Catalyst 3550 Multilayer Switch Command Reference, 12.1(19)EA1
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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     2-515

802.1Q tunnel ports

configuring     2-461

displaying     2-251

limitations     2-462

802.1X

and switchport modes     2-462

See also port-based authentication

A

aaa authentication dot1x command     2-1

AAA methods     2-1

abort command     2-512

access control entries

See ACEs

access control lists

See ACLs

access groups

IP     2-98

MAC

configuring     2-137

displaying     2-303

access-list hardware program nonblocking command     2-3

access lists

IP     2-98

on Layer 2 interfaces     2-98, 2-137

access map configuration mode     2-153

access mode     2-461

access ports     2-461

ACEs     2-66, 2-195

ACLs

deny     2-64

displaying     2-227

for non-IP protocols     2-139

matching     2-153

permit     2-193

action command     2-5

aggregate-port learner     2-189

allowed VLANs     2-476

apply command     2-512

archive download-sw command     2-7

archive tar command     2-9

archive upload-sw command     2-12

audience     xv

authorization state of controlled port     2-74

autonegotiation of duplex mode     2-83

auto qos voip command     2-14

B

BackboneFast, for STP     2-405

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

Cisco IOS image     2-26

displaying environment variables     2-231

interrupting     2-21

manually     2-24

boot loader

accessing     A-1

booting

Cisco IOS image     A-2

helper image     2-22

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     2-406, 2-438

BPDU guard, for spanning tree     2-408, 2-438

broadcast storm control     2-451

broadcast traffic counters     2-284

C

candidate switches

See clusters

cat (boot loader) command     A-3

caution, description     xvi

CDP, enabling protocol tunneling for     2-129

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     2-155

displaying     2-233

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 command     2-41

clear setup express command     2-43

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     2-207

debug messages, display     B-5

displaying

candidate switches     2-236

debug messages     B-5

member switches     2-238

status     2-234

hop-count limit for extended discovery     2-50

HSRP standby groups     2-58

redundancy     2-58

SNMP trap     2-394

cluster standby-group command     2-58

cluster timer command     2-60

command modes defined     1-1

command switch

See clusters

configuration conflicts, ACL, displaying     2-265

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     2-94

config-vlan mode

commands     2-498

description     1-4

entering     2-497

summary     1-2

conventions

command     xvi

for examples     xvi

publication     xvi

text     xvi

copy (boot loader) command     A-4

CoS

assigning default value to incoming packets     2-165

assigning to Layer 2 protocol packets     2-132

defining in a policy map     2-167

overriding the incoming value     2-165

CoS-to-DSCP map     2-171

CoS-to-egress-queue map     2-535

CPU ASIC

debug messages, display     B-7

statistics display     2-241

CPU statistics, displaying     2-241

cross-stack UplinkFast, for STP     2-442

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 dhcp snooping command     B-15

