Catalyst 4500 Series Switch Cisco IOS Command Reference, 12.2(37)SG
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Index

Table Of Contents

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

Index

Symbols

$ matches the end of a string     1-7

( ) in commands     1-11

* matches 0 or more sequences of a pattern     1-7

+ matches 1 or more sequences of a pattern     1-7

. matches any single character     1-7

? command     1-1

? matches 0 or 1 occurrence of a pattern     1-7

^ matches the beginning of a string     1-7

_ matches a comma (,), left brace ({), left parenthesis     1-7

"     1-10

Numerics

10-Gigabit Ethernet uplink

selecting     2-127

showing the mode     2-357

802.1Q trunk ports and native VLANs     2-648

802.1Q tunnel ports

configuring     2-597

802.1S Multiple Spanning Tree

see MST

802.1X

configuring for multiple hosts     2-100

configuring for single host     2-100

configuring multiple domains     2-100

disabling port control     2-93

enabling port control     2-93

802.1X Critical Authentication

disabling on a port     2-94

disabling on a VLAN     2-97

EAPOL

disabling send success packets     2-95

enabling send success packets     2-95

enabling on a port     2-94

enabling on a VLAN     2-97

returning delay time to default setting     2-96

setting delay time on a port     2-96

802.1X Port Based Authentication

debugging 802.1X Port Based Authentication     2-57

displaying port based authentication     2-342

enabling accounting for authentication sessions     2-3

enabling authentication on the system     2-110

enabling guest VLAN     2-98

enabling guest VLAN supplicant     2-91, 2-99

enabling manual control of auth state     2-106

enabling periodic re-authentication of the client     2-109

initializing re-authentication of dot1x ports     2-108

initializing state machines     2-102

receive session termination message upon reboot     2-4

setting maximum number for EAP requests     2-105

setting the reauthentication timer     2-111

A

abbreviating commands

context-sensitive help     1-1

Access Gateway Module

connecting to a module     2-12

connecting to a remote module     2-299

connecting to a specific remote module     2-309

access-group

displaying mac interface     2-450

show mode interface     2-313

access groups

IP     2-5

access lists

clearing an access template     2-28

defining ARP     2-11

displaying ARP information     2-316

See also ACLs, MAC ACLs, and VACLs

access maps

applying with VLAN filter     2-649

ACLs

access-group mode     2-5

balancing hardware regions     2-8

determining ACL hardware programming     2-6

displaying mac access-group interface     2-450

using ACL naming conventions for MAC ACLs     2-211

action clause

specifying drop or forward action in a VACL     2-9

addresses, configuring a maximum     2-268

adjacency

debugging the adjacency table     2-51

disabling the debug facility     2-51

displaying information about the adjacency table     2-314

displaying IPC table entries     2-51

aggregate policer

displaying information     2-498

aging time

displaying MAC address aging time     2-453

MAC address table     2-214

alarms

displaying operational status     2-346

alternation

description     1-10

anchoring

description     1-10

ARP

access list, displaying detailed information     2-316

defining access-lists     2-11

ARP inspection

enforce certain types of checking     2-144

ARP packet

deny based on DHCP bindings     2-87

permit based on DHCP bindings     2-254

authentication

setting username     2-639

using an MD5-type encryption method     2-639

verifying MD5 signature     2-640

verifying the checksum for Flash memory     2-640

auth fail VLAN

enable on a port     2-92

set max number of attempts     2-91

authorization state

enabling manual control     2-106

authorization state of a controlled port     2-106

automatic installation

displaying status     2-317

automatic medium-dependent interface crossover

See Auto-MDIX

Auto-MDIX

disabling     2-238

enabling     2-238

auto-negotiate interface speed

