-29
: example UNIX download 33-30
: PC procedure 33-27
: preparation 33-26
: UNIX procedure 33-28

establishing a connection 2-2

redundant supervisor and 4-2

ROM monitor baud rate 31-6

SLIP and 3-8

system message logging settings 35-5

user sessions

: disconnecting 21-8
: monitoring 21-7

contact, setting 29-3

content-addressable memory

: See CAM

conventions, documentation xxii

Copper Distributed Data Interface

: See CDDI

CoS

ACE and 15-11

default switch CoS 15-9

drop thresholds

: mapping 15-14
: transmit 15-6

Layer 4 port numbers 15-11

Layer 4 protocols 15-11

MAC/VLAN and 15-5, 15-11

port and

: configuring values 15-9
: overview 15-4
: reverting to default 15-10

values 15-3

CWSI Campus 25-4

D

database

VMPS

: downloading 13-7
: example configuration file 13-9

date, setting 29-4

daylight saving time

: disabling adjustment 37-6
: enabling adjustment 37-5

Dedicated Token Ring

: See DTR

default configuration

: CDDI 38-2, 39-3
: CDP 22-2
: DNS 36-1
: dynamic port membership 13-2
: EtherChannel 7-4
: Ethernet 5-4
: Fast EtherChannel 7-4
: Fast Ethernet 5-4
: Fast Ethernet trunks 12-5
: FDDI 38-2, 39-3
: Gigabit EtherChannel 7-4
: Gigabit Ethernet 6-5
: Gigabit Ethernet trunks 12-5
: GMRP 16-13
: IP permit list 19-2
: Kerberos authentication 30-7
: local authentication 30-7
: NTP 37-2
: protocol filtering 20-3
: QoS 15-7
: RADIUS authentication 30-7
: SNMP 25-3
: spanning-tree 8-12
: supervisor engine 3-5
: switch boot configuration 31-5
: system message logging 35-4
: TACACS+ authentication 30-7
: Token Ring 40-4
: UDLD 24-2
: VLANs 11-6
: VMPS 13-2
: VTP 10-5

default gateway, configuring 3-6

DHCP

: in-band (sc0) interface and 3-9
: releasing lease 3-10
: renewing lease 3-10

disabled state, STP 8-10

DISL

: See DTP

DNS

default configuration 36-1

disabling 36-3

domain name

: clearing 36-3
: setting 36-2

enabling 36-2

overview 36-1

server

: clearing 36-2
: specifying 36-2

setting up 36-2

system name and 29-1

system prompt and 29-1

document conventions xxii

document organization xix

documentation, related xxi

domain name

: clearing 36-3
: setting 36-2

Domain Name System

: See DNS

downloading

configuration files

: RCP 34-8
: TFTP 34-4
: via RCP 34-7, 34-8
: via TFTP 34-4

software images

: example, multiple module 33-10, 33-11, 33-23, 33-24
: example, single module 33-9, 33-21, 33-22
: example, supervisor 33-6, 33-7, 33-18, 33-20
: overview 33-1, 33-14
: preparation 33-2, 33-15
: supervisor 33-3, 33-15
: switching module 33-4, 33-16

drop thresholds

: CoS mapping 15-14
: transmit queue 15-5, 15-13

DTP

: non-Cisco devices and 12-4
: overview 12-2

DTR 40-4

duplex

: Fast Ethernet 5-6
: Token Ring 40-7

dynamic port VLAN membership

: configuring 13-5
: default configuration 13-2
: example 13-10
: overview 13-1
: reconfirming 13-7
: troubleshooting 13-8

