Table Of Contents

Numerics - A - B - C - D - E - F - G - H - I - K - L - M - N - O - P - Q - R - S - T - U - V - W -

Index

Numerics

10/100 port speed, setting 4-4

1400W DC power supply 27-16

802.1Q

example 11-8, 11-18

mapping VLANs to ISL 10-10

overview 11-1

restrictions 11-4

supported switches (table) 11-4

802.1x authentication

configurable parameters 28-9

overview 28-8

using a RADIUS server for VLAN assignment 28-10

A

accelerator module, switch fabric

See switch fabric accelerator module

accounting

configuration guidelines 28-63

disabling 28-65

enabling 28-64

overview 28-61

See also RADIUS accounting; TACACS+ accounting

adding multicast filter profiles 15-21

addresses

See IP addresses; MAC addresses

Address Resolution Protocol

See ARP

administration

switch 27-1, 35-1

administrative groups, EtherChannel 6-6

advertisements

See VTP advertisements

aliases

See command aliases; IP aliases

aliases, command 2-7

ARP

configuring entries 27-8

assigning port filter associations 15-24

attempts, limiting telnet 28-13

audience 1-23

authentication

See 802.1x authentication, Kerberos authentication; local authentication; login authentication; NTP authentication; RADIUS authentication; TACACS+ authentication