debug ip igmp filter command     B-16

debug ip igmp max-groups command     B-17

debug l3multicast command     B-18

debug l3tcam command     B-19

debug l3unicast command     B-20

debug mac-manager command     B-21

debug mac-notification command     B-22

debug met command     B-23

debug mvrdbg command     B-24

debug pagp command     B-25

debug pbr command     B-26

debug pm command     B-27

debug port-security command     B-29

debug spanning-tree backbonefast command     B-33

debug spanning-tree bpdu command     B-34

debug spanning-tree bpdu-opt command     B-35

debug spanning-tree command     B-31

debug spanning-tree mstp command     B-36

debug spanning-tree switch command     B-38

debug spanning-tree uplinkfast command     B-40

debug span-session command     B-30

debug sw-vlan command     B-41

debug sw-vlan ifs command     B-43

debug sw-vlan notification command     B-44

debug sw-vlan vtp command     B-45

debug udld command     B-47

define interface-range command     2-61

delete (boot loader) command     A-5

delete command     2-63

deny command     2-64

detect mechanism, causes     2-85

DHCP snooping

enabling on a VLAN     2-109

enabling option 82     2-104, 2-106

enabling rate limiting on an interface     2-107

enabling trust on an interface     2-108

error recovery timer     2-87

dir (boot loader) command     A-6

directories, deleting     2-63

documentation, related     xvii

document conventions     xvi

domain name, VTP     2-523, 2-529

dot1x default command     2-67

dot1x guest-vlan command     2-68

dot1x host-mode command     2-69

dot1x initialize command     2-71

dot1x max-req command     2-72

dot1x multiple-hosts command     2-73

dot1x port-control command     2-74

dot1x re-authenticate command     2-76

dot1x re-authentication command     2-77

dot1x reauthentication command     2-78

dot1x system-auth-control command     2-80

dropping packets, with ACL matches     2-5

drop threshold, Layer 2 protocol tunneling     2-129

DSCP-to-CoS map     2-171

DSCP-to-DSCP-mutation map     2-171

DSCP-to-threshold map     2-537

DTP     2-462

DTP flap

error detection for     2-85

error recovery timer     2-87

duplex command     2-83

dynamic-access ports

configuring     2-457

restrictions     2-458

dynamic auto VLAN membership mode     2-461

dynamic desirable VLAN membership mode     2-461

Dynamic Host Configuration Protocol (DHCP)

