Table Of Contents

      

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

Index      

Numerics

802.10 SAID (default)8-4

802.1Q trunks12-6

802.1Q VLANs

encapsulation6-3

trunk restrictions6-5

802.1s

See MST

802.1w

See MST

802.1X

See port-based authentication

802.1x authentication

support for guest VLANs26-5

802.3ad

See LACP

A

AAA

disabling26-8

enabling26-8

abbreviating commands2-5

access control entries

See ACEs

access ports, configuring6-8

access VLANs6-6

ACEs

ACLs24-2

Ethernet24-2

IP24-2

Layer 4 operation restrictions24-6

ACLs

ACEs24-2

applying on routed packets24-19

applying on switched packets24-19

compatibility on the same switch24-3

configuring with VLAN maps24-18

CPU impact24-8

IP

matching criteria for port ACLs24-4

MAC extended24-9

matching criteria for router ACLs24-3

port

and voice VLAN24-4

defined24-2

limitations24-4

processing24-8

types supported24-2

acronyms, list ofA-1

active queue management29-13

addresses

See MAC addresses

adjacency tables

description21-2

displaying statistics21-10

advertisements, VTP

See VTP advertisements

alarms

major33-2

minor33-2

audiencexix

authentication

See also port-based authentication

authentication server

defined26-2

RADIUS server26-2

authorized and unauthorized ports26-4

authorized ports with 802.1X26-4

automatic QoS

See QoS

Auto-QoS

configuring29-15

B

BackboneFast

adding a switch (figure)13-2

and MST14-2

configuring13-15

link failure (figure)13-7, 13-8

not supported MST14-2

understanding13-6

See also STP

BGP1-8

blocking packets27-1

blocking state (STP)