authorization

overview 28-54

See also TACACS+ authorization 28-56

autonegotiation

duplex 4-5

speed 4-5

trunks 11-2

auxiliary VLANs

dynamic VLAN membership 12-14

software support 10-5

B

BackboneFast

adding a switch (figure) 8-18

disabling 8-17

displaying statistics 8-16

enabling 8-16

multiple spanning tree 7-15

overview 8-14

backplane channel module 33-3

banners

See login banners

boot configuration

clearing system flash 29-7

ignoring NVRAM 29-6

BOOT environment variables

clearing 29-7, 29-8

default 29-4

displaying 29-8

overview 29-3

setting 29-7, 29-8

boot field

overview 29-2

setting 29-4

BPDU filter

multiple spanning tree 7-15

BPDU guard

disabling 8-9

enabling 8-8

multiple spanning tree 7-15

BPDU overview 7-2

BPDU skewing

configuring 7-43

understanding 7-43

bridge identifiers

MAC addresses 7-13

PVST+ 7-22

bridge protocol data unit

See BPDU

C

Catalyst 2948G switches, overview (table) 1-2

Catalyst 2980G switches, overview (table) 1-3

Catalyst 4000 family switches, overview (table) 1-1

CDP

default configuration 21-1

disabling globally 21-2

disabling on ports 21-3

displaying neighbor information 21-5

enabling globally 21-2

enabling on ports 21-3

overview 21-1

setting holdtime 21-4

setting message interval 21-4

CGMP

clearing multicast groups 15-18

clearing multicast router ports 15-18

configuring multicast groups 15-7, 15-17

disabling 15-8

disabling fast-leave processing 15-8

displaying multicast groups 15-7

enabling 15-4

enabling fast-leave processing 15-5, 15-6

joining multicast groups 15-2

leaving multicast groups 15-2

overview 15-1

specifying multicast router ports 15-16

viewing statistics 15-7

channel modes, EtherChannel (table) 6-5

LACP 6-16

checksum, verifying Flash file 31-7

CIDR

static routes and 27-9

Cisco Discovery Protocol

See CDP

Cisco Group Management Protocol

See CGMP

CiscoWorks2000 24-16

CIST 7-15

classification

frames 14-3

classless interdomain routing

See CIDR

class of service

See CoS

clear boot system flash command 29-7

CLI

command aliases 2-7

ROM monitor 2-8

switch

accessing 2-2

designating IP addresses 2-8

designating IP aliases 2-8

designating MAC addresses 2-8

designating modules 2-7

designating ports 2-7

designating VLANs 2-7

help 2-4

history substitution 2-5

operating 2-3

clock, setting 27-4

command aliases

creating 27-6

using 2-7

command-line interface

See CLI

Common and Internal Spanning Tree

See CIST 7-15

Common Spanning Tree

See CST 7-14

common spanning tree

See CST

community ports

definition 10-12

community strings

defining 24-6

overview 24-5

CONFIG_FILE variable

setting recurrence 29-5

configuration

clearing the 32-8

configuration files

creating 32-2

downloading via RCP 32-6

downloading via TFTP 32-4

guidelines 32-1

uploading preparation 32-5, 32-7

uploading to RCP server 32-7

uploading to TFTP server 32-5

configuration guidelines

TACACS+ accounting 28-63

configuration register

default setting 29-4

ignoring NVRAM at boot 29-6

overview 29-2

setting boot field 29-4

setting CONFIG_FILE recurrence 29-5

configurations

IGMP traffic filtering 15-18

configuring

multicast filtering 15-21

port IP multicast filtering 15-21

configuring a switch

using a file on an rcp server 32-6

console port

disconnecting user sessions 20-8

establishing connections 2-2

monitoring user sessions 20-8

SLIP and 3-8

system message logging settings 34-5

conventions, document 1-26

CoS

configuring default switch values 14-5

drop thresholds

mapping 14-6

transmitting 14-3

Layer 2 CoS values 14-2

reverting to default 14-5

CST 7-14

VLAN 1 7-18

D

databases

downloading VMPS 12-10

See also VMPS databases

date, setting 27-4

daylight saving time

disabling adjustment 36-7

enabling adjustment 36-5

default configurations

Ethernet 4-2

Fast Ethernet 4-2

TACACS+ accounting 28-63

default gateway, configuring 3-7

default IGMP filter configuration 15-19

denying filter match-action 15-22

DHCP

releasing lease 3-11

renewing lease 3-11

sc0 interface and 3-10

disabling IGMP multicast filtering 15-20

DISL

See DTP

DNS

clearing domain names 35-3

default configuration 35-1