See DHCP snooping

Dynamic Trunking Protocol

See DTP

E

EAP-request/identity frame

maximum number to send     2-72

response time before retransmitting     2-81

encapsulation methods     2-476

environment variables, displaying     2-231

errdisable detect cause command     2-85

errdisable recovery command     2-87

error conditions, displaying     2-258

error disable detection     2-85

error-disabled interfaces, displaying     2-276

EtherChannel

assigning Ethernet interface to channel group     2-27

creating port-channel logical interface     2-92

debug messages, display     B-9, B-25

displaying     2-262

enabling Layer 2 protocol tunneling for

LACP     2-130

PAgP     2-130

UDLD     2-130

interface information, displaying     2-276

LACP modes     2-27

load-distribution methods     2-203

PAgP

aggregate-port learner     2-189

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

debug messages, display     B-25

displaying     2-301, 2-342

error detection for     2-85

error recovery timer     2-87

learn method     2-189

modes     2-27

physical-port learner     2-189

priority of interface for transmitted traffic     2-191

Ethernet controller

debug messages, display     B-10

internal register display     2-243

Ethernet statistics, collecting     2-210

examples, conventions for     xvi

exit command     2-512

express setup-related commands     2-43, 2-225, 2-357

extended discovery of candidate switches     2-50

extended-range VLANs

and allowed VLAN list     2-476

and pruning-eligible list     2-476

configuring     2-497

extended system ID for STP     2-414

F

fallback bridging, debugging     B-11

fan information, displaying     2-255

feature manager

displaying     2-265

displaying summaries     2-270

label information     2-265

per-interface information     2-268

per-VLAN information     2-270

file name, VTP     2-523

files, deleting     2-63

flash_init (boot loader) command     A-8

flowcontrol command     2-89

format (boot loader) command     A-9

forwarding information base (FIB), debugging     B-20

forwarding packets, with ACL matches     2-5

forwarding results, display     2-271

frame forwarding information, displaying     2-271

fsck (boot loader) command     A-10

G

GigaStack GBIC, debugging     B-12

global configuration mode     1-2, 1-3

H

hardware ACL statistics     2-227

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     2-181

IGMP filters

applying     2-110

debug messages, display     B-16

IGMP groups

configuring throttling action     2-112

setting maximum     2-112

IGMP maximum groups, debugging     B-17

IGMP profiles

creating     2-114

displaying     2-290

IGMP snooping

displaying     2-291

enabling     2-116

MAC address tables     2-317

report suppression     2-119

source-only-learning aging time     2-121

images

See software images

Immediate-Leave feature, MVR     2-186

Immediate-Leave processing     2-116

import map command     2-126

inline power command     2-204

interface command     2-96

interface configuration mode     1-2, 1-4

interface port-channel command     2-92

interface range command     2-94

interface-range macros     2-61

interfaces

assigning Ethernet interface to channel group     2-27

configuring     2-83

configuring multiple     2-94

creating port-channel logical     2-92

disabling     2-392

displaying the MAC address table     2-315

restarting     2-392

interface speed, configuring     2-449

internal registers, displaying     2-243, 2-249

Intrusion Detection System

See IDS

invalid GBIC

error detection for     2-85

error recovery timer     2-87

ip address command     2-100

IP addresses, setting     2-100

IP address matching     2-153

IP DHCP snooping

See DHCP snooping

ip dhcp snooping command     2-102

ip dhcp snooping information option command     2-104

ip dhcp snooping information option format snmp-ifindex command     2-106

ip dhcp snooping limit rate command     2-107

ip dhcp snooping trust command     2-108

ip dhcp snooping vlan command     2-109

ip igmp filter command     2-110

ip igmp max-groups command     2-112

ip igmp profile command     2-114

ip igmp snooping command     2-116

ip igmp snooping report-suppression command     2-119

ip igmp snooping source-only-learning command age-timer     2-121

IP multicast addresses     2-183

IP-precedence-to-DSCP map     2-171

ip ssh command     2-123

ip vrf (global configuration) command     2-125

ip vrf command     2-127

J

jumbo frames

See MTU

L

l2protocol-tunnel command     2-129

l2protocol-tunnel cos command     2-132

LACP

See EtherChannel

lacp port-priority command     2-133

lacp system-priority command     2-134

Layer 2 mode, enabling     2-455

