Catalyst 2960 Switch Command Reference, 12.2(40)SE
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Table Of Contents

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



aaa accounting dot1x command 2-1

aaa authentication dot1x command 2-3

aaa authorization network command 2-5

AAA methods 2-3

abort command 2-755

access control entries

See ACEs

access control lists

See ACLs

access groups

IP 2-118

MAC, displaying 2-493

access mode 2-706

access ports 2-706

ACEs 2-69, 2-259


deny 2-67

displaying 2-398

for non-IP protocols 2-180

IP 2-118

on Layer 2 interfaces 2-118

permit 2-257

address aliasing 2-248

aggregate-port learner 2-253

allowed VLANs 2-722

apply command 2-755

archive download-sw command 2-6

archive tar command 2-8

archive upload-sw command 2-11

audience xiii

authentication failed VLAN

See dot1x auth-fail vlan

auth-fail max-attempts

See dot1x auth-fail max-attempts

auth-fail vlan

See dot1x auth-fail vlan

authorization state of controlled port 2-93

autonegotiation of duplex mode 2-101

auto qos voip command 2-13


BackboneFast, for STP 2-641

backup interfaces

configuring 2-700

displaying 2-453

boot (boot loader) command A-2

boot boothlpr command 2-18

boot config-file command 2-19

boot enable-break command 2-20

boot helper command 2-21

boot helper-config file command 2-22


Cisco IOS image 2-25

displaying environment variables 2-406

interrupting 2-20

manually 2-23

boot loader

accessing A-1


Cisco IOS image A-2

helper image 2-21


creating A-14

displaying a list of A-7

removing A-18


available commands A-12

memory heap utilization A-13

version A-25

environment variables

described A-19

displaying settings A-19

location of A-20

setting A-19

unsetting A-23


copying A-5

deleting A-6

displaying a list of A-7

displaying the contents of A-4, A-15, A-22

renaming A-16

file system

formatting A-10

initializing flash A-9

running a consistency check A-11

prompt A-1

resetting the system A-17

boot manual command 2-23

boot private-config-file command 2-24

boot system command 2-25

BPDU filtering, for spanning tree 2-642, 2-677

BPDU guard, for spanning tree 2-644, 2-677

broadcast storm control 2-695


candidate switches

See clusters

cat (boot loader) command A-4

caution, description xiv

channel-group command 2-26

channel-protocol command 2-29

Cisco Network Assistant

See Network Assistant xiv

Cisco SoftPhone

auto-QoS configuration 2-13

trusting packets sent from 2-240

class command 2-31

class-map command 2-33

class maps

creating 2-33

defining the match criteria 2-200

displaying 2-410

class of service

See CoS

clear dot1x command 2-35

clear eap sessions command 2-36

clear errdisable interface 2-37

clear ip dhcp snooping database command 2-38

clear lacp command 2-40

clear mac address-table command 2-41, 2-43

clear pagp command 2-44

clear port-security command 2-45

clear spanning-tree counters command 2-47

clear spanning-tree detected-protocols command 2-48

clear vmps statistics command 2-49

clear vtp counters command 2-50

cluster commander-address command 2-51

cluster discovery hop-count command 2-53

cluster enable command 2-54

cluster holdtime command 2-55

cluster member command 2-56

cluster outside-interface command 2-58

cluster requirements xiv

cluster run command 2-59


adding candidates 2-56

binding to HSRP group 2-60

building manually 2-56

communicating with

devices outside the cluster 2-58

members by using Telnet 2-275

debug messages, display B-5


candidate switches 2-413

debug messages B-5

member switches 2-415

status 2-411

hop-count limit for extended discovery 2-53

HSRP standby groups 2-60

redundancy 2-60

SNMP trap 2-631

cluster standby-group command 2-60

cluster timer command 2-62

command modes defined 1-1

command switch

See clusters

configuration, initial

See getting started guide and hardware installation guide

configuration files

password recovery disable considerations A-1

specifying the name 2-19, 2-24

configuring multiple interfaces 2-113

config-vlan mode

commands 2-743

description 1-4

entering 2-742

summary 1-2


command xiii

for examples xiv

publication xiii

