Catalyst 3550 Multilayer Switch Command Reference, 12.1(13)EA1
Index

Table Of Contents

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

Index

Numerics

802.1Q trunk ports and native VLANs     2-470

802.1Q tunnel ports

configuring     2-416

displaying     2-217

limitations     2-417

802.1X

and switchport modes     2-417

See also port-based authentication

A

aaa authentication dot1x command     2-1

AAA methods     2-1

abort command     2-467

access control entries

See ACEs

access control lists

See ACLs

access groups

IP     2-92

MAC

configuring     2-116

displaying     2-266

access-list hardware program nonblocking command     2-3

access lists

IP     2-92

on Layer 2 interfaces     2-92, 2-116

access map configuration mode     2-125

access mode     2-416

access ports     2-416

ACEs     2-66, 2-167

ACLs

deny     2-64

displaying     2-196

for non-IP protocols     2-118

matching     2-125

permit     2-165

action command     2-5

aggregate-port learner     2-161

allowed VLANs     2-431

apply command     2-467

archive download-sw command     2-7

archive tar command     2-9

archive upload-sw command     2-12

audience     xiii

authorization state of controlled port     2-70

autonegotiation of duplex mode     2-77

auto qos voip command     2-14

B

BackboneFast, for STP     2-360

boot (boot loader) command     A-2

boot boothlpr command     2-18

boot buffersize command     2-19

boot config-file command     2-20

boot enable-break command     2-21

boot helper command     2-22

boot helper-config file command     2-23

booting

displaying environment variables     2-200

interrupting     2-21

IOS image     2-26

manually     2-24

boot loader

accessing     A-1

booting

helper image     2-22

IOS image     A-2

directories

creating     A-15

displaying a list of     A-6

removing     A-19

displaying

available commands     A-11

memory heap utilization     A-13

version     A-26

environment variables

described     A-20

displaying settings     A-20

location of     A-21

setting     A-20

unsetting     A-24

files

copying     A-4

deleting     A-5

displaying a list of     A-6

displaying the contents of     A-3, A-16, A-23

renaming     A-17

file system

formatting     A-9

initializing Flash     A-8

running a consistency check     A-10

loading helper images     A-12

prompt     A-1

resetting the system     A-18

boot manual command     2-24

boot private-config-file command     2-25

boot system command     2-26

BPDU filtering, for spanning tree     2-361, 2-393

BPDU guard, for spanning tree     2-363, 2-393

broadcast storm control     2-406

broadcast traffic counters     2-252

C

candidate switches

See clusters

cat (boot loader) command     A-3

caution, description     xiv

CDP, enabling protocol tunneling for     2-109

channel-group command     2-27

channel-protocol command     2-30

class command     2-32

class-map command     2-34

class maps

creating     2-34

defining the match criteria     2-127

displaying     2-202

class of service

See CoS

clear l2protocol-tunnel counters command     2-37

clear lacp command     2-36

clear mac address-table command     2-38

clear pagp command     2-40

clear port-security dynamic command     2-41

clear port-security sticky command     2-42

clear spanning-tree counters command     2-44

clear spanning-tree detected-protocols command     2-45

clear vmps statistics command     2-46

clear vtp counters command     2-47

cluster commander-address command     2-48

cluster discovery hop-count command     2-50

cluster enable command     2-51

cluster holdtime command     2-53

cluster member command     2-54

cluster outside-interface command     2-56

cluster run command     2-57

clusters

adding candidates     2-54

binding to HSRP group     2-58

building manually     2-54

communicating with

devices outside the cluster     2-56

members by using Telnet     2-178

debug messages, display     B-5

displaying

candidate switches     2-205

debug messages     B-5

member switches     2-207

status     2-203

hop-count limit for extended discovery     2-50

HSRP standby groups     2-58

redundancy     2-58

SNMP trap     2-352

cluster standby-group command     2-58