Dynamic Trunking Protocol

: See DTP

E

early token release, setting 40-8

enable password

: recovering lost 30-11
: setting 30-10

encapsulation type descriptions, trunks (table) 12-3

environment variables

BOOT

: clearing 31-9
: displaying 31-12
: overview 31-3, 31-4
: setting 31-9, 31-10

error messages

: system message logging (syslog) 35-1
: VMPS (table) 13-8

EtherChannel

administrative groups

: configuring 7-6
: overview 7-2

channel modes (table) 7-3

configuration example 7-11

configuration guidelines 7-4

configuring 7-5

default configuration 7-4

EtherChannel IDs 7-2

example configuration 7-14, 12-11, 12-14

frame distribution 7-3

hardware support 7-4

modes 7-3

overview 7-1

PAgP and 7-2

PAgP statistics, displaying 7-11

port costs 7-7

port-VLAN costs 7-8

statistics, displaying 7-10

Ethernet

802.3 RAW-to-FDDI translation 38-12

autonegotiation, speed 5-6

checking connectivity 5-8

default configuration 5-4

FDDI 802.2-to-Ethernet translation 38-11

FDDI SNAP-to-Ethernet translation 38-11

overview 5-1

port duplex, setting 5-6

port name, setting 5-5

port priority, setting 5-5

port speed, setting 5-6

protocol filtering

: See protocol filtering

examples, conventions xxiii

F

Fast EtherChannel

: See EtherChannel

Fast Ethernet

autonegotiation, speed 5-6

checking connectivity 5-8

default configuration 5-4

EtherChannel

: See EtherChannel

flow control

: command keywords (table) 5-3
: configuring 5-7
: overview 5-2

link negotiation

: configuring 5-7
: overview 5-3
: possible link states (table) 5-3

overview 5-1

port duplex, setting 5-6

port name, setting 5-5

port priority, setting 5-5

port speed, setting 5-6

protocol filtering

: See protocol filtering

trunks

: See trunks

FDDI

802.2-to-Ethernet translation 38-11

802.3 RAW-to-FDDI translation 38-12

APaRT, configuring 38-12

CAM 38-12

checking connectivity 38-15

default configuration 38-2, 39-3

example configurations

: IEEE 802.10 trunking 39-4
: multiswitch without trunking 38-16
: single switch 38-15

ICMP unreachable messages 38-7

IEEE 802.10 trunks

: configuration guidelines 39-3
: configuring 39-4
: example configuration 39-4
: overview 39-1
: VTP and 39-2

IP fragmentation, configuring 38-6

IPX translations 38-10

LER

: alarm, setting 38-7
: cutoff, setting 38-8

MAC address learning, configuring 38-13

native VLAN, setting 38-5

neighbor notification frames 38-8

overview 38-1

PHY line state 38-9

port name, specifying 38-4

port priority, setting 38-5

SNAP-to-Ethernet translation 38-11

TRequest parameter 38-10

TRT 38-10

user-data string, specifying 38-3

Fiber Distributed Data Interface

: See FDDI

fiber-optic, detecting unidirectional links 24-1

filters

protocol

: See protocol filtering

Token Ring

: clearing 41-4
: MAC address filter, adding 41-2
: overview 41-1
: protocol filter, adding 41-3

Flash file system

: checksum, verifying 32-9
: copying files 32-5
: default device, setting 32-2
: deleting files 32-8
: formatting device 32-10
: listing files 32-2, 32-4
: overview 32-1
: restoring deleted files 32-9
: verifying file checksum 32-9