text xiii

copy (boot loader) command A-5


assigning default value to incoming packets 2-210

overriding the incoming value 2-210

CoS-to-DSCP map 2-214

CPU ASIC statistics, displaying 2-417

crashinfo files 2-106


debug auto qos command B-2

debug backup command B-4

debug cluster command B-5

debug dot1x command B-7

debug dtp command B-9

debug eap command B-10

debug etherchannel command B-12

debug interface command B-14

debug ip dhcp snooping command B-16

debug ip igmp filter command B-17

debug ip igmp max-groups command B-18

debug ip igmp snooping command B-19

debug lacp command B-20

debug mac-notification command B-21

debug matm command B-22

debug matm move update command B-23

debug monitor command B-24

debug mvrdbg command B-26

debug nvram command B-27

debug pagp command B-28

debug platform acl command B-29

debug platform backup interface command B-30

debug platform cpu-queues command B-31

debug platform dot1x command B-33

debug platform etherchannel command B-34

debug platform forw-tcam command B-35

debug platform ip dhcp command B-36

debug platform ip igmp snooping command B-37

debug platform led command B-39

debug platform matm command B-40

debug platform messaging application command B-42

debug platform phy command B-43

debug platform pm command B-45

debug platform port-asic command B-47

debug platform port-security command B-48

debug platform qos-acl-tcam command B-49

debug platform resource-manager command B-50

debug platform snmp command B-51

debug platform span command B-52

debug platform supervisor-asic command B-53

debug platform sw-bridge command B-54

debug platform tcam command B-55

debug platform udld command B-57

debug platform vlan command B-58

debug pm command B-59

debug port-security command B-61

debug qos-manager command B-62

debug spanning-tree backbonefast command B-65

debug spanning-tree bpdu command B-66

debug spanning-tree bpdu-opt command B-67

debug spanning-tree command B-63

debug spanning-tree mstp command B-68

debug spanning-tree switch command B-70

debug spanning-tree uplinkfast command B-72

debug sw-vlan command B-73

debug sw-vlan ifs command B-75

debug sw-vlan notification command B-77

debug sw-vlan vtp command B-79

debug udld command B-81

debug vqpc command B-83

define interface-range command 2-64

delete (boot loader) command A-6

delete command 2-66

deny command 2-67

detect mechanism, causes 2-102

device manager requirements xiv

DHCP snooping

accepting untrusted packets from edge switch 2-133


on a VLAN 2-138

option 82 2-131, 2-133

trust on an interface 2-136

error recovery timer 2-104

rate limiting 2-135

DHCP snooping binding database

binding file, configuring 2-129


adding 2-127

deleting 2-127

displaying 2-467

clearing database agent statistics 2-38

database agent, configuring 2-129


binding entries 2-467

database agent status 2-469, 2-471

renewing 2-279

dir (boot loader) command A-7

directories, deleting 2-66

documentation, related xiv

document conventions xiii

domain name, VTP 2-762, 2-766

dot1x auth-fail max-attempts 2-72

dot1x auth-fail vlan 2-74

dot1x command 2-70

dot1x control-direction command 2-76

dot1x critical global configuration command 2-78

dot1x critical interface configuration command 2-80

dot1x default command 2-82

dot1x fallback command 2-83

dot1x guest-vlan command 2-84

dot1x host-mode command 2-86

dot1x initialize command 2-87

dot1x mac-auth-bypass command 2-88

dot1x max-reauth-req command 2-90

dot1x max-req command 2-91

dot1x pae command 2-92

dot1x port-control command 2-93

dot1x re-authenticate command 2-95

dot1x reauthentication command 2-96

dot1x timeout command 2-97

DSCP-to-CoS map 2-214

DSCP-to-DSCP-mutation map 2-214

DTP 2-707

DTP flap

error detection for 2-102

error recovery timer 2-104

DTP negotiation 2-709

dual-purpose uplink ports

displaying configurable options 2-456

displaying the active media 2-460

selecting the type 2-204

duplex command 2-100

dynamic-access ports

configuring 2-698

restrictions 2-699

dynamic auto VLAN membership mode 2-706

dynamic desirable VLAN membership mode 2-706

Dynamic Host Configuration Protocol (DHCP)