RSTP comparisons (table)14-4

boot bootldr command3-18

boot command3-15

boot fields

See configuration register boot fields

boot system command3-13, 3-18

boot system flash command3-15

Border Gateway Protocol

See BGP

boundary ports

description14-6

BPDU Guard

and MST14-2

configuring13-12

overview13-4

BPDUs

and media speed12-2

pseudobridges and14-5

what they contain12-3

bridge ID

See STP bridge ID

bridge priority (STP)12-16

bridge protocol data units

See BPDUs

broadcast storm control

disabling28-4

BSR

configuration example23-21

burst rate29-39

burst size29-26

C

cautions for passwords

encrypting3-9

TACACS+3-9

CDP

and trusted boundary29-24

configuration16-1

displaying configuration16-3

enabling on interfaces16-2

maintaining16-3

monitoring16-3

overview1-2, 16-1

cdp enable command16-2

CEF

adjacency tables21-2

configuring load balancing21-7

disabling per-destination load balancing21-7

display statistics21-9

enabling21-7

hardware switching21-4

load balancing21-6

overview21-1

software switching21-4

CGMP

overview15-1

channel-group group command17-7, 17-9

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

Cisco IP Phones

configuring35-2

sound quality35-1

CIST

description14-2

class-map command29-28

class of service

See CoS

clear cdp counters command16-3

clear cdp table command16-3

clear counters command4-13

clearing

IP multicast table entries23-20

clear ip flow stats command30-6

CLI

accessing2-1

backing out one level2-5

getting commands2-5

history substitution2-3

modes2-5

monitoring environments32-1

ROM monitor2-6

software basics2-4

clients

in 802.1x authentication26-2

command-line processing2-3

command modes2-5

commands

listing2-5

command switches

in VMPS9-1

common and internal spanning tree

See CIST

common spanning tree

See CST

community ports

description10-1

community VLANs

description10-2

config-register command3-16

config terminal command3-2

configuration

802.1X with Guest-VLAN26-10

configuration example, SPAN enhancement32-9

configuration files

saving3-3

configuration guidelines

for VMPS9-3

configuration register

changing settings3-15to 3-16

configuring3-13

settings at startup3-14

configuration register boot fields

listing value3-16

modifying3-15

configure terminal command3-15, 4-2

configuring

inline power33-16

console configuration mode2-5

console port

disconnecting user sessions5-5

monitoring user sessions5-4

copy running-config startup-config command3-3

copy system:running-config nvram:startup-config command3-18

CoS

configuring port value29-36

definition29-3

figure29-2

overriding on Cisco IP Phones35-3

priority35-3

CoS-to-DSCP maps29-40

counters

clearing MFIB23-20

clearing on interfaces4-13

CPU port sniffing, SPAN enhancement32-7

CST

description14-5

IST and14-2

MST and14-2

D

default configuration

802.1X26-7

auto-QoS29-15

IGMP filtering15-12

default gateway

configuring3-4

verifying configuration3-5

default ports

802.1x authentication not supported on26-8

description command4-8

detecting unidirectional links18-1

DHCP snooping

configuration guidelines19-3

configuring19-3

default configuration19-3

displaying binding tables19-9

displaying configuration19-10

enabling19-4

enabling on private VLAN19-5

enabling the database agent19-5

monitoring19-9, 19-12, 19-13

overview19-1

Snooping database agent19-2

DHCP Snooping Database Agent

adding to the database (example)19-9

enabling (example)19-6

overview19-2

reading from a TFTP file (example)19-7

Differentiated Services Code Point values

See DSCP values

DiffServ architecture, QoS29-2

disabled state

RSTP comparisons (table)14-4

disabling

broadcast storm control28-4

disconnect command5-5

documentation

organizationxix

relatedxxi

DSCP maps29-40

DSCP-to-CoS maps

configuring29-42

DSCP values

configuring maps29-40

configuring port value29-37

definition29-3

IP precedence29-2

mapping markdown29-22

mapping to transmit queues29-38

DTP

VLAN trunks and6-3

duplex command4-7

duplex mode

configuring interface4-6

Dynamic Host Configuration Protocol snooping

See DHCP snooping

dynamic port VLAN membership

configuring9-5

example9-9

overview9-2

reconfirming9-7

troubleshooting9-8

Dynamic Trunking Protocol

See DTP

E

EAP

request/identity frame26-3

response/identity frame26-3

EAP frames

changing retransmission time26-13

exchanging (figure)26-3

setting retransmission number26-14

EAPOL frames

802.1x authentication and26-2

OTP authentication, example (figure)26-3

EAPOL-start frame26-3

edge ports

description14-7

EGP

overview1-8

EIGRP

overview1-7

enable command3-2, 3-15

enable mode2-5

encapsulation configuration, SPAN enhancements32-7

encapsulation types6-3

Enhanced Interior Gateway Routing Protocol

See EIGRP

environmental monitoring

LED indications33-2

SNMP traps33-2

supervisor engine33-2

switching modules33-2

using CLI commands33-1

EtherChannel

channel-group group command17-7, 17-9

configuration guidelines17-5

configuring17-6to 17-14

configuring Layer 217-9

configuring Layer 317-6

interface port-channel command17-7

lacp system-priority

command example17-12

modes17-3

overview17-1

PAgP

Understanding17-3

physical interface configuration17-7

port-channel interfaces17-2

port-channel load-balance

command17-11

port-channel load-balance command17-12

removing17-13

removing interfaces17-13

EtherChannel ports

802.1x authentication not supported in26-8

extended range VLANs

See VLANs

Extensible Authentication Protocol over LAN26-1

Exterior Gateway Protocol

See EGP

F

FastDrop

clearing entries23-20

displaying entries23-19

overview23-10

fast-leave processing

enabling15-6

FIB

description21-2

See also MFIB

filtering

in a VLAN24-10

non-IP traffic24-9

flags23-11

Flash memory

configuring router to boot from3-18

loading system images from3-17

security precautions3-17

flooded traffic, blocking27-2

forward-delay time (STP)

configuring12-18

forwarding information base

See FIB

G

gateway

See default gateway

global configuration mode2-5

H

hardware switching21-5

hello time (STP)

