Catalyst 3550 Multilayer Switch Command Reference, 12.1(4)EA1
Index

Table Of Contents

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

index

A

abort command     2-1

access control entries

See ACEs

access control lists

See ACLs

access map configuration mode     2-76

access ports     2-256

ACEs     2-51, 2-107

ACLs

deny     2-49

for non-IP protocols     2-73

matching     2-76

permit     2-105

action command     2-3

aggregate-port learner     2-102

allowed VLANs     2-262

apply command     2-5

archive download-sw command     2-6

archive tar command     2-8

archive upload-sw command     2-11

audience     xi

autonegotiation of duplex mode     2-52

B

BackboneFast, for STP     2-230

boot (boot loader) command     A-2

boot boothlpr command     2-13

boot buffersize command     2-14

boot config-file command     2-15

boot enable-break command     2-16

boot helper command     2-17

boot helper-config file command     2-18

booting

displaying environment variables     2-130

interrupting     2-16

IOS image     2-20

manually     2-19

boot loader

accessing     A-1

booting

helper image     2-17

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

boot loader (continued)

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     2-19

boot system command     2-20

BPDU guard, for STP     2-238

broadcast suppression level

configuring     2-255

displaying     2-157

broadcast traffic counters     2-159

C

candidate switches

See clusters

cat (boot loader) command     A-3

caution, description     xii

channel-group command     2-21

Cisco Technical Assistance Center     xv

class command     2-23

class-map command     2-26

class maps

creating     2-26

defining the match criteria     2-78

displaying     2-134

class of service

See CoS

clear mac-address-table dynamic command     2-28

clear pagp command     2-29

clear vmps statistics command     2-30

clear vtp counters command     2-31

cluster commander-address command     2-32

cluster discovery hop-count command     2-34

cluster enable command     2-35

cluster holdtime command     2-36

cluster member command     2-37

cluster outside-interface command     2-39

cluster run command     2-40

clusters

adding candidates     2-37

binding to HSRP group     2-43

building

automatically     2-41

manually     2-37

communicating with

devices outside the cluster     2-39

members by using Telnet     2-115

displaying

candidate switches     2-137

member switches     2-139

status     2-135

heartbeat messages

duration after which switch declared down     2-36

interval between     2-45

hop-count limit for extended discovery     2-34

HSRP standby groups     2-43

redundancy     2-43

SNMP trap     2-226

cluster setup command     2-41

cluster standby-group command     2-43

cluster timer command     2-45

command modes defined     1-1

command switch

See clusters

configuration files

setting the NVRAM size for     2-14

specifying the name     2-15

configuring multiple interfaces     2-64

conventions

command     xii

for examples     xii

publication     xii

text     xii

copy (boot loader) command     A-4

CoS

assigning default value to incoming packets     2-85

overriding the incoming value     2-85

CoS-to-DSCP map     2-89

CoS-to-egress-queue map     2-301

cross-stack UplinkFast, for STP     2-240

D

define interface-range command     2-46

delete (boot loader) command     A-5

delete command     2-48

deny command     2-49

dir (boot loader) command     A-6

directories, deleting     2-48

documentation

feedback     xiv

obtaining

CD-ROM     xiii

world wide web     xiii

ordering     xiv

related     xiii

document conventions     xii

dropping packets, with ACL matches     2-3

DSCP-to-CoS map     2-89

DSCP-to-DSCP-mutation map     2-89

DSCP-to-threshold map     2-303

duplex command     2-52

duplex LED     2-198

dynamic-access ports, configuring     2-252

E

encapsulation methods     2-262

environment variables, displaying     2-130

errdisable recovery command     2-54

EtherChannel

assign Ethernet interface to channel group     2-21

create port-channel logical interface     2-62

display     2-145

load-distribution methods     2-114

PAgP

aggregate-port learner     2-102

clear channel-group information     2-29

display     2-193

enable timer to recover from error state     2-54

learn method     2-102

modes     2-21

physical-port learner     2-102

priority of interface for transmitted traffic     2-104

Ethernet statistics, collecting     2-118

examples, conventions for     xii

exit command     2-56

extended discovery of candidate switches     2-34

F

fan information, displaying     2-143

feature manager

displaying summaries     2-152

dynamic reflexive entries

displaying information     2-150

label information     2-150

per-interface information     2-149

per-VLAN information     2-152

feedback to Cisco Systems, web     xiv

files, deleting     2-48

flash_init (boot loader) command     A-8

flowcontrol command     2-57

format (boot loader) command     A-9

forwarding packets, with ACL matches     2-3

forwarding results, display     2-153

fsck (boot loader) command     A-10

G

global configuration mode     1-2, 1-4

H

hardware ACL statistics     2-128

heartbeat messages

duration after which switch declared down     2-36

interval between     2-45

help (boot loader) command     A-11

holdtime for clusters     2-36