cluster timer command     2-60

command modes defined     1-1

command switch

See clusters

configuration conflicts, ACL, displaying     2-233

configuration files

password recovery disable considerations     A-1

setting the NVRAM size for     2-19

specifying the name     2-20, 2-25

configuring multiple interfaces     2-88

config-vlan mode

commands     2-453

description     1-4

entering     2-452

summary     1-2

conventions

command     xiv

for examples     xiv

publication     xiv

text     xiv

copy (boot loader) command     A-4

CoS

assigning default value to incoming packets     2-137

assigning to Layer 2 protocol packets     2-111

defining in a policy map     2-139

overriding the incoming value     2-137

CoS-to-DSCP map     2-143

CoS-to-egress-queue map     2-490

CPU ASIC

debug messages, display     B-7

statistics display     2-210

CPU statistics, displaying     2-210

cross-stack UplinkFast, for STP     2-397

D

debug acltcam command     B-2

debug autoqos command     B-3

debug cluster command     B-5

debug cpu-interface command     B-7

debug dot1x command     B-8

debug etherchannel command     B-9

debug ethernet-controller ram-access command     B-10

debug fallback-bridging command     B-11

debug gigastack command     B-12

debug ilpower controller command     B-13

debug ilpower process command     B-14

debug ip igmp filter command     B-15

debug ip igmp max-groups command     B-16

debug l3multicast command     B-17

debug l3tcam command     B-18

debug l3unicast command     B-19

debug mac-manager command     B-20

debug mac-notification command     B-21

debug met command     B-22

debug mvrdbg command     B-23

debug pagp command     B-24

debug pbr command     B-25

debug pm command     B-26

debug port-security command     B-28

debug spanning-tree backbonefast command     B-32

debug spanning-tree bpdu command     B-33

debug spanning-tree bpdu-opt command     B-34

debug spanning-tree command     B-30

debug spanning-tree mstp command     B-35

debug spanning-tree switch command     B-37

debug spanning-tree uplinkfast command     B-39

debug span-session command     B-29

debug sw-vlan command     B-40

debug sw-vlan ifs command     B-42

debug sw-vlan notification command     B-43

debug sw-vlan vtp command     B-44

debug udld command     B-46

define interface-range command     2-61

delete (boot loader) command     A-5

delete command     2-63

deny command     2-64

detect mechanism, causes     2-79

dir (boot loader) command     A-6

directories, deleting     2-63

documentation, related     xv

document conventions     xiv

domain name, VTP     2-478, 2-484

dot1x default command     2-67

dot1x max-req command     2-68

dot1x multiple-hosts command     2-69

dot1x port-control command     2-70

dot1x re-authenticate command     2-72

dot1x re-authentication command     2-73

dot1x timeout quiet-period command     2-74

dot1x timeout re-authperiod command     2-75

dot1x timeout tx-period command     2-76

dropping packets, with ACL matches     2-5

drop threshold, Layer 2 protocol tunneling     2-109

DSCP-to-CoS map     2-143

DSCP-to-DSCP-mutation map     2-143

DSCP-to-threshold map     2-492

DTP     2-417

DTP flap

error detection for     2-79

error recovery timer     2-81

duplex command     2-77

dynamic-access ports

configuring     2-412

restrictions     2-413

dynamic auto VLAN membership mode     2-416

dynamic desirable VLAN membership mode     2-416

Dynamic Trunking Protocol

See DTP

E

EAP-request/identity frame

maximum number to send     2-68

response time before retransmitting     2-76

encapsulation methods     2-431

environment variables, displaying     2-200

errdisable detect cause command     2-79

errdisable recovery command     2-81

error conditions, displaying     2-226

error disable detection     2-79

error-disabled interfaces, displaying     2-244

EtherChannel

assigning Ethernet interface to channel group     2-27

creating port-channel logical interface     2-86

debug messages, display     B-9, B-24

displaying     2-230

interface information, displaying     2-244

LACP modes     2-27

load-distribution methods     2-175

PAgP

aggregate-port learner     2-161