example     2-586

auto-QoS

configuring for VoIP     2-13

displaying configuration     2-318

B

baby giants

displaying the system MTU setting     2-524

setting the maximum Layer 2 payload size     2-622

BackboneFast

displaying debugging messages     2-76

displaying spanning tree status     2-514

enabling debugging     2-76

bindings

store for DHCP snooping     2-154

BOOT environment variable

displaying information     2-322

bootflash

displaying information     2-320

BPDUs

debugging spanning tree activities     2-74

bridge protocol data units

See BPDUs

broadcast suppression level

configuring     2-587, 2-589

enabling     2-587, 2-589

C

cable diagnostics

TDR

displaying test results     2-323

testing conditions of copper cables     2-623

Catalyst 4507R     2-264

CDP

configuring tunneling encapsulation rate     2-201

displaying

neighbor information     2-325

enabling protocol tunneling for     2-197

set drop threshold for     2-199

CEF

displaying next-hop information     2-391

displaying VLAN configuration information     2-391

cisco-desktop

macro apply     2-221

Cisco Express Forwarding

See CEF

cisco-phone

macro apply     2-223

cisco-router

macro apply     2-225

cisco-switch

macro apply     2-227

clear commands

clearing Gigabit Ethernet interfaces     2-26

clearing IGMP group cache entries     2-33

clearing interface counters     2-23

clearing IP access lists     2-28, 2-29

clearing IP ARP inspection statistics VLAN     2-30

clearing IP DHCP snooping database     2-31

clearing IP DHCP snooping database statistics     2-32

clearing MFIB counters and routes     2-36

clearing MFIB fastdrop entries     2-37

clearing PAgP channel information     2-42

clearing QoS aggregate counters     2-45

clearing VLAN interfaces     2-27

CLI string search

anchoring     1-10

expressions     1-7

filtering     1-6

multiple-character patterns     1-8

multipliers     1-9

parentheses for recall     1-11

searching outputs     1-6

single-character patterns     1-7

using     1-6

command modes

accessing privileged EXEC mode     1-5

exiting     1-5

understanding user EXEC and configuration modes     1-5

condition interface

debugging interface-related activities     2-53

condition vlan

debugging VLAN output     2-56

configuration, saving     1-11

configuring

root as secondary     2-570

configuring a SPAN session to monitor

limit SPAN source traffic     2-243

configuring forward delay     2-566

configuring root as primary     2-570

CoPP

attaching

policy map to control plane     2-307

displaying

policy-map class information     2-476

entering configuration mode     2-49

removing

service policy from control plane     2-307

CoS

assigning to Layer 2 protocol packets     2-198

CoS QoS default

defining value on an interface     2-283

Cost of Service

See QoS CoS

counters

clearing interface counters     2-23

D

DAI

clear statistics     2-30

DBL

displaying qos dbl     2-499

enabling DBL globally on the switch     2-284

debug commands

debugging backup events     2-52

debugging DHCP snooping events     2-62

debugging DHCP snooping messages     2-63

debugging EtherChannel/PAgP/shim     2-58

debugging IPC activity     2-61

debugging IP DHCP snooping security messages     2-64

debugging NVRAM activities     2-67

debugging PAgP activities     2-68

debugging port manager activities     2-71

debugging spanning tree activities     2-74

debugging spanning tree backbonefast     2-76

debugging spanning tree UplinkFast     2-79

debugging supervisor redundancy     2-73

debugging VLAN manager activities     2-80

displaying monitor activity     2-66

displaying the adjacency table     2-51

enabling debug dot1x     2-57

enabling debugging messages for ISL VLAN IDs     2-82

enabling debugging messages for VTP     2-83

enabling debugging of UDLD activity     2-84

enabling switch shim debugging     2-77

enabling VLAN manager file system error tests     2-81

limiting debugging output for VLANs     2-56

limiting interface debugging output     2-53