configuring12-17

history

CLI2-3

hop counts

configuring MST bridges14-7

hosts, limit on dynamic port9-8

Hot Standby Routing Protocol

See HSRP

HSRP

description1-6

I

ICMP

enabling5-10

ping5-5

running IP traceroute5-7

time exceeded messages5-7

IEEE 802.1s

See MST

IEEE 802.1w

See MST

IEEE 802.3ad

See LACP

IGMP

description23-3

enabling23-13

immediate-leave processing15-2

overview15-1

IGMP filtering

configuring15-12

default configuration15-12

described15-12

monitoring15-16

IGMP groups, setting the maximum number15-14

IGMP profile

applying15-13

configuration mode15-12

configuring15-13

IGMP snooping

configuration guidelines15-3

enabling15-4

IP multicast and23-4

monitoring15-10

overview15-1

IGRP

description1-7

ingress packets, SPAN enhancement32-7

inline power

configuring on Cisco IP phones35-4

interface command3-2, 4-1

interface port-channel command17-6, 17-7

interface range command4-4

interface range macro command4-5

interfaces

adding descriptive name4-8

clearing counters4-13

configuring4-2

configuring ranges4-4

displaying information about4-12

Layer 2 modes6-4

maintaining4-12

monitoring4-12

naming4-8

numbers4-2

overview4-1

restarting4-13

See also Layer 2 interfaces

Interior Gateway Routing Protocol

See IGRP

Internet Control Message Protocol

See ICMP

Internet Group Management Protocol

See IGMP

Inter-Switch Link encapsulation

See ISL encapsulation

IP

configuring default gateway3-4

configuring static routes3-5

displaying statistics21-8

flow switching cache30-6

ip cef command21-7

ip flow-aggregation cache destination-prefix command30-8

ip flow-aggregation cache prefix command30-8

ip flow-aggregation cache source-prefix command30-8

ip flow-export command30-6

ip icmp rate-limit unreachable command5-11

ip igmp profile command15-12

ip igmp snooping tcn flood command15-9

ip igmp snooping tcn flood query count command15-9

ip igmp snooping tcn query solicit command15-10

ip load-sharing per-destination command21-7, 21-8

ip local policy route-map command22-4

ip mask-reply command5-12

IP multicast

clearing table entries23-20

configuring23-12

default configuration23-13

displaying PIM information23-15

displaying the routing table information23-16

enabling23-13

enabling dense-mode PIM23-14

enabling sparse-mode23-14

features not supported23-12

hardware forwarding23-8

IGMP snooping and15-3, 23-4

monitoring23-15

overview23-1

routing protocols23-2

software forwarding23-8

See also Auto-RP; IGMP; PIM; RP; RPF

ip multicast-routing command23-13

IP Phones

configuring voice ports35-2

See Cisco IP Phones35-1

IP phones

automatic classification and queueing29-15

trusted boundary for QoS29-23

ip pim command23-14

ip pim dense-mode command23-14

ip pim sparse-dense-mode command23-15

ip policy route-map command22-3

ip redirects command5-11

ip route-cache flow command30-5

IP routing tables

deleting entries23-20

IP Source Guard

configuring19-11

configuring on private VLANs19-12

displaying19-12, 19-13

overview19-10

IP statistics

displaying21-9

IP traceroute

executing5-7

overview5-7

IP unicast

displaying statistics21-9

ip unreachables command5-10

IPX

redistribution of route information with EIGRP1-7

ISL encapsulation6-3

isolated ports

description10-1

isolated VLANs

description10-2

IST

description14-2

MST regions and14-2

IST master

description14-7

J

jumbo frames

and ethernet ports4-10

configuring MTU sizes for4-11

ports and linecards that support4-9

understanding4-9

VLAN interfaces4-10

K

keyboard shortcuts2-3

L

labels

definition29-3

LACP

system ID17-4

Layer 2

show interfaces4-11

Layer 2 access ports6-8

Layer 2 frames, classification with CoS29-2

Layer 2 interfaces

assigning VLANs8-8

configuring6-5

configuring as PVLAN host ports10-8

configuring as PVLAN promiscuous ports10-7

