Table Of Contents

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

index

Numerics

10/100 port speed, setting5-6

802.10 trunks

See IEEE 802.10 trunks

802.1Q

See IEEE 802.1Q

802.1X

See IEEE 802.1X

802.3 RAW-to-FDDI translation38-12

A

Access Control Entry

See ACE

accounting30-59

disabling30-61

enabling30-59

example configuration30-62

RADIUS

accounting events30-56

creating accounting records30-57

example configuration30-62

overview30-56

servers, specifying30-57

suppressing accounting30-58

updating the server30-58

TACACS+

accounting events30-56

configuration guidelines30-59

creating accounting records30-57

example configuration30-62

overview30-56

suppressing accounting30-58

updating the server30-58

ACE

creating15-9

Layer 4

port numbers15-9

protocols15-9

overview15-4

addresses

IP

adding to IP permit list19-2

aliases, creating29-6

automatic assignment3-2

clearing from IP permit list19-4

designating2-8

DHCP and3-8

in-band (sc0) interface and3-5

SLIP (sl0) interface and3-8

MAC

allocation8-10

blocking18-1

designating2-8

filters, Token Ring41-2

learning, FDDI/CDDI38-13

port security and18-1

address-recognized bit, Token Ring40-9

administration

switch29-1, 36-1

administrative groups, EtherChannel7-2

advertisements, VTP10-2

aliases

command, creating29-5

IP

creating29-6

designating2-8

All-Routes Explorers

maximum hops11-11

reduction, Token Ring40-10

APaRT, FDDI/CDDI and38-12

ARP, configuring permanent and static entries29-7

audiencexxiii

authentication25-2

example configuration30-47

Kerberos

configuration guidelines30-11

credentials forwarding, disabling30-35

credentials forwarding, enabling30-34

enabling30-30

overview30-4

realm, defining30-31

servers, specifying30-32

SRVTAB files30-33

local

configuration guidelines30-11

default configuration30-10, 30-59

disabling30-15

enable password, setting30-15

enabling30-14

overview30-2

password recovery30-16

login

enabling30-12, 30-13

overview30-2

NTP37-4

overview30-2, 30-56

RADIUS

configuration guidelines30-11

deadtime, setting30-27

default configuration30-10, 30-59

disabling30-28

enabling30-24

key, clearing30-28

key, specifying30-24

overview30-4

retransmit count, setting30-26

servers, clearing30-27

servers, specifying30-23

timeout, setting30-25

TACACS+

configuration guidelines30-11

default configuration30-10, 30-59

disabling30-22

enabling30-18

example configuration30-47

key, specifying30-19

login attempts allowed30-20

overview30-3

timeout interval30-19

authoritative SNMP engine25-2

authorization

configuration guidelines30-51

default configuration30-51

disabling authorization30-53

enabling authorization30-52

example configuration30-54

overview30-49

TACACS+

authorization configuration guidelines30-51

authorization events30-49

authorization primary options and fallback options30-49

command authorization30-50

example configuration30-54

overview30-49

automatic packet recognition and translation

See APaRT

autonegotiation

duplex5-7

speed5-6

trunks12-2

auxiliary VLANs

configuring11-7

dynamic port VLAN membership13-14

B

BackboneFast

disabling9-15

displaying statistics9-15

enabling9-14

overview9-12

banner

See login banner

blocking state, STP8-6

BOOT environment variable

clearing31-9, 31-12

default31-5

displaying31-12

overview31-3, 31-4

setting31-9, 31-10

boot field

overview31-2

setting31-5

booting

configuration register, setting value31-8

ignoring NVRAM31-8

BPDU guard

disabling9-8

enabling9-6

note9-6

BPDUs, overview8-3

bridge forward delay, STP8-20

bridge hello time, STP8-20

bridge ID, MAC addresses and8-10

bridge maximum aging time, STP8-21

bridge priority, STP8-19, 8-21

bridge protocol data units

See BPDUs

broadcast suppression

bandwidth-based17-2

disabling17-5

enabling17-3

hardware17-2

overview17-1

packet-based17-3

software17-3

C

CAM, FDDI/CDDI38-12

Catalyst 5000 family, overview (table)1-1

Catalyst 5500 series, redundant supervisor in4-1

CDDI

APaRT, configuring38-12

CAM38-12

checking connectivity38-14

default configuration38-2, 39-3

example configurations

IEEE 802.10 trunking39-4

multiswitch without trunking38-16

single switch38-15

ICMP unreachable messages38-6

IEEE 802.10 trunks

configuration guidelines39-3

configuring39-4

overview39-1

VTP and39-2

IP fragmentation, configuring38-6

IPX translations38-10

LER

alarm, setting38-7

cutoff, setting38-8

MAC address learning, configuring38-13

native VLAN, setting38-5

CDDI (continued)

