Catalyst 3750 Switch Software Configuration Guide, 12.2(46)SE
Index

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 - W - X -

Index

Numerics

10-Gigabit Ethernet interfaces

configuration guidelines 11-17

defined 11-6

3750G integrated wireless LAN controller switch

configuring the switch A-4

controller and switch interaction A-3

internal ports

configuring A-4

reconfiguring A-5

A

AAA down policy, NAC Layer 2 IP validation 1-10

abbreviating commands 2-4

ABRs 37-25

AC (command switch) 6-10

access-class command 34-20

access control entries

See ACEs

access control entry (ACE) 40-3

access-denied response, VMPS 13-28

access groups

applying IPv4 ACLs to interfaces 34-21

Layer 2 34-21

Layer 3 34-21

accessing

clusters, switch 6-13

command switches 6-11

member switches 6-13

switch clusters 6-13

accessing stack members 5-23

access lists

See ACLs

access ports

and Layer 2 protocol tunneling 17-11

defined 11-3

in switch clusters 6-9

access template 8-1

accounting

with 802.1x 10-39

with IEEE 802.1x 10-9

with RADIUS 9-28

with TACACS+ 9-11, 9-17

ACEs

and QoS 35-6

defined 34-2

Ethernet 34-2

IP 34-2

ACLs

ACEs 34-2

any keyword 34-13

applying

on bridged packets 34-38

on multicast packets 34-40

on routed packets 34-39

on switched packets 34-38

time ranges to 34-17

to an interface 34-20, 40-7

to IPv6 interfaces 40-7

to QoS 35-6

classifying traffic for QoS 35-43

comments in 34-19

compiling 34-22

defined 34-1, 34-8

examples of 34-22, 35-43

extended IP, configuring for QoS classification 35-44

extended IPv4

creating 34-11

matching criteria 34-8

hardware and software handling 34-22

host keyword 34-13

IP

creating 34-8

fragments and QoS guidelines 35-33

implicit deny 34-10, 34-14, 34-16

implicit masks 34-10

matching criteria 34-8

undefined 34-21

IPv4

applying to interfaces 34-20

creating 34-8

matching criteria 34-8

named 34-15

numbers 34-8

terminal lines, setting on 34-19

unsupported features 34-7

IPv6

and stacking 40-3

applying to interfaces 40-7

configuring 40-4, 40-5

displaying 40-8

interactions with other features 40-4

limitations 40-3

matching criteria 40-3

named 40-3

precedence of 40-2

supported 40-2

unsupported features 40-3

Layer 4 information in 34-37

logging messages 34-9

MAC extended 34-27, 35-45

matching 34-8, 34-21, 40-3

monitoring 34-40, 40-8

named, IPv4 34-15

named, IPv6 40-3

names 40-4

number per QoS class map 35-33

port 34-2, 40-1

precedence of 34-2

QoS 35-6, 35-43

resequencing entries 34-15

router 34-2, 40-1

router ACLs and VLAN map configuration guidelines 34-37

standard IP, configuring for QoS classification 35-43

standard IPv4

creating 34-10

matching criteria 34-8

support for 1-9

support in hardware 34-22

time ranges 34-17

types supported 34-2

unsupported features, IPv4 34-7

unsupported features, IPv6 40-3

using router ACLs with VLAN maps 34-36

VLAN maps

configuration guidelines 34-30

configuring 34-29

active link 21-4, 21-5, 21-6

active links 21-2

active router 41-1

active traffic monitoring, IP SLAs 42-1

address aliasing 24-2

addresses

displaying the MAC address table 7-27

dynamic

accelerated aging 18-9

changing the aging time 7-21

default aging 18-9

defined 7-19

learning 7-20

removing 7-22

IPv6 38-2

MAC, discovering 7-27

multicast

group address range 45-3

STP address management 18-9

static

adding and removing 7-24

defined 7-19

address resolution 7-27, 37-9

Address Resolution Protocol

See ARP

adjacency tables, with CEF 37-79

administrative distances

defined 37-91

OSPF 37-32

routing protocol defaults 37-81

advanced IP services image 38-1

advertisements

CDP 26-1

LLDP 27-2

RIP 37-20

VTP 13-19, 14-3

aggregatable global unicast addresses 38-3

aggregate addresses, BGP 37-60

aggregated ports

See EtherChannel

aggregate policers 35-59

aggregate policing 1-11

aggregator template 5-9, 8-2

aging, accelerating 18-9

aging time

accelerated

for MSTP 19-23

for STP 18-9, 18-23

MAC address table 7-21

maximum

for MSTP 19-24

for STP 18-23, 18-24

alarms, RMON 30-3

allowed-VLAN list 13-21

AP1250 (Cisco wireless access point) 11-7

application engines, redirecting traffic to 44-1

area border routers

See ABRs

ARP

configuring 37-10

defined 1-6, 7-27, 37-9

encapsulation 37-11

static cache configuration 37-10

table

address resolution 7-27

managing 7-27

ASBRs 37-25

AS-path filters, BGP 37-54

asymmetrical links, and IEEE 802.1Q tunneling 17-4

attributes, RADIUS

vendor-proprietary 9-31

vendor-specific 9-29

authentication

EIGRP 37-40

HSRP 41-10

local mode with AAA 9-36

NTP associations 7-4

RADIUS

key 9-21

login 9-23

TACACS+

defined 9-11

key 9-13

login 9-14

See also port-based authentication

authentication failed VLAN

See restricted VLAN

authentication keys, and routing protocols 37-92

authoritative time source, described 7-2

authorization

with RADIUS 9-27

with TACACS+ 9-11, 9-16

authorized ports with IEEE 802.1x 10-7

autoconfiguration 3-3

automatic advise (auto-advise) in switch stacks 5-11

automatic copy (auto-copy) in switch stacks 5-11

automatic discovery

considerations

beyond a noncandidate device 6-8

brand new switches 6-9

connectivity 6-5

different VLANs 6-7

management VLANs 6-7

non-CDP-capable devices 6-6

noncluster-capable devices 6-6

routed ports 6-8

in switch clusters 6-5

See also CDP

automatic extraction (auto-extract) in switch stacks 5-11

automatic QoS

See QoS

automatic recovery, clusters 6-10

See also HSRP

automatic upgrades (auto-upgrade) in switch stacks 5-11