Flash synchronization

: examples 4-12

flow control

Fast Ethernet

: configuring 5-7
: overview 5-2

Gigabit Ethernet

: configuring 6-7
: overview 6-2

keywords (table) 5-3, 6-2

formatting, Flash device 32-10

forward delay timer 8-3

forwarding state, STP 8-9

fragmentation, IP 38-6

frame classification 15-4

frame distribution, EtherChannel 7-3

frame priority, Token Ring 40-5

frame-copied bit, Token Ring 40-9

G

GARP Multicast Registration Protocol

: See GMRP

GARP timers 14-7, 16-17

Gigabit EtherChannel

: See EtherChannel

Gigabit Ethernet

checking connectivity 6-8

default configuration 6-5

flow control

: command keywords (table) 6-2
: configuring 6-7
: overview 6-2

link negotiation

: configuring 6-8
: overview 6-3
: possible link states (table) 6-3

port name, setting 6-6

port priority, setting 6-6

protocol filtering

: See protocol filtering

trunks

: See trunks

GMRP

default configuration 16-13

disabling

: globally 16-19
: per-port 16-14

enabling

: globally 16-13
: per-port 16-14

forward-all option

: disabling 16-15
: enabling 16-15

hardware and software requirements 16-13

overview 16-3

registration

: fixed 16-16
: forbidden 16-17
: normal 16-16

statistics

: clearing 16-19
: viewing 16-18

timers 16-17

GVRP

disabling

: globally 14-9
: on 802.1Q ports 14-8

enabling

: globally 14-3
: on 802.1Q ports 14-3

registration

: fixed 14-5
: forbidden 14-6
: normal 14-5

statistics

: clearing 14-8
: viewing 14-8

timers 14-7

H

Hello timer 8-3

history

: switch CLI 2-5

hops, All-Routes Explorers and 11-11

I

ICMP

ping

: executing 21-9
: overview 21-8

time exceeded messages 21-9

traceroute and 21-9

unreachable messages, FDDI/CDDI and 38-7

IEEE 802.10 trunks

: configuration guidelines 39-3
: configuring 39-4
: overview 39-1
: VTP and 39-2

IEEE 802.1Q

: configuring 12-7
: example configuration 12-14, 12-24
: mapping VLANs to ISL 11-12
: overview 12-1
: restrictions 12-5
: spanning tree and 8-11
: supported switches (table) 12-4

IGMP

configuration guidelines 16-4, 16-8

disabling 16-12

enabling 16-9

joining multicast group 16-2

leave processing

: disabling 16-12
: enabling 16-9

leaving multicast group 16-2

overview 16-1

statistics, viewing 16-11

images

: See software images

in-band (sc0) interface

: configuring 3-5
: DHCP and 3-9
: IP address, assigning 3-5
: overview 3-1, 3-4
: RARP and 3-9
: VLAN assignment 11-2

inferior BPDU, BackboneFast and 9-6

interfaces

: in-band (sc0) 3-4, 3-5, 11-2
: out-of-band management (me1) 3-4, 3-6
: SLIP (sl0) 3-4, 3-8

Internet Group Management Protocol

: See IGMP

Internet protocols, supported 1-9

: CIDR and 29-7
: default gateway, configuring 3-6
: static routes 29-6
: subnetworks, VLANs and 11-2

IP addresses

: adding to IP permit list 19-2
: aliases, creating 29-6
: automatic assignment 3-2
: clearing from IP permit list 19-4
: designating 2-8
: DHCP and 3-9
: in-band (sc0) interface and 3-5
: out-of-band management Ethernet (me1) interface and 3-6
: RARP and 3-9
: setting on supervisor 3-5, 3-6
: SLIP (sl0) interface and 3-9

IP aliases

: creating 29-6
: designating 2-8

IP fragmentation, FDDI/CDDI and 38-6

IP multicast

: CGMP and 16-4
: GMRP and 16-12
: group entries 16-19
: IGMP snooping and 16-8
: overview 16-1
: router ports and 16-19

IP permit list

: addresses, adding 19-2
: clearing entries 19-4
: default configuration 19-2
: disabling 19-4
: enabling 19-3
: overview 19-1

IP traceroute

: executing 21-10
: overview 21-9

IPX

: 802.3 RAW-to-FDDI translation 38-12
: FDDI 802.2-to-Ethernet translation 38-11
: FDDI SNAP-to-Ethernet translation 38-11
: FDDI/CDDI translations 38-10

ISL

: configuring 12-6
: example configuration 12-10, 12-11
: mapping 802.1Q VLANs 11-12
: overview 12-1
: supported switches (table) 12-4

K

Kerberos

: configuration guideliens 30-8
: credentials forwarding, enabling 30-16
: enabling 30-12
: overview 30-4
: realm, defining 30-13
: servers, specifying 30-14
: SRVTAB files, copying 30-15

