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

10/100 autonegotiation feature, forced4-7

802.10 SAID (default)10-4

802.1Q

trunks14-6

tunneling

compatibility with other features19-5

defaults19-4

described19-2

tunnel ports with other features19-6

802.1Q VLANs

encapsulation12-3

trunk restrictions12-5

802.1s

See MST

802.1w

See MST

802.1X

See port-based authentication

802.1X authentication

for guest VLANs31-6

RADIUS accounting31-7

with port security31-6

with VLAN assignment31-5

with voice VLAN ports31-10

802.3ad

See LACP

A

abbreviating commands2-5

access control entries

See ACEs

access list filtering, SPAN enhancement39-13

access ports

and Layer 2 protocol tunneling19-9

configuring12-8

access VLANs12-6

accounting

configuring for 802.1X31-16

ACEs

ACLs35-2

Ethernet35-2

IP35-2

Layer 4 operation restrictions35-8

ACLs

ACEs35-2

and SPAN39-5

and TCAM programming35-6

applying on routed packets35-21

applying on switched packets35-20

compatibility on the same switch35-3

configuring with VLAN maps35-20

CPU impact35-9

hardware and software support35-5

IP, matching criteria for port ACLs35-4

MAC extended35-11

matching criteria for router ACLs35-3

port

and voice VLAN35-4

defined35-2

limitations35-4

processing35-9

types supported35-2

acronyms, list ofA-1

active queue management29-13

addresses

See MAC addresses

adjacency tables

description24-2

displaying statistics24-9

advertisements, VTP

See VTP advertisements

alarms

major7-2

minor7-2

asymmetrical links, and 802.1Q tunneling19-4

audiencexxi

authentication

See also port-based authentication

authentication server

defined31-3

RADIUS server31-3

authorized and unauthorized ports31-4

authorized ports with 802.1X31-4

autoconfiguration3-2

automatic QoS

See QoS

autonegotiation feature

forced 10/100Mbps4-7

Auto-QoS

configuring29-16

auto-sync command6-8

B

BackboneFast

adding a switch (figure)15-2

and MST16-2

configuring15-15

link failure (figure)15-7, 15-8

not supported MST16-2

understanding15-6

See also STP

BGP1-8

routing session with multi-VRF CE28-6

blocking packets37-1

blocking state (STP)