auto-MDIX

configuring 11-21

described 11-21

autonegotiation

duplex mode 1-4

interface configuration guidelines 11-18

mismatches 48-12

autonomous system boundary routers

See ASBRs

autonomous systems, in BGP 37-48

Auto-RP, described 45-6

autosensing, port speed 1-4

autostate exclude 11-6

auxiliary VLAN

See voice VLAN

availability, features 1-7

B

BackboneFast

described 20-7

disabling 20-17

enabling 20-16

support for 1-7

backup interfaces

See Flex Links

backup links 21-2

backup static routing, configuring 43-12

banners

configuring

login 7-18

message-of-the-day login 7-18

default configuration 7-17

when displayed 7-17

Berkeley r-tools replacement 9-48

BGP

aggregate addresses 37-60

aggregate routes, configuring 37-60

CIDR 37-60

clear commands 37-63

community filtering 37-57

configuring neighbors 37-58

default configuration 37-45

described 37-44

enabling 37-48

monitoring 37-63

multipath support 37-52

neighbors, types of 37-48

path selection 37-52

peers, configuring 37-58

prefix filtering 37-56

resetting sessions 37-50

route dampening 37-62

route maps 37-54

route reflectors 37-61

routing domain confederation 37-61

routing session with multi-VRF CE 37-74

show commands 37-63

supernets 37-60

support for 1-12

Version 4 37-45

binding cluster group and HSRP group 41-12

binding database

address, DHCP server

See DHCP, Cisco IOS server database

DHCP snooping

See DHCP snooping binding database

bindings

address, Cisco IOS DHCP server 22-6

DHCP snooping database 22-6

IP source guard 22-16

binding table, DHCP snooping

See DHCP snooping binding database

blocking packets 25-7

Boolean expressions in tracked lists 43-4

booting

boot loader, function of 3-2

boot process 3-2

manually 3-18

specific image 3-19

boot loader

accessing 3-19

described 3-2

environment variables 3-19

prompt 3-19

trap-door mechanism 3-2

bootstrap router (BSR), described 45-7

Border Gateway Protocol

See BGP

BPDU

error-disabled state 20-2

filtering 20-3

RSTP format 19-12

BPDU filtering

described 20-3

disabling 20-15

enabling 20-14

support for 1-8

BPDU guard

described 20-2

disabling 20-14

enabling 20-13

support for 1-8

bridged packets, ACLs on 34-38

bridge groups

See fallback bridging

bridge protocol data unit

See BPDU

broadcast flooding 37-17

broadcast packets

directed 37-14

flooded 37-14

broadcast storm-control command 25-4

broadcast storms 25-1, 37-14

C

cables, monitoring for unidirectional links 28-1

candidate switch

automatic discovery 6-5

defined 6-4

requirements 6-4

See also command switch, cluster standby group, and member switch

Catalyst 3750G wireless LAN controller switch

accessing the controller A-6

displaying controller information A-7

features A-2

interaction with the controller A-3

internal port configuration A-4

internal port EtherChannel A-4

internal ports A-3

internal VLAN A-3

reconfiguring the internal ports A-5

switch stacks A-2

CA trustpoint

configuring 9-45

defined 9-42

CDP

and trusted boundary 35-39

automatic discovery in switch clusters 6-5

configuring 26-2

default configuration 26-2

defined with LLDP 27-1

described 26-1

disabling for routing device26-3to 26-4

enabling and disabling

on an interface 26-4

on a switch 26-3

Layer 2 protocol tunneling 17-7

monitoring 26-5

overview 26-1

power negotiation extensions 11-7

support for 1-6

switch stack considerations 26-2

transmission timer and holdtime, setting 26-2

updates 26-2

CEF

defined 37-79

distributed 37-79

enabling 37-80

IPv6 38-18

CGMP

as IGMP snooping learning method 24-9

clearing cached group entries 45-61

enabling server support 45-44

joining multicast group 24-3

overview 45-9

server support only 45-9

switch support of 1-4

CIDR 37-60

CipherSuites 9-44

Cisco 7960 IP Phone 15-1

Cisco AP1250 wireless access point 11-7

Cisco Discovery Protocol

See CDP

Cisco Express Forwarding

See CEF

Cisco Group Management Protocol

See CGMP

Cisco intelligent power management 11-7

Cisco IOS DHCP server

See DHCP, Cisco IOS DHCP server

Cisco IOS File System

See IFS

Cisco IOS IP SLAs 42-1

Cisco StackWise technology 1-3

See also stacks, switch

CiscoWorks 2000 1-5, 32-4

CIST regional root

See MSTP

CIST root

See MSTP

civic location 27-3

classless interdomain routing

See CIDR

classless routing 37-8

class maps for QoS

configuring 35-46

described 35-7

displaying 35-79

class of service

See CoS

clearing interfaces 11-31

CLI

abbreviating commands 2-4

command modes 2-1

configuration logging 2-5

described 1-5

editing features

enabling and disabling 2-7

keystroke editing 2-7

wrapped lines 2-9

error messages 2-5

filtering command output 2-10

getting help 2-3

history

changing the buffer size 2-6

described 2-6

disabling 2-7

recalling commands 2-6

managing clusters 6-16

no and default forms of commands 2-4

client mode, VTP 14-3

client processes, tracking 43-1

clock

See system clock

clusters, switch

accessing 6-13

automatic discovery 6-5

automatic recovery 6-10

benefits 1-2

compatibility 6-4

described 6-1

LRE profile considerations 6-16

managing

through CLI 6-16

through SNMP 6-17

planning 6-4

planning considerations

automatic discovery 6-5

automatic recovery 6-10

CLI 6-16

host names 6-13

IP addresses 6-13

LRE profiles 6-16

passwords 6-13

RADIUS 6-15

SNMP 6-14, 6-17

switch stacks 6-14

TACACS+ 6-15

See also candidate switch, command switch, cluster standby group, member switch, and standby command switch