limiting output for debugging standby state changes     2-54

shortcut to the debug condition interface     2-60

debugging

activity monitoring     2-66

DHCP snooping events     2-62

DHCP snooping packets     2-63

IPC activities     2-61

IP DHCP snooping security packets     2-64

NVRAM activities     2-67

PAgP activities     2-68

PAgP shim     2-58

PM activities     2-71

spanning tree BackboneFast events     2-76

spanning tree switch shim     2-77

spanning tree UplinkFast events     2-79

VLAN manager activities     2-80

VLAN manager IOS file system error tests     2-81

VTP protocol debug messages     2-83

debug spanning tree switch     2-77

debug sw-vlan vtp     2-83

default CoS value     2-283

default form of a command, using     1-6

defining egress DSCP-to-CoS mapping     2-289

DHCP

clearing database statistics     2-32

DHCP bindings

configuring bindings     2-153

deny ARP packet based on matches     2-87

permit ARP packet based on matches     2-254

DHCP snooping

clearing database     2-31

displaying binding table     2-393

displaying configuration information     2-392

displaying status of DHCP database     2-396

displaying status of error detection     2-349

enabling DHCP globally     2-152

enabling IP source guard     2-185

enabling on a VLAN     2-160

enabling option 82     2-156, 2-157

enabling rate limiting on an interface     2-158

enabling trust on an interface     2-159

establishing binding configuration     2-153

renew binding database     2-301

store generated bindings     2-154

diagnostic test

bootup packet memory     2-336

displaying attributes     2-330

display module-based results     2-332

running     2-90

show results for TDR     2-323

testing conditions of copper cables     2-623

displaying error disable recovery     2-350

displaying inline power status     2-490

displaying monitoring activity     2-66

displaying SEEPROM information

GBIC     2-358

displaying SPAN session information     2-523, 2-588

document conventions     xviii

document organization     xvii

DoS

CoPP

attaching policy map to control plane     2-307

displaying policy-map class information     2-476

entering configuration mode     2-49

removing service policy from control plane     2-307

entering

CoPP configuration mode     2-49

DOS attack

protecting system's resources     2-139

drop threshold, Layer 2 protocol tunneling     2-199

DSCP rewrite for IP packets

enable     2-292

dual-capable port

selecting a connector     2-240

duplex mode

configuring autonegotiation on an interface     2-113

configuring full duplex on an interface     2-113

configuring half duplex on an interface     2-113

dynamic ARP inspection

preventing     2-139

Dynamic Buffer Limiting

See DBL

Dynamic Host Configuration Protocol

See DHCP

E

EAP

restarting authentication process     2-105

EIGRP (Enhanced IGRP)

filters

routing updates, preventing     2-251

enabling

debugging for UDLD     2-84

voice VLANs     2-590

environmental

alarms     2-346

displaying information     2-346

status     2-346

temperature     2-346

erase a file     2-115

error disable detection

enabling error disable detection     2-118

error-disabled state

displaying     2-377

error disable recovery

configuring recovery mechanism variables     2-120

displaying recovery timer information     2-350

enabling ARP inspection timeout     2-120

specifying recovery cause     2-120

EtherChannel

assigning interfaces to EtherChannel groups     2-17

debugging EtherChannel     2-58

debugging PAgP shim     2-58

debugging spanning tree activities     2-74

displaying information for a channel     2-351

removing interfaces from EtherChannel groups     2-17

EtherChannel guard

detecting STP misconfiguration     2-557

Explicit Host Tracking

clearing the database     2-35

enabling per-VLAN     2-172

expressions

matching multiple expression occurrences     1-9

multiple-character patterns     1-8

multiplying pattern occurrence     1-11

single-character patterns     1-7

Extensible Authentication Protocol

See EAP

F

field replaceable unit (FRU)