Kermit

example downloads

: PC procedure 33-29
: UNIX procedure 33-30

PC software download procedure 33-27

preparing to download software images 33-26

UNIX software download procedure 33-28

key

RADIUS

: clearing 30-26
: specifying 30-22

TACACS+

: clearing 30-32
: specifying 30-29

L

Layer 4

: port numbers 15-11
: protocols 15-11

learning state, STP 8-8

leave processing, CGMP

: disabling 16-7
: enabling 16-5

leave processing, IGMP

: disabling 16-12
: enabling 16-9

LER

: alarm, setting 38-7
: cutoff, setting 38-8

link error rate

: See LER

link negotiation

Fast Ethernet

: configuring 5-7
: overview 5-3

Gigabit Ethernet

: configuring 6-8
: overview 6-3

listening state, STP 8-7

load sharing, trunking and 12-18

local authentication

configuration guidelines 30-8

default configuration 30-7

disabling 30-10

enable password

: setting 30-10

enabling 30-8

overview 30-2

password recovery 30-11

location, setting 29-3

: clearing 29-5
: configuring 29-4
: overview 29-4

: recovering lost 30-11
: setting 30-9

M

MAC addresses

: allocation 8-11
: blocking 18-1
: designating 2-8
: filters, Token Ring 41-2
: learning, FDDI/CDDI 38-13
: port security and 18-1

mapping VLANs 11-12

maximum age timer 8-3

me1 (out-of-band management) interface

: configuring 3-6
: IP address, assigning 3-6
: overview 3-1

message-of-the-day

: See login banner

metric values, switch TopN reports (table) 23-2

MIBs

: Network Analysis Module and 26-3
: overview 25-1
: RMON/RMON2 support (table) 26-3
: support list 1-10

minimal downtime software upgrade 4-8

modules

CDDI

: configuring 38-1

checking status 21-1

designating on command-line 2-7

downloading software images 33-4, 33-16

Ethernet

: configuring 5-1, 7-1, 20-1

Fast Ethernet

: configuring 5-1, 7-1, 20-1

FDDI

: configuring 38-1

Gigabit Ethernet

: configuring 6-1, 7-1

Network Analysis Module

: configuring 28-1

supervisor engine

: configuring 3-1

Token Ring

: configuring 40-1

MOTD

: See login banner

multicast

CGMP and 16-4

GMRP and 16-12

groups

: clearing 16-21
: configuring 16-6, 16-11, 16-20
: joining 16-2
: leaving 16-2

IGMP snooping and 16-8

overview 1-8, 16-1

router

: clearing ports 16-21
: specifying port for 16-20

suppression

: bandwidth-based 17-2
: disabling 17-5
: enabling 17-4
: hardware 17-2
: overview 17-1
: packet-based 17-3
: software 17-3

N

name, setting port 5-5, 6-6

native VLAN

: 802.1Q and 12-5
: CDDI and 38-5
: FDDI and 38-5

NDE

: Network Analysis Module and 28-3

neighbor devices, displaying 22-4

neighbor notification frames, FDDI/CDDI and 38-8

NetFlow Data Export

: See NDE

NetFlow Monitor Option 28-3

Network Analysis Module

: configuring 28-2
: default configuration 28-2
: NDE 28-3
: NetFlow Monitor Option 28-3
: other commands 28-5
: overview 28-1
: SPAN 28-3
: VLAN Agents Option 28-5
: VLAN Monitor Option 28-4

network management

: configuring 25-1, 26-1
: overview 1-6

network security

: See security

Network Time Protocol

: See NTP

NFFC/NFFC II

: IGMP snooping and 16-4, 16-8
: protocol filtering and 20-1

NMS

: SNMP, configuring 25-3

NTP

authentication 37-4

broadcast-client mode

: configuring 37-3
: disabling 37-7

client mode

: configuring 37-3
: disabling 37-7

daylight saving time adjustment

: disabling 37-6
: enabling 37-5

default configuration 37-2

disabling 37-7

overview 37-1

server

: clearing 37-6
: specifying 37-3

time zone

: clearing 37-6
: setting 37-5

NVRAM

: ignoring content at boot 31-8

O

out-of-band management (me1) interface

: configuring 3-6
: IP address, assigning 3-6
: overview 3-1

overview

: Catalyst 2926G series switches (table) 1-3
: Catalyst 2948G switch (table) 1-3
: Catalyst 4000 family switches (table) 1-2
: Catalyst 5000 family switches (table) 1-1
: software features 1-4
: supervisor engine software 1-4