disabling 35-3

enabling 35-2

overview 35-1

setting domain names 35-2

setting up 35-2

system name and 27-1

system prompt and 27-1

DNS servers

clearing 35-2

specifying 35-2

documentation

conventions 1-26

organization 1-23

related 1-25

domain names

clearing 35-3

setting 35-2

Domain Name System

See DNS

downloading

configuration files 32-4, 32-6

software images 30-2, 30-6

drop thresholds

CoS mapping 14-6

transmit queue 14-3

DTP

non-Cisco devices and 11-3

overview 11-2

duplex mode

Fast Ethernet 4-5

Dynamic Host Configuration Protocol

See DHCP

dynamic ports

troubleshooting 12-11

dynamic port VLAN membership

See VMPS

Dynamic Trunking Protocol

See DTP

E

enable mode, switch CLI 2-3

enable password

recovering lost 28-18

setting 28-16

enabling IGMP multicast filtering 15-20

enabling IGMP traffic filtering 15-21

encapsulation type descriptions, trunks (table) 11-3

encryption

See secure shell encryption

environment variables

See BOOT environment variables

errdisable timeout, configuring 4-7

error messages

system message logging (syslog) 34-1

VMPS (table) 12-11

establishing multicast filter profiles 15-21

EtherChannel

administrative groups 6-6

channel modes (table) 6-5

LACP 6-16

configuration guidelines 6-3

configuring 6-6

configuring administrative groups 6-7

displaying PAgP statistics 6-12

displaying statistics 6-11

EtherChannel IDs 6-6

frame distribution 6-2

hardware support 6-2

maximum number of channels supported 6-4

modes 6-5

modes, using LACP 6-16

overview 6-1

PAgP and 6-5

port costs 6-8

port-VLAN costs 6-9

sample configuration 11-8

See also Fast EtherChannel; Gigabit EtherChannel

Ethernet

autonegotiation 4-5

checking connectivity 4-8

default configuration 4-2

overview 4-1

setting port duplex 4-5

setting port name 4-3

setting port priority 4-4

setting port speed 4-4

See also protocol filtering

examples, conventions 1-26

extended-range VLANs

See VLANs

F

Fast EtherChannel

example 6-13

overview 6-2

See also EtherChannel; Gigabit EtherChannel

Fast Ethernet

autonegotiation 4-5

checking connectivity 4-8

default configuration 4-2

overview 4-1

setting port duplex 4-5

setting port name 4-3

setting port priority 4-4

setting port speed 4-4

See also protocol filtering

fiber-optic cables, detecting unidirectional links 23-1

filtering

IGMP actions 15-18

filters, protocol

See protocol filtering

Flash file system

copying files 31-4

deleting files 31-5

listing files 31-3

restoring deleted files 31-6

setting configuration modes 31-2

setting default devices 31-1

verifying checksum 31-7

verifying file checksum 31-7

flow control

configuring 5-8

overview 5-1

forward delay timer 7-41

frame classification

overview 14-3

frame distribution, EtherChannel 6-2

G

GARP Multicast Registration Protocol

See GMRP

GARP timers

setting 13-6, 15-14

GARP VLAN Registration Protocol

See GVRP

Gigabit EtherChannel

example 6-14

See also EtherChannel; Fast EtherChannel

Gigabit Ethernet

checking connectivity 5-9

configuring flow control 5-8

configuring port negotiation 5-8

default configuration 5-6

flow control 5-1

port negotiation 5-3

port negotiation link states (table) 5-3

setting port names 5-7

setting port priority 5-7

GMRP

clearing statistics 15-16

default configuration 15-9

disabling forward-all option 15-12

disabling globally 15-16

disabling per-port 15-11

enabling forward-all option 15-11

enabling globally 15-10

enabling per-port 15-10

overview 15-3

registration15-12to 15-13

setting timers 15-14

software requirements 15-9

viewing statistics 15-15

group profiles

IGMP multicast 15-18

GVRP

clearing statistics 13-8

configuring registration 13-5

disabling 13-8

enabling 13-3

registration 13-5

setting timers 13-6

viewing statistics 13-7

H

hello time

timer 7-41

history

switch CLI 2-5

I

I-BPDU 7-15

ICMP

IP traceroute 20-12

time-exceeded messages 20-12

using ping20-9to 20-10

ID and MAC addresses, bridge 7-13

IEEE 802.1Q

See 802.1Q

IEEE 802.1x

See 802.1x authentication

IGMP

configuration guidelines 15-4

joining multicast groups 15-2

leaving multicast groups 15-2

overview 15-1

using traffic filtering 15-19