neighbor notification frames38-8

overview38-1

PHY line state38-9

port name, specifying38-4

port priority, setting38-4

TRequest parameter38-9

TRT38-9

user-data string, specifying38-3

CDP

default configuration22-2

disabling

globally22-2

on ports22-3

displaying neighbor information22-5

enabling

globally22-2

on ports22-3

holdtime, setting22-4

message interval, setting22-4

overview22-1

CGMP

disabling16-13

enabling16-9

joining multicast group16-3

leave processing

disabling16-13

enabling16-10

leaving multicast group16-3, 16-6

multicast group

clearing16-31

configuring16-12, 16-16, 16-30

multicast router ports

clearing16-31

specifying16-30

statistics, viewing16-12

channel modes, EtherChannel (table)7-3

checksum, verifying Flash file32-11

CIDR, static routes and29-8

Cisco Discovery Protocol

See CDP

Cisco Group Management Protocol

See CGMP

CiscoWorks200025-13

classified frames15-3

Classless InterDomain Routing

See CIDR

clear boot system flash command31-9

clearing the configuration34-10

CLI

ROM monitor2-9

switch

accessing2-2

command aliases2-7

help2-4

history substitution2-6

IP addresses, designating2-8

IP aliases, designating2-8

MAC addresses, designating2-8

modules, designating2-7

operating2-3

ports, designating2-7

VLANs, designating2-7

clock, setting29-4

command aliases2-7

command aliases, creating29-5

community strings

defining25-6

overview25-4

CONFIG_FILE variable, recurrence, setting31-7

configuration, clearing34-10

configuration files

creating34-2

downloading

RCP34-8

TFTP34-5

via RCP34-8

via TFTP34-5

configuration files (continued)