clearing channel-group information     2-36, 2-40

debug messages, display     B-24

displaying     2-264, 2-304

error detection for     2-79

error recovery timer     2-81

learn method     2-161

modes     2-27

physical-port learner     2-161

priority of interface for transmitted traffic     2-163

Ethernet controller

debug messages, display     B-10

internal register display     2-212

Ethernet statistics, collecting     2-182

examples, conventions for     xiv

exit command     2-467

extended discovery of candidate switches     2-50

extended-range VLANs

and allowed VLAN list     2-431

and pruning-eligible list     2-431

configuring     2-452

extended system ID for STP     2-369

F

fallback bridging, debugging     B-11

fan information, displaying     2-223

feature manager

displaying     2-233

displaying summaries     2-238

label information     2-233

per-interface information     2-236

per-VLAN information     2-238

file name, VTP     2-478

files, deleting     2-63

flash_init (boot loader) command     A-8

flowcontrol command     2-83

format (boot loader) command     A-9

forwarding information base (FIB), debugging     B-19

forwarding packets, with ACL matches     2-5

forwarding results, display     2-239

frame forwarding information, displaying     2-239

fsck (boot loader) command     A-10

G

GigaStack GBIC, debugging     B-12

global configuration mode     1-2, 1-3

H

hardware ACL statistics     2-196

help (boot loader) command     A-11

hop-count limit for clusters     2-50

HSRP

binding HSRP group to cluster     2-58

standby group     2-58

I

IDS

using with SPAN and RSPAN     2-153

IGMP filters

applying     2-96

debug messages, display     B-15

IGMP groups, setting maximum     2-98

IGMP maximum groups, debugging     B-16

IGMP profiles

creating     2-100

displaying     2-255

IGMP snooping

displaying     2-256

enabling     2-102

MAC address tables     2-280

images

See software images

Immediate-Leave feature, MVR     2-158

Immediate-Leave processing     2-102

import map command     2-106

inline power command     2-176

interface command     2-90

interface configuration mode     1-2, 1-4

interface port-channel command     2-86

interface range command     2-88

interface-range macros     2-61

interfaces

assigning Ethernet interface to channel group     2-27

configuring     2-77

configuring multiple     2-88

creating port-channel logical     2-86

disabling     2-350

displaying the MAC address table     2-278

restarting     2-350

interface speed, configuring     2-404

internal registers, displaying     2-212, 2-215

Intrusion Detection System

See IDS

invalid GBIC

error detection for     2-79

error recovery timer     2-81

ip address command     2-94

IP addresses, setting     2-94

IP address matching     2-125

ip igmp filter command     2-96

ip igmp max-groups command     2-98

ip igmp profile command     2-100

ip igmp snooping command     2-102

IP multicast addresses     2-155

IP-precedence-to-DSCP map     2-143

ip vrf (global configuration) command     2-105

ip vrf command     2-107

J

jumbo frames

See MTU

L

l2protocol-tunnel command     2-109

l2protocol-tunnel cos command     2-111

LACP

See EtherChannel

lacp port-priority command     2-112

lacp system-priority command     2-113

Layer 2 mode, enabling     2-410

Layer 2 protocol ports, displaying     2-258

Layer 2 protocol-tunnel

error detection for     2-79

error recovery timer     2-81

Layer 2 protocol tunnel counters     2-37

Layer 2 protocol tunneling error recovery     2-110

Layer 2 traceroute

IP addresses     2-442

MAC addresses     2-439

Layer 3 mode, enabling     2-410

line configuration mode     1-2, 1-5

Link Aggregation Control Protocol

See EtherChannel

link flap

enable timer to recover from error state     2-81

error detection for     2-79

load_helper (boot loader) command     A-12

load-distribution methods for EtherChannel     2-175

logging file command     2-114

logical interface     2-86

loop guard, for spanning tree     2-371, 2-374

M

mac access-group     2-116

MAC access-groups, displaying     2-266

MAC access list configuration mode     2-118

mac access-list extended command     2-118

MAC access lists     2-64