cluster standby group

and HSRP group 41-12

automatic recovery 6-12

considerations 6-11

defined 6-2

requirements 6-3

virtual IP address 6-11

See also HSRP

CNS 1-5

Configuration Engine

configID, deviceID, hostname 4-3

configuration service 4-2

described 4-1

event service 4-3

embedded agents

described 4-5

enabling automated configuration 4-6

enabling configuration agent 4-8

enabling event agent 4-7

management functions 1-5

Coarse Wave Division Multiplexer

See CWDM SFPs

command-line interface

See CLI

command modes 2-1

commands

abbreviating 2-4

no and default 2-4

commands, setting privilege levels 9-8

command switch

accessing 6-11

active (AC) 6-10

configuration conflicts 48-12

defined 6-2

passive (PC) 6-10

password privilege levels 6-16

priority 6-10

recovery

from command-switch failure 6-10, 48-8

from lost member connectivity 48-12

redundant 6-10

replacing

with another switch 48-10

with cluster member 48-9

requirements 6-3

standby (SC) 6-10

See also candidate switch, cluster standby group, member switch, and standby command switch

community list, BGP 37-57

community ports 16-2

community strings

configuring 6-14, 32-8

for cluster switches 32-4

in clusters 6-14

overview 32-4

SNMP 6-14

community VLANs 16-2, 16-3

compatibility, feature 25-12

compatibility, software

See stacks, switch

config.text 3-17

configurable leave timer, IGMP 24-6

configuration, initial

defaults 1-14

Express Setup 1-2

configuration changes, logging 31-11

configuration conflicts, recovering from lost member connectivity 48-12

configuration examples, network 1-17

configuration files

archiving C-19

clearing the startup configuration C-19

creating using a text editor C-10

default name 3-17

deleting a stored configuration C-19

described C-8

downloading

automatically 3-17

preparing C-10, C-13, C-16

reasons for C-8

using FTP C-13

using RCP C-17

using TFTP C-11

guidelines for creating and using C-9

guidelines for replacing and rolling back C-20

invalid combinations when copying C-5

limiting TFTP server access 32-16

obtaining with DHCP 3-9

password recovery disable considerations 9-5

replacing a running configuration C-19, C-20

rolling back a running configuration C-19, C-20

specifying the filename 3-17

system contact and location information 32-16

types and location C-10

uploading

preparing C-10, C-13, C-16

reasons for C-9

using FTP C-14

using RCP C-18

using TFTP C-12

configuration guidelines, multi-VRF CE 37-67

configuration logger 31-11

configuration logging 2-5

configuration replacement C-19

configuration rollback C-19

configuration settings, saving 3-15

configure terminal command 11-12

configuring port-based authentication violation modes10-31to 10-32

configuring small-frame arrival rate 25-5

config-vlan mode 2-2, 13-7

conflicts, configuration 48-12

connections, secure remote 9-37

connectivity problems 48-14, 48-15, 48-17

consistency checks in VTP Version 2 14-4

console port, connecting to 2-11

content-routing technology

See WCCP

control protocol, IP SLAs 42-4

corrupted software, recovery steps with Xmodem 48-2

CoS

in Layer 2 frames 35-2

override priority 15-6

trust priority 15-6

CoS input queue threshold map for QoS 35-16

CoS output queue threshold map for QoS 35-18

CoS-to-DSCP map for QoS 35-61

counters, clearing interface 11-31

crashinfo file 48-24

critical authentication, IEEE 802.1x 10-43

cross-stack EtherChannel

configuration guidelines 36-13

configuring

on Layer 2 interfaces 36-13

on Layer 3 physical interfaces 36-16

described 36-3

illustration 36-4

support for 1-7

cross-stack UplinkFast, STP

described 20-5

disabling 20-16

enabling 20-16

fast-convergence events 20-7

Fast Uplink Transition Protocol 20-6

normal-convergence events 20-7

support for 1-7

cryptographic software image

Kerberos 9-32

SSH 9-37

SSL 9-42

switch stack considerations 5-2, 5-16, 9-38

customer edge devices 37-65

CWDM SFPs 1-27

D

daylight saving time 7-13

dCEF, in the switch stack 37-79

debugging

enabling all system diagnostics 48-21

enabling for a specific feature 48-20

redirecting error message output 48-21

using commands 48-20

default commands 2-4

default configuration

802.1x 10-25

auto-QoS 35-20

banners 7-17

BGP 37-45

booting 3-17

CDP 26-2

DHCP 22-8

DHCP option 82 22-8

DHCP snooping 22-8

DHCP snooping binding database 22-9

DNS 7-16

dynamic ARP inspection 23-5

EIGRP 37-36

EtherChannel 36-11

Ethernet interfaces 11-16

fallback bridging 47-3

Flex Links 21-7, 21-8

HSRP 41-5

IEEE 802.1Q tunneling 17-4

IGMP 45-38

IGMP filtering 24-25

IGMP snooping 24-7, 39-5, 39-6

IGMP throttling 24-25

initial switch information 3-3

IP addressing, IP routing 37-6

IP multicast routing 45-10

IP SLAs 42-6

IP source guard 22-17

IPv6 38-10

Layer 2 interfaces 11-16

Layer 2 protocol tunneling 17-11

LLDP 27-3

MAC address table 7-21

MAC address-table move update 21-8

MSDP 46-4

MSTP 19-15

multi-VRF CE 37-67

MVR 24-20

NTP 7-4

optional spanning-tree configuration 20-12

OSPF 37-26

password and privilege level 9-2

PIM 45-10

private VLANs 16-6

RADIUS 9-20

RIP 37-20

RMON 30-3

RSPAN 29-11

SDM template 8-5

SNMP 32-7

SPAN 29-11

SSL 9-44

standard QoS 35-30