hop-count limit for clusters     2-34

Hot Standby Router Protocol

See HSRP

HSRP

binding HSRP group to cluster     2-43

configuring     2-248

standby group     2-43

I

IGMP snooping

displaying     2-162

enabling     2-68

MAC address tables     2-174

images

See software images

Immediate-Leave feature, MVR     2-99

Immediate-Leave processing     2-68

interface command     2-60

interface configuration mode     1-2, 1-4

interface port-channel command     2-62

interface range command     2-64

interface-range macros     2-46

interfaces

assigning Ethernet interface to channel group     2-21

configuring     2-52, 2-60

create port-channel logical     2-62

disabling     2-224

displaying the MAC address table     2-172

restarting     2-224

interfaces, configuring multiple     2-64

ip address command     2-66

IP addresses, setting     2-66

IP address matching     2-76

ip igmp snooping command     2-68

IP multicast addresses     2-96

IP-precedence-to-DSCP map     2-89

L

Layer 2 mode, enabling     2-250

Layer 3 mode, enabling     2-250

LEDs, switch status     2-197

line configuration mode     1-2, 1-5

link flap, enable timer to recover from error state     2-54

load_helper (boot loader) command     A-12

load-distribution methods for EtherChannel     2-114

logging file command     2-71

logical interface     2-62

M

MAC access list configuration mode     2-73

mac access-list extended command     2-73

MAC access lists     2-49

MAC addresses

displaying

aging time     2-166

all     2-164

dynamic     2-170

Layer 2 multicast entries     2-174

number of addresses in a VLAN     2-168

per interface     2-172

per VLAN     2-178

static     2-176

dynamic

aging time     2-74

deleting     2-28

displaying     2-170

static

adding and removing     2-75

displaying     2-176

MAC address matching     2-76

mac-address-table aging-time command     2-74

MAC address tables     2-164

mac-address-table static command     2-75

MAC named extended access lists     2-73

macros, interface range     2-64

macros, interface-range     2-46

manual

audience     xi

organization of     xi

purpose of     xi

maps

QoS

defining     2-89

displaying     2-185

VLAN     2-76

match (access-map configuration) command     2-76

match (class-map configuration) command     2-78

member switches

See clusters

memory (boot loader) command     A-13

mkdir (boot loader) command     A-15

mls qos aggregate-policer command     2-83

mls qos command     2-80

mls qos cos command     2-85

mls qos dscp-mutation command     2-87

mls qos map command     2-89

mls qos monitor command     2-92

mls qos trust command     2-94

mode, MVR     2-96

modes, commands     1-1

more (boot loader) command     A-16

multicast group address, MVR     2-99

multicast groups, MVR     2-97

multicast router learning method     2-68

multicast router ports, configuring     2-68

multicast suppression level

configuring     2-258

displaying     2-157

multicast traffic counters     2-159

multicast VLAN, MVR     2-96

multicast VLAN registration

See MVR

MVR

configuring     2-96

configuring interfaces     2-99

displaying     2-187

mvr command (global configuration)     2-96

mvr command (interface configuration)     2-99

mvr group command     2-97

mvr vlan group command     2-100

N

native VLANs     2-262

non-IP protocols

denying     2-49

forwarding     2-105

non-IP traffic access lists     2-73

non-IP traffic forwarding

denying     2-49

permitting     2-105

note, description     xii

no vlan command     2-278

P

PAgP

See EtherChannel

pagp learn-method command     2-102

pagp port-priority command     2-104

permit command     2-105

physical-port learner     2-102

PIM-DVMRP, as multicast router learning method     2-68

police aggregate command     2-110

police command     2-108

policed-DSCP map     2-89

policy-map command     2-112

policy maps

applying to an interface     2-121, 2-125

creating     2-112

displaying     2-195

policers

displaying     2-181, 2-182

for a single class     2-108

for multiple classes     2-83, 2-110

policed-DSCP map     2-89

traffic classification

defining the class     2-23

defining trust states     2-267

setting DSCP or IP precedence values     2-123

Port Aggregation Protocol

See EtherChannel

port-channel load-balance command     2-114

Port Fast, for STP     2-236

port ranges, defining     2-46

ports, protected     2-261

port status LED     2-198

port trust states for QoS     2-94

port types, MVR     2-99

privileged EXEC mode     1-2, 1-3

protected ports, displaying     2-157

pruning VLANs     2-262

publications, related     xiii

Q

QoS

class maps

creating     2-26

defining the match criteria     2-78

displaying     2-134

defining the CoS value for an incoming packet     2-85

displaying configuration information     2-180

DSCP trusted ports

applying DSCP-to-DSCP-mutation map to     2-87

defining DSCP-to-DSCP-mutation map     2-89

enabling     2-80

maps

defining     2-89

displaying     2-185

policy maps

applying an aggregate policer     2-110

applying to an interface     2-121, 2-125

creating     2-112

defining policers     2-83, 2-108

displaying policers     2-181, 2-182

displaying policy maps     2-195

policed-DSCP map     2-89

setting DSCP or IP precedence values     2-123

traffic classifications     2-23

trust states     2-267

port trust states     2-94

QoS (continued)