MAC addresses

and port security     2-422

debug learning on bridge groups     B-11

debug learning on VLANs     B-20

displaying

aging time     2-272

all     2-270

dynamic     2-276

Layer 2 multicast entries     2-280

notification settings     2-282

number of addresses in a VLAN     2-274

per interface     2-278

per VLAN     2-286

static     2-284

static and dynamic entries     2-268

dynamic

aging time     2-120

deleting     2-38

displaying     2-276

enabling MAC address notification     2-122

matching     2-125

static

adding and removing     2-124

displaying     2-284

tables     2-270

MAC address notification, debugging     B-21

mac address-table aging-time     2-120

mac address-table aging-time command     2-120

mac address-table notification command     2-122

mac address-table static command     2-124

MAC named extended access lists     2-118

macros, interface range     2-61, 2-88

manual

audience     xiii

purpose of     xiii

maps

QoS

defining     2-143

displaying     2-294

VLAN

creating     2-464

defining     2-125

displaying     2-342

match (access-map configuration) command     2-125

match (class-map configuration) command     2-127

maximum transmission unit

See MTU

member switches

See clusters

memory (boot loader) command     A-13

merge failures, displaying     2-233

mkdir (boot loader) command     A-15

mls aclmerge delay command     2-130

mls qos aggregate-policer command     2-135

mls qos command     2-132

mls qos cos command     2-137

mls qos cos policy-map command     2-139

mls qos dscp-mutation command     2-141

mls qos map command     2-143

mls qos min-reserve command     2-146

mls qos monitor command     2-147

mls qos trust command     2-149

mode, MVR     2-155

Mode button, and password recovery     2-186

modes, commands     1-1

monitor session command     2-151

more (boot loader) command     A-16

MSTP

displaying     2-318

interoperability     2-45

link type     2-373

MST region

aborting changes     2-378

applying changes     2-378

configuration name     2-378

configuration revision number     2-378

current or pending display     2-378

displaying     2-318

MST configuration mode     2-378

VLANs-to-instance mapping     2-378

path cost     2-380

protocol mode     2-376

restart protocol migration process     2-45

root port

loop guard     2-371

preventing from becoming designated     2-371

restricting which can be root     2-371

root guard     2-371

root switch

affects of extended system ID     2-369

hello-time     2-383, 2-389

interval between BDPU messages     2-384

interval between hello BPDU messages     2-383, 2-389

max-age     2-384

maximum hop count before discarding BPDU     2-385

port priority for selection of     2-386

primary or secondary     2-389

switch priority     2-388

state changes

blocking to forwarding state     2-395

enabling BPDU filtering     2-361, 2-393

enabling BPDU guard     2-363, 2-393

enabling Port Fast     2-393, 2-395

forward-delay time     2-382

length of listening and learning states     2-382

rapid transition to forwarding     2-373

shutting down Port Fast-enabled ports     2-393

state information display     2-317

MTU

configuring size     2-437

displaying global setting     2-325

mulit-VRF CE     2-105, 2-107

multicast expansion table (MET), debugging     B-22

multicast group address, MVR     2-158

multicast groups, MVR     2-156

multicast router learning method     2-102

multicast router ports, configuring     2-102

multicast routes, debugging     B-17, B-18

multicast storm control     2-406

multicast traffic counters     2-252

multicast VLAN, MVR     2-155

multicast VLAN registration

See MVR

multiple hosts on authorized port     2-69

Multiple Spanning Tree Protocol

See MSTP

multi VPN routing/forwarding instances in customer edge devices

See multi-VRF CE

MVR

configuring     2-155

configuring interfaces     2-158

debug messages, display     B-23

displaying     2-298

displaying interface information     2-300

members, displaying     2-302

mvr (global configuration) command     2-155

mvr (interface configuration) command     2-158

mvr group command     2-156

mvr vlan group command     2-159

N