STP 18-13

switch stacks 5-19

system message logging 31-4

system name and prompt 7-15

TACACS+ 9-13

UDLD 28-4

VLAN, Layer 2 Ethernet interfaces 13-19

VLANs 13-8

VMPS 13-29

voice VLAN 15-3

VTP 14-7

WCCP 44-5

default gateway 3-15, 37-12

default networks 37-82

default router preference

See DRP

default routes 37-82

default routing 37-3

deleting VLANs 13-10

denial-of-service attack 25-1

description command 11-25

designing your network, examples 1-17

desktop template 5-9, 8-2

destination addresses

in IPv4 ACLs 34-12

in IPv6 ACLs 40-5

destination-IP address-based forwarding, EtherChannel 36-9

destination-MAC address forwarding, EtherChannel 36-9

detecting indirect link failures, STP 20-8

device C-23

device discovery protocol 26-1, 27-1

device manager

benefits 1-2

described 1-2, 1-5

in-band management 1-6

upgrading a switch C-23

DHCP

Cisco IOS server database

configuring 22-14

default configuration 22-9

described 22-6

DHCP for IPv6

See DHCPv6

enabling

relay agent 22-11

server 22-10

DHCP-based autoconfiguration

client request message exchange 3-4

configuring

client side 3-4

DNS 3-7

relay device 3-8

server side 3-6

server-side 22-10

TFTP server 3-7

example 3-10

lease options

for IP address information 3-6

for receiving the configuration file 3-7

overview 3-3

relationship to BOOTP 3-4

relay support 1-6, 1-13

support for 1-5

DHCP-based autoconfiguration and image update

configuring3-11to 3-14

understanding3-5to 3-6

DHCP binding database

See DHCP snooping binding database

DHCP binding table

See DHCP snooping binding database

DHCP object tracking, configuring primary interface 43-11

DHCP option 82

circuit ID suboption 22-5

configuration guidelines 22-9

default configuration 22-8

displaying 22-15

forwarding address, specifying 22-11

helper address 22-11

overview 22-3

packet format, suboption

circuit ID 22-5

remote ID 22-5

remote ID suboption 22-5

DHCP server port-based address allocation

configuration guidelines 22-20

default configuration 22-20

described 22-19

displaying 22-22

enabling 22-20

DHCP server port-based address assignment

support for 1-6

DHCP snooping

accepting untrusted packets form edge switch 22-3, 22-13

and private VLANs 22-14

binding database

See DHCP snooping binding database

configuration guidelines 22-9

default configuration 22-8

displaying binding tables 22-15

message exchange process 22-4

option 82 data insertion 22-3

trusted interface 22-2

untrusted interface 22-2

untrusted messages 22-2

DHCP snooping binding database

adding bindings 22-14

binding file

format 22-7

location 22-6

bindings 22-6

clearing agent statistics 22-15

configuration guidelines 22-9

configuring 22-14

default configuration 22-8, 22-9

deleting

binding file 22-15

bindings 22-15

database agent 22-15

described 22-6

displaying 22-15

binding entries 22-15

status and statistics 22-15

enabling 22-14

entry 22-6

renewing database 22-15

resetting

delay value 22-15

timeout value 22-15

DHCP snooping binding table

See DHCP snooping binding database

DHCPv6

configuration guidelines 38-15

default configuration 38-15

described 38-6

enabling client function 38-17

enabling DHCPv6 server function 38-15

support for 1-13

Differentiated Services architecture, QoS 35-2

Differentiated Services Code Point 35-2

Diffusing Update Algorithm (DUAL) 37-35

directed unicast requests 1-6

directories

changing C-4

creating and removing C-4

displaying the working C-4

discovery, clusters

See automatic discovery

Distance Vector Multicast Routing Protocol

See DVMRP

distance-vector protocols 37-3

distribute-list command 37-91

DNS

and DHCP-based autoconfiguration 3-7

default configuration 7-16

displaying the configuration 7-17

in IPv6 38-4

overview 7-15

setting up 7-16

support for 1-5

DNS-based SSM mapping 45-18, 45-20

domain names

DNS 7-15

VTP 14-8

Domain Name System

See DNS

dot1q-tunnel switchport mode 13-18

double-tagged packets

IEEE 802.1Q tunneling 17-2

Layer 2 protocol tunneling 17-10

downloading

configuration files

preparing C-10, C-13, C-16

reasons for C-8

using FTP C-13

using RCP C-17

using TFTP C-11

image files

deleting old image C-27

preparing C-25, C-29, C-34

reasons for C-23

using CMS 1-3

using FTP C-30

using HTTP 1-3, C-23

using RCP C-35

using TFTP C-26

using the device manager or Network Assistant C-23

drop threshold for Layer 2 protocol packets 17-11

DRP

configuring 38-13

described 38-4

IPv6 38-4

support for 1-13

DSCP 1-11, 35-2

DSCP input queue threshold map for QoS 35-16

DSCP output queue threshold map for QoS 35-18

DSCP-to-CoS map for QoS 35-64

DSCP-to-DSCP-mutation map for QoS 35-65

DSCP transparency 35-40

DTP 1-8, 13-17

dual-action detection 36-6

DUAL finite state machine, EIGRP 37-35

dual IPv4 and IPv6 templates 8-2, 38-5, 38-6

dual protocol stacks

IPv4 and IPv6 38-5

SDM templates supporting 38-6

DVMRP

autosummarization

configuring a summary address 45-58

disabling 45-60

connecting PIM domain to DVMRP router 45-51

enabling unicast routing 45-54

interoperability

with Cisco devices 45-49

with Cisco IOS software 45-9

mrinfo requests, responding to 45-53

neighbors

advertising the default route to 45-52