IGMP filtering

software requirements 15-19

IGMP filter match-action

denying and verifying 15-22

permitting and verifying 15-22

IGMP multicast filtering

disabling and verifying 15-20

enabling and verifying 15-20

IGMP traffic filtering 15-18

images

See software images; system images

in-band (sc0) interface

See sc0 interface

inferior BPDUs, BackboneFast and 8-14

interfaces

me1 (out-of-band management) 3-4, 3-6

sc0 (in-band) 3-4, 10-2

sl0 (SLIP)) 3-8

Internal Spanning Tree

See IST 7-14

Internet Control Message Protocol

See ICMP

Internet Group Management Protocol

See IGMP

Inter-Switch Link

See ISL

IP addresses

adding to IP permit list 18-2

automatic assignment 3-2

CIDR 27-9

clearing from IP permit list 18-4

creating aliases 27-7

default gateway 3-7

designating 2-8

DHCP and 3-10

me1 interface and 3-6

RARP and 3-10

sc0 interface and 3-5

sl0 interface and 3-10

static routes 27-9

VLANs and 10-2

IP aliases

creating 27-7

designating 2-8

IP multicast

CGMP and 15-4

GMRP and 15-9

group entries 15-16

overview 15-1

router ports and group entries 15-16

See also multicast groups; multicast routers

IP permit lists

adding addresses 18-2

clearing entries 18-4

default configuration 18-2

disabling 18-4

enabling 18-3

overview 18-1

IP traceroutes

executing 20-13

overview 20-12

ISL

mapping 802.1Q VLANs 10-10

overview 11-1

supported switches (table) 11-4

isolated ports

definition 10-12

IST

MST regions 7-14

ISTP 7-14

K

Kerberos authentication

configuration guidelines 28-12

copying SRVTAB files 28-39

defining realm 28-37

disabling credentials forwarding 28-41

enabling 28-36

enabling credentials forwarding 28-40

overview 28-5

servers, specifying 28-38

terminology 28-5, 28-8

keys

See RADIUS keys; TACACS+ keys

L

LACP

configuration parameters 6-17

configuration procedures 6-18

modes 6-16

Layer 2 traceroute

utility 20-11

leave processing, CGMP

disabling 15-8

enabling 15-5, 15-6

limiting telnet attempts 28-13

Link Aggregation Control Protocol

See LACP

listing all multicast filters 15-23

listing port filter associations 15-24

load balancing 7-14

load sharing, trunking and 11-12

local authentication

configuration guidelines 28-12

default configuration 28-11, 28-63

disabling 28-17

enabling 28-15

overview 28-2

password recovery 28-18

setting enable password 28-16

local user authentication

deleting an account 28-18, 28-20

disabling 28-20

enabling 28-19

overview 28-3

setting passwords 28-19

location, setting 27-3

login

limiting attempts 28-2

login authentication

enabling 28-13, 28-14

overview 28-2

login banner

clearing 27-5

configuring 27-4

displaying or suppressing the "Cisco Systems Console" login banner 27-5

overview 27-4

login passwords

recovering lost 28-18

setting 28-16

login timer

changing 20-6

loop guard

multiple spanning tree 7-15

M

MAC addresses

allocating 7-13

blocking 16-1

blocking unicast flood packets 17-1

bridge identifiers 7-13

designating 2-8

disabling notification 16-7

enabling notification 16-7

port security and 16-1

setting notification history log size 16-7

setting notification interval 16-7

management interfaces

overview 3-1

mapping VLANs 10-10

match-action filtering 15-22

maximum aging time timers 7-41

me1 interface

assigning IP addresses 3-6

configuring 3-6

overview 3-1

message-of-the-day

See login banner

metric values, switch TopN reports (table) 22-2

MIBs

Network Analysis Module and 25-3

overview 24-4

MISTP

bridge ID priority 7-31, 7-50

configuring an instance 7-31

conflicts, MISTP VLAN 7-36

default configuration 7-29

enabling an instance 7-34

mapping VLANs to 7-35

MISTP-PVST+ 7-28

port cost 7-32

port instance cost 7-33

port instance priority 7-34

port priority 7-32

unmapping VLANs from 7-36

modes, switch CLI 2-3

modules

checking status 20-1

configuring Ethernet 4-1, 19-1

configuring Fast Ethernet 4-1, 6-1, 19-1

configuring Gigabit Ethernet 5-1

configuring supervisor engine 3-1

designating on command line 2-7

Ethernet

configuring 6-1

Fast Ethernet

configuring 6-1

Gigabit Ethernet

configuring 6-1

modules, switch fabric accelerator 33-3

MOTD