native VLANs     2-431

native VLAN tagging     2-470

nonegotiate

DTP messaging     2-420

speed     2-404

non-IP protocols

denying     2-64

forwarding     2-165

non-IP traffic access lists     2-118

non-IP traffic forwarding

denying     2-64

permitting     2-165

normal-range VLANs     2-452, 2-458

note, description     xiv

no vlan command     2-452, 2-462

P

PAgP

See EtherChannel

pagp learn-method command     2-161

pagp port-priority command     2-163

password, VTP     2-478, 2-482, 2-484

password-recovery mechanism, enabling and disabling     2-186

PBR

debug messages, display     B-25

permit command     2-165

physical-port learner     2-161

PIM-DVMRP, as multicast router learning method     2-102

police aggregate command     2-170

police command     2-168

policed-DSCP map     2-143

policy-based routing

See PBR

policy-map command     2-172

policy maps

applying to an interface     2-188, 2-192

creating     2-172

displaying     2-306

policers

displaying     2-289, 2-290

for a single class     2-168

for multiple classes     2-135, 2-170

policed-DSCP map     2-143

traffic classification

defining the class     2-32

defining trust states     2-445

setting DSCP or IP precedence values     2-190

Port Aggregation Protocol

See EtherChannel

port-based authentication

AAA method list     2-1

debug messages, display     B-8

enabling 802.1X     2-70

manual control of authorization state     2-70

multiple hosts on authorized port     2-69

periodic re-authentication

enabling     2-73

time between attempts     2-75

quiet period between failed authentication exchanges     2-74

re-authenticating 802.1X-enabled ports     2-72

resetting global 802.1X parameters     2-67

statistics and status display     2-218

switch-to-client frame-retransmission number     2-68

switch-to-client retransmission time     2-76

port-channel load-balance command     2-175

Port Fast, for spanning tree     2-395

port labels     2-233, 2-236, 2-326

port ranges, defining     2-61

ports, debugging     B-26

ports, protected     2-430

port security

aging     2-426

debug messages, display     B-28

enabling     2-422

violation error recovery     2-81

port trust states for QoS     2-149

port types, MVR     2-158

power information, displaying     2-223

power inline command     2-176

priority-queue command     2-177

privileged EXEC mode     1-2, 1-3

protected ports, displaying     2-250

pruning

VLANs     2-431

VTP

displaying interface information     2-244

enabling     2-478, 2-482, 2-484

pruning-eligible VLAN list     2-433

publications, related     xv

Q

QoS

automatic configuration     2-14

class maps

creating     2-34

defining the match criteria     2-127

displaying     2-202

defining the CoS value for an incoming packet     2-137

displaying configuration information     2-198, 2-288

DSCP trusted ports

applying DSCP-to-DSCP-mutation map to     2-141

defining DSCP-to-DSCP-mutation map     2-143

enabling     2-132

maps

defining     2-143

displaying     2-294

policy maps

applying an aggregate policer     2-170

applying to an interface     2-188, 2-192

creating     2-172

defining CoS     2-139

defining policers     2-135, 2-168

displaying policers     2-289, 2-290

displaying policy maps     2-306

policed-DSCP map     2-143

setting DSCP or IP precedence values     2-190

traffic classifications     2-32

trust states     2-445

port trust states     2-149

queues

CoS-to-egress-queue map     2-490

displaying buffer settings     2-290

displaying queueing strategies     2-290

enabling the expedite     2-177

mapping DSCPs to thresholds     2-492

minimum-reserve level     2-494

minimum-reserve level buffer sizes     2-146

ratio of queue sizes     2-495

tail-drop threshold percentages     2-498

WRED threshold percentages     2-496

WRR weights     2-488

statistics

collecting on specified DSCPs     2-147

displaying DSCP information     2-290

tail-drop

assigning threshold percentages     2-498

mapping DSCPs to thresholds     2-492

WRED

assigning threshold percentages     2-496

enabling     2-496

mapping DSCPs to thresholds     2-492

quality of service

See QoS

querytime, MVR     2-155

R

Rapid Spanning Tree Protocol