discovery with Probe messages 45-49

displaying information 45-53

prevent peering with nonpruning 45-56

rejecting nonpruning 45-55

overview 45-8

routes

adding a metric offset 45-60

advertising all 45-60

advertising the default route to neighbors 45-52

caching DVMRP routes learned in report messages 45-54

changing the threshold for syslog messages 45-57

deleting 45-61

displaying 45-62

favoring one over another 45-60

limiting the number injected into MBONE 45-57

limiting unicast route advertisements 45-49

routing table 45-9

source distribution tree, building 45-9

support for 1-13

tunnels

configuring 45-51

displaying neighbor information 45-53

dynamic access ports

characteristics 13-3

configuring 13-30

defined 11-3

dynamic addresses

See addresses

dynamic ARP inspection

ARP cache poisoning 23-1

ARP requests, described 23-1

ARP spoofing attack 23-1

clearing

log buffer 23-16

statistics 23-15

configuration guidelines 23-6

configuring

ACLs for non-DHCP environments 23-8

in DHCP environments 23-7

log buffer 23-13

rate limit for incoming ARP packets 23-4, 23-11

default configuration 23-5

denial-of-service attacks, preventing 23-11

described 23-1

DHCP snooping binding database 23-2

displaying

ARP ACLs 23-15

configuration and operating state 23-15

log buffer 23-16

statistics 23-15

trust state and rate limit 23-15

error-disabled state for exceeding rate limit 23-4

function of 23-2

interface trust states 23-3

log buffer

clearing 23-16

configuring 23-13

displaying 23-16

logging of dropped packets, described 23-5

man-in-the middle attack, described 23-2

network security issues and interface trust states 23-3

priority of ARP ACLs and DHCP snooping entries 23-4

rate limiting of ARP packets

configuring 23-11

described 23-4

error-disabled state 23-4

statistics

clearing 23-15

displaying 23-15

validation checks, performing 23-12

dynamic auto trunking mode 13-18

dynamic desirable trunking mode 13-18

Dynamic Host Configuration Protocol

See DHCP-based autoconfiguration

dynamic port VLAN membership

described 13-28

reconfirming 13-31

troubleshooting 13-33

types of connections 13-30

dynamic routing 37-3

Dynamic Trunking Protocol

See DTP

E

EBGP 37-43

editing features

enabling and disabling 2-7

keystrokes used 2-7

wrapped lines 2-9

EIGRP

authentication 37-40

components 37-35

configuring 37-39

default configuration 37-36

definition 37-35

interface parameters, configuring 37-40

monitoring 37-42

stub routing 37-41

elections

See stack master

ELIN location 27-3

embedded event manager

actions 33-3

configuring 33-1, 33-5

displaying information 33-7

environmental variables 33-4

event detectors 33-2

policies 33-4

registering and defining an applet 33-5

registering and defining a TCL script 33-6

understanding 33-1

enable password 9-3

enable secret password 9-3

encryption, CipherSuite 9-44

encryption for passwords 9-3

Enhanced IGRP

See EIGRP

enhanced object tracking

backup static routing 43-12

commands 43-1

defined 43-1

DHCP primary interface 43-11

HSRP 43-7

IP routing state 43-2

IP SLAs 43-9

line-protocol state 43-2

network monitoring with IP SLAs 43-11

routing policy, configuring 43-12

static route primary interface 43-10

tracked lists 43-3

enhanced object tracking static routing 43-10

enhanced PoE 11-7

environmental variables, embedded event manager 33-4

environment variables, function of 3-20

equal-cost routing 1-12, 37-80

error-disabled state, BPDU 20-2

error messages during command entry 2-5

EtherChannel

automatic creation of 36-5, 36-7

channel groups

binding physical and logical interfaces 36-4

numbering of 36-4

configuration guidelines 36-12

configuring

Layer 2 interfaces 36-13

Layer 3 physical interfaces 36-16

Layer 3 port-channel logical interfaces 36-15

default configuration 36-11

described 36-2

displaying status 36-23

forwarding methods 36-8, 36-18

IEEE 802.3ad, described 36-7

interaction

with STP 36-12

with VLANs 36-12

LACP

described 36-7

displaying status 36-23

hot-standby ports 36-20

interaction with other features 36-8

modes 36-7

port priority 36-22

system priority 36-21

Layer 3 interface 37-5

load balancing 36-8, 36-18

logical interfaces, described 36-4

PAgP

aggregate-port learners 36-19

compatibility with Catalyst 1900 36-19

described 36-5

displaying status 36-23

interaction with other features 36-7

interaction with virtual switches 36-6

learn method and priority configuration 36-19

modes 36-6

support for 1-4

with dual-action detection 36-6

port-channel interfaces

described 36-4

numbering of 36-4

port groups 11-6

stack changes, effects of 36-10

support for 1-4

EtherChannel guard

described 20-10

disabling 20-17

enabling 20-17

Ethernet VLANs

adding 13-9

defaults and ranges 13-8

modifying 13-9

EUI 38-3

event detectors, embedded event manager 33-2

events, RMON 30-3

examples

network configuration 1-17

expedite queue for QoS 35-78

Express Setup 1-2

See also getting started guide

extended crashinfo file 48-24

extended-range VLANs

configuration guidelines 13-13

configuring 13-12

creating 13-14

creating with an internal VLAN ID 13-15

defined 13-1

extended system ID

MSTP 19-17