displaying status information     2-346

filters

EIGRP

routing updates, preventing     2-251

Flash memory file system

displaying file system information     2-320

verifying checksum     2-640

flow control

configuring a gigabit interface for pause frames     2-123

displaying per-interface statistics for flow control     2-355

G

GBIC

displaying SEEPROM information     2-358

Gigabit Ethernet interface

clearing the hardware logic     2-26

Gigabit Ethernet uplink

selecting     2-127

showing the mode     2-357

global configuration mode

using     1-5

H

hardware module

resetting a module by toggling the power     2-126

hardware uplink

selecting the mode     2-127

showing the mode     2-357

helper addresses, IP     2-410

hot standby protocol

debugging     2-54

disabling debugging     2-54

limiting output     2-54

I

IDPROMs

displaying SEEPROM information

chassis     2-358

clock module     2-358

fan trays     2-358

module     2-358

mux buffer     2-358

power supplies     2-358

supervisor engine     2-358

ifIndex persistence

clearing SNMP ifIndex commands     2-545

compress SNMP ifIndex table format     2-550

disabling globally     2-549

disabling on an interface     2-546

enabling globally     2-549

enabling on an interface     2-546

IGMP

applying filters for host joining on Layer 2 interfaces     2-162

clearing IGMP group cache entries     2-33

configuring frequency for IGMP host-query messages     2-165

creating an IGMP profile     2-164

displaying IGMP interface configuration information     2-398

displaying profiles     2-400

setting maximum group numbers     2-163

IGMP profiles

displaying     2-400

IGMP snooping

clearing the EHT database     2-35

configuring a Layer 2 interface as a group member     2-176

configuring a Layer 2 interface as a multicast router     2-174

configuring a static VLAN interface     2-176

displaying multicast information     2-407

displaying VLAN information     2-401, 2-405, 2-408

enabling     2-167

enabling immediate-leave processing     2-173

enabling on a VLAN     2-171

enabling per-VLAN Explicit Host Tracking     2-172

informs

enabling     2-547

inline power

displaying inline power status     2-490

In Service Software Upgrade

See ISSU

inspection log

clearing log buffer     2-29

interface

displaying suppressed multicast bytes     2-371

interface capabilities

displaying     2-367

interface configuration mode

summary     1-5

interface link

display cable disconnect time     2-374

interfaces

configuring dot1q tunnel ports     2-597

creating an interface-range macro     2-86

debugging output of interface related activities     2-53

displaying description     2-373

displaying error-disabled state     2-377

displaying information when tunneling is enabled     2-444

displaying status     2-373

displaying traffic for a specific interface     2-364

entering interface configuration mode     2-131

executing a command on multiple ports in a range     2-134

selecting an interface to configure     2-131

setting a CoS value for Layer 2 packets     2-198

setting drop threshold for Layer 2 packets     2-199

setting the interface type     2-597

interface speed

configuring interface speed     2-584

interface transceiver

displaying diagnostic data     2-380

internal VLAN allocation

configuring     2-650

default setting     2-650

displaying allocation information     2-536

Internet Group Management Protocol

See IGMP

IP ARP

applying ARP ACL to VLAN     2-137

clearing inspection statistics     2-30

clearing status of log buffer     2-29

controlling packet logging     2-147

enabling dynamic inspection     2-146

limit rate of incoming requests     2-139

set per-port config trust state     2-143

showing status of dynamic ARP inspection     2-387

showing status of log buffer     2-390

IPC

debugging IPC activities     2-61

IP DHCP Snooping

See DHCP snooping

IP header validation