guidelines for creating34-1

running configuration

downloading via RCP34-8

downloading via TFTP34-5

uploading via RCP34-9

uploading via TFTP34-6

uploading

preparation34-6, 34-9

to RCP server34-9

to TFTP server34-6

configuration guidelines

RADIUS accounting30-59

TACACS+ accounting30-59

configuration loss thresholds, Token Ring40-10

configuration register

boot field, setting31-5

CONFIG_FILE recurrence, setting31-7

default setting31-5

ignoring NVRAM at boot31-8

overview31-2

ROM monitor console port baud rate31-6

setting31-8

console port

downloading software images

example PC download33-30

example UNIX download33-31

PC procedure33-27

preparation33-26

UNIX procedure33-28

establishing a connection2-2

redundant supervisor and4-2

ROM monitor baud rate31-6

SLIP and3-7

system message logging settings35-5

user sessions

disconnecting21-8

monitoring21-7

contact, setting29-3

content-addressable memory

See CAM

conventions, documentationxxviii

Copper Distributed Data Interface

See CDDI

COPS

communications parameters15-18

domain name

configuring15-17

deleting15-18

PDP server configuration

configuring15-16

deleting15-17

QoS policy source15-15

roles

configuring15-15

deleting15-16

selecting locally configured QoS policy15-15

CoS

ACE and15-9

drop thresholds

mapping15-11

transmit15-5

Layer 4 port numbers15-9

Layer 4 protocols15-9

MAC/VLAN and15-4, 15-8

port and

configuring values15-7

overview15-3

reverting to default15-8

values15-3

CWSI Campus25-13

D

database

VMPS

downloading13-8

example configuration file13-9

data integrity25-2

date, setting29-4

daylight saving time

disabling adjustment37-7

enabling adjustment37-5

Dedicated Token Ring

See DTR

default configuration

CDDI38-2, 39-3

CDP22-2

DNS36-1

dynamic port membership13-2

errdisable timeout5-10

EtherChannel7-4

Ethernet5-4

Fast EtherChannel7-4

Fast Ethernet5-4

Fast Ethernet trunks12-5

FDDI38-2, 39-3

Gigabit EtherChannel7-4

Gigabit Ethernet6-3

Gigabit Ethernet trunks12-5

GMRP16-23

IP permit list19-2

Kerberos authentication30-10

local authentication30-10

NTP37-2

port enable state5-9

protocol filtering20-2

QoS15-6

RADIUS accounting30-59

RADIUS authentication30-10

SNMP25-5

spanning tree8-12

supervisor engine3-4

switch boot configuration31-5

system message logging35-4

TACACS+ accounting30-59

TACACS+ authentication30-10

Token Ring40-4

UDLD24-3

VLANs11-6

VMPS13-2

VTP10-5

default gateway, configuring3-5

DHCP

in-band (sc0) interface and3-8

releasing lease3-9

renewing lease3-9

disabled state, STP8-10

DISL

See DTP

DNS

default configuration36-1

disabling36-3

domain name

clearing36-3

setting36-2

enabling36-2

overview36-1

server

clearing36-3

specifying36-2

setting up36-2

system name and29-1

system prompt and29-1

documentation, relatedxxviii

document conventionsxxviii

document organizationxxv

domain name

clearing36-3

setting36-2

Domain Name System

See DNS

downloading

configuration files

RCP34-8

TFTP34-5

via RCP34-8

via TFTP34-5

software images

example, multiple module33-10, 33-11, 33-23, 33-24

example, single module33-9, 33-10, 33-21, 33-22

example, supervisor33-6, 33-8, 33-18, 33-19

overview33-2, 33-14

preparation33-3, 33-15

supervisor33-3, 33-15

switching module33-4, 33-16

drop thresholds

CoS mapping15-11

transmit queue15-4, 15-11

DTP

non-Cisco devices and12-4

overview12-2

DTR40-4

duplex

Fast Ethernet5-7

Token Ring40-7

dynamic port VLAN membership

configuring13-6

default configuration13-2

example13-11

for auxiliary VLANs13-14

overview13-1

reconfirming13-7

troubleshooting13-9

Dynamic Trunking Protocol

See DTP

E

early token release, setting40-8

enable mode, switch CLI2-3

enable password

recovering lost30-16

setting30-15

encapsulation type descriptions, trunks (table)12-3

environment variables, BOOT

clearing31-9

displaying31-12

overview31-3, 31-4

setting31-9, 31-10

errdisable timeout, configuring5-10

error messages

system message logging (syslog)35-1

VMPS (table)13-8

EtherChannel

administrative groups

configuring7-6