P

PAgP

: overview 7-2
: statistics, displaying 7-11

passwords

enable 30-10

recovering lost

: on switch 30-11

PC card, formatting 32-10

PCMCIA

: See PC card

permit list

: See IP permit list

PHY

: line state, FDDI/CDDI 38-9

ping

: executing 21-9
: overview 21-8
: testing connectivity 5-8, 6-8, 38-15

Port Aggregation Protocol

: See PAgP

port cost

: configuring 8-16
: EtherChannel 7-7

port security

clearing

: MAC addresses 18-4

configuration guidelines 18-2

configuring 18-1

: age time, specifying 18-4
: MAC addresses, specifying number 18-3
: security violation action, specifying 18-5
: shutdown time, specifying 18-5

disabling 18-6

monitoring 18-6

overview 18-1

PortFast, configuring 9-2

ports

capabilities, checking 21-5

checking status 21-3

cost, STP 8-16

designating on command-line 2-7

duplex

: Ethernet 5-6
: Fast Ethernet 5-6
: Token Ring 40-7

dynamic VLAN membership

: configuring 13-5
: default configuration 13-2
: example 13-10
: overview 13-1
: reconfirming 13-7
: troubleshooting 13-8

name

: CDDI 38-4
: Ethernet 5-5
: Fast Ethernet 5-5
: FDDI 38-4
: Gigabit Ethernet 6-6
: Token Ring 40-5

port-VLAN cost, STP 8-17

priority

: CDDI 38-5
: Ethernet 5-5
: Fast Ethernet 5-5
: FDDI 38-5
: Gigabit Ethernet 6-6
: STP 8-15
: Token Ring 40-5

speed

: 10/100 Fast Ethernet 5-6
: Token Ring 40-6

state, Token Ring STP 8-19

transmission mode, Token Ring 40-7

VLAN assignments 11-11

VLAN priority, STP 8-15

port-VLAN cost

: EtherChannel 7-8

priority

: CDDI ports 38-5
: Ethernet ports 5-5
: Fast Ethernet ports 5-5
: FDDI ports 38-5
: Gigabit Ethernet ports 6-6
: STP 8-15
: Token Ring ports 40-5

prompt

: configuring 29-2
: overview 29-1

protocol filtering

: configuring 20-3
: default configuration 20-3
: overview 20-1
: protocol support 20-1
: Token Ring 41-3

pruning, VTP

: See VTP, pruning

Q

QoS

ACEs 15-5

classification 15-4

CoS

: ACE and 15-11
: drop thresholds, mapping 15-14
: drop thresholds, transmit 15-6
: Layer 4 port numbers 15-11
: Layer 4 protocols 15-11
: MAC/VLAN and 15-5, 15-11
: ports, configuring values 15-9
: ports, overview 15-4
: reverting to port default 15-10
: values 15-3

default configuration 15-7

disabling 15-17

enabling 15-9

frame classification 15-4

information display command 15-16

labels 15-3

overview 15-1

revert to defaults 15-17

router address 15-13

statistics 15-15

traffic flow

: Catalyst 4000 and 2948G (Figure) 15-3
: Catalyst 5000 (Figure) 15-2

traffic flow (figure) 15-2, 15-3

traffic marking 15-4

transmit queue

: drop thresholds 15-13
: overview 15-5

Quality of Service

: See QoS

R

RADIUS

configuration guidelines 30-8

deadtime, setting 30-24

default configuration 30-7

disabling 30-26

enabling 30-21

key

: clearing 30-26
: specifying 30-22

overview 30-2

retransmit count, setting 30-24

servers

: clearing 30-25
: specifying 30-21

timeout, setting 30-23

RARP

: in-band (sc0) interface and 3-9

rcp

downloading configuration files 34-8

downloading software images

: supervisor engine 33-15
: switching modules 33-14

downloading switching module images 33-16

uploading configuration files 34-9

redundant supervisor engine

: See supervisor engine, redundant

S

sc0 (in-band) interface

: configuring 3-5
: IP address, assigning 3-5
: overview 3-1
: VLAN assignment 11-2

security

: configuring 19-1
: IP permit list 19-1
: overview 1-6
: passwords, configuring 30-10

serial download

: example PC software image download 33-29
: example UNIX software image download 33-30
: PC software image download procedure 33-27
: preparing to download 33-26
: UNIX software image download procedure 33-28