disabling     2-184

enabling     2-184

IP interfaces

displaying usability status     2-409

IP multicast

displaying multicast routing table information     2-415

IP packets

enable DSCP rewrite     2-292

IP phone and standard desktop

enabling Cisco-recommended features     2-223

IP Port Security

enabling     2-185

IP source binding

adding or deleting     2-181

displaying bindingstagging     2-420

IP source guard

debugging messages     2-64

displaying configuration and filters     2-421

enabling on DHCP snooping     2-185

ISSU

canceling process     2-187

configuring rollback timer     2-196

displaying capability     2-425

displaying client information     2-427

displaying compatibility matrix     2-429

displaying config-sync failure information     2-433

displaying endpoint information     2-435

displaying entities     2-436

displaying FSM session     2-437

displaying messages     2-438

displaying negotiated     2-439

displaying rollback-timer     2-440

displaying session information     2-441

displaying software version     2-442

displaying state     2-442

forcing switchover to standby supervisor engine     2-195

loading new image     2-190

mismatched command listing     2-192

starting process     2-194

stopping rollback timer     2-188

J

Jumbo frames

enabling jumbo frames     2-247

L

LACP

deselecting channeling protocol     2-19

enabling LACP on an interface     2-19

setting channeling protocol     2-19

Layer 2

displaying ACL configuration     2-450

Layer 2 interface type

specifying a nontrunking, nontagged single VLAN interface     2-597

specifying a trunking VLAN interface     2-597

Layer 2 protocol ports

displaying     2-444

Layer 2 protocol tunneling error recovery     2-201

Layer 2 switching

enabling voice VLANs     2-590

modifying switching characteristics     2-590

Layer 2 traceroute

IP addresses     2-628

Layer 3 switching

displaying information about an adjacency table     2-314

displaying port status     2-378

displaying status of native VLAN tagging     2-378

link-status event messages

disabling

globally     2-205, 2-208

on an interface     2-206, 2-209

enabling

globally     2-205, 2-208

on an interface     2-206, 2-209

log buffer

show status     2-390

logging

controlling IP ARP packets     2-147

M

MAC Access Control Lists

See MAC ACLs

MAC ACLs

defining extended MAC access list     2-211

displaying MAC ACL information     2-533

naming an ACL     2-211

MAC address filtering

configuring     2-220

disabling     2-220

enabling     2-220

MAC address table

adding static entries     2-232

clearing dynamic entries     2-39, 2-41

configuring aging time     2-214

displaying dynamic table entry information     2-455

displaying entry count     2-454

displaying information     2-451

displaying interface-based information     2-457

displaying multicast information     2-459

displaying notification information     2-461

displaying protocol-based information     2-463

displaying static table entry information     2-465

displaying the MAC address aging time     2-453

displaying VLAN-based information     2-467

enabling authentication bypass     2-103

enabling notifications     2-218

learning in the protocol buckets     2-215

removing static entries     2-232

MAC address tables

adding static entries     2-220

deleting secure or specific addresses     2-43

disabling IGMP snooping on static MAC addresses     2-220

removing static entries     2-220

mac-address-table static     2-220

MAC address unicast filtering

dropping unicast traffic     2-220

macro

displaying descriptions     2-231

macro keywords

help strings     2-2

macros

adding a global description     2-231

cisco global     2-229

system-cpp     2-230

mapping secondary VLANs to MST instance     2-275

mapping VLAN(s) to an MST instance     2-129

match subcommand

accessing     2-21

maximum transmission unit (MTU)