STP 18-4, 18-16

extended universal identifier

See EUI

Extensible Authentication Protocol over LAN 10-1

external BGP

See EBGP

external neighbors, BGP 37-48

F

fa0 interface 1-7

failover support 1-7

fallback bridging

and protected ports 47-4

bridge groups

creating 47-4

described 47-2

displaying 47-11

function of 47-2

number supported 47-5

removing 47-5

bridge table

clearing 47-11

displaying 47-11

configuration guidelines 47-4

connecting interfaces with 11-10

default configuration 47-3

described 47-1

frame forwarding

flooding packets 47-2

forwarding packets 47-2

overview 47-1

protocol, unsupported 47-4

stack changes, effects of 47-3

STP

disabling on an interface 47-10

forward-delay interval 47-9

hello BPDU interval 47-8

interface priority 47-7

keepalive messages 18-2

maximum-idle interval 47-9

path cost 47-7

VLAN-bridge spanning-tree priority 47-6

VLAN-bridge STP 47-2

support for 1-12

SVIs and routed ports 47-1

unsupported protocols 47-4

VLAN-bridge STP 18-11

Fast Convergence 21-3

Fast Uplink Transition Protocol 20-6

features, incompatible 25-12

FIB 37-79

fiber-optic, detecting unidirectional links 28-1

files

basic crashinfo

description 48-24

location 48-24

copying C-5

crashinfo, description 48-24

deleting C-5

displaying the contents of C-8

extended crashinfo

description 48-24

location 48-24

tar

creating C-6

displaying the contents of C-7

extracting C-7

image file format C-24

file system

displaying available file systems C-2

displaying file information C-3

local file system names C-1

network file system names C-5

setting the default C-3

filtering

in a VLAN 34-29

IPv6 traffic 40-4, 40-7

non-IP traffic 34-27

show and more command output 2-10

filtering show and more command output 2-10

filters, IP

See ACLs, IP

flash device, number of C-1

Flex Link Multicast Fast Convergence 21-3

Flex Links

configuration guidelines 21-8

configuring 21-8, 21-9

configuring preferred VLAN 21-11

configuring VLAN load balancing 21-10

default configuration 21-7

description 21-1

link load balancing 21-2

monitoring 21-14

VLANs 21-2

flooded traffic, blocking 25-8

flow-based packet classification 1-11

flowcharts

QoS classification 35-6

QoS egress queueing and scheduling 35-17

QoS ingress queueing and scheduling 35-15

QoS policing and marking 35-10

flowcontrol

configuring 11-20

described 11-20

forward-delay time

MSTP 19-23

STP 18-23

Forwarding Information Base

See FIB

forwarding nonroutable protocols 47-1

FTP

accessing MIB files B-3

configuration files

downloading C-13

overview C-12

preparing the server C-13

uploading C-14

image files

deleting old image C-32

downloading C-30

preparing the server C-29

uploading C-32

G

general query 21-5

Generating IGMP Reports 21-3

get-bulk-request operation 32-3

get-next-request operation 32-3, 32-5

get-request operation 32-3, 32-5

get-response operation 32-3

Gigabit modules

See SFPs

global configuration mode 2-2

global leave, IGMP 24-13

guest VLAN and 802.1x 10-13

guide mode 1-3

GUIs

See device manager and Network Assistant

H

hardware limitations and Layer 3 interfaces 11-27

hello time

MSTP 19-22

STP 18-22

help, for the command line 2-3

hierarchical policy maps 35-7

configuration guidelines 35-33

configuring 35-52

described 35-11

history

changing the buffer size 2-6

described 2-6

disabling 2-7

recalling commands 2-6

history table, level and number of syslog messages 31-10

host names, in clusters 6-13

host ports

configuring 16-11

kinds of 16-2

hosts, limit on dynamic ports 13-33

Hot Standby Router Protocol

See HSRP

HP OpenView 1-5

HSRP

authentication string 41-10

automatic cluster recovery 6-12

binding to cluster group 41-12

cluster standby group considerations 6-11

command-switch redundancy 1-1, 1-7

configuring 41-5

default configuration 41-5

definition 41-1

guidelines 41-6

monitoring 41-12

object tracking 43-7

overview 41-1

priority 41-8

routing redundancy 1-12

support for ICMP redirect messages 41-12

switch stack considerations 41-5

timers 41-11

tracking 41-8

See also clusters, cluster standby group, and standby command switch

HSRP for IPv6

configuring 38-24

guidelines 38-23

HTTP over SSL

see HTTPS

HTTPS 9-42

configuring 9-46

self-signed certificate 9-43

HTTP secure server 9-42

I

IBPG 37-43

ICMP

IPv6 38-4

redirect messages 37-12

support for 1-13

time-exceeded messages 48-17

traceroute and 48-17

unreachable messages 34-20

unreachable messages and IPv6 40-4

unreachables and ACLs 34-22

ICMP Echo operation

configuring 42-11

IP SLAs 42-11

ICMP ping

executing 48-14

overview 48-14

ICMP Router Discovery Protocol

See IRDP

ICMPv6 38-4

IDS appliances

and ingress RSPAN 29-22

and ingress SPAN 29-15

IEEE 802.1D

See STP

IEEE 802.1p 15-1

IEEE 802.1Q

and trunk ports 11-3

configuration limitations 13-19

encapsulation 13-16

native VLAN for untagged traffic 13-23

tunneling

compatibility with other features 17-6

defaults 17-4

described 17-1

tunnel ports with other features 17-6

IEEE 802.1s

See MSTP

IEEE 802.1w

See RSTP

IEEE 802.1x

See port-based authentication

IEEE 802.3ad

See EtherChannel

IEEE 802.3af

See PoE

IEEE 802.3x flow control 11-20