See login banner

MST 7-14

boundary ports 7-19

bridge ID priority 7-50

configuration guidelines 7-18

configuring 7-45

configuring bridge ID priority 7-50

edge ports 7-19

enabling 7-45

hop count 7-20

instances 7-18

interoperability 7-17

interoperability with PVST+ 7-15

link type 7-20

mapping VLANs to 7-53

master 7-19

message age 7-20

port cost 7-50

port instance cost 7-52

port instance priority 7-52

port priority 7-51

regions 7-18

understanding 7-14

MSTP

M-record 7-15

M-tree 7-15

multicast

See IP multicast

multicast filter profiles

establishing and verifying 15-21

removing 15-23

multicast filters

listing all 15-23

removing all 15-23

multicast groups

CGMP and 15-4

clearing 15-18

configuring 15-7, 15-17

GMRP and 15-9

joining 15-2

leaving 15-2

multicast port filter associations

removing 15-25

multicast routers

clearing ports 15-18

specifying port for 15-16

multiple forwarding paths 7-14

Multiple Instance Spanning Tree Protocol

See MISTP

Multiple Spanning Tree

See MST 7-14

N

names, setting port 4-3, 5-7

native VLANs

802.1Q and 11-4

neighbor devices, displaying 21-5

NetFlow Feature Card

See NFFC/NFFCII

network fault tolerance 7-14

network management

configuring 25-1

See also RMON; SNMP

Network Time Protocol

See NTP

NFFC/NFFC II

IGMP snooping and 15-4

protocol filtering and 19-1

NMS

SPAN, configuring 26-1

nonvolatile random-access memory

See NVRAM

normal mode, switch CLI 2-3

normal-range VLANs

See VLANs

NTP

clearing time zone 36-7

configuring broadcast-client mode 36-3

configuring client mode 36-3

default configuration 36-2

disabling 36-8

disabling broadcast-client mode 36-8

disabling client mode 36-8

disabling daylight saving time adjustment 36-7

overview 36-1

NTP authentication

configuring 36-4

enabling daylight saving time adjustment 36-5

setting time zone 36-5

NTP servers

clearing 36-7

specifying 36-3

NVRAM

ignoring content at boot 29-6

setting configuration modes 31-2

O

organization, document 1-23

out-of-band management interface

See me1 interface

P

PAgP

displaying statistics 6-12

overview 6-5

passwords

recovering lost 28-18

setting enable 28-16

permit lists

See IP permit lists

permitting and verifying 15-22

permitting filter match-action 15-22

physical restrictions 15-19

ping

executing 20-10

overview 20-9

testing connectivity 4-8, 5-9

Port Aggregation Protocol

See PAgP

port cost

EtherChannel 6-8

PVST+ 7-23

port debounce timer

disabling 4-6

displaying 4-6

enabling 4-6

PortFast

configuring 8-2

multiple spanning tree 7-15

PortFast BPDU guard

configuring 8-8

disabling 8-9

port filter associations

assigning and listing 15-24

port IP multicast filtering 15-21

port names

Ethernet 4-3

Fast Ethernet 4-3

Gigabit Ethernet 5-7

setting 4-3, 5-7

port negotiation

configuring 5-8

overview 5-3

port priority

Ethernet 4-4

Fast Ethernet 4-4

Gigabit Ethernet 5-7

ports

assigning to VLAN 10-9

checking capabilities 20-5

checking status 20-2

designating on command line 2-7

dynamic VLAN membership overview 12-1

private VLAN 10-12

reconfirming VMPS 12-9

setting the debounce timer 4-6

speed

10/100 Fast Ethernet 4-4

port security

configuring16-1to 16-12

clearing MAC addresses 16-5

guidelines for 16-3

MAC address notification 16-7

monitoring MAC addresses 16-7

specifying age time 16-5

specifying secure MAC addresses 16-4

specifying security violation action 16-8

specifying shutdown time 16-9

disabling 16-9

enabling 16-4

monitoring 16-10

overview 16-1

restricting MAC address traffic 16-10

port VLAN cost

configuring for PVST+ 7-25

setting EtherChannel 6-9

port VLAN priority

configuring 7-26

power budget

setting 27-20

power management

Catalyst 4006 switch 27-17

Catalyst 4500 series 27-12

Catalyst 4500 series power supplies 27-16

combined mode 27-13

configuring combined mode 27-15

configuring redundant mode 27-14

redundancy 27-17

redundant mode 27-13

power supplies

fixed 27-12

variable 27-12

priority

See port priority

private VLANs

configuration guidelines 10-13

creating 10-14

deleting community VLANs 10-18

deleting isolated VLANs 10-18

deleting mapping 10-18