See DHCP snooping

Dynamic Trunking Protocol



EAP-request/identity frame

maximum number to send 2-91

response time before retransmitting 2-97

environment variables, displaying 2-406

errdisable detect cause command 2-102

errdisable recovery command 2-104

error conditions, displaying 2-442

error disable detection 2-102

error-disabled interfaces, displaying 2-453


assigning Ethernet interface to channel group 2-26

creating port-channel logical interface 2-111

debug EtherChannel/PAgP, display B-12

debug platform-specific events, display B-34

displaying 2-446

interface information, displaying 2-453


clearing channel-group information 2-40

debug messages, display B-20

displaying 2-484

modes 2-26

port priority for hot-standby ports 2-164

restricting a protocol 2-29

system priority 2-166

load-distribution methods 2-266


aggregate-port learner 2-253

clearing channel-group information 2-44

debug messages, display B-28

displaying 2-537

error detection for 2-102

error recovery timer 2-104

learn method 2-253

modes 2-26

physical-port learner 2-253

priority of interface for transmitted traffic 2-255

Ethernet controller, internal register display 2-419

Ethernet statistics, collecting 2-383

examples, conventions for xiv

exception crashinfo command 2-106

exit command 2-755

extended discovery of candidate switches 2-53

extended-range VLANs

and allowed VLAN list 2-722

and pruning-eligible list 2-722

configuring 2-742

extended system ID for STP 2-650


fallback profile command 2-107

fallback profiles, displaying 2-449

fan information, displaying 2-439

file name, VTP 2-762

files, deleting 2-66

flash_init (boot loader) command A-9

Flex Links

configuring 2-700

configuring preferred VLAN 2-702

displaying 2-453

flowcontrol command 2-109

format (boot loader) command A-10

forwarding results, display C-5

frame forwarding information, displaying C-5

fsck (boot loader) command A-11


global configuration mode 1-2, 1-3


hardware ACL statistics 2-398

help (boot loader) command A-12

hierarchical policy maps 2-264

hop-count limit for clusters 2-53

host connection, port configuration 2-705

Hot Standby Router Protocol



binding HSRP group to cluster 2-60

standby group 2-60


IEEE 802.1x

and switchport modes 2-707

violation error recovery 2-104

See also port-based authentication

IEEE 802.1X Port Based Authentication

enabling guest VLAN supplicant 2-73, 2-83, 2-108

IGMP filters

applying 2-139

debug messages, display B-17

IGMP groups, setting maximum 2-141

IGMP maximum groups, debugging B-18

IGMP profiles

creating 2-143

displaying 2-474

IGMP snooping

adding ports as a static member of a group 2-160

displaying 2-475, 2-480, 2-482

enabling 2-145

enabling the configurable-leave timer 2-147

enabling the Immediate-Leave feature 2-156

flooding query count 2-153

interface topology change notification behavior 2-155

multicast table 2-478

querier 2-149

query solicitation 2-153

report suppression 2-151

switch topology change notification behavior 2-153


See software images

Immediate-Leave feature, MVR 2-250

immediate-leave processing 2-156

initial configuration

See getting started guide and hardware installation guide

interface configuration mode 1-2, 1-4

interface port-channel command 2-111

interface range command 2-113

interface-range macros 2-64


assigning Ethernet interface to channel group 2-26

configuring 2-100

configuring multiple 2-113

creating port-channel logical 2-111

debug messages, display B-14

disabling 2-629

displaying the MAC address table 2-505

restarting 2-629

interface speed, configuring 2-687

interface vlan command 2-116

internal registers, displaying 2-419, 2-426

Internet Group Management Protocol


invalid GBIC

error detection for 2-102

error recovery timer 2-104

ip access-group command 2-118

ip address command 2-121

IP addresses, setting 2-121

ip admission command 2-123

ip admission name proxy http command 2-124

IP DHCP snooping

See DHCP snooping

ip dhcp snooping binding command 2-127

ip dhcp snooping command 2-126

ip dhcp snooping database command 2-129

ip dhcp snooping information option allow-untrusted command 2-133

ip dhcp snooping information option command 2-131

ip dhcp snooping limit rate command 2-135

ip dhcp snooping trust command 2-136

ip dhcp snooping verify command 2-137

ip dhcp snooping vlan command 2-138

ip igmp filter command 2-139

ip igmp max-groups command 2-141

ip igmp profile command 2-143