overview7-2

channel modes (table)7-3

configuration example7-12

configuration guidelines7-4

configuring7-5

default configuration7-4

EtherChannel IDs7-2

example configuration7-14, 12-12, 12-14

frame distribution7-3

hardware support7-4

modes7-3

overview7-1

PAgP and7-2

PAgP statistics, displaying7-11

port costs7-7

port-VLAN costs7-8

statistics, displaying7-10

Ethernet

802.3 RAW-to-FDDI translation38-12

autonegotiation, speed5-6

checking connectivity5-12

default configuration5-4

FDDI 802.2-to-Ethernet translation38-11

FDDI SNAP-to-Ethernet translation38-10

overview5-1

port duplex, setting5-7

port name, setting5-5

port priority, setting5-6

port speed, setting5-6

protocol filtering

See protocol filtering

examples, conventionsxxix

F

Fast EtherChannel

See EtherChannel

Fast Ethernet

autonegotiation, speed5-6

checking connectivity5-12

default configuration5-4

EtherChannel

See EtherChannel

flow control

command keywords (table)5-3

configuring5-8

overview5-2

overview5-1

port duplex, setting5-7

port name, setting5-5

port negotiation

configuring5-8

overview5-3

possible port states (table)5-3

port priority, setting5-6

port speed, setting5-6

protocol filtering

See protocol filtering

trunks

See trunks

FDDI

802.2-to-Ethernet translation38-11

802.3 RAW-to-FDDI translation38-12

APaRT, configuring38-12

CAM38-12

checking connectivity38-14

default configuration38-2, 39-3

example configurations

IEEE 802.10 trunking39-4

multiswitch without trunking38-16

single switch38-15

ICMP unreachable messages38-6

IEEE 802.10 trunks

configuration guidelines39-3

configuring39-4

example configuration39-4

overview39-1

VTP and39-2

IP fragmentation, configuring38-6

IPX translations38-10

LER

alarm, setting38-7

cutoff, setting38-8

MAC address learning, configuring38-13

native VLAN, setting38-5

neighbor notification frames38-8

overview38-1

PHY line state38-9

port name, specifying38-4

port priority, setting38-4

SNAP-to-Ethernet translation38-10

TRequest parameter38-9

TRT38-9

user-data string, specifying38-3

Fiber Distributed Data Interface

See FDDI

fiber-optic, detecting unidirectional links24-1

filters

protocol

See protocol filtering

Token Ring

clearing41-4

MAC address filter, adding41-2

overview41-1

protocol filter, adding41-3

Flash file system

checksum, verifying32-11

copying files32-5

default device, setting32-2

deleting files32-9

formatting device32-11

listing files32-3, 32-4

overview32-1

restoring deleted files32-10

setting configuration modes32-2

verifying file checksum32-11

Flash synchronization, examples4-12

flow control

Fast Ethernet

configuring5-8

overview5-2

Gigabit Ethernet

configuring6-6

overview6-1

keywords (table)5-3

formatting, Flash device32-11

forward delay timer8-4

forwarding state, STP8-9

fragmentation, IP38-6

frame classification15-3

frame-copied bit, Token Ring40-9

frame distribution, EtherChannel7-3

frame priority, Token Ring40-6

G

GARP Multicast Registration Protocol

See GMRP

GARP timers14-6, 16-27

Gigabit EtherChannel

See EtherChannel

Gigabit Ethernet

checking connectivity6-7

default configuration6-3

flow control

configuring6-6

overview6-1

jumbo frames, configuring5-11

port name, setting6-4

port negotiation

configuring6-6

overview6-2

possible link states (table)6-3

port priority, setting6-5

protocol filtering

See protocol filtering

trunks

See trunks

GMRP

default configuration16-23

disabling

globally16-29

per-port16-24

enabling

globally16-23

per-port16-24

forward-all option

disabling16-25

enabling16-25

hardware and software requirements16-22

overview16-8

GMRP (continued)

registration

fixed16-26

forbidden16-27

normal16-26

statistics

clearing16-29

viewing16-28

timers16-27

group25-2

GVRP

disabling

globally14-8

on 802.1Q ports14-8

enabling

globally14-3

on 802.1Q ports14-3

registration

fixed14-5

forbidden14-5

normal14-5

statistics

clearing14-8

viewing14-7

timers14-6

H

Hello timer8-4

history, switch CLI2-6

hops, All-Routes Explorers and11-11

I

ICMP (ping)