queues

CoS-to-egress-queue map     2-301

displaying buffer settings     2-182

displaying queueing strategies     2-182

mapping DSCPs to thresholds     2-303

ratio of queue sizes     2-305

tail-drop threshold percentages     2-308

WRED threshold percentages     2-306

WRR weights     2-299

statistics

collecting on specified DSCPs     2-92

displaying DSCP information     2-182

tail-drop

assigning threshold percentages     2-308

mapping DSCPs to thresholds     2-303

WRED

assigning threshold percentages     2-306

enabling     2-306

mapping DSCPs to thresholds     2-303

quality of service

See QoS

querytime, MVR     2-96

R

rcommand command     2-115

receiver ports, MVR     2-99

receiving flow-control packets     2-57

recovery mechanism

causes     2-54

display     2-144

timer interval     2-54

redundancy for cluster switches     2-43

rename (boot loader) command     A-17

reset (boot loader) command     A-18

reset command     2-117

resource templates, displaying     2-203

rmdir (boot loader) command     A-19

rmon collection stats command     2-118

root guard, for STP     2-233

routed ports, IP addresses on     2-66

RPS status display     2-201

S

sdm prefer command     2-119

sending flow-control packets     2-57

service-policy command     2-121

set (boot loader) command     A-20

set command     2-123

setup command     2-125

show access-lists command     2-128

show boot command     2-130

show changes command     2-132

show class-map command     2-134

show cluster candidates command     2-137

show cluster command     2-135

show cluster members command     2-139

show current command     2-141

show env command     2-143

show errdisable recovery command     2-144

show etherchannel command     2-145

show fm interface command     2-149

show fm label command     2-150

show fm vlan command     2-152

show forward command     2-153

show interface command     2-155

show interfaces counters command     2-159

show ip igmp snooping command     2-162

show mac-address-table address command     2-164

show mac-address-table aging time command     2-166

show mac-address-table count command     2-168

show mac-address-table dynamic command     2-170

show mac-address-table interface command     2-172

show mac-address-table multicast command     2-174

show mac-address-table static command     2-176

show mac-address-table vlan command     2-178

show mls qos aggregate-policer command     2-181

show mls qos command     2-180

show mls qos interface command     2-182

show mls qos maps command     2-185

show mvr command     2-187

show mvr interface command     2-189

show mvr members command     2-191

show pagp command     2-193

show policy-map command     2-195

show port led command     2-197

show proposed command     2-199

show rps command     2-201

show sdm prefer command     2-203

show spanning-tree command     2-205

show trust command     2-267

show udld command     2-208

show version command     2-211

show vlan access-map command     2-216

show vlan command     2-213

show vlan command fields     2-214

show vlan filter command     2-217

show vmps command     2-218

show vtp command     2-220

shutdown command     2-224

shutdown vlan command     2-225

SNMP host, specifying     2-227

snmp-server enable traps command     2-226

snmp-server host command     2-227

SNMP traps, enable notification of     2-226

software images

deleting     2-48

downloading     2-6

upgrading     2-6

uploading     2-11

software version, displaying     2-211

source ports, MVR     2-99

spanning-tree

BackboneFast     2-230

detection of indirect link failures     2-230

path cost     2-231

root port

accelerate choice of new     2-241

accelerate choice of new root in a stack     2-240

cross-stack UplinkFast     2-240

restrict which can be root     2-233

root guard     2-233

UplinkFast     2-241

root switch

hello-time     2-243

interval between BDPU messages     2-243

interval between hello BPDU messages     2-243

max-age     2-243

port priority for selection of     2-235

primary or secondary     2-243

switch priority     2-243

state changes

blocking to forwarding state     2-236

BPDU guard     2-238

enable timer to recover from error state     2-54

forward-delay time     2-243

length of listening and learning states     2-243

Port Fast     2-236

shut down Port-Fast configured interfaces     2-238

state information display     2-205

VLAN options     2-243

spanning-tree backbonefast command     2-230

spanning-tree cost command     2-231

spanning-tree guard command     2-233