Layer 2 protocol ports, displaying     2-294

Layer 2 protocol-tunnel

error detection for     2-85

error recovery timer     2-87

Layer 2 protocol tunnel counters     2-37

Layer 2 protocol tunneling error recovery     2-130

Layer 2 traceroute

IP addresses     2-488

MAC addresses     2-485

Layer 3 mode, enabling     2-455

line configuration mode     1-2, 1-5

Link Aggregation Control Protocol

See EtherChannel

link flap

enable timer to recover from error state     2-87

error detection for     2-85

load_helper (boot loader) command     A-12

load-distribution methods for EtherChannel     2-203

logging file command     2-135

logical interface     2-92

loopback error, recovery timer     2-87

loop guard, for spanning tree     2-416, 2-419

M

mac access-group     2-137

MAC access-groups, displaying     2-303

MAC access list configuration mode     2-139

mac access-list extended command     2-139

MAC access lists     2-64

MAC addresses

and port security     2-467

debug learning on bridge groups     B-11

debug learning on VLANs     B-21

displaying

aging time     2-309

all     2-307

dynamic     2-313

Layer 2 multicast entries     2-317

notification settings     2-319

number of addresses in a VLAN     2-311

per interface     2-315

per VLAN     2-323

static     2-321

static and dynamic entries     2-305

dynamic

aging time     2-141

deleting     2-38

displaying     2-313

enabling MAC address notification     2-143

matching     2-153

static

adding and removing     2-145

displaying     2-321

dropping on an interface     2-146

tables     2-307

MAC address notification, debugging     B-22

mac address-table aging-time     2-141

mac address-table aging-time command     2-141

mac address-table notification command     2-143

mac address-table static command     2-145

mac address-table static drop command     2-146

MAC named extended access lists     2-139

macro apply command     2-148

macro description command     2-150

macro name command     2-151

macros

adding a description     2-150

applying     2-148

creating     2-151

displaying     2-344

tracing     2-148

macros, interface range     2-61, 2-94

manual

audience     xv

purpose of     xv

maps

QoS

defining     2-171

displaying     2-331

VLAN

creating     2-509

defining     2-153

displaying     2-384

match (access-map configuration) command     2-153

match (class-map configuration) command     2-155

maximum transmission unit

See MTU

member switches

See clusters

memory (boot loader) command     A-13

merge failures, displaying     2-265

mkdir (boot loader) command     A-15

mls aclmerge delay command     2-158

mls qos aggregate-policer command     2-163

mls qos command     2-160

mls qos cos command     2-165

mls qos cos policy-map command     2-167

mls qos dscp-mutation command     2-169

mls qos map command     2-171

mls qos min-reserve command     2-174

mls qos monitor command     2-175

mls qos trust command     2-177

mode, MVR     2-183

Mode button, and password recovery     2-214

modes, commands     1-1

monitor session command     2-179

more (boot loader) command     A-16

MSTP

displaying     2-359

interoperability     2-45

link type     2-418

MST region

aborting changes     2-423

applying changes     2-423

configuration name     2-423

configuration revision number     2-423

current or pending display     2-423

displaying     2-359

MST configuration mode     2-423

VLANs-to-instance mapping     2-423

path cost     2-425

protocol mode     2-421

restart protocol migration process     2-45

root port

loop guard     2-416

preventing from becoming designated     2-416

restricting which can be root     2-416

root guard     2-416

root switch

affects of extended system ID     2-414

hello-time     2-428, 2-434

interval between BDPU messages     2-429

interval between hello BPDU messages     2-428, 2-434

max-age     2-429

maximum hop count before discarding BPDU     2-430

port priority for selection of     2-431

primary or secondary     2-434

switch priority     2-433

state changes

blocking to forwarding state     2-440

enabling BPDU filtering     2-406, 2-438

enabling BPDU guard     2-408, 2-438

enabling Port Fast     2-438, 2-440

forward-delay time     2-427

length of listening and learning states     2-427

rapid transition to forwarding     2-418

shutting down Port Fast-enabled ports     2-438

state information display     2-358

MTU

configuring size     2-483

displaying global setting     2-366

mulit-VRF CE     2-125, 2-127

multicast expansion table (MET), debugging     B-23

multicast group address, MVR     2-186

multicast groups, MVR     2-184

multicast router learning method     2-116