Simple Network Management Protocol

: See SNMP

sl0 (SLIP) interface

: configuring 3-8
: overview 3-1

SLIP

: console port and 3-8
: sl0 interface 3-4

SLIP (sl0) interface

: configuring 3-8
: overview 3-1

SNMP

community strings

: defining 25-3
: overview 25-2

configuring 25-3

default configuration 25-3

NMS and 25-3

overview 25-1

supported RMON MIB objects 26-3

software images

downloading

: example, multiple module 33-10, 33-11, 33-23, 33-24
: example, single module 33-9, 33-21, 33-22
: example, supervisor 33-6, 33-7, 33-18, 33-20
: overview 33-1, 33-14
: preparation 33-2, 33-15
: supervisor 33-3, 33-15
: switching module 33-4, 33-16

supervisor engine, description 1-4

uploading

: preparation 33-13, 33-25
: supervisor 33-13, 33-25

software upgrade

: minimal downtime 4-8

source-route bridging

: See SRB

source-route switching, Token Ring and 40-3

source-route transparent bridging

: See SRT bridging

SPAN

: configuration guidelines 27-2
: configuring 27-3
: disabling 27-4
: overview 27-1

spanning tree

BPDUs 8-3

EtherChannel port costs 7-7

EtherChannel port-VLAN costs 7-8

forward delay timer 8-3

Hello timer 8-3

IEEE 802.1Q and 8-11

MAC address allocation 8-11

maximum age timer 8-3

root switch 8-14

: configuring 8-13
: overview 8-2

timers 8-3

UplinkFast

: dummy MAC addresses and 9-4

spanning-tree backbone fast convergence

: See BackboneFast

spanning-tree PortFast

: See PortFast

Spanning-Tree Protocol

: See STP

spanning-tree UplinkFast

: See UplinkFast

speed

: 10/100 Fast Ethernet port, setting 5-6
: Token Ring port, setting 40-6

SRB, Token Ring and 40-3

SRT bridging, Token Ring and 40-3

standby supervisor engine

: See supervisor engine, redundant

static route, configuring 29-6

STP

BPDUs and 8-3

bridge forward delay, setting 8-18

bridge hello time, setting 8-18

bridge maximum aging time, setting 8-18

bridge priority, setting 8-17, 8-18, 8-19

default configuration 8-12

disabling 8-20

enabling 8-13

overview 1-4, 8-1

port cost, configuring 8-16

port priority, configuring 8-15

port states

: blocking 8-6
: disabled 8-10
: forwarding 8-9
: learning 8-8
: listening 8-7
: overview 8-4

port VLAN priority, configuring 8-15

PortFast, configuring 9-2

port-VLAN cost 8-17

root switch

: election 8-2
: parameters (table) 8-3

stable topology and 8-4

Token Ring

: overview 8-11
: port state, setting 8-19
: TrBRF 8-19
: TrBRF functional address, setting 8-20

supervisor engine

BOOT environment variable

: clearing 31-9, 31-12
: displaying 31-12
: overview 31-3, 31-4
: setting 31-9, 31-10

configuration register

: boot field, setting 31-5
: ignore NVRAM, setting 31-8
: overview 31-3
: ROM monitor baud rate, setting 31-6
: setting 31-8

configuring 3-1

console port

: establishing connection 2-2
: ROM monitor baud rate 31-6
: SLIP and 3-8

default boot configuration 31-5

default configuration 3-5

default gateways 3-6

downloading software images 33-3, 33-15

Flash file system

: See Flash file system

IP address, setting 3-5, 3-6

management interfaces

: me1 (out-of-band), configuring 3-6
: overview 3-1
: sc0 (in-band), configuring 3-5
: sl0 (SLIP), configuring 3-8

me1 (out-of-band management) interface 3-6

preparing to configure 3-4

redundant

: configuration guidelines 4-4
: console port and 4-2
: Flash synchronization 4-12
: forcing switchover to standby 4-6
: overview 1-9, 4-1
: slot assignment 4-2
: Supervisor Engine III 4-2
: uplink ports, configuring 4-7
: verifying status 4-5