ip igmp snooping command 2-145

ip igmp snooping last-member-query-interval command 2-147

ip igmp snooping querier command 2-149

ip igmp snooping report-suppression command 2-151

ip igmp snooping tcn command 2-153

ip igmp snooping tcn flood command 2-155

ip igmp snooping vlan immediate-leave command 2-156

ip igmp snooping vlan mrouter command 2-158

ip igmp snooping vlan static command 2-160

IP multicast addresses 2-247

IP phones

auto-QoS configuration 2-13

trusting packets sent from 2-240

IP-precedence-to-DSCP map 2-214

IP source guard


dynamic binding entries only 2-467

ip ssh command 2-162


jumbo frames




See EtherChannel

lacp port-priority command 2-164

lacp system-priority command 2-166

Layer 2 traceroute

IP addresses 2-733

MAC addresses 2-730

line configuration mode 1-2, 1-5

Link Aggregation Control Protocol

See EtherChannel

link flap

error detection for 2-102

error recovery timer 2-104

link state group command 2-172

link state track command 2-174

load-distribution methods for EtherChannel 2-266

location (global configuration) command 2-168

location (interface configuration) command 2-170

logging event command 2-175

logging file command 2-176

logical interface 2-111

loopback error

detection for 2-102

recovery timer 2-104

loop guard, for spanning tree 2-652, 2-656


mac access-group command 2-178

MAC access-groups, displaying 2-493

MAC access list configuration mode 2-180

mac access-list extended command 2-180

MAC access lists 2-67

MAC addresses


aging time 2-499

all 2-497

dynamic 2-503

MAC address-table move updates 2-507

notification settings 2-509

number of addresses in a VLAN 2-501

per interface 2-505

per VLAN 2-513

static 2-511

static and dynamic entries 2-495


aging time 2-182

deleting 2-41

displaying 2-503

enabling MAC address notification 2-185

enabling MAC address-table move update 2-183


adding and removing 2-187

displaying 2-511

dropping on an interface 2-188

tables 2-497

MAC address notification, debugging B-21

mac address-table aging-time 2-178

mac address-table aging-time command 2-182

mac address-table move update command 2-183

mac address-table notification command 2-185

mac address-table static command 2-187

mac address-table static drop command 2-188

macro apply command 2-190

macro description command 2-193

macro global command 2-194

macro global description command 2-197

macro name command 2-198


adding a description 2-193

adding a global description 2-197

applying 2-194

creating 2-198

displaying 2-539

interface range 2-64, 2-113

specifying parameter values 2-194

tracing 2-194


audience xiii

purpose of xiii



defining 2-214

displaying 2-523

match (class-map configuration) command 2-200

maximum transmission unit


mdix auto command 2-202

media-type command 2-204

member switches

See clusters

memory (boot loader) command A-13

mkdir (boot loader) command A-14

mls qos aggregate-policer command 2-208

mls qos command 2-206

mls qos cos command 2-210

mls qos dscp-mutation command 2-212

mls qos map command 2-214

mls qos queue-set output buffers command 2-218

mls qos queue-set output threshold command 2-220

mls qos rewrite ip dscp command 2-222

mls qos srr-queue input bandwidth command 2-224

mls qos srr-queue input buffers command 2-226

mls qos-srr-queue input cos-map command 2-228

mls qos srr-queue input dscp-map command 2-230

mls qos srr-queue input priority-queue command 2-232

mls qos srr-queue input threshold command 2-234

mls qos-srr-queue output cos-map command 2-236

mls qos srr-queue output dscp-map command 2-238

mls qos trust command 2-240

mode, MVR 2-247

Mode button, and password recovery 2-387

modes, commands 1-1

monitor session command 2-242

more (boot loader) command A-15


displaying 2-551

interoperability 2-48

link type 2-654

MST region

aborting changes 2-660

applying changes 2-660

configuration name 2-660

configuration revision number 2-660

current or pending display 2-660

displaying 2-551

MST configuration mode 2-660

VLANs-to-instance mapping 2-660

path cost 2-662

protocol mode 2-658

restart protocol migration process 2-48

root port

loop guard 2-652

preventing from becoming designated 2-652

restricting which can be root 2-652

root guard 2-652

root switch

affects of extended system ID 2-650

hello-time 2-665, 2-673

interval between BDPU messages 2-666

interval between hello BPDU messages 2-665, 2-673

max-age 2-666

maximum hop count before discarding BPDU 2-667