RSTP comparisons (table)16-4

boot bootldr command3-24

boot command3-21

boot fields

See configuration register boot fields

boot system command3-19, 3-24

boot system flash command3-21

Border Gateway Protocol

See BGP

boundary ports

description16-6

BPDU Guard

and MST16-2

configuring15-12

overview15-4

BPDUs

and media speed14-2

pseudobridges and16-5

what they contain14-3

bridge ID

See STP bridge ID

bridge priority (STP)14-16

bridge protocol data units

See BPDUs

broadcast storm control

disabling38-4

BSR

configuration example25-21

burst rate29-44

burst size29-27

C

candidate switch

defined9-12

requirements9-12

See also command switch and member switch

cautions for passwords

encrypting3-16

TACACS+3-15

CDP

and trusted boundary29-25

configuration20-2

displaying configuration20-3

enabling on interfaces20-3

Layer 2 protocol tunneling19-7

maintaining20-3

monitoring20-3

overview1-2, 20-1

cdp enable command20-3

CEF

adjacency tables24-2

configuring load balancing24-7

displaying statistics24-8

enabling24-6

hardware switching24-4

load balancing24-6

overview24-1

software switching24-4

CGMP

overview18-1

channel-group group command17-7, 17-10

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

Cisco IOS NSF-awareness support6-2

Cisco IP Phones

configuring30-2

Cisco IP phones

sound quality30-1

CIST

description16-2

class-map command29-28

class of service

See CoS

clear cdp counters command20-4

clear cdp table command20-3

clear counters command4-14

clearing

IP multicast table entries25-20

clear ip flow stats command40-8

CLI

accessing2-1

backing out one level2-5

getting commands2-5

history substitution2-3

managing clusters9-13

modes2-5

monitoring environments39-1

ROM monitor2-6

software basics2-4

clients

in 802.1X authentication31-2

clustering switches

command switch characteristics9-11, 9-12

and VTY9-12

managing

through CLI9-13

overview9-11

planning considerations

CLI9-13

command-line processing2-3

command modes2-5

commands

listing2-5

command switch

requirements9-11

common and internal spanning tree

See CIST

common spanning tree

See CST

community ports

description36-1

community VLANs

and SPAN features36-4

configure as a PVLAN36-5

description36-1

config-register command3-22

config terminal command3-9

configuration files

obtaining with DHCP3-6

saving3-10

configuration register

boot fields

listing value3-22

modifying3-21

changing settings3-21to 3-22

configuring3-19

settings at startup3-20

configure terminal command3-22, 4-2

console configuration mode2-5

console port

disconnecting user sessions5-5

monitoring user sessions5-4

copy running-config startup-config command3-10

copy system:running-config nvram:startup-config command3-24

CoS

configuring port value29-41

definition29-3

figure29-2

overriding on Cisco IP Phones30-3

priority30-3

CoS-to-DSCP maps29-46

counters

clearing MFIB25-20

clearing on interfaces4-14

CPU port sniffing39-10

CST

description16-5

IST and16-2

MST and16-2

customer edge devices28-2

D

default configuration

802.1X31-12

auto-QoS29-16

IGMP filtering18-17

Layer 2 protocol tunneling19-9

multi-VRF CE28-3