ROM monitor 31-2

sc0 (in-band) interface 3-5

sl0 (SLIP) interface 3-8

software description 1-4

software images

: downloading 33-3, 33-15
: overview 1-4
: startup, specifying 31-1
: uploading 33-13, 33-25

startup configuration 31-1

static routes 29-6

switchover 4-6

uplink ports, standby, configuring 4-7

uploading software images 33-13, 33-25

switch administration

: modules, checking status 21-1
: overview 1-8
: ports, checking status 21-3
: procedures 29-1, 36-1

switch CLI

: accessing 2-2
: command aliases 2-7
: help 2-4
: history substitution 2-5
: IP addresses, designating 2-8
: IP aliases, designating 2-8
: MAC addresses, designating 2-8
: modules, designating 2-7
: operating 2-3
: ports, designating 2-7
: VLANs, designating 2-7

switch management interfaces

: See supervisor engine, management interfaces

switch TopN reports

: background execution 23-2
: foreground execution 23-2
: metric values (table) 23-2
: overview 23-1
: running 23-3
: viewing 23-3

Switched Port Analyzer

: See SPAN

switching modules

: See modules

switchover

: See supervisor engine, switchover

syslog

: buffer size, setting 35-6
: configuration, displaying 35-8
: configuring 35-4
: daemon, configuring 35-7
: default configuration 35-4
: facilities (table) 35-2
: logging levels, setting 35-5
: message format 35-3
: message log, displaying 35-9
: overview 35-1
: server, configuring 35-7
: session settings, setting 35-4
: severity levels (table) 35-3
: timestamp, changing enable state 35-6

system clock, setting 29-4

system contact, setting 29-3

system image

switch

: downloading 33-3, 33-15
: overview 1-4
: startup, specifying 31-1
: uploading 33-13, 33-25

system location, setting 29-3

system message logging

: buffer size, setting 35-6
: configuration, displaying 35-8
: configuring 35-4
: daemon, configuring 35-7
: default configuration 35-4
: facilities (table) 35-2
: logging levels, setting 35-5
: message format 35-3
: message log, displaying 35-9
: overview 35-1
: server, configuring 35-7
: session settings, setting 35-4
: severity levels (table) 35-3
: syslog daemon, configuring 35-7
: timestamp, changing enable state 35-6

system name

: clearing 29-3
: configuring 29-2
: overview 29-1

system prompt

: configuring 29-2
: overview 29-1

T

TACACS+

: configuration guidelines 30-8
: default configuration 30-7
: disabling 30-33
: enabling 30-28
: example configuration 30-33
: key, specifying 30-29
: login attempts allowed 30-30
: overview 30-3
: timeout interval 30-29

Telnet

system message logging settings 35-5

user sessions

: disconnecting 21-8
: monitoring 21-7

Telnet, executing 21-6

TFTP

downloading software images

: example, multiple module 33-10, 33-11, 33-23, 33-24
: example, single module 33-9, 33-21, 33-22
: example, supervisor 33-6, 33-7, 33-18, 33-20
: supervisor engine 33-3, 33-15
: switching modules 33-4, 33-16

uploading configuration files 34-6

uploading software images 33-13, 33-25

time zone

: clearing 37-6
: setting 37-5

time, setting 29-4

Token Ring

address-recognized bit 40-9

All-Routes Explorer reduction 40-10

configuration loss thresholds, setting 40-9

default configuration 40-4

DTR 40-4

duplex, setting 40-7

early token release, setting 40-8

filters

: clearing 41-4
: MAC address filter, adding 41-2
: overview 41-1
: protocol filter, adding 41-3

frame priority, setting 40-5

frame-copied bit 40-9

overview 40-1

port name, setting 40-5

port transmission mode, setting 40-7

source-route switching 40-3

speed, setting on port 40-6

SRB 40-3

SRT bridging 40-3

STP

: See STP, Token Ring

supported features 40-2

TrBRF

: functional address, setting 8-20
: STP and 8-19

VLANs

: overview 11-3
: TrBRF 11-3
: TrCRF 11-4

Token Ring Timer

: See TRT

TopN reports

: See switch TopN reports

traceroute

: See IP traceroute

translation, IPX on FDDI/CDDI 38-10

transmit queue

: drop thresholds 15-13

TrBRF

: creating 11-8
: functional address, setting 8-20
: modifying 11-8
: overview 11-3
: STP, configuring 8-19

TrCRF

: All-Routes Explorer maximum hops 11-11
: backup 11-10
: creating 11-9
: modifying 11-9
: overview 11-4