configuring as PVLAN trunk ports10-9

defaults6-5

disabling configuration6-9

modes6-4

show interfaces command6-7

Layer 2 interface type

resetting10-11

setting10-11

Layer 2 switching

overview6-1

Layer 2 Traceroute

and ARP5-9

and CDP5-8

described5-8

host-to-host paths5-8

IP addresses and subnets5-9

MAC addresses and VLANs5-9

multicast traffic5-9

multiple devices on a port5-9

unicast traffic1-3, 5-8

usage guidelines5-8

Layer 2 trunks

configuring6-6

overview6-3

Layer 3 packets, classification methods29-2

Layer 4 port operations

configuration guidelines24-6

restrictions24-6

leave processing, IGMP

See fast-leave processing

LEDs

description (table)33-2

limit of hosts on dynamic ports9-8

listening state (STP)

RSTP comparisons (table)14-4

load balancing

configuring for CEF21-7

configuring for EtherChannel17-12

overview17-5, 21-6

per-destination21-7

login timer

changing5-4

logoutwarning command5-4

loop guard

and MST14-2

configuring13-9

overview13-2

M

MAC addresses

allocating12-5

building tables6-2

displaying5-3

displaying in DHCP snooping binding table19-10

in ACLs24-9

MAC extended access lists24-9

mapping

DSCP markdown values29-22

DSCP values to transmit queues29-38

mapping tables

configuring DSCP29-40

described29-12

mask destination command30-8

mask source command30-8

match ip address command22-3

maximum aging time (STP)

configuring12-18

member switches

in VMPS9-1

MFIB

CEF and23-5

displaying23-18

overview23-11

modules

checking status5-1

monitoring

ACL information24-26

IGMP filters15-16

IGMP snooping15-10

VLAN

maps24-17

VLAN filters24-17

M-record14-2

MST

and multiple spanning trees1-3, 14-2

boundary ports14-6

BPDUs14-2

configuration14-5

configuring14-9

displaying configurations14-13

edge ports14-7

enabling14-9

hop count14-7

instances14-5

interoperability14-4

interoperability with PVST+14-2

link type14-7

master14-7

message age14-7

regions14-5, 14-6

restrictions14-8

MST instances

configuring parameters14-11

description14-2

number supported14-5

MSTP

M-record14-2

M-tree14-2

M-tree14-2

MTU size (default)8-4

multicast

See IP multicast

multicast packets

blocking27-2

multicast routers

displaying routing tables23-16

flood suppression15-7

specifying port for15-7

Multicast Storm Control, enabling28-6

multiple forwarding paths1-3, 14-2

Multiple Spanning Tree

See MST

N

native VLAN

specifying6-6

NetFlow

destination-prefix aggregation

configuration (example)30-12

minimum mask, configuring30-8

IP

flow switching cache30-6

prefix aggregation

configuration (example)30-10

minimum mask, configuring30-8

source-prefix aggregation

minimum mask, configuring30-8

switching

configuration (example)30-9

configuring30-5

exporting cache entries30-5

statistics30-6

NetFlow aggregation

minimum mask

default value30-7

NetFlow statistics

caveats on supervisor30-4

configuring collection30-4

implementing collection30-4

overview of collection30-1

network fault tolerance1-3, 14-2

network management

configuring16-1

Next Hop Resolution Protocol

See NHRP

NFFC/NFFC II

IGMP snooping and15-3

NHRP

support1-7

non-IP traffic filtering24-9

non-RPF traffic

description23-9

in redundant configurations (figure)23-10

nonvolatile random-access memory

See NVRAM

normal-range VLANs

See VLANs

NVRAM

saving settings3-3

O

OIR

overview4-12

online insertion and removal

See OIR

Open Shortest Path First

See OSPF

operating system images

See system images

OSPF

area concept1-7

description1-6

overview of NetFlow statistics collection30-1

P

packets

modifying29-14

packet type filtering, SPAN enhancement32-8

PAgP

understanding17-3

passwords

configuring enable password3-7

configuring enable secret password3-7

encrypting3-9

recovering lost enable password3-12

setting line password3-8

setting TACACS+3-8

PBR (policy-based routing)