SPAN and RSPAN39-6

default gateway

configuring3-11

verifying configuration3-11

default ports

and support for 802.1X authentication31-13

description command4-9

detecting unidirectional links21-1

DHCP-based autoconfiguration

client request message exchange3-3

configuring

client side3-2

DNS3-5

relay device3-5

server-side3-3

TFTP server3-4

example3-7

lease options

for IP address information3-4

for receiving the configuration file3-4

overview3-2

relationship to BOOTP3-2

DHCP snooping

configuring33-3

default configuration33-3

displaying binding tables33-10

displaying configuration33-10

enabling33-4

enabling on private VLAN33-5

enabling the database agent33-6

monitoring33-9, 33-13, 33-14

overview33-1

Snooping database agent33-2

DHCP Snooping Database Agent

adding to the database (example)33-9

enabling (example)33-6

overview33-2

reading from a TFTP file (example)33-8

Differentiated Services Code Point values

See DSCP values

DiffServ architecture, QoS29-2

disabled state

RSTP comparisons (table)16-4

disabling

broadcast storm control38-4

disconnect command5-5

DNS

and DHCP-based autoconfiguration3-5

documentation

organizationxxi

relatedxxiii

double-tagged packets

802.1Q tunneling19-2

Layer 2 protocol tunneling19-9

drop threshold for Layer 2 protocol packets19-9

DSCP maps29-45

DSCP-to-CoS maps

configuring29-47

DSCP values

configuring maps29-45

configuring port value29-42

definition29-3

IP precedence29-2

mapping markdown29-23

mapping to transmit queues29-43

DTP

VLAN trunks and12-3

duplex command4-8

duplex mode

configuring interface4-7

Dynamic Host Configuration Protocol snooping

See DHCP snooping

dynamic port VLAN membership

limit on hosts11-9

reconfirming11-7

troubleshooting11-9

Dynamic Trunking Protocol

See DTP

E

EAP frame

request/identity31-3

response/identity31-3

EAP frames

changing retransmission time31-20

exchanging (figure)31-4

setting retransmission number31-21

EAPOL frames

802.1X authentication and31-2

OTP authentication, example (figure)31-4

start31-3

edge ports

description16-7

EGP

overview1-8

EIGRP

overview1-8

Embedded CiscoView

displaying information9-16

installing and configuring9-14

overview9-13

enable command3-9, 3-21

enable mode2-5

encapsulation types12-3

Enhanced Interior Gateway Routing Protocol

See EIGRP

environmental monitoring

LED indications7-2

SNMP traps7-2

supervisor engine7-2

switching modules7-2

using CLI commands7-1

EtherChannel

channel-group group command17-7, 17-10

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 command17-12

ports, 802.1X authentication not supported in31-13

removing17-14

removing interfaces17-13

explicit host tracking

enabling18-8

extended range VLANs

See VLANs

Extensible Authentication Protocol over LAN31-2

Exterior Gateway Protocol

See EGP

F

FastDrop

clearing entries25-20

displaying entries25-19

overview25-10

FIB

description24-2

See also MFIB

filtering

in a VLAN35-12

non-IP traffic35-11

flags25-11

Flash memory

configuring router to boot from3-24

loading system images from3-23

security precautions3-23

flooded traffic, blocking37-2

forward-delay time (STP)