ifIndex values, SNMP 32-6

IFS 1-6

IGMP

configurable leave timer

described 24-6

enabling 24-11

configuring the switch

as a member of a group 45-39

statically connected member 45-43

controlling access to groups 45-40

default configuration 45-38

deleting cache entries 45-62

displaying groups 45-62

fast switching 45-43

flooded multicast traffic

controlling the length of time 24-12

disabling on an interface 24-13

global leave 24-13

query solicitation 24-13

recovering from flood mode 24-13

host-query interval, modifying 45-41

joining multicast group 24-3

join messages 24-3

leave processing, enabling 24-11, 39-9

leaving multicast group 24-5

multicast reachability 45-39

overview 45-3

queries 24-4

report suppression

described 24-6

disabling 24-16, 39-11

supported versions 24-3

support for 1-4

Version 1

changing to Version 2 45-41

described 45-3

Version 2

changing to Version 1 45-41

described 45-3

maximum query response time value 45-43

pruning groups 45-43

query timeout value 45-42

IGMP filtering

configuring 24-25

default configuration 24-25

described 24-24

monitoring 24-29

support for 1-4

IGMP groups

configuring filtering 24-28

setting the maximum number 24-27

IGMP helper 1-4, 45-6

IGMP Immediate Leave

configuration guidelines 24-11

described 24-5

enabling 24-11

IGMP profile

applying 24-26

configuration mode 24-25

configuring 24-26

IGMP snooping

and address aliasing 24-2

and stack changes 24-7

configuring 24-7

default configuration 24-7, 39-5, 39-6

definition 24-2

enabling and disabling 24-8, 39-6

global configuration 24-8

Immediate Leave 24-5

in the switch stack 24-6

method 24-8

monitoring 24-16, 39-11

querier

configuration guidelines 24-14

configuring 24-14

supported versions 24-3

support for 1-4

VLAN configuration 24-8

IGMP throttling

configuring 24-28

default configuration 24-25

described 24-25

displaying action 24-29

IGP 37-25

Immediate Leave, IGMP 24-5

enabling 39-9

inaccessible authentication bypass 10-15

initial configuration

defaults 1-14

Express Setup 1-2

integrated wireless LAN controller switch

see 3750G integrated wireless LAN controller switch

interface

number 11-11

range macros 11-14

interface command11-11to 11-12

interface configuration mode 2-3

interfaces

auto-MDIX, configuring 11-21

configuration guidelines

10-Gigabit Ethernet 11-17

duplex and speed 11-18

configuring

procedure 11-12

counters, clearing 11-31

default configuration 11-16

described 11-25

descriptive name, adding 11-25

displaying information about 11-30

flow control 11-20

management 1-5

monitoring 11-30

naming 11-25

physical, identifying 11-11

range of 11-12

restarting 11-32

shutting down 11-32

speed and duplex, configuring 11-18

status 11-30

supported 11-11

types of 11-1

interfaces range macro command 11-14

interface types 11-11

Interior Gateway Protocol

See IGP

internal BGP

See IBGP

internal neighbors, BGP 37-48

Internet Control Message Protocol

See ICMP

Internet Group Management Protocol

See IGMP

Internet Protocol version 6

See IPv6

Inter-Switch Link

See ISL

inter-VLAN routing 1-12, 37-2

Intrusion Detection System

See IDS appliances

inventory management TLV 27-2, 27-6

IP ACLs

for QoS classification 35-6

implicit deny 34-10, 34-14

implicit masks 34-10

named 34-15

undefined 34-21

IP addresses

128-bit 38-2

candidate or member 6-4, 6-13

classes of 37-7

cluster access 6-2

command switch 6-3, 6-11, 6-13

default configuration 37-6

discovering 7-27

for IP routing 37-5

IPv6 38-2

MAC address association 37-9

monitoring 37-18

redundant clusters 6-11

standby command switch 6-11, 6-13

See also IP information

IP base image 1-1

IP broadcast address 37-16

ip cef distributed command 37-79

IP directed broadcasts 37-14

ip igmp profile command 24-25

IP information

assigned

manually 3-14

through DHCP-based autoconfiguration 3-3

default configuration 3-3

IP multicast routing

addresses

all-hosts 45-3

all-multicast-routers 45-3

host group address range 45-3

administratively-scoped boundaries, described 45-46

and IGMP snooping 24-2

Auto-RP

adding to an existing sparse-mode cloud 45-26

benefits of 45-26

clearing the cache 45-62

configuration guidelines 45-12

filtering incoming RP announcement messages 45-29

overview 45-6

preventing candidate RP spoofing 45-29

preventing join messages to false RPs 45-28

setting up in a new internetwork 45-26

using with BSR 45-34

bootstrap router

configuration guidelines 45-12

configuring candidate BSRs 45-32

configuring candidate RPs 45-33

defining the IP multicast boundary 45-31

defining the PIM domain border 45-30

overview 45-7

using with Auto-RP 45-34

Cisco implementation 45-2

configuring

basic multicast routing 45-12

IP multicast boundary 45-46

default configuration 45-10

enabling

multicast forwarding 45-13

PIM mode 45-13

group-to-RP mappings

Auto-RP 45-6

BSR 45-7

MBONE

deleting sdr cache entries 45-62

described 45-45

displaying sdr cache 45-63

enabling sdr listener support 45-46

limiting DVMRP routes advertised 45-57

limiting sdr cache entry lifetime 45-46

SAP packets for conference session announcement 45-45

Session Directory (sdr) tool, described 45-45

monitoring