configuration (example)22-4

enabling22-2

features22-1

overview22-1

route maps22-2

when to use22-2

Per-VLAN Rapid Spanning Tree12-6

enabling12-20

PIM

configuring dense mode23-14

configuring sparse mode23-14

displaying information23-15

displaying statistics23-20

enabling sparse-dense mode23-14, 23-15

overview23-3

PIM-DM23-3

PIM-SM23-3

ping

executing5-6

overview5-5

ping command5-6, 23-15

point-to-point

in 802.1x authentication (figure)26-2

police command29-31

policed-DSCP map29-41

policers

description29-5

number of29-10

types of29-9

policies

See QoS policies

policing

See QoS policing

policy-map command29-28, 29-30

policy maps

attaching to interfaces29-33

configuring29-29

port ACLs

and voice VLAN24-4

defined24-2

limitations24-4

Port Aggregation Protocol

see PAgP

port-based authentication

client, defined26-2

configuration guidelines26-8

configuring

quiet period26-12

configuring Guest-VLAN26-10

configuring manual re-authentication of a client26-12

controlling authorization state26-4

default configuration26-7

described26-1

device roles26-2

disabling26-9

displaying statistics26-16

enabling26-8

enabling multiple hosts26-15

enabling periodic re-authentication26-11

encapsulation26-2

initiation and message exchange26-3

method lists26-8

ports not supported26-4

resetting to default values26-15

setting retransmission number26-14

setting retransmission time26-13

switch as proxy26-2

switch as RADIUS client26-2

topologies, supported26-6

with VLAN assignment26-4

port-based QoS features

See QoS

port-channel interfaces

See also EtherChannel

creating17-6

overview17-2

port-channel load-balance

command17-11

command example17-12

port-channel load-balance command17-12

port cost (STP)