configuring14-18

forwarding information base

See FIB

G

gateway

See default gateway

global configuration mode2-5

Guest-VLANs

configure with 802.1X31-17, 31-18

H

hardware and software ACL support35-5

hardware switching24-5

hello time (STP)

configuring14-17

history

CLI2-3

hop counts

configuring MST bridges16-7

host

configuring host statically18-8

limit on dynamic port11-9

Hot Standby Routing Protocol

See HSRP

HSRP

description1-6

hw-module module num power command7-15

I

ICMP

enabling5-10

ping5-5

running IP traceroute5-7

time exceeded messages5-7

IDS

using with SPAN and RSPAN39-2

IEEE 802.1s

See MST

IEEE 802.1w

See MST

IEEE 802.3ad

See LACP

IGMP

description25-3

enabling25-13

explicit host tracking18-3, 18-8

immediate-leave processing18-3

overview18-1

IGMP filtering

configuring18-17

default configuration18-17

described18-16

monitoring18-20

IGMP groups

setting the maximum number18-19

IGMP profile

applying18-18

configuration mode18-17

configuring18-17

IGMP snooping

configuration guidelines18-4

enabling18-5

IP multicast and25-4

monitoring18-11

overview18-1

IGRP

description1-8

immediate-leave processing

enabling18-7

IGMP

See fast-leave processing

ingress packets, SPAN enhancement39-12

inline power

configuring on Cisco IP phones30-4

Intelligent Power Management8-5

interface command3-9, 4-1

interface port-channel command17-7

interface range command4-4

interface range macro command4-5

interfaces

adding descriptive name4-9

clearing counters4-14

configuring4-2

configuring ranges4-4

displaying information about4-13

Layer 2 modes12-4

maintaining4-13

monitoring4-13

naming4-9

numbers4-2

overview4-1

restarting4-14

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

Intrusion Detection System

See IDS

IP

configuring default gateway3-11

configuring static routes3-11

displaying statistics24-8

flow switching cache40-8

IP addresses

candidate or member9-12

command switch9-12

See also IP information

ip cef command24-6

ip flow-aggregation cache destination-prefix command40-10

ip flow-aggregation cache prefix command40-10

ip flow-aggregation cache source-prefix command40-10

ip flow-export command40-8

ip icmp rate-limit unreachable command5-11

ip igmp profile command18-17

ip igmp snooping tcn flood command18-10

ip igmp snooping tcn flood query count command18-10

ip igmp snooping tcn query solicit command18-11

IP information

assigned

through DHCP-based autoconfiguration3-2

ip load-sharing per-destination command24-7

ip local policy route-map command26-5

ip mask-reply command5-12

IP multicast

clearing table entries25-20

configuring25-12

default configuration25-13

displaying PIM information25-15

displaying the routing table information25-16

enabling25-13

enabling dense-mode PIM25-14

enabling sparse-mode25-14

features not supported25-12

hardware forwarding25-8

IGMP snooping and18-4, 25-4

monitoring25-15

overview25-1

routing protocols25-2

software forwarding25-8

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

ip multicast-routing command25-13

IP phones

automatic classification and queueing29-16

configuring voice ports30-2

See Cisco IP Phones30-1

trusted boundary for QoS29-24

ip pim command25-14

ip pim dense-mode command25-14

ip pim sparse-dense-mode command25-15

ip policy route-map command26-4

ip redirects command5-11

ip route-cache flow command40-7

IP routing tables

deleting entries25-20

IP Source Guard

configuring33-11

configuring on private VLANs33-12

displaying33-13, 33-14

overview33-10

IP statistics

displaying24-8

IP traceroute

executing5-7

overview5-7

IP unicast

displaying statistics24-8

ip unreachables command5-10

IPX

redistribution of route information with EIGRP1-8

ISL

encapsulation12-3

trunking with 802.1Q tunneling19-4

isolated ports

description36-1

isolated VLANs

description36-1

IST

description16-2

master16-7

MST regions and16-2

J

jumbo frames

and ethernet ports4-11

configuring MTU sizes for4-12

ports and linecards that support4-10

VLAN interfaces4-11

K

keyboard shortcuts2-3

L

l2protocol-tunnel command19-11

labels

definition29-3

LACP

system ID17-4

Layer 2 access ports12-8

Layer 2 frames

classification with CoS29-2

Layer 2 interfaces

assigning VLANs10-8

configuring12-5

configuring as PVLAN host ports36-8

configuring as PVLAN promiscuous ports36-7

configuring as PVLAN trunk ports36-9

defaults12-5

disabling configuration12-9

modes12-4

show interfaces command12-7

Layer 2 interface type

resetting36-12

setting36-12

Layer 2 protocol tunneling

configuring19-9

default configuration19-9

defined19-7

guidelines19-10

Layer 2 switching

overview12-1

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

configuring12-6

overview12-3

Layer 3 packets

classification methods29-2

Layer 4 port operations

configuration guidelines35-8

restrictions35-8

LEDs

description (table)7-2

listening state (STP)

RSTP comparisons (table)16-4

load balancing

configuring for CEF24-7

configuring for EtherChannel17-12

overview17-5, 24-6

per-destination24-7

login timer

changing5-4

logoutwarning command5-4

loop guard

and MST16-2

configuring15-9

overview15-2

M

MAC addresses

allocating14-5

building tables12-2

convert dynamic to sticky secure32-2

displaying5-3

displaying in DHCP snooping binding table33-10

in ACLs35-11

sticky32-2

sticky secure, adding32-2

MAC extended access lists35-11

macros

See SmartPort macros

main-cpu command6-8

mapping

DSCP markdown values29-23

DSCP values to transmit queues29-43

mapping tables

configuring DSCP29-45

described29-13

mask destination command40-10

mask source command40-10

match ip address command26-3

maximum aging time (STP)