deleting primary VLANs 10-17

hardware interactions 10-13

isolated VLAN 10-12

overview 10-12

primary VLAN 10-12

software interactions 10-13

privileged mode, switch CLI 2-3

promiscuous ports

communicating 10-12

prompts

configuring 27-2

overview 27-1

protocol filtering

configuring 19-2

default configuration 19-2

overview 19-1

protocol support 19-1

pruning, VTP

See VTP pruning

PVST+

configuring bridge ID priority 7-22

default configuration 7-21

default port cost mode 7-25

disabling 7-26

port cost 7-23

port priority 7-24

port VLAN cost 7-25

Q

QoS

CoS

mapping drop thresholds 14-6

reverting to port default 14-5

transmitting drop thresholds 14-3

values 14-2

default configuration 14-4

disabling 14-7

displaying information 14-7

enabling 14-5

frame classification 14-3

labels 14-2

overview 14-1

reverting to defaults 14-7

traffic flow (figure) 14-2

transmit queue

overview 14-3

quality of service

See QoS

R

RADIUS

configuration guidelines 28-63

overview 28-61, 28-63

RADIUS accounting

accounting events 28-61

creating accounting records 28-61

disabling 28-65

enabling 28-64

overview 28-61

sample configuration 28-66

specifying servers 28-62

suppressing accounting 28-63

updating the server 28-63

RADIUS authentication

configuration guidelines 28-12

default configuration 28-11, 28-63

disabling 28-34

enabling 28-28

overview 28-4

servers, specifying optional attributes 28-32

setting deadtime 28-32

setting retransmit count 28-31

setting timeout 28-30

using a RADIUS server for 802.1x VLAN assignment 28-10

RADIUS keys

clearing 28-34

specifying 28-29

RADIUS servers

clearing 28-33

specifying 28-27, 28-62

rapid-PVST+

configuring 7-27

overview 7-12

rapid Spanning Tree Protocol

See RSTP 7-15

RARP

sc0 interface and 3-10

using 3-10

rcp

downloading configuration files 32-6

uploading configuration files 32-7

related documentation 1-25

remote copy protocol

See RCP

Remote Monitoring

See RMON

Remote Switched Port Analyzer

See RSPAN

removing all multicast filters 15-23

removing multicast filter profiles 15-23

removing multicast port filter associations 15-25

reports

IGMP filering 15-18

reports, system status 27-23

reserved-range VLANs

See VLANs

restrictions

IGMP traffic filtering 15-19

Reverse Address Resolution Protocol

See RARP

RMON

enabling 25-2

overview 25-1

supported MIB objects 25-3

viewing data 25-2

ROM monitor

BOOT environment variables and 29-3

boot process and 29-2

CLI 2-8

configuration register and 29-2

root guard

disabling 7-40

enabling 7-40

multiple spanning tree 7-15

root switch

configuring primary 7-37

configuring secondary 7-38

overview 7-37

See also root guard

router, multicast

See multicast routers

RSPAN

configuration examples26-14to 26-17

configuration guidelines 26-10

configuring from CLI 26-11

configuring multiple RSPAN sessions 26-16

configuring single RSPAN session 26-14

disabling 26-13

hardware requirements 26-8

overview 26-1

session limits 26-4

See also SPAN; VSPAN

RSTP

overview 7-15

port roles 7-16

port states 7-16

running configuration

downloading via rcp 32-6

S

sc0 interface

assigning IP address 3-5

configuring 3-5

DHCP and 3-10

overview 3-1, 3-4

RARP and 3-10

VLAN assignment 10-2

secure ports

disabling unicast flood blocking 16-6

enabling unicast flood blocking 16-6

secure shell encryption

See SSH

security

configuring 18-1

configuring passwords 28-16

IP permit list 18-1

set spantree portcost command 7-24, 7-51

set spantree priority command 7-50

show port mac-address command 20-4

Simple Network Management Protocol

See SNMP

Single Spanning Tree

See SST 7-14, 7-15

sl0 interface

configuring 3-8

console port and 3-8

overview 3-1

SLIP interface

See sl0 interface

SNMP

benefits 24-10

clearing IP addresses associated with access numbers 24-9

clearing SNMP community strings 24-8

configuring 24-6

default configuration 24-5

defining community strings 24-6

ifindex persistence feature 24-4

overview 24-4

setting access numbers for hosts 24-9

setting multiple SNMP community strings 24-7

supported RMON MIB objects 25-3

SNMPv3

configuring 24-13

definitions 24-13

overview 24-10