port priority for selection of 2-669

primary or secondary 2-673

switch priority 2-672

state changes

blocking to forwarding state 2-679

enabling BPDU filtering 2-642, 2-677

enabling BPDU guard 2-644, 2-677

enabling Port Fast 2-677, 2-679

forward-delay time 2-664

length of listening and learning states 2-664

rapid transition to forwarding 2-654

shutting down Port Fast-enabled ports 2-677

state information display 2-550


configuring size 2-727

displaying global setting 2-558

multicast group address, MVR 2-250

multicast groups, MVR 2-248

multicast router learning method 2-158

multicast router ports, configuring 2-158

multicast storm control 2-695

multicast VLAN, MVR 2-247

multicast VLAN registration


Multiple Spanning Tree Protocol



and address aliasing 2-248

configuring 2-247

configuring interfaces 2-250

debug messages, display B-26

displaying 2-531

displaying interface information 2-533

members, displaying 2-535

mvr (global configuration) command 2-247

mvr (interface configuration) command 2-250

mvr vlan group command 2-251


native VLANs 2-722

Network Admission Control Software Configuration Guide 2-123, 2-125

Network Assistant requirements xiv

nonegotiate, speed 2-687

nonegotiating DTP messaging 2-709

non-IP protocols

denying 2-67

forwarding 2-257

non-IP traffic access lists 2-180

non-IP traffic forwarding

denying 2-67

permitting 2-257

normal-range VLANs 2-742, 2-748

note, description xiv

no vlan command 2-742, 2-752



See EtherChannel

pagp learn-method command 2-253

pagp port-priority command 2-255

password, VTP 2-762, 2-766

password-recovery mechanism, enabling and disabling 2-387

permit (MAC access-list configuration) command 2-257

per-VLAN spanning-tree plus


physical-port learner 2-253

PID, displaying 2-465

PIM-DVMRP, as multicast router learning method 2-158

police aggregate command 2-262

police command 2-260

policed-DSCP map 2-214

policy-map command 2-264

policy maps

applying to an interface 2-389, 2-393

creating 2-264

displaying 2-542

hierarchical 2-264


displaying 2-516

for a single class 2-260

for multiple classes 2-208, 2-262

policed-DSCP map 2-214

traffic classification

defining the class 2-31

defining trust states 2-735

setting DSCP or IP precedence values 2-391

Port Aggregation Protocol

See EtherChannel

port-based authentication

AAA method list 2-3

debug messages, display B-7

enabling IEEE 802.1x

globally 2-70

per interface 2-93

guest VLAN 2-84

host modes 2-86

IEEE 802.1x AAA accounting methods 2-1

initialize an interface 2-87

MAC authentication bypass 2-88

manual control of authorization state 2-93

PAE as authenticator 2-92

periodic re-authentication

enabling 2-96

time between attempts 2-97

quiet period between failed authentication exchanges 2-97

re-authenticating IEEE 802.1x-enabled ports 2-95

resetting configurable IEEE 802.1x parameters 2-82

switch-to-authentication server retransmission time 2-97

switch-to-client frame-retransmission number2-90to 2-91

switch-to-client retransmission time 2-97

port-channel load-balance command 2-266

Port Fast, for spanning tree 2-679

port ranges, defining 2-64

ports, debugging B-59

ports, protected 2-720

port security

aging 2-716

debug messages, display B-61

enabling 2-711

violation error recovery 2-104

port trust states for QoS 2-240

port types, MVR 2-250

power information, displaying 2-439

priority-queue command 2-268

privileged EXEC mode 1-2, 1-3

product identification information, displaying 2-465

protected ports, displaying 2-458


VLANs 2-722


displaying interface information 2-453

enabling 2-762, 2-766

pruning-eligible VLAN list 2-723






configuring 2-13

debug messages, display B-2

displaying 2-402

class maps

creating 2-33

defining the match criteria 2-200

displaying 2-410

defining the CoS value for an incoming packet 2-210

displaying configuration information 2-402, 2-515

DSCP transparency 2-222

DSCP trusted ports

applying DSCP-to-DSCP-mutation map to 2-212

defining DSCP-to-DSCP-mutation map 2-214

egress queues

allocating buffers 2-218

defining the CoS output queue threshold map 2-236

defining the DSCP output queue threshold map 2-238

displaying buffer allocations 2-519

displaying CoS output queue threshold map 2-523

displaying DSCP output queue threshold map 2-523

displaying queueing strategy 2-519


egress queues

displaying queue-set settings 2-526

enabling bandwidth shaping and scheduling 2-691