displaying the system MTU setting     2-524

setting the maximum Layer 2 payload size     2-622

MD5

verifying MD5 signature     2-640

message digest 5

See MD5

MFIB

clearing ip mfib counters     2-36

clearing ip mfib fastdrop     2-37

displaying all active MFIB routes     2-412

displaying MFIB fastdrop table entries     2-414

enabling IP MFIB fastdrops     2-178

modes

access-group     2-5

show access-group interface     2-313

switching between PVST+, MST, and Rapid PVST     2-562

See also command modes

module password clearing     2-25

module reset

resetting a module by toggling the power     2-126

--More-- prompt

filter     1-6

search     1-7

MST

designating the primary and secondary root     2-570

displaying MST protocol information     2-519

displaying region configuration information     2-519

displaying spanning tree information     2-519

entering MST configuration submode     2-564

setting configuration revision number     2-303

setting path cost and port priority for instances     2-563

setting the forward delay timer for all instances     2-566

setting the hello-time delay timer for all instances     2-567

setting the max-age timer for all instances     2-568

setting the MST region name     2-248

specifying the maximum number of hops     2-569

switching between PVST+ and Rapid PVST     2-562

using the MST configuration submode revision command     2-303

using the submode name command     2-248

MTU

displaying global MTU settings     2-524

multicast

enabling storm control     2-589

multicast/unicast packets

prevent forwarding     2-596

Multicast Forwarding Information Base

See MFIB

multiple-character patterns     1-8

Multiple Spanning Tree

See MST

N

native VLAN

controlling tagging of traffic     2-617

displaying ports eligible for native tagging     2-535

displaying ports eligible for tagging     2-535

enabling tagging on 802.1Q trunk ports     2-648

specifing the tagging of traffic     2-618

NetFlow

enabling NetFlow statistics     2-179

including infer fields in routing statistics     2-179

next-hop

displaying CEF VLAN information     2-391

no form of a command, using     1-6

NVRAM

debugging NVRAM activities     2-67

O

output

pattern searches     1-7

P

packet forwarding

prevent unknown packets     2-596

packet memory failure

direct switch action upon detection     2-89

packet memory test

bootup, displaying results     2-336, 2-338

ongoing, displaying results     2-340

PACL

access-group mode     2-5

paging prompt

see --More-- prompt

PAgP

clearing port channel information     2-42

debugging PAgP activity     2-68

deselecting channeling protocol     2-19

displaying port channel information     2-473

hot standby mode

returning to defaults     2-250

selecting ports     2-250

input interface of incoming packets

learning     2-249

returning to defaults     2-249

setting channeling protocol     2-19

parentheses     1-11

password

clearing on an intelligent line module     2-25

establishing enhanced password security     2-639

setting username     2-639

PBR

displaying route maps      xviii

redistributing route maps      xviii

PM activities

debugging     2-71

disabling debugging     2-71

Policy Based Routing

See PBR

port, dual-capable

selecting the connector     2-240

Port Aggregation Protocol

See PAgP

port-based authentication

displaying debug messages     2-57

displaying statistics and status     2-342

enabling 802.1X     2-106

host modes     2-100

manual control of authorization state     2-106

periodic re-authentication

enabling     2-109

re-authenticating 802.1X-enabled ports     2-108

switch-to-client frame-retransmission number     2-105

port channel

accessing     2-133

creating     2-133

displaying information     2-473

load distribution method

resetting to defaults     2-258

setting     2-258

port range

executing     2-134

port security

debugging ports security     2-72

deleting secure or specific addresses     2-43

displaying settings for an interface or switch     2-483

enabling     2-602

filter source IP and MAC addresses     2-185

setting action upon security violation     2-602

setting the rate limit for bad packets     2-602

sticky port     2-602

Port Trust Device

displaying     2-500

power status

displaying inline power     2-490

displaying power status     2-490

power supply

configuring combined and redundant power on the Catalyst 4507R     2-264

configuring inline power     2-261

configuring power consumption     2-263

displaying the SEEPROM     2-358

setting inline power state     2-260

Private VLAN

See PVLANs

privileged EXEC mode, summary     1-5

prompts

system     1-5

protocol tunneling

configuring encapsulation rate     2-201

disabling     2-197

displaying port information     2-444

enabling     2-197

setting a CoS value for Layer 2 packets     2-198

setting a drop threshold for Layer 2 packets     2-199

PVLANs

configuring isolated, primary, and community PVLANs     2-269

controlling tagging of native VLAN traffic     2-617

disabling sticky-ARP     2-182

displaying map information for VLAN SVIs     2-376

displaying PVLAN information     2-538

enabling interface configuration mode     2-597

enabling sticky-ARP     2-182

mapping VLANs to the same SVI     2-273

specifying host ports     2-597

specifying promiscuous ports     2-597

PVST+

switching between PVST and MST     2-562

Q

QoS

account Layer 2 encapsulation     2-278

attaching a policy-map to an interface     2-304

automatic configuration     2-13

clearing aggregate counters     2-45

configuring a QoS policy map     2-256

configuring auto     2-13

defining a named aggregate policer     2-280