multicast router ports, configuring     2-116

multicast routes, debugging     B-18, B-19

multicast storm control     2-451

multicast traffic counters     2-284

multicast VLAN, MVR     2-183

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     2-183

configuring interfaces     2-186

debug messages, display     B-24

displaying     2-336

displaying interface information     2-338

members, displaying     2-340

mvr (global configuration) command     2-183

mvr (interface configuration) command     2-186

mvr group command     2-184

mvr vlan group command     2-187

N

native VLANs     2-476

native VLAN tagging     2-515

nonegotiate

DTP messaging     2-465

speed     2-449

non-IP protocols

denying     2-64

forwarding     2-193

non-IP traffic access lists     2-139

non-IP traffic forwarding

denying     2-64

permitting     2-193

normal-range VLANs     2-497, 2-503

note, description     xvi

no vlan command     2-497, 2-507

P

PAgP

See EtherChannel

pagp learn-method command     2-189

pagp port-priority command     2-191

password, VTP     2-523, 2-527, 2-529

password-recovery mechanism, enabling and disabling     2-214

PBR, debug messages, display     B-26

permit command     2-193

per-VLAN spanning-tree plus

See STP

physical-port learner     2-189

PIM-DVMRP, as multicast router learning method     2-116

police aggregate command     2-198

police command     2-196

policed-DSCP map     2-171

policy-based routing

See PBR

policy-map command     2-200

policy maps

applying to an interface     2-217, 2-221

creating     2-200

displaying     2-346

policers

displaying     2-326, 2-327

for a single class     2-196

for multiple classes     2-163, 2-198

policed-DSCP map     2-171

traffic classification

defining the class     2-32

defining trust states     2-490

setting DSCP or IP precedence values     2-219

Port Aggregation Protocol

See EtherChannel

port-based authentication

AAA method list     2-1

debug messages, display     B-8

enabling 802.1X     2-74

guest VLAN     2-68

manual control of authorization state     2-74

multiple hosts on authorized port     2-69

periodic re-authentication

enabling     2-78

time between attempts     2-81

quiet period between failed authentication exchanges     2-81

re-authenticating 802.1X-enabled ports     2-76

resetting configurable 802.1X parameters     2-67

statistics and status display     2-252

switch-to-client frame-retransmission number     2-72

switch-to-client retransmission time     2-81

port-channel load-balance command     2-203

Port Fast, for spanning tree     2-440

port labels     2-265, 2-268, 2-367

port ranges, defining     2-61

ports, debugging     B-27

ports, protected     2-475

port security

aging     2-471

debug messages, display     B-29

enabling     2-467

violation error recovery     2-87

port trust states for QoS     2-177

port types, MVR     2-186

power information, displaying     2-255

power inline command     2-204

priority-queue command     2-206

privileged EXEC mode     1-2, 1-3

protected ports, displaying     2-282

pruning

VLANs     2-476

VTP

displaying interface information     2-276

enabling     2-523, 2-527, 2-529

publications, related     xvii

PVST+

See STP

Q

QoS

automatic configuration     2-14

class maps

creating     2-34

defining the match criteria     2-155

displaying     2-233

defining the CoS value for an incoming packet     2-165

displaying configuration information     2-229, 2-325

DSCP trusted ports

applying DSCP-to-DSCP-mutation map to     2-169

defining DSCP-to-DSCP-mutation map     2-171

enabling     2-160

maps

defining     2-171

displaying     2-331

policy maps

applying an aggregate policer     2-198

applying to an interface     2-217, 2-221

creating     2-200

defining CoS     2-167

defining policers     2-163, 2-196

displaying policers     2-326, 2-327

displaying policy maps     2-346

policed-DSCP map     2-171

setting DSCP or IP precedence values     2-219

traffic classifications     2-32

trust states     2-490

port trust states     2-177

queues

CoS-to-egress-queue map     2-535

displaying buffer settings     2-327

displaying queueing strategies     2-327

enabling the expedite     2-206

mapping DSCPs to thresholds     2-537

minimum-reserve level     2-539

minimum-reserve level buffer sizes     2-174

ratio of queue sizes     2-540

tail-drop threshold percentages     2-543

WRED threshold percentages     2-541

WRR weights     2-533

statistics

collecting on specified DSCPs     2-175

displaying DSCP information     2-327

tail-drop

assigning threshold percentages     2-543

mapping DSCPs to thresholds     2-537

WRED

assigning threshold percentages     2-541