enabling bandwidth sharing and scheduling 2-693

limiting the maximum output on a port 2-689

mapping a port to a queue-set 2-270

mapping CoS values to a queue and threshold 2-236

mapping DSCP values to a queue and threshold 2-238

setting maximum and reserved memory allocations 2-220

setting WTD thresholds 2-220

enabling 2-206

ingress queues

allocating buffers 2-226

assigning SRR scheduling weights 2-224

defining the CoS input queue threshold map 2-228

defining the DSCP input queue threshold map 2-230

displaying buffer allocations 2-519

displaying CoS input queue threshold map 2-523

displaying DSCP input queue threshold map 2-523

displaying queueing strategy 2-519

displaying settings for 2-517

enabling the priority queue 2-232

mapping CoS values to a queue and threshold 2-228

mapping DSCP values to a queue and threshold 2-230

setting WTD thresholds 2-234


defining 2-214, 2-228, 2-230, 2-236, 2-238

displaying 2-523


policy maps

applying an aggregate policer 2-262

applying to an interface 2-389, 2-393

creating 2-264

defining policers 2-208, 2-260

displaying policers 2-516

displaying policy maps 2-542

hierarchical 2-264

policed-DSCP map 2-214

setting DSCP or IP precedence values 2-391

traffic classifications 2-31

trust states 2-735

port trust states 2-240

queues, enabling the expedite 2-268


in-profile and out-of-profile packets 2-519

packets enqueued or dropped 2-519

sent and received CoS values 2-519

sent and received DSCP values 2-519

trusted boundary for IP phones 2-240

quality of service

See QoS

querytime, MVR 2-247

queue-set command 2-270


radius-server dead-criteria command 2-271

radius-server host command 2-273

rapid per-VLAN spanning-tree plus


rapid PVST+


rcommand command 2-275

re-authenticating IEEE 802.1x-enabled ports 2-95


periodic 2-96

time between attempts 2-97

receiver ports, MVR 2-250

receiving flow-control packets 2-109

recovery mechanism

causes 2-104

display 2-37, 2-408, 2-440, 2-444

timer interval 2-104

redundancy for cluster switches 2-60

remote-span command 2-277

Remote Switched Port Analyzer


rename (boot loader) command A-16

renew ip dhcp snooping database command 2-279


cluster xiv

device manager xiv

Network Assistant xiv

reset (boot loader) command A-17

reset command 2-755

resource templates, displaying 2-547

restricted VLAN

See dot1x auth-fail vlan

rmdir (boot loader) command A-18

rmon collection stats command 2-383

root guard, for spanning tree 2-652


configuring 2-242

displaying 2-529

filter RSPAN traffic 2-242

remote-span command 2-277


add interfaces to 2-242

displaying 2-529

start new 2-242


sdm prefer command 2-385

SDM templates

displaying 2-547

secure ports, limitations 2-713

sending flow-control packets 2-109

service password-recovery command 2-387

service-policy command 2-389

set (boot loader) command A-19

set command 2-391

setup command 2-393

setup express command 2-396

show access-lists command 2-398

show archive status command 2-401

show auto qos command 2-402

show boot command 2-406

show cable-diagnostics tdr command 2-408

show changes command 2-755

show class-map command 2-410

show cluster candidates command 2-413

show cluster command 2-411

show cluster members command 2-415

show controllers cpu-interface command 2-417

show controllers ethernet-controller command 2-419

show controllers tcam command 2-426

show controller utilization command 2-428

show current command 2-755

show dot1x command 2-430

show dtp 2-434

show eap command 2-436

show env command 2-439

show errdisable detect command 2-440

show errdisable flap-values command 2-442

show errdisable recovery command 2-444

show etherchannel command 2-446

show fallback profile command 2-449

show flowcontrol command 2-451

show interfaces command 2-453

show interfaces counters command 2-462

show inventory command 2-465

show ip dhcp snooping binding command 2-467

show ip dhcp snooping command 2-466

show ip dhcp snooping database command 2-469, 2-471

show ip igmp profile command 2-474

show ip igmp snooping command 2-475

show ip igmp snooping groups command 2-478

show ip igmp snooping mrouter command 2-480

show ip igmp snooping querier command 2-482

show lacp command 2-484

show link state group command 2-491

show location 2-488

show mac access-group command 2-493

show mac address-table address command 2-497

show mac address-table aging time command 2-499

show mac address-table command 2-495