defining default CoS value     2-283

defining ingress CoS-to-DSCP mapping     2-287

displaying aggregate policer information     2-498

displaying auto configuration     2-318

displaying class maps information     2-328

displaying configuration information     2-318

displaying configurations of policies     2-479

displaying policy map information     2-475, 2-482

displaying QoS information     2-497

displaying QoS map information     2-501

enabling global configuration mode     2-276

enabling per-VLAN QoS for a Layer 2 interface     2-295

enabling QoS on an interface     2-277

mapping DSCP values to transmit queues     2-289

mapping egress DSCP-to-CoS     2-289

mapping the DSCP-to-CoS value     2-289

setting the mapping of policed DSCP values     2-291

setting the trust state     2-293

specifying flow-based match criteria     2-234

QoS CoS

configuring for tunneled Layer 2 protocol packets     2-198

defining default CoS value     2-283

qos dbl     2-284

question command     1-1

queueing information

displaying     2-500

R

Rapid PVST

switching between PVST and MST     2-562

re-authenticating 802.1X-enabled ports     2-108

re-authentication

periodic     2-109

set the time     2-111

reboots

restoring bindings across     2-153

redundancy

accessing the main CPU     2-296

changing from active to standby supervisor engine     2-297

displaying information     2-503

displaying redundancy facility information     2-503

displaying RF client list     2-503

displaying RF operational counters     2-503

displaying RF states     2-503

enabling automatic synchronization     2-16

forcing switchover to standby supervisor engine     2-297

set the mode     2-241

synchronizing the route processor configurations     2-232

related documentation     xvii

remote SPAN

See RSPAN

renew commands

ip dhcp snooping database     2-301

resetting PVLAN trunk

setting switchport to trunk     2-597

rj45 connector, selecting the connector     2-240

ROM monitor mode

summary     1-6

Route Processor Redundancy

See redundancy

RPR

set the redundancy mode     2-241

RSPAN

converting VLAN to RSPAN VLAN     2-300

displaying list     2-540

S

saving configuration changes     1-11

secure address, configuring     2-266

secure ports, limitations     2-603

set the redundancy mode     2-241

sfp connector, selecting the connector     2-240

show commands

filtering parameters     1-7

searching and filtering     1-6

show platform commands     1-11

Simple Network Management Protocol

See SNMP

single-character patterns

special characters     1-7

slaveslot0

displaying information on the standby supervisor     2-510

slot0

displaying information about the system     2-512

SNMP

debugging spanning tree activities     2-74

ifIndex persistence

clearing SNMP ifIndex commands     2-545

compress SNMP ifIndex table format     2-550

disabling globally     2-549

disabling on an interface     2-546

enabling globally     2-549

enabling on an interface     2-546

informs

disabling     2-547

enabling     2-547

traps

configuring to send when storm occurs     2-587

disabling     2-547

enabling     2-547

mac-notification

adding     1

removing     1

SPAN commands

configuring a SPAN session to monitor     2-243

displaying SPAN session information     2-523, 2-588

SPAN enhancements

displaying status     2-471

Spanning Tree Protocol

See STP

SPAN session

displaying session information     2-471

filter ACLs     2-243

specify encap type     2-243

turn off host learning based on ingress packets     2-243

special characters

anchoring, table     1-10

SSO     2-241

standard desktop

enabling Cisco-recommended features     2-221

standard desktop and Cisco IP phone

enabling Cisco-recommended features     2-223

sticky address, configuring     2-267

sticky-ARP

disabling on PVLANs     2-182

enabling on PVLANs     2-182

sticky port

deleting     2-43

enabling security     2-602

storm control

configuring for action when storm occurs     2-587

disabling suppression mode     2-349

displaying settings     2-522

enabling     2-587

enabling broadcast     2-587, 2-589

enabling multicast     2-587, 2-589

enabling suppression mode     2-349

enabling timer to recover from error disable     2-120

enabling unicast     2-587, 2-589

multicast, enabling     2-589

setting high and low levels     2-587

setting suppression level     2-349

STP

configuring link type for a port     2-560

configuring tunneling encapsulation rate     2-201

debugging all activities     2-74

debugging spanning tree activities     2-74

debugging spanning tree BackboneFast events     2-76

debugging spanning tree UplinkFast     2-79

detecting misconfiguration     2-557

displaying active interfaces only     2-514

displaying BackboneFast status     2-514

displaying bridge status and configuration     2-514

displaying spanning tree debug messages     2-74

displaying summary of interface information     2-514

enabling BPDU filtering by default on all PortFast ports     2-575

enabling BPDU filtering on an interface     2-553

enabling BPDU guard by default on all PortFast ports     2-577

enabling BPDU guard on an interface     2-555

enabling extended system ID     2-558

enabling loop guard as a default on all ports     2-561

enabling PortFast by default on all access ports     2-578

enabling PortFast mode     2-573

enabling protocol tunneling for     2-197

enabling root guard     2-559

enabling spanning tree BackboneFast     2-552

enabling spanning tree on a per VLAN basis     2-582

enabling spanning tree UplinkFast     2-580

setting an interface priority     2-579

setting drop threshold for     2-199