enabling     2-541

mapping DSCPs to thresholds     2-537

quality of service

See QoS

querytime, MVR     2-183

R

rapid per-VLAN spanning-tree plus

See STP

rapid PVST+

See STP

rcommand command     2-207

re-authenticating 802.1X-enabled ports     2-76

re-authentication

periodic     2-78

time between attempts     2-81

receiver ports, MVR     2-186

receiving flow-control packets     2-89

recovery mechanism

causes     2-87

display     2-257, 2-260

timer interval     2-87

redundancy for cluster switches     2-58

remote-span command     2-209

Remote Switched Port Analyzer

See RSPAN

rename (boot loader) command     A-17

reset (boot loader) command     A-18

reset command     2-512

resource templates, displaying     2-355

rmdir (boot loader) command     A-19

rmon collection stats command     2-210

root guard, for spanning tree     2-416

route distinguisher     2-126

routed ports

IP addresses on     2-101

number supported     2-101, 2-212

route-target command     2-126

RSPAN

and IDS     2-181

configuring     2-179

displaying     2-334

filter RSPAN traffic     2-179

remote-span command     2-209

sessions

add interfaces to     2-179

start new     2-179

S

sdm prefer command     2-211

secure ports, limitations     2-469

sending flow-control packets     2-89

service password-recovery command     2-214

service-policy command     2-217

set (boot loader) command     A-20

set command     2-219

setup command     2-221

setup express command     2-225

show access-lists command     2-227

show auto qos command     2-229

show boot command     2-231

show changes command     2-512

show class-map command     2-233

show cluster candidates command     2-236

show cluster command     2-234

show cluster members command     2-238

show controllers cpu-interface command     2-241

show controllers ethernet-controller command     2-243

show controllers switch command     2-248

show controllers tcam command     2-249

show current command     2-512

show dot1q-tunnel command     2-251

show dot1x command     2-252

show env command     2-255

show errdisable detect command     2-257

show errdisable flap-values command     2-258

show errdisable recovery command     2-260

show etherchannel command     2-262

show fm command     2-265

show fm interface command     2-268

show fm vlan command     2-270

show forward command     2-271

show interfaces command     2-276

show interfaces counters command     2-284

show ip dhcp snooping binding command     2-288

show ip dhcp snooping command     2-287

show ip igmp profile command     2-290

show ip igmp snooping command     2-291

show l2protocol-tunnel command     2-294

show l2tcam command     2-297

show l3tcam command     2-299

show lacp command     2-301

show mac access-group command     2-303

show mac address-table address command     2-307

show mac address-table aging time command     2-309

show mac address-table command     2-305

show mac address-table count command     2-311

show mac address-table dynamic command     2-313

show mac address-table interface command     2-315

show mac address-table multicast command     2-317

show mac address-table notification command     2-319

show mac address-table static command     2-321

show mac address-table vlan command     2-323

show mls qos aggregate-policer command     2-326

show mls qos command     2-325

show mls qos interface command     2-327

show mls qos maps command     2-331

show monitor command     2-334

show mvr command     2-336

show mvr interface command     2-338

show mvr members command     2-340

show pagp command     2-342

show parser macro command     2-344

show policy-map command     2-346

show port security command     2-348

show power inline command     2-351

show proposed command     2-512

show running-config vlan command     2-353

show sdm prefer command     2-355

show setup express command     2-357

show spanning-tree command     2-358

show storm-control command     2-364

show system mtu command     2-366

show tcam command     2-367

show tcam pbr command     2-370

show tcam qos command     2-373

show trust command     2-490

show udld command     2-375

show version command     2-378

show vlan access-map command     2-384

show vlan command     2-380

show vlan command fields     2-381

show vlan filter command     2-385

show vmps command     2-386

show vtp command     2-388

shutdown command     2-392

shutdown threshold, Layer 2 protocol tunneling     2-129

shutdown vlan command     2-393

SNMP host, specifying     2-397

SNMP informs, enabling the sending of     2-394

snmp-server enable traps command     2-394

snmp-server host command     2-397

snmp-server ip command     2-401