show mac address-table count command 2-501

show mac address-table dynamic command 2-503

show mac address-table interface command 2-505

show mac address-table move update command 2-507

show mac address-table notification command 2-43, 2-509, B-23

show mac address-table static command 2-511

show mac address-table vlan command 2-513

show mls qos aggregate-policer command 2-516

show mls qos command 2-515

show mls qos input-queue command 2-517

show mls qos interface command 2-519

show mls qos maps command 2-523

show mls qos queue-set command 2-526

show mls qos vlan command 2-528

show monitor command 2-529

show mvr command 2-531

show mvr interface command 2-533

show mvr members command 2-535

show pagp command 2-537

show parser macro command 2-539

show platform acl command C-2

show platform backup interface command C-3

show platform etherchannel command C-4

show platform forward command C-5

show platform igmp snooping command C-7

show platform layer4op command C-9

show platform mac-address-table command C-10

show platform messaging command C-11

show platform monitor command C-12

show platform mvr table command C-13

show platform pm command C-14

show platform port-asic command C-15

show platform port-security command C-20

show platform qos command C-21

show platform resource-manager command C-22

show platform snmp counters command C-24

show platform spanning-tree command C-25

show platform stp-instance command C-26

show platform tcam command C-27

show platform vlan command C-29

show policy-map command 2-542

show port security command 2-544

show proposed command 2-755

show sdm prefer command 2-547

show setup express command 2-549

show spanning-tree command 2-550

show storm-control command 2-556

show system mtu command 2-558

show trust command 2-735

show udld command 2-560

show version command 2-563

show vlan command 2-565

show vlan command, fields 2-567

show vmps command 2-569

show vtp command 2-572

shutdown command 2-629

shutdown vlan command 2-630

Smartports macros

See macros

SNMP host, specifying 2-635

SNMP informs, enabling the sending of 2-631

snmp-server enable traps command 2-631

snmp-server host command 2-635

snmp trap mac-notification command 2-639

SNMP traps

enabling MAC address notification trap 2-639

enabling the MAC address notification feature 2-185

enabling the sending of 2-631


See Cisco SoftPhone

software images

deleting 2-66

downloading 2-6

upgrading 2-6

uploading 2-11

software version, displaying 2-563

source ports, MVR 2-250


configuring 2-242

debug messages, display B-24

displaying 2-529

filter SPAN traffic 2-242


add interfaces to 2-242

displaying 2-529

start new 2-242

spanning-tree backbonefast command 2-641

spanning-tree bpdufilter command 2-642

spanning-tree bpduguard command 2-644

spanning-tree cost command 2-646

spanning-tree etherchannel command 2-648

spanning-tree extend system-id command 2-650

spanning-tree guard command 2-652

spanning-tree link-type command 2-654

spanning-tree loopguard default command 2-656

spanning-tree mode command 2-658

spanning-tree mst configuration command 2-660

spanning-tree mst cost command 2-662

spanning-tree mst forward-time command 2-664

spanning-tree mst hello-time command 2-665

spanning-tree mst max-age command 2-666

spanning-tree mst max-hops command 2-667

spanning-tree mst port-priority command 2-669

spanning-tree mst pre-standard command 2-671

spanning-tree mst priority command 2-672

spanning-tree mst root command 2-673

spanning-tree portfast (global configuration) command 2-677

spanning-tree portfast (interface configuration) command 2-679

spanning-tree port-priority command 2-675

Spanning Tree Protocol


spanning-tree transmit hold-count command 2-681

spanning-tree uplinkfast command 2-682

spanning-tree vlan command 2-684

speed command 2-687

srr-queue bandwidth limit command 2-689

srr-queue bandwidth share command 2-693

SSH, configuring version 2-162

static-access ports, configuring 2-698

statistics, Ethernet group 2-383

sticky learning, enabling 2-711

storm-control command 2-695


BackboneFast 2-641

counters, clearing 2-47

debug messages, display

BackboneFast events B-65


optimized BPDUs handling B-67

spanning-tree activity B-63

switch shim B-70

transmitted and received BPDUs B-66

UplinkFast B-72

detection of indirect link failures 2-641

EtherChannel misconfiguration 2-648

extended system ID 2-650


path cost 2-646

protocol modes 2-658

root port