software images

downloading using rcp 30-6

downloading using TFTP 30-2

supervisor engine, description 1-3

uploading to rcp server 30-9

uploading to TFTP server 30-5

software restraints 15-19

SPAN

configuration guidelines 26-5

configuring 26-6

destination port 26-2

disabling 26-8

egress 26-3

ingress 26-3

NMS and 26-1

overview 26-5

session limits 26-4

sessions 26-2

source ports 26-2

traffic 26-4

spanning tree

dummy MAC addresses and 8-11

EtherChannel port costs 6-8

EtherChannel port-VLAN costs 6-9

spanning tree BackboneFast convergence

See BackboneFast

spanning tree PortFast

See PortFast

Spanning Tree Protocol

See STP

spanning tree UplinkFast

See UplinkFast

speed

setting 10/100 Fast Ethernet port 4-4

SSH 20-7

configuring 20-7

SST 7-14, 7-15

interoperability 7-17

static route, configuring 27-9

status reports, system 27-23

STP

BPDUs and 7-2

forward delay timer 7-41

hello time 7-41

MAC address allocation 7-13

MAC address reduction

enabling 10-5

maximum age timer 7-41

overview 7-2

PortFast, configuring 8-2

port states 7-5

See also MISTP; PVST+

supervisor engine

configuring 3-1

connecting through console port 2-2

default configuration 3-5

default gateways 3-7

me1 interface 3-6

sc0 interface 3-5

sl0 interface 3-8

software description 1-3

software images overview 1-3

startup configuration 29-1

static routes 27-9

uploading software images 30-5, 30-9

switch acceleration 33-1

configuring 33-1, 33-3

switch CLI

accessing 2-2

command aliases 2-7

designating IP addresses 2-8

designating IP aliases 2-8

designating MAC addresses 2-8

designating modules 2-7

designating ports 2-7

designating VLANs 2-7

help 2-4

history substitution 2-5

modes 2-3

operating 2-3

Switched Port Analyzer

See SPAN

switch management interfaces

See me1 interface; sc0 interface; sl0 interface

switch TopN reports

background option 22-2

foreground execution 22-2, 22-3

metric values (table) 22-2

overview 22-1

running 22-3

viewing 22-3

syslog

changing enable state timestamp 34-6

configuring 34-4

configuring daemon 34-7

configuring servers 34-8

default configuration 34-4

displaying configuration 34-9

displaying message log 34-10

facilities (table) 34-2

limiting the number of syslog messages 34-7

message format 34-3

overview 34-1

setting buffer size 34-6

setting logging levels 34-6

setting session settings 34-5

severity levels (table) 34-3

syslog servers

configuring 34-8

system clock, setting 27-4

system contact, setting 27-3

system images

downloading using rcp 30-6

downloading using TFTP 30-2

switch

specifying startup 29-1

uploading 30-9

uploading 30-5

system location, setting 27-3

system message logging

changing enable state timestamp 34-6

configuring 34-4

configuring daemon 34-7

configuring syslog daemon 34-7

default configuration 34-4

displaying configuration 34-9

displaying message log 34-10

facilities (table) 34-2

message format 34-3

overview 34-1

setting buffer size 34-6

setting logging levels 34-6

setting session settings 34-5

severity levels (table) 34-3

system name

clearing 27-3

configuring 27-2

overview 27-1

system prompt

configuring 27-2

overview 27-1

system reset

scheduling 27-10

system status report

generating 27-23

T

TACACS+ accounting

accounting events 28-61

configuration guidelines 28-63

creating accounting records 28-61

disabling 28-65

enabling 28-64

overview 28-61

sample configuration 28-66

suppressing accounting 28-63

updating the server 28-63

TACACS+ authentication

configuration guidelines 28-12

default configuration 28-11

disabling 28-26

enabling 28-22

login attempts allowed 28-24

overview 28-3

sample configuration 28-53

timeout interval 28-24

TACACS+ authorization

authorization events 28-54

command authorization 28-55

configuration guidelines 28-56

default configuration 28-56

disabling 28-58

enabling 28-57

fallback options 28-55

overview 28-54

primary options 28-55

sample configuration 28-59

TACACS+ keys

clearing 28-26

specifying 28-23

Telnet

disconnecting user sessions 20-8

executing 20-6

limiting attempts 28-13

monitoring user sessions 20-8

system message logging settings 34-5