snmp trap mac-notification command     2-403

SNMP traps

enabling MAC address notification trap     2-403

enabling the MAC address notification feature     2-143

enabling the sending of     2-394

setting DSCP or precedence of     2-401

software images

deleting     2-63

downloading     2-7

upgrading     2-7

uploading     2-12

software version, displaying     2-378

source ports, MVR     2-186

SPAN

and IDS     2-181

configuring     2-179

debug messages, display     B-30

displaying     2-334

filter SPAN traffic     2-179

sessions

add interfaces to     2-179

start new     2-179

spanning-tree backbonefast command     2-405

spanning-tree bpdufilter command     2-406

spanning-tree bpduguard command     2-408

spanning-tree cost command     2-410

spanning-tree etherchannel command     2-412

spanning-tree extend system-id command     2-414

spanning-tree guard command     2-416

spanning-tree link-type command     2-418

spanning-tree loopguard default command     2-419

spanning-tree mode command     2-421

spanning-tree mst configuration command     2-423

spanning-tree mst cost command     2-425

spanning-tree mst forward-time command     2-427

spanning-tree mst hello-time command     2-428

spanning-tree mst max-age command     2-429

spanning-tree mst max-hops command     2-430

spanning-tree mst port-priority command     2-431

spanning-tree mst priority command     2-433

spanning-tree mst root command     2-434

spanning-tree portfast (global configuration) command     2-438

spanning-tree portfast (interface configuration) command     2-440

spanning-tree port-priority command     2-436

spanning-tree stack-port command     2-442

spanning-tree uplinkfast command     2-444

spanning-tree vlan command     2-446

speed command     2-449

SSH, configuring version     2-123

static-access ports, configuring     2-457

statistics, Ethernet group     2-210

sticky learning, enabling     2-467

storm-control command     2-451

STP

BackboneFast     2-405

debug message display

BackboneFast events     B-33

MSTP     B-36

optimized BPDUs handling     B-35

spanning-tree activity     B-31

switch shim     B-38

transmitted and received BPDUs     B-34

UplinkFast     B-40

detection of indirect link failures     2-405

enabling protocol tunneling for     2-129

EtherChannel misconfiguration     2-412

extended system ID     2-414

path cost     2-410

protocol mode     2-421

root port

accelerating choice of new     2-444

accelerating choice of new root in a stack     2-442

cross-stack UplinkFast     2-442

loop guard     2-416

preventing from becoming designated     2-416

restricting which can be root     2-416

root guard     2-416

UplinkFast     2-444

root switch

affects of extended system ID     2-414, 2-447

hello-time     2-446

interval between BDPU messages     2-446

interval between hello BPDU messages     2-446

max-age     2-446

port priority for selection of     2-436

primary or secondary     2-446

switch priority     2-446

state changes

blocking to forwarding state     2-440

enabling BPDU filtering     2-406, 2-438

enabling BPDU guard     2-408, 2-438

enabling Port Fast     2-438, 2-440

enabling timer to recover from error state     2-87

forward-delay time     2-446

length of listening and learning states     2-446

shutting down Port Fast-enabled ports     2-438

state information display     2-358

VLAN options     2-433, 2-446

SVIs

creating     2-96

number supported     2-96, 2-101, 2-212

switchcore command     2-453

Switched Port Analyzer

See SPAN

switching characteristics

modifying     2-455, 2-465

returning to interfaces     2-455, 2-465

switchport access command     2-457

switchport block command     2-459

switchport broadcast command     2-460

switchport command     2-455

switchport mode command     2-461

switchport multicast command     2-464

switchport nonegotiate command     2-465

switchport port-security aging command     2-471

switchport port-security command     2-467

switchport priority extend command     2-473

switchport protected command     2-475

switchports, displaying     2-276

switchport trunk command     2-476

switchport unicast command     2-480

switchport voice vlan command     2-481

switch resources

buffer storage priority     2-453

displaying resource-allocation priority     2-248

reserving for high-priority traffic     2-453

system message logging, save message to Flash     2-135

system mtu command     2-483

system resource templates     2-211

T

tail-drop

assigning threshold percentages     2-543

mapping DSCPs to thresholds     2-537

tar files, creating, listing, and extracting     2-9

TCAM

debug messages, display     B-2, B-19

displaying