accelerating choice of new 2-682

loop guard 2-652

preventing from becoming designated 2-652

restricting which can be root 2-652

root guard 2-652

UplinkFast 2-682

root switch

affects of extended system ID 2-650, 2-685

hello-time 2-684

interval between BDPU messages 2-684

interval between hello BPDU messages 2-684

max-age 2-684

port priority for selection of 2-675

primary or secondary 2-684

switch priority 2-684

state changes

blocking to forwarding state 2-679

enabling BPDU filtering 2-642, 2-677

enabling BPDU guard 2-644, 2-677

enabling Port Fast 2-677, 2-679

enabling timer to recover from error state 2-104

forward-delay time 2-684

length of listening and learning states 2-684

shutting down Port Fast-enabled ports 2-677

state information display 2-550

VLAN options 2-672, 2-684

Switched Port Analyzer


switchport access command 2-698

switchport backup interface command 2-700

switchport block command 2-704

switchport host command 2-705

switchport mode command 2-706

switchport nonegotiate command 2-709

switchport port-security aging command 2-716

switchport port-security command 2-711

switchport priority extend command 2-718

switchport protected command 2-720

switchports, displaying 2-453

switchport trunk command 2-722

switchport voice vlan command 2-725

system message logging, save message to flash 2-176

system mtu command 2-727

system resource templates 2-385


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

TDR, running 2-729

Telnet, using to communicate to cluster switches 2-275

temperature information, displaying 2-439

templates, SDM 2-385

templates, system resources 2-385

test cable-diagnostics tdr command 2-729

traceroute mac command 2-730

traceroute mac ip command 2-733

trunking, VLAN mode 2-706

trunk mode 2-706

trunk ports 2-706

trunks, to non-DTP device 2-707

trusted boundary for QoS 2-240

trusted port states for QoS 2-240

type (boot loader) command A-22



aggressive mode 2-737, 2-739

debug messages, display B-81

enable globally 2-737

enable per interface 2-739

error recovery timer 2-104

message timer 2-737

normal mode 2-737, 2-739

reset a shutdown interface 2-741

status 2-560

udld command 2-737

udld port command 2-739

udld reset command 2-741

unicast storm control 2-695

UniDirectional Link Detection


unknown multicast traffic, preventing 2-704

unknown unicast traffic, preventing 2-704

unset (boot loader) command A-23


software images

downloading 2-6

monitoring status of 2-401

upgrading information

See release notes

UplinkFast, for STP 2-682

user EXEC mode 1-2, 1-3


version (boot loader) command A-25

vlan (global configuration) command 2-742

vlan (VLAN configuration) command 2-748

VLAN configuration

rules 2-745, 2-750

saving 2-742, 2-752

VLAN configuration mode


VLAN 2-748

VTP 2-766

description 1-5

entering 2-754

summary 1-2

vlan database command 2-754

VLAN ID range 2-742, 2-748

VLAN Query Protocol



adding 2-742

configuring 2-742, 2-748

debug messages, display

ISL B-77

VLAN IOS file system error tests B-75

VLAN manager activity B-73

VTP B-79

displaying configurations 2-565

enabling guest VLAN supplicant 2-73, 2-83, 2-108

extended-range 2-742

MAC addresses

displaying 2-513

number of 2-501

media types 2-744, 2-750

normal-range 2-742, 2-748

restarting 2-630

saving the configuration 2-742

shutting down 2-630

SNMP traps for VTP 2-633, 2-636

suspending 2-630

variables 2-748

VLAN Trunking Protocol



configuring servers 2-760

displaying 2-569

error recovery timer 2-104

reconfirming dynamic VLAN assignments 2-757

vmps reconfirm (global configuration) command 2-758

vmps reconfirm (privileged EXEC) command 2-757

vmps retry command 2-759

vmps server command 2-760

voice VLAN

configuring 2-725

setting port priority 2-718


and dynamic-access ports 2-699

clearing client statistics 2-49

displaying information 2-569

per-server retry count 2-759

reconfirmation interval 2-758

reconfirming dynamic VLAN assignments 2-757


changing characteristics 2-762

clearing pruning counters 2-50


domain name 2-762, 2-766

file name 2-762

mode 2-762, 2-766

password 2-762, 2-766

counters display fields 2-573

displaying information 2-572


pruning 2-762, 2-766

Version 2 2-762, 2-766

mode 2-762, 2-766

pruning 2-762, 2-766

saving the configuration 2-742, 2-752

statistics 2-572

status 2-572

status display fields 2-575

vtp (global configuration) command 2-762

vtp (VLAN configuration) command 2-766