TRequest, FDDI/CDDI and 38-10

troubleshooting

: system message logging and 35-1
: VMPS 13-8

TRT, FDDI/CDDI and 38-10

trunks

allowed VLANs 12-8

autonegotiation 12-2

default configuration 12-5

disabling 12-9

encapsulation types

: descriptions (table) 12-3
: switch support matrix (table) 12-4

example configurations

: 802.1Q 12-14
: IEEE 802.1Q 12-24
: ISL 12-10, 12-11
: load sharing 12-18

IEEE 802.1Q

: configuring 12-7
: restrictions 12-5

ISL, configuring 12-6

ISL/802.1Q negotiating, configuring 12-8

modes (table) 12-2

overview 12-1

possible configurations (table) 12-3

VLANs, allowed 12-8

U

UDLD

: configuration, displaying 24-4
: default configuration 24-2
: disabling globally 24-4
: disabling on ports 24-3
: enabling globally 24-3
: enabling on ports 24-3
: overview 24-1
: software and hardware requirements 24-2

unclassified frames 15-4

UniDirectional Link Detection protocol

: See UDLD

upgrading

: minimal downtime 4-8

uplink ports, standby, configuring 4-7

UplinkFast

: configuring 9-4
: dummy MAC addresses and 9-4
: overview 9-3

uploading

configuration files

: preparation 34-6, 34-9
: running configuration 34-6, 34-9
: TFTP 34-6

software images

: preparation 33-13, 33-25
: supervisor 33-13, 33-25

user sessions

: disconnecting 21-8
: monitoring 21-7

user-data string, FDDI/CDDI 38-3

V

virtual LAN

: See VLANs

VLAN Agents Option 28-5

VLAN Management Policy Server

: See VMPS

VLAN Monitor Option 28-4

VLAN Trunk Protocol

: See VTP

VLAN trunks

: See trunks

VLANs

allowed on trunk 12-8

assigning ports to 11-11

bridge forward delay 8-18

bridge hello time 8-18

bridge maximum aging time 8-18

bridge priority 8-17, 8-18, 8-19

configuration guidelines 11-6

cost 8-17

default configuration 11-6

deleting 11-13

designating on command-line 2-7

Ethernet 11-7

FDDI 11-8

in-band (sc0) interface assignment 11-2

IP subnetworks and 11-2

mapping 802.1Q to ISL 11-12

native

: 802.1Q and 12-5
: FDDI/CDDI 38-5

overview 1-5, 11-1

port VLAN priority 8-15

ports, assigning to 11-11

protocol filtering and 20-1

sc0 (in-band) interface assignment 11-2

Token Ring

: All-Routes Explorer maximum hops 11-11
: backup 11-10
: creating 11-8, 11-9
: modifying 11-8, 11-9
: overview 11-3
: TrBRF 11-3
: TrCRF 11-4

TrBRF 11-8

TrCRF

: backup 11-10
: creating 11-9

trunks

: See trunks

VTP domain and 11-1

VMPS

administering 13-6

configuring 13-5

database

: creating 13-4
: downloading 13-7
: example configuration file 13-9

default configuration 13-2

disabling 13-5

dynamic port membership

: configuring 13-5
: example 13-10
: overview 13-1
: reconfirming 13-7
: troubleshooting 13-8

error messages (table) 13-8

example configurations

: database configuration file 13-9
: dynamic port VLAN membership 13-10

monitoring 13-6

overview 13-1

reconfirming membership 13-7

troubleshooting 13-8

VTP

advertisements 10-2

client, configuring 10-7

configuration guidelines 10-5

default configuration 10-5

disabling 10-7

domains 10-2

IEEE 802.10 trunks and 39-2

modes

: client 10-2
: server 10-2
: transparent 10-2

monitoring 10-10

overview 10-1

pruning

: configuring 10-9
: disabling 10-10
: overview 10-3

server, configuring 10-6

statistics 10-10

transparent mode, configuring 10-7

version 2

: disabling 10-9
: enabling 10-8
: overview 10-3

VLANs and 11-1

VTP pruning

: configuring 10-9
: disabling 10-10
: overview 10-3

Table of Contents

Index