ACL     2-367

Layer 2     2-297

Layer 3     2-299

PBR     2-370

QoS     2-373

Telnetting to cluster switches     2-207

temperature information, displaying     2-255

templates, system resources     2-211

traceroute mac command     2-485

traceroute mac ip command     2-488

trunking, VLAN mode     2-461

trunk mode     2-461, 2-476

trunk ports     2-461

trunks

allowed VLANs     2-476

configuring trunk characteristics     2-476

encapsulation methods     2-476

native VLANs     2-476

pruning-eligible VLAN list     2-478

pruning VLANs     2-476

to non-DTP device     2-462

VLAN 1 minimization     2-478

trusted boundary for QoS     2-177

trusted port states for QoS     2-177

tunnel ports, Layer 2 protocol, displaying     2-294

type (boot loader) command     A-23

U

UDLD

aggressive mode     2-492, 2-494

debug messages, display     B-47

enable globally     2-492

enable per interface     2-494

error recovery timer     2-87

message timer     2-492

normal mode     2-492, 2-494

reset a shutdown interface     2-496

status     2-375

udld command     2-492

udld port command     2-494

udld reset command     2-496

unicast FIB, debugging     B-20

unicast routes, debugging     B-19

unicast storm control     2-451

unicast traffic counters     2-284

UniDirectional Link Detection

See UDLD

unknown multicast traffic, preventing     2-459

unknown unicast traffic, preventing     2-459

unset (boot loader) command     A-24

upgrading, software images     2-7

UplinkFast, for STP     2-444

user EXEC mode     1-2, 1-3

V

version (boot loader) command     A-26

vlan (global configuration) command     2-497

vlan (VLAN configuration) command     2-503

vlan access-map command     2-509

VLAN access map configuration mode     2-509

VLAN access maps

actions     2-5

displaying     2-384

VLAN configuration

rules     2-500, 2-505

saving     2-497, 2-507

VLAN configuration mode

commands

VLAN     2-503

VTP     2-529

description     1-5

entering     2-511

summary     1-2

vlan database command     2-511

vlan dot1q tag native command     2-515

vlan filter command     2-516

VLAN filters, displaying     2-385

VLAN ID range     2-497, 2-503

vlan labels     2-265, 2-270, 2-367

VLAN maps

applying     2-516

creating     2-509

defining     2-153

displaying     2-384

VLAN Query Protocol

See VQP

VLANs

adding     2-497

configuring     2-497, 2-503

debug message display

ISL     B-44

VLAN IOS file system error tests     B-43

VLAN manager activity     B-41

VTP     B-45

displaying configurations     2-353, 2-380

extended-range     2-497

MAC addresses

displaying     2-323

number of     2-311

media types     2-500, 2-505

normal-range     2-497, 2-503

restarting     2-393

saving the configuration     2-497

shutting down     2-393

SNMP traps for VTP     2-395, 2-398

suspending     2-393

trunks, VLAN 1 minimization     2-478

variables     2-503

VLAN Trunking Protocol

See VTP

VMPS

configuring servers     2-521

displaying     2-386

error recovery timer     2-87

reconfirming dynamic VLAN assignments     2-518

vmps reconfirm (global configuration) command     2-519

vmps reconfirm (privileged EXEC) command     2-518

vmps retry command     2-520

vmps server command     2-521

voice VLAN

configure     2-481

set port priority     2-473

VPN routing/forwarding table

See VRF

VQP

and dynamic-access ports     2-458

clearing client statistics     2-46

displaying information     2-386

per-server retry count     2-520

reconfirmation interval     2-519

reconfirming dynamic VLAN assignments     2-518

VRF     2-125, 2-127

VTP

changing characteristics     2-523

clearing pruning counters     2-47

configuring

domain name     2-523, 2-529

file name     2-523

mode     2-523, 2-529

password     2-523, 2-527, 2-529

counters display fields     2-389

displaying information     2-388

enabling

pruning     2-523, 2-527, 2-529

tunneling for     2-129

version 2     2-523, 2-527, 2-529

mode     2-523, 2-529

pruning     2-523, 2-527, 2-529

saving the configuration     2-497, 2-507

statistics     2-388

status     2-388

status display fields     2-390

vtp (global configuration) command     2-523

vtp (privileged EXEC) command     2-527

vtp (VLAN configuration) command     2-529

W

WRED

assigning threshold percentages     2-541

enabling     2-541

mapping DSCPs to thresholds     2-537

WRR, assigning weights to egress queues     2-533

wrr-queue bandwidth command     2-533

wrr-queue cos-map command     2-535

wrr-queue dscp-map command     2-537

wrr-queue min-reserve command     2-539

wrr-queue queue-limit command     2-540

wrr-queue random-detect max-threshold command     2-541

wrr-queue threshold command     2-543