configuring14-18

member switch

defined9-11

managing9-13

requirements9-12

metro tags19-2

MFIB

CEF25-5

displaying25-18

overview25-11

modules

checking status5-1

powering down7-15

monitoring

802.1Q tunneling19-12

ACL information35-28

IGMP filters18-20

IGMP snooping18-11

Layer 2 protocol tunneling19-12

multi-VRF CE28-11

tunneling19-12

VLAN filters35-19

VLAN maps35-19

M-record16-2

MST

and multiple spanning trees1-4, 16-2

boundary ports16-6

BPDUs16-2

configuration parameters16-5

configuring16-9

displaying configurations16-13

edge ports16-7

enabling16-9

hop count16-7

instances

configuring parameters16-12

description16-2

number supported16-5

interoperability with PVST+16-2

link type16-7

master16-7

message age16-7

regions16-5, 16-6

restrictions16-8

to-SST interoperability16-4

MSTP

M-record16-2

M-tree16-2

M-tree16-2

MTU size

configuring4-12

default10-4

multicast

See IP multicast

multicast packets

blocking37-2

multicast routers

displaying routing tables25-16

flood suppression18-9

Multicast Storm Control

overview38-6

suppression on WS-X401438-7

suppression on WS-X401638-6

multiple forwarding paths1-4, 16-2

Multiple Spanning Tree

See MST

multiple VPN routing/forwarding

See multi-VRF CE

multi-VRF CE

components28-3

configuration example28-7

default configuration28-3

defined28-1

displaying28-11

monitoring28-11

network components28-3

packet-forwarding process28-3

N

native VLAN

and 802.1Q tunneling19-4

specifying12-6

NetFlow

aggregation

minimum mask,default value40-10

destination-prefix aggregation

configuration (example)40-15

minimum mask, configuring40-10

IP

flow switching cache40-8

prefix aggregation

configuration (example)40-13

minimum mask, configuring40-10

source-prefix aggregation

minimum mask, configuring40-10

switching

configuration (example)40-11

configuring40-7

exporting cache entries40-8

statistics40-8

NetFlow statistics

caveats on supervisor40-6

configuring collection40-6

implementing collection40-6

overview of collection40-1

Network Assistant

and VTY9-12

configure

display configuration9-9

enable communication with switch9-4

enable inter-cluster communication9-7

connect to a device9-10

default configuration9-3

installation requirements9-2

installing9-3

launch9-10

overview of CLI commands9-4

software and hardware requirements9-2

understanding9-2

network fault tolerance1-4, 16-2

network management

configuring20-1

Next Hop Resolution Protocol

See NHRP

NFFC/NFFC II

IGMP snooping and18-4

NHRP

support1-8

non-IP traffic filtering35-11

non-RPF traffic

description25-9

in redundant configurations (figure)25-10

nonvolatile random-access memory

See NVRAM

normal-range VLANs

See VLANs

NSF-awareness support6-2

NVRAM

saving settings3-10

O

OIR

overview4-13

online insertion and removal

See OIR

Open Shortest Path First

See OSPF

operating system images

See system images

OSPF

area concept1-7

description1-7

P

packets

modifying29-15

software processed

and QoS29-15

packet type filtering

overview39-14

SPAN enhancement39-14

PAgP

understanding17-3

passwords

configuring enable password3-14

configuring enable secret password3-14

encrypting3-15

recovering lost enable password3-18

setting line password3-14

setting TACACS+3-15

PBR (policy-based routing)

configuration (example)26-5

enabling26-3

features26-2

overview26-1

route maps26-2

when to use26-2

per-port and VLAN Access Control List33-10

Per-VLAN Rapid Spanning Tree14-6

enabling14-20

overview14-6

PE to CE routing, configuring28-6

PIM

configuring dense mode25-14

configuring sparse mode25-14

displaying information25-15

displaying statistics25-20

enabling sparse-dense mode25-14, 25-15

overview25-3

PIM-DM25-3

PIM-SM25-3

ping

executing5-6

overview5-5

ping command5-6, 25-15

PoE8-7

configuring power consumption for single device8-4

configuring power consumption for switch8-4

power consumption for powered devices

Intelligent Power Management8-5

overview8-3

supported cabling topology8-5

powering down a module7-15

power management modes8-1

show interface status8-6

point-to-point

in 802.1X authentication (figure)31-2, 31-8

police command29-32

policed-DSCP map29-46

policers

description29-5

types of29-9

policies

See QoS policies

policing

See QoS policing

policy-map command29-29, 29-31

policy maps

attaching to interfaces29-34

configuring29-30

port ACLs

and voice VLAN35-4

defined35-2

limitations35-4

Port Aggregation Protocol

see PAgP

port-based authentication

802.1X with voice VLAN31-10

changing the quiet period31-19

client, defined31-2

configuration guidelines31-13

configure 802.1X accounting31-16

configure switch-to-RADIUS server communication31-15

configure with Guest-VLANs31-17, 31-18

configuring Guest-VLAN31-15

configuring manual re-authentication of a client31-19

controlling authorization state31-4

default configuration31-12

described31-2

device roles31-2

disabling31-14

displaying statistics31-22

enabling31-13

enabling multiple hosts31-21

enabling periodic re-authentication31-18

encapsulation31-2

initiation and message exchange31-3

method lists31-13

ports not supported31-4

resetting to default values31-22

setting retransmission number31-21

setting retransmission time31-20

topologies, supported31-10

using with port security31-6

with VLAN assignment31-5

port-based QoS features

See QoS

port-channel interfaces

See also EtherChannel

creating17-6

overview17-2

port-channel load-balance

command17-12

command example17-12

port-channel load-balance command17-12

port cost (STP)

configuring14-15

PortFast

and MST16-2

BPDU filter, configuring15-12

configuring or enabling15-11

overview15-3

PortFast BPDU filtering

and MST16-2

enabling15-12

overview15-4

port priority

configuring MST instances16-12

configuring STP14-13

ports

blocking37-1

checking status5-2

community