setting pathcost     2-556

setting the default pathcost calculation method     2-572

subinterface configuration mode, summary     1-6

SVI

creating a Layer 3 interface on a VLAN     2-136

switching characteristics

excluding from link-up calculation     2-594

modifying     2-594

returning to interfaces

capture function     2-594

switchport     2-618

switchport interfaces

displaying status of Layer 3 port     2-378

displaying status of native VLAN tagging     2-378

switch shim

debugging     2-77

disabling debugging     2-77

switch to router connection

enabling Cisco-recommended features     2-225

switch to switch connection

enabling Cisco-recommended features     2-227

switch virtual interface

See SVI

sw-vlan     2-80

system prompts     1-5

T

Tab key

command completion     1-1

tables

characters with special meaning     1-7

mac access-list extended subcommands     2-211

match syntax description     2-22

multipliers     1-9

relationship between duplex and speed commands     2-585

show cable-diagnostics tdr command output fields     2-324

show cdp neighbors detail field descriptions     2-327

show cdp neighbors field descriptions     2-326

show ip interface field descriptions     2-410

show policy-map control-plane field descriptions     2-478

show vlan command output fields     2-539

show vtp command output fields     2-543

special characters     1-9

special characters used for anchoring     1-10

speed command options     2-234, 2-585

valid interface types     2-131

TAC

displaying information useful to TAC     2-525

TCAM

debugging spanning tree activities     2-74

TDR

displaying cable diagnostic test results     2-323

test condition of copper cables     2-623

temperature readings

displaying information     2-346

timer information     2-350

traffic shaping

enable on an interface     2-311

traps, enabling     2-547

trunk encapsulation

setting format     2-618

trunk interfaces

displaying trunk interfaces information     2-385

trust state

setting     2-143

tunnel ports

displaying information about Layer 2 protocol     2-444

TX queues

allocating bandwidth     2-631

returning to default values     2-631

setting priority to high     2-631

specifying burst size     2-631

specifying traffic rate     2-631

U

UDLD

displaying administrative and operational status     2-527

enabling by default on all fiber interfaces     2-633

enabling on an individual interface     2-635

preventing a fiber interface from being enabled     2-635

resetting all shutdown ports     2-637

setting the message timer     2-633

Unidirectional Link Detection

See UDLD

unknown multicast traffic, preventing     2-596

unknown unicast traffic, preventing     2-596

user EXEC mode, summary     1-5

username

setting password and privilege level     2-639

V

VACLs

access-group mode     2-5

applying VLAN access maps     2-649

displaying VLAN access map information     2-533

specifying an action in a VLAN access map     2-9

specifying the match clause for a VLAN access-map sequence     2-233

using a VLAN filter     2-649

VLAN

applying an ARP ACL     2-137

configuring     2-642

converting to RSPAN VLAN     2-300

displaying CEF information     2-391

displaying CEF next-hop information     2-391

displaying information on switch interfaces     2-401, 2-405

displaying information on VLAN switch interfaces     2-408

displaying information sorted by group IP address     2-401, 2-405

displaying IP address and version information     2-401, 2-405

displaying Layer 2 VLAN information     2-529

displaying statistical information     2-469

displaying VLAN information     2-531

enabling dynamic ARP inspection     2-146

enabling Explicit Host Tracking     2-172

enabling guest per-port     2-98

enabling guest VLAN supplicant     2-91, 2-99

entering VLAN configuration mode     2-646

native frames

enabling tagging on all 802.1Q trunk ports     2-648

pruning the list for VTP     2-618

setting the list of allowed     2-618

VLAN Access Control Lists

See VACLs

VLAN access map

See VACLs

VLAN database

resetting     2-302

VLAN debugging

limiting output     2-56

VLAN link-up calculation

excluding a switch port     2-594

including a switch port     2-594

VLAN manager

debugging     2-80

disabling debugging     2-80

IOS file system error tests

debugging     2-81

disabling debugging     2-81

VLAN Query Protocol

See VQP

VLAN query protocol (VQPC)

debugging     2-85

VLANs

clearing

counters     2-47

clearing hardware logic     2-27

configuring

internal allocation scheme     2-650

displaying

internal VLAN allocation information     2-536

RSPAN VLANs     2-540

entering VLAN configuration mode     2-646

VMPS

configuring servers     2-654

reconfirming dynamic VLAN assignments     2-652

voice VLANs

enabling     2-590

VoIP

configuring auto-QoS     2-13

VQP

per-server retry count     2-653

reconfirming dynamic VLAN assignments     2-652

VTP

configuring the administrative domain name     2-658

configuring the device in VTP client mode     2-657

configuring the device in VTP server mode     2-661

configuring the device in VTP transparent mode     2-662

configuring tunnel encapsulation rate     2-201

creating a VTP domain password     2-659

displaying domain information     2-542

displaying statistics information     2-542

enabling protocol tunneling for     2-197

enabling pruning in the VLAN database     2-660

enabling VTP version 2 mode     2-663

modifying the VTP configuration storage file name     2-656

set drop threshold for     2-199

VTP protocol code

activating debug messages     2-83

deactivating debug messages     2-83