executing21-10

overview21-9

time exceeded messages21-12

traceroute and21-12

unreachable messages, FDDI/CDDI and38-6

IEEE 802.10 trunks

configuration guidelines39-3

configuring39-4

overview39-1

VTP and39-2

IEEE 802.1Q

configuring12-7

example configuration12-14, 12-24

mapping VLANs to ISL11-12

overview12-1

restrictions12-5

spanning tree and8-11

supported switches (table)12-4

IEEE 802.1X authentication

overview30-7

parameters30-9

terminology30-8

traffic control30-9

IGMP

configuration guidelines16-9, 16-14

disabling16-18

enabling16-14

joining multicast group16-3, 16-6

leave processing

disabling16-18

enabling16-15

leaving multicast group16-3, 16-6

statistics, viewing16-17

images

See software images

in-band (sc0) interface

configuring3-5

DHCP and3-8

IP address, assigning3-5

overview3-1, 3-4

RARP and3-8

VLAN assignment11-2

inferior BPDU, BackboneFast and9-12

interfaces

in-band (sc0)3-4, 3-5, 11-2

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

SLIP (sl0)3-4, 3-7

Internet Group Management Protocol

See IGMP

IP

CIDR and29-8

default gateway, configuring3-5

static routes29-8

subnetworks, VLANs and11-2

IP addresses

adding to IP permit list19-2

aliases, creating29-6

automatic assignment3-2

clearing from IP permit list19-4

designating2-8

DHCP and3-8

in-band (sc0) interface and3-5

RARP and3-8

setting on supervisor3-5

SLIP (sl0) interface and3-8

IP aliases

creating29-6

designating2-8

IP fragmentation, FDDI/CDDI and38-6

IP multicast

CGMP and16-8

GMRP and16-22

group entries16-30

groups

joining16-6

IGMP snooping and16-13

overview16-1

router ports and16-30

IP permit list

addresses, adding19-2

clearing entries19-4

default configuration19-2

disabling19-4

enabling19-3

overview19-1

IP traceroute

executing21-13

overview21-12

IPX

802.3 RAW-to-FDDI translation38-12

FDDI/CDDI translations38-10

FDDI 802.2-to-Ethernet translation38-11

FDDI SNAP-to-Ethernet translation38-10

ISL

configuring12-6

example configuration12-11, 12-12

mapping 802.1Q VLANs11-12

overview12-1

supported switches (table)12-4

J

jumbo frames, configuring5-11

K

Kerberos

configuration guidelines30-11

credentials forwarding, disabling30-35

credentials forwarding, enabling30-34

enabling30-30

overview30-4

realm, defining30-31

servers, specifying30-32

SRVTAB files, copying30-33

terminology30-5

Kermit

example downloads

PC procedure33-30

UNIX procedure33-31

Kermit (continued)

PC software download procedure33-27

preparing to download software images33-26

UNIX software download procedure33-28

key

RADIUS

clearing30-28

specifying30-24

TACACS+

clearing30-22

specifying30-19

L

l2trace21-11

layer 2 traceroute utility21-11

Layer 4

port numbers15-9

protocols15-9

learning state, STP8-8

leave processing, CGMP

disabling16-13

enabling16-10

leave processing, IGMP

disabling16-18

enabling16-15

LER

alarm, setting38-7

cutoff, setting38-8

link error rate

See LER

listening state, STP8-7

load sharing, trunking and12-18

local authentication

configuration guidelines30-11

default configuration30-10, 30-59

disabling30-15

enable password, setting30-15

enabling30-14

overview30-2

password recovery30-16

location, setting29-3

login authentication

enabling30-12, 30-13

overview30-2

login banner

clearing29-5

configuring29-4

overview29-4

login password

recovering lost30-16

setting30-14

M

MAC addresses

allocation8-10

blocking18-1

designating2-8

filters, Token Ring41-2

learning, FDDI/CDDI38-13

port security and18-1

mapping VLANs11-12

maximum age timer8-4

me1 (out-of-band management) interface, overview3-1

message-of-the-day

See login banner

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

MIBs

Network Analysis Module and26-3

overview25-4

RMON/RMON2 support (table)26-3

minimal downtime software upgrade4-8

modes, switch CLI2-3

modules

CDDI, configuring38-1

checking status21-1

configuring

modules (continued)

CDDI38-1

Ethernet5-1, 7-1

Fast Ethernet5-1, 7-1

FDDI38-1

Gigabit Ethernet6-1, 7-1

Network Analysis Module28-1

supervisor engine3-1

Token Ring40-1

designating on command-line2-7

downloading software images33-4, 33-16

Ethernet, configuring5-1, 7-1, 20-1

Fast Ethernet, configuring5-1, 7-1, 20-1

FDDI, configuring38-1

Gigabit Ethernet, configuring6-1, 7-1

Network Analysis Module, configuring28-1

supervisor engine, configuring3-1

Token Ring, configuring40-1

MOTD

See login banner

multicast

CGMP and16-8

GMRP and16-22

groups

clearing16-31

configuring16-12, 16-16, 16-30

joining16-3

leaving16-3, 16-6

IGMP snooping and16-13

overview16-1

router

clearing ports16-31

specifying port for16-30

suppression

bandwidth-based17-2

disabling17-5

enabling17-3

hardware17-2

overview17-1

packet-based17-3

software17-3

N

name, setting port5-5, 6-4

native VLAN

802.1Q and12-5

CDDI and38-5

FDDI and38-5

NDE, Network Analysis Module and28-3

neighbor devices, displaying22-5

neighbor notification frames, FDDI/CDDI and38-8

NetFlow Data Export

See NDE

NetFlow Monitor Option28-3

Network Analysis Module

configuring28-2

default configuration28-2

NDE28-3

NetFlow Monitor Option28-3

other commands28-6

overview28-1

SPAN28-3

VLAN Agents Option28-5

VLAN Monitor Option28-4

network management, configuring25-1, 26-1

Network Time Protocol

See NTP

NFFC/NFFC II

IGMP snooping and16-9, 16-14

protocol filtering and20-1

normal mode, switch CLI2-3

notification host25-2

NTP

authentication37-4

broadcast-client mode

configuring37-3

disabling37-8

NTP (continued)

client mode

configuring37-3

disabling37-8

daylight saving time adjustment

disabling37-7

enabling