configuring12-15

PortFast

and MST14-2

BPDU filter

configuring13-12

configuring or enabling13-11

overview13-3

PortFast BPDU filtering

overview13-4

Portfast BPDU filtering

and MST14-2

enabling13-12

PortFast STP parameter9-3

port priority

configuring MST instances14-11

port priority (STP)12-13

ports

blocking27-1

checking status5-2

community10-1

dynamic VLAN membership

configuring9-5

example9-9

overview9-2

reconfirming9-7

forwarding, resuming27-3

isolated10-1

PVLAN types10-1

secure25-1

See also interfaces

port security

aging25-5

and QoS trusted boundary29-23

configuring25-3

default configuration25-2

described25-1

displaying25-7

violations25-2

with other features25-3

port states

description12-5

port trust state

See trust states

power, inline33-16, 35-4

power dc input command33-10

power inline command33-17

power management

1+1 redundancy mode33-10

2+1 redundancy mode33-10

Catalyst 4006 switch33-10

Catalyst 4500 series33-3

Catalyst 4500 Series power supplies33-8

combined mode33-4

configuring combined mode33-7

configuring redundant mode33-6

overview33-1

redundancy33-10

redundant mode33-4

power redundancy

setting on Catalyst 400633-13

power redundancy-mode comand33-7

power supplies

fixed33-3

variable33-3

power supplies required command33-13

primary VLANs

associating with secondary VLANs10-6

description10-1

priority

overriding35-3

privileged EXEC mode2-5

privileges

changing default3-10

configuring levels3-10

exiting3-11

logging in3-11

promiscuous ports

configuring PVLAN10-7

description10-1

setting mode10-11

protocol timers12-4

pruning, VTP

See VTP pruning

pseudobridges

description14-5

PVLANs

802.1q support10-3

configuration guidelines10-4

configuring10-4

configuring promiscuous ports10-7

host ports

setting10-11

isolated VLANs10-2

overview10-1

permitting routing, example10-10

promiscuous mode

setting10-11

setting

interface mode10-11

Q

QoS

allocating bandwidth29-39

auto-QoS

configuration and defaults display29-18

configuration guidelines29-16

described29-15

displaying29-18

effects on NVRAM configuration29-16

enabling for VoIP29-17

basic model29-5

burst size29-26

classification29-5to 29-9

configuration guidelines29-22

auto-QoS29-16

configuring

auto-QoS29-15

trusted boundary29-23

configuring DSCP maps29-40

configuring traffic shaping29-39

configuring VLAN-based29-34

creating policing rules29-27

default auto configuration29-15

default configuration29-21

definitions29-3

disabling on interfaces29-33

enabling on interfaces29-33

flowcharts29-7, 29-11

IP phones

automatic classification and queueing29-15

detection and trusted settings29-15, 29-23

overview29-1

packet modification29-14

port-based29-34

priority29-14

traffic shaping29-14

transmit rate29-39

trust states

trusted device29-23

VLAN-based29-34

See also COS; DSCP values; transmit queues

QoS active queue management

tracking queue length29-13

QoS labels

definition29-3

QoS mapping tables

CoS-to-DSCP29-40

DSCP-to-CoS29-42

policed-DSCP29-41

types29-12

QoS marking

description29-4

QoS policers

burst size29-26

numbers of29-10

types of29-9

QoS policies

attaching to interfaces29-10

overview29-27

QoS policing

definition29-4

described29-5, 29-9

QoS transmit queues

allocating bandwidth29-39

burst29-14

configuring29-37

configuring traffic shaping29-39

mapping DHCP values to29-38

maximum rate29-14

overview29-13

sharing link bandwidth29-13

Quality of service

See QoS

queueing29-5, 29-13

R

RADIUS server

configuring settings26-11

parameters on the switch26-10

range command4-4

range macros

defining4-5

ranges of interfaces

configuring4-4

Rapid Spanning Tree

See RSTP

re-authentication

configuring manual26-12

enabling periodic26-11

reduced MAC address12-2

redundancy (RPR)

configuring34-4

route processor redundancy34-2

supervisor engine and Cisco IOS software34-3

related documentationxxi

reload command3-15, 3-16

replication

description23-8

reserved-range VLANs

See VLANs

retransmission number

setting in 802.1x authentication26-14

retransmission time

changing in 802.1x authentication26-13

RIP

description1-6

rommon, command3-16

ROM monitor

boot process and3-13

CLI2-6

root bridge

selecting in MST14-2

root bridge (STP)

configuring12-9

root guard

and MST14-2

enabling13-8

overview13-2

routed packets, ACLs on24-19

route-map (IP) command22-3

route maps

defining22-3

PBR22-2

route processor redundancy

See redundancy (RPR+)

router ACLs

description24-2

using with VLAN maps24-18

routers, multicast

See multicast routers

Routing Information Protocol

See RIP

RPR+

See redundancy (RPR+)