spanning-tree portfast bpduguard command     2-238

spanning-tree portfast command     2-236

spanning-tree port-priority command     2-235

spanning-tree stack-port command     2-240

spanning-tree uplinkfast command     2-241

spanning-tree vlan command     2-243

speed command     2-246

speed LED     2-198

standby mac-address     2-248

static-access ports, configuring     2-252

statistics, Ethernet group     2-118

SVIs

creating     2-60

number supported     2-60

switching characteristics

modifying     2-250, 2-260

returning to interfaces     2-250, 2-260

switchport access command     2-252

switchport block command     2-254

switchport broadcast command     2-255

switchport command     2-250

switchport mode command     2-256

switchport multicast command     2-258

switchport nonegotiate command     2-260

switchport protected command     2-261

switchports, displaying     2-155

switchport trunk command     2-262

switchport unicast command     2-265

system message logging, save message to Flash     2-71

system resource templates     2-119

T

TAC     xv

tail-drop

assigning threshold percentages     2-308

mapping DSCPs to thresholds     2-303

tar files, creating, listing, and extracting     2-8

technical assistance

Cisco.com     xiv

TAC     xv

TAC website     xv

toll-free telephone numbers     xv

Telnetting to cluster switches     2-115

temperature information, displaying     2-143

templates, system resources     2-119

trunk ports     2-256

type (boot loader) command     A-23

U

UDLD

aggressive mode     2-269, 2-271

enable globally     2-269

enable per interface     2-271

enable timer to recover from error state     2-54

message timer     2-269

normal mode     2-269, 2-271

reset a shutdown interface     2-273

status     2-208

udld (global configuration) command     2-269

udld (interface configuration) command     2-271

udld reset command     2-273

unicast suppression level

configuring     2-265

displaying     2-157

unicast traffic counters     2-159

UniDirectional Link Detection

See UDLD

unknown multicast traffic, preventing     2-254

unknown unicast traffic, preventing     2-254

unset (boot loader) command     A-24

upgrading, software images     2-6

UplinkFast, for STP     2-241

URLs, Cisco     xiii

user EXEC mode     1-2, 1-3

util LED     2-198

V

version (boot loader) command     A-26

virtual local area networks

See VLANs

VLAN access map actions     2-3

vlan access-map command     2-280

VLAN access map configuration mode     2-280

VLAN access maps, displaying     2-216

vlan command     2-274

VLAN configuration commands

abort     2-1

apply     2-5

exit     2-56

reset     2-117

show changes     2-132

show current     2-141

show proposed     2-199

VTP     2-290

vtp domain     2-292

vtp password     2-295

vtp pruning     2-296

vtp v2-mode     2-297

VLAN configuration mode     1-2, 1-3, 2-282

commands     2-282

vlan database command     2-282

vlan filter command     2-284

VLAN filters, displaying     2-217

VLAN maps     2-76, 2-280, 2-284

VLAN media types     2-274

VLAN Query Protocol

See VQP

VLANs

configuring     2-274

MAC addresses

displaying     2-178

number of     2-168

SNMP traps for VTP     2-226, 2-227

variables     2-276

VLAN Trunk Protocol

See VTP

VMPS

configuring servers     2-288

reconfirming dynamic VLAN assignments     2-285

vmps reconfirm global configuration command     2-286

vmps reconfirm privileged EXEC command     2-285

vmps retry command     2-287

vmps server command     2-288

VQP

and dynamic-access ports     2-253

clearing client statistics     2-30

displaying information     2-218

per-server retry count     2-287

reconfirmation interval     2-286

reconfirming dynamic VLAN assignments     2-285

VTP

changing the storage filename     2-293

clearing pruning counters     2-31

configuring the mode     2-290

counters display fields     2-221

displaying information     2-220

domain

password for     2-295

setting the name     2-292

pruning     2-296

status display fields     2-222

vtp command     2-290

vtp domain command     2-292

vtp file command     2-293

vtp password command     2-295

vtp pruning command     2-296

vtp v2-mode command     2-297

W

WRED

assigning threshold percentages     2-306

enabling     2-306

mapping DSCPs to thresholds     2-303

WRR, assigning weights to egress queues     2-299

wrr-queue bandwidth command     2-299

wrr-queue cos-map command     2-301

wrr-queue dscp-map command     2-303

wrr-queue queue-limit command     2-305

wrr-queue random-detect max-threshold command     2-306

wrr-queue threshold command     2-308