text file configuration mode

setting the configuration mode 31-2

TFTP

downloading software images 30-2

uploading configuration files 32-5

uploading software images 30-5

time, setting 27-4

time-exceeded messages 20-12

timers

configuring forward delay 7-41

configuring hello time 7-41

configuring maximum aging time 7-41

GARP 13-6, 15-14

login 20-6

time zone

clearing 36-7

setting 36-5

TopN reports

See switch TopN reports

traceroute

See IP traceroute

traceroute utility, Layer 2 20-11

traffic filtering

IGMP 15-18

transmit queue overview 14-3

troubleshooting

dynamic port VLAN membership 12-11

system message logging and 34-1

VMPS 12-10, 12-11

trunks

802.1Q restrictions 11-4

allowed VLANs 11-7

autonegotiation 11-2

configuring IEEE 802.1Q 11-6

default configuration 11-5

disabling 11-8

disabling VLAN 1 11-22

encapsulation types

descriptions (table) 11-3

switch support matrix (table) 11-4

modes (table) 11-2

overview 11-1

possible configurations (table) 11-3

sample configurations

Gigabit 11-8

load sharing 11-12

nonnegotiate 11-18

U

UDLD

default configuration 23-3

disabling globally 23-4

disabling on ports 23-4

displaying configuration 23-6

enabling aggressive mode 23-5

enabling globally 23-3

enabling on ports 23-4

hardware requirements 23-2

overview 23-1

software requirements 23-2

specifying message interval 23-5

unclassified frames 14-3

unicast flood blocking

configuring17-1to 17-3

blocking MAC addresses 17-1

guidelines for 17-2

disabling 17-3

disabling on a secure port 16-6

displaying 17-3

enabling 17-2

enabling on a secure port 16-6

UniDirectional Link Detection

See UDLD

UplinkFast

configuring 8-11

dummy MAC addresses 8-11

multiple spanning tree 7-15

overview 8-10

uploading

configuration files 32-5, 32-7

software images 30-5, 30-9

supervisor 30-9

user sessions

disconnecting 20-8

monitoring 20-8

using IGMP traffic filtering 15-19

V

verifying disabled IGMP multicast filtering 15-20

verifying enabled IGMP multicast filtering 15-20

verifying IGMP filter match-action 15-22

verifying multicast filter profiles 15-21

virtual LANs

See VLANs

VLAN-based SPAN

See VSPAN

VLAN filtering

trunk 26-4

VLAN Membership Policy Server

See VMPS

VLANs

allowed on trunk 11-7

assigning switch ports to 10-9

configuration guidelines 10-4

default configuration 10-4

deleting 10-11

designating on command line 2-7

Ethernet 10-5, 10-6

extended range 10-3, 10-4

in-band (sc0) interface assignment 10-2

IP subnetworks and 10-2

mapping 802.1Q to ISL 10-10

mapping conflicts 7-36

normal range 10-3

overview 10-1

protocol filtering and 19-1

reserved range 10-3

sc0 (in-band) interface assignment 10-2

See also auxiliary VLANs; native VLANs; private VLANs

VLANs, private

See private VLANs

VLAN Trunking Protocol

See VTP

VMPS

administering 12-9

clear VMPS server entries 12-9

clear VMPS statistics 12-9

configuration guidelines 12-3

configuring 12-4

configuring dynamic port membership 12-7

configuring port statistics 12-10

configuring VMPS clients 12-7

configuring VMPS servers 12-7

database 12-4

default configuration 12-2

disabling 12-10

downloading VMPS database 12-10

error messages (table) 12-11

example 12-11

for auxiliary VLANs 12-14

monitoring 12-9

overview 12-1

reconfirm dynamic port assignments 12-9

reconfirming membership 12-9

troubleshooting 12-11

troubleshooting dynamic ports 12-11

VMPS clients

configuring 12-7

VMPS database

creating 12-4

downloading 12-10

example configuration file 12-5

global settings 12-4

MAC addresses 12-5

port groups 12-5

VLAN groups 12-5

VLAN port policies 12-5

VMPS servers

configuring 12-7

VSPAN

overview 26-3

VTP

"off" mode, configuring 9-8

configuration guidelines 9-5

configuring client 9-6

configuring server 9-6

configuring transparent mode 9-7

default configuration 9-5

disabling 9-7, 9-8

domains 9-2

monitoring 9-11

overview 9-1

statistics 9-11

VTP advertisements 9-2

VTP modes

client 9-2

off 9-2

server 9-2

transparent 9-2

VTP pruning

configuring 9-9

disabling 9-10

overview 9-3

VTP version 2

disabling 9-9

enabling 9-8

overview 9-3

W

write tech support command 27-23