RSTP

compatibility14-3

description14-2

port roles14-3

port states14-4

S

SAID

See 802.10 SAID

scheduling29-13

defined29-4

overview29-5

secondary root switch12-12

secondary VLANs

associating with primary10-6

description10-2

permitting routing10-10

secure ports, configuring25-1

security, port25-1

Security Association Identifier

See 802.10 SAID

servers, VTP

See VTP servers

service-policy command29-28

service-policy input command7-1, 29-33

set default interface command22-3

set interface command22-3

set ip default next-hop command22-3

set ip next-hop command22-3

show adjacency command21-10

show boot command3-18

show catalyst4000 chassis-mac-address command12-3

show cdp command16-2, 16-3

show cdp entry command16-3

show cdp interface command16-3

show cdp neighbors command16-3

show cdp traffic command16-4

show configuration command4-8

show debugging command16-4

show environment command33-1

show history command2-4

show inlinepower command33-17, 33-18, 33-19

show interfaces command4-11, 4-12

show interfaces status command5-2

show ip cache flow aggregation destination-prefix command30-9

show ip cache flow aggregation prefix command30-9

show ip cache flow aggregation source-prefix command30-9

show ip cache flow command30-6

show ip cef command21-8

show ip interface command23-15

show ip local policy command22-4

show ip mroute command23-15

show ip pim interface command23-15

show mac-address-table address command5-3

show mac-address-table interface command5-3

show mls entry command21-9

show module command5-1, 12-5

show power command33-13

show power supplies command33-7

show protocols command4-12

show running-config command

adding description for an interface4-8

checking your settings3-3

displaying ACLs24-12, 24-14, 24-21, 24-22

show startup-config command3-4

show users command5-4

show version command3-16

shutdown, command4-13

shutting down

interfaces4-13

single spanning tree

See SST

slot numbers, description4-1

SNMP

documentation1-11

support1-11

software

upgrading34-5

software configuration register3-13

software switching

description21-5

interfaces21-6

key data structures used23-7

SPAN

configuration guidelines32-4

configuring32-4to 32-6

overview32-1

SPAN destination ports

802.1x authentication not supported26-8

SPAN enhancements

configuration example32-9

CPU port sniffing32-7

encapsulation configuration32-7

ingress packets32-7

packet type filtering32-8

spanning-tree backbonefast command13-15

spanning-tree cost command12-15

spanning-tree guard root command13-8

spanning-tree portfast bpdu-guard command13-12

spanning-tree portfast command13-11

spanning-tree port-priority command12-13

spanning-tree uplinkfast command13-14

spanning-tree vlan

command12-9

command example12-9

spanning-tree vlan command12-8

spanning-tree vlan cost command12-15

spanning-tree vlan forward-time command12-19

spanning-tree vlan hello-time command12-17

spanning-tree vlan max-age command12-18

spanning-tree vlan port-priority command12-13

spanning-tree vlan priority command12-17

spanning-tree vlan root primary command12-10

spanning-tree vlan root secondary command12-12

SPAN session32-2

speed

configuring interface4-6

speed command4-7

SST

description14-2

interoperability14-4

static routes

configuring3-5

verifying3-6

statistics

displaying 802.1X26-16

displaying PIM23-20

NetFlow accounting30-6

Storm Control

disabling28-4

displaying28-5

enabling28-3

storm controlxx

Storm Control, enabling multicast28-6

STP

configuring12-7to 12-20

creating topology12-4

defaults12-6

disabling12-19

enabling12-7

enabling extended system ID12-8

enabling Per-VLAN Rapid Spanning Tree12-20

forward-delay time12-18

hello time12-17

maximum aging time12-18

overview12-1, 12-3

per-VLAN rapid spanning tree12-6

port cost12-15

Port Fast parameter9-3

port priority12-13

root bridge12-9

STP bridge ID12-2

supervisor engine

configuring3-2to 3-6

copying files to standby34-7

default configuration3-1

default gateways3-4

environmental monitoring33-1

redundancy34-1

ROM monitor3-13

startup configuration3-12

static routes3-5

synchronizing configurations34-4

SVIs

and router ACLs24-3

switched packets, ACLs on24-19

Switched Port Analyzer

See SPAN