See RSTP

rcommand command     2-178

re-authenticating 802.1X-enabled ports     2-72

re-authentication

periodic     2-73

time between attempts     2-75

receiver ports, MVR     2-158

receiving flow-control packets     2-83

recovery mechanism

causes     2-81

display     2-225, 2-228

timer interval     2-81

redundancy for cluster switches     2-58

remote-span command     2-180

Remote Switched Port Analyzer

See RSPAN

rename (boot loader) command     A-17

reset (boot loader) command     A-18

reset command     2-467

resource templates, displaying     2-315

rmdir (boot loader) command     A-19

rmon collection stats command     2-182

root guard, for spanning tree     2-371

route distinguisher     2-106

routed ports

IP addresses on     2-95

number supported     2-95, 2-184

route-target command     2-106

RSPAN

and IDS     2-153

configuring     2-151

displaying     2-296

filter RSPAN traffic     2-151

remote-span command     2-180

sessions

add interfaces to     2-151

start new     2-151

S

sdm prefer command     2-183

secure ports, limitations     2-424

sending flow-control packets     2-83

service password-recovery command     2-186

service-policy command     2-188

set (boot loader) command     A-20

set command     2-190

setup command     2-192

show access-lists command     2-196

show auto qos command     2-198

show boot command     2-200

show changes command     2-467

show class-map command     2-202

show cluster candidates command     2-205

show cluster command     2-203

show cluster members command     2-207

show controllers cpu-interface command     2-210

show controllers ethernet-controller command     2-212

show controllers switch command     2-214

show controllers tcam command     2-215

show current command     2-467

show dot1q-tunnel command     2-217

show dot1x command     2-218

show env command     2-223

show errdisable detect command     2-225

show errdisable flap-values command     2-226

show errdisable recovery command     2-228

show etherchannel command     2-230

show fm command     2-233

show fm interface command     2-236

show fm vlan command     2-238

show forward command     2-239

show interfaces command     2-244

show interfaces counters command     2-252

show ip igmp profile command     2-255

show ip igmp snooping command     2-256

show l2protocol-tunnel command     2-258

show l2tcam command     2-260

show l3tcam command     2-262

show lacp command     2-264

show mac access-group command     2-266

show mac address-table address command     2-270

show mac address-table aging time command     2-272

show mac address-table command     2-268

show mac address-table count command     2-274

show mac address-table dynamic command     2-276

show mac address-table interface command     2-278

show mac address-table multicast command     2-280

show mac address-table notification command     2-282

show mac address-table static command     2-284

show mac address-table vlan command     2-286

show mls qos aggregate-policer command     2-289

show mls qos command     2-288

show mls qos interface command     2-290

show mls qos maps command     2-294

show monitor command     2-296

show mvr command     2-298

show mvr interface command     2-300

show mvr members command     2-302

show pagp command     2-304

show policy-map command     2-306

show port security command     2-308

show power inline command     2-311

show proposed command     2-467

show running-config vlan command     2-313

show sdm prefer command     2-315

show spanning-tree command     2-317

show storm-control command     2-323

show system mtu command     2-325

show tcam command     2-326

show tcam pbr command     2-329

show tcam qos command     2-331

show trust command     2-445

show udld command     2-333

show version command     2-336

show vlan access-map command     2-342

show vlan command     2-338

show vlan command fields     2-339

show vlan filter command     2-343

show vmps command     2-344

show vtp command     2-346

shutdown command     2-350

shutdown threshold, Layer 2 protocol tunneling     2-109

shutdown vlan command     2-351

SNMP host, specifying     2-354

SNMP informs

enable the