switching

NetFlow

configuration (example)30-9

configuring30-5

exporting cache entries30-5

switchport

show interfaces4-11

switchport access vlan command6-6, 6-8

switchport block multicast command27-2

switchport block unicast command27-2

switchport mode access command6-8

switchport mode dynamic command6-6

switchport mode trunk command6-6

switch ports

See access ports

switchport trunk allowed vlan command6-6

switchport trunk encapsulation command6-6

switchport trunk encapsulation dot1q command6-3

switchport trunk encapsulation isl command6-3

switchport trunk encapsulation negotiate command6-3

switchport trunk native vlan command6-6

switchport trunk pruning vlan command6-6

syslog messages33-2

system

reviewing configuration3-4

settings at startup3-14

system images

loading from Flash memory3-17

modifying boot field3-14

specifying3-17

T

TACACS+

setting passwords3-8

Telnet

accessing CLI2-2

disconnecting user sessions5-5

executing5-3

monitoring user sessions5-4

telnet command5-4

time exceeded messages5-7

timer

See login timer

Token Ring

media not supported (note)8-4, 11-3

TOS

description29-3

trace command5-7

Traceroute

See Layer 2 Traceroute

traceroute

See IP traceroute

traceroute mac command5-9

traceroute mac ip command5-9

traffic

blocking flooded27-2

traffic control

using ACLs (figure)24-4

using VLAN maps (figure)24-5

traffic shaping29-14

translational bridge numbers (defaults)8-4

transmit queues

See QoS transmit queues

transmit rate29-39

troubleshooting

with traceroute5-7

trunk ports

802.1x authentication not supported on26-8

configuring PVLAN10-9to 10-10

trunks

802.1Q restrictions6-5

configuring6-6

configuring access VLANs6-6

configuring allowed VLANs6-6

default interface configuration6-6

different VTP domains6-3

enabling to non-DTP device6-4

encapsulation6-3

specifying native VLAN6-6

understanding6-3

trusted boundary for QoS29-23

trust states

configuring29-35

type of service

See TOS

U

UDLD

default configuration18-2

disabling18-3

enabling18-3

overview18-1, 31-1

unauthorized ports with 802.1X26-4

unicast

See IP unicast

unicast flood blocking

configuring27-1

unicast traffic, blocking27-2

unidirectional ethernet

enabling7-1

example of setting7-1

overview7-1

UniDirectional Link Detection Protocol

See UDLD

UplinkFast

and MST14-2

enabling13-14

MST and14-3

overview13-5

user EXEC mode2-5

user sessions

disconnecting5-5

monitoring5-4

V

VACLs

Layer 4 port operations24-6

virtual LANs

See VLANs

VLAN ACLs

See VLAN maps

vlan command8-6, 8-7

vlan database command8-7

VLAN Management Policy Server

see VMPS

VLAN map

order of entries24-11

VLAN maps

applying24-14, 24-22

common uses for24-15

configuration example24-15

configuration guidelines24-11

configuring24-10

creating entries24-12

defined24-3

denying access example24-16

denying packets24-12

displaying24-17

examples24-16

permitting packets24-12

router ACLs and24-18

using (figure)24-5

VLAN Query Protocol (VQP)9-1

VLANs

allowed on trunk6-6

configuration guidelines8-3

configuring8-4

default configuration8-4

description1-4

extended range8-3

IDs (default)8-4

interface assignment8-8

name (default)8-4

normal range8-3

overview8-1

reserved range8-3

See also PVLANs

See also private VLANs

VLAN Trunking Protocol

See VTP

VLAN trunks

overview6-3

VMPS

administering9-5

configuration file example9-8

database configuration file9-8

dynamic port membership

configuring9-5

example9-9

overview9-2

reconfirming9-7

in a cluster of switches9-1

monitoring9-5

overview9-1

reconfirming membership9-7

reconfirming membership information9-7

voice interfaces

configuring35-1

Voice over IP

configuring35-1

voice ports

configuring VVID35-2

voice traffic33-16, 35-4

VTP

configuration guidelines11-5

configuring11-6to 11-10

configuring transparent mode11-9

default configuration11-5

disabling11-9

monitoring11-10

overview11-1

See also VTP version 2

VTP advertisements

description11-3

VTP clients

configuring11-8

VTP domains

description11-2

VTP modes11-2

VTP pruning

enabling11-6

overview11-3

VTP servers

configuring11-7

VTP statistics

displaying11-10

VTP version 2

enabling11-7

overview11-3

See also VTP

VVID

configuring35-2