packet rate loss 45-63

peering devices 45-63

tracing a path 45-63

multicast forwarding, described 45-7

PIMv1 and PIMv2 interoperability 45-11

protocol interaction 45-2

reverse path check (RPF) 45-7

routing table

deleting 45-62

displaying 45-62

RP

assigning manually 45-24

configuring Auto-RP 45-26

configuring PIMv2 BSR 45-30

monitoring mapping information 45-34

using Auto-RP and BSR 45-34

stacking

stack master functions 45-9

stack member functions 45-9

statistics, displaying system and network 45-62

See also CGMP

See also DVMRP

See also IGMP

See also PIM

IP phones

and QoS 15-1

automatic classification and queueing 35-20

configuring 15-4

ensuring port security with QoS 35-38

trusted boundary for QoS 35-38

IP precedence 35-2

IP-precedence-to-DSCP map for QoS 35-62

IP protocols

in ACLs 34-12

routing 1-12

IP routes, monitoring 37-93

IP routing

connecting interfaces with 11-10

disabling 37-19

enabling 37-19

IP Service Level Agreements

See IP SLAs

IP service levels, analyzing 42-1

IP services image 1-1

IP SLAs

benefits 42-2

configuration guidelines 42-6

configuring object tracking 43-9

Control Protocol 42-4

default configuration 42-6

definition 42-1

ICMP echo operation 42-11

measuring network performance 42-3

monitoring 42-13

multioperations scheduling 42-5

object tracking 43-9

operation 42-3

reachability tracking 43-9

responder

described 42-4

enabling 42-8

response time 42-4

scheduling 42-5

SNMP support 42-2

supported metrics 42-2

threshold monitoring 42-6

track object monitoring agent, configuring 43-11

track state 43-9

UDP jitter operation 42-8

IP source guard

and 802.1x 22-18

and DHCP snooping 22-16

and EtherChannels 22-18

and port security 22-17

and private VLANs 22-18

and routed ports 22-17

and TCAM entries 22-18

and trunk interfaces 22-17

and VRF 22-18

binding configuration

automatic 22-16

manual 22-16

binding table 22-16

configuration guidelines 22-17

default configuration 22-17

described 22-16

disabling 22-19

displaying

bindings 22-19

configuration 22-19

enabling 22-18

filtering

source IP address 22-16

source IP and MAC address 22-17

on provisioned switches 22-18

source IP address filtering 22-16

source IP and MAC address filtering 22-17

static bindings

adding 22-18

deleting 22-19

IP traceroute

executing 48-18

overview 48-17

IP unicast routing

address resolution 37-9

administrative distances 37-81, 37-91

ARP 37-9

assigning IP addresses to Layer 3 interfaces 37-7

authentication keys 37-92

broadcast

address 37-16

flooding 37-17

packets 37-14

storms 37-14

classless routing 37-8

configuring static routes 37-81

default

addressing configuration 37-6

gateways 37-12

networks 37-82

routes 37-82

routing 37-3

directed broadcasts 37-14

disabling 37-19

dynamic routing 37-3

enabling 37-19

EtherChannel Layer 3 interface 37-5

IGP 37-25

inter-VLAN 37-2

IP addressing

classes 37-7

configuring 37-5

IPv6 38-3

IRDP 37-12

Layer 3 interfaces 37-5

MAC address and IP address 37-9

passive interfaces 37-90

protocols

distance-vector 37-3

dynamic 37-3

link-state 37-3

proxy ARP 37-9

redistribution 37-83

reverse address resolution 37-9

routed ports 37-5

static routing 37-3

steps to configure 37-5

subnet mask 37-7

subnet zero 37-7

supernet 37-8

UDP 37-15

with SVIs 37-5

See also BGP

See also EIGRP

See also OSPF

See also RIP

IPv4 ACLs

applying to interfaces 34-20

extended, creating 34-11

named 34-15

standard, creating 34-10

IPv4 and IPv6

dual protocol stacks 38-5

IPv6

ACLs

displaying 40-8

limitations 40-3

matching criteria 40-3

port 40-1

precedence 40-2

router 40-1

supported 40-2

addresses 38-2

address formats 38-2

and switch stacks 38-9

applications 38-5

assigning address 38-11

autoconfiguration 38-5

CEFv6 38-18

configuring static routes 38-19

default configuration 38-10

default router preference (DRP) 38-4

defined 38-1

Enhanced Interior Gateway Routing Protocol (EIGRP) IPv6 38-7

EIGRP IPv6 Commands 38-7

Router ID 38-7

feature limitations 38-8

features not supported 38-8

forwarding 38-11

ICMP 38-4

monitoring 38-26

neighbor discovery 38-4

OSPF 38-6

path MTU discovery 38-4

SDM templates 8-2, 39-1, 40-1

stack master functions 38-9

Stateless Autoconfiguration 38-5

supported features 38-2

switch limitations 38-8

understanding static routes 38-6

IPv6 traffic, filtering 40-4

IRDP

configuring 37-13

definition 37-12

support for 1-13

ISL

and IPv6 38-3

and trunk ports 11-3

encapsulation 1-8, 13-16

trunking with IEEE 802.1 tunneling 17-4

isolated port 16-2

isolated VLANs 16-2, 16-3

J

join messages, IGMP 24-3

K

KDC

described 9-32

See also Kerberos

keepalive messages 18-2

Kerberos

authenticating to

boundary switch 9-34

KDC 9-34

network services 9-35

configuration examples 9-32

configuring 9-35

credentials 9-32

cryptographic software image 9-32

described 9-32

KDC 9-32

operation 9-34

realm 9-33

server 9-33

support for 1-11

switch as trusted third party 9-32

terms 9-33

TGT 9-34

tickets 9-32

key distribution center

See KDC

L

l2protocol-tunnel command 17-13

LACP

Layer 2 protocol tunneling 17-9

See EtherChannel

LAN base image 40-1

Layer 2 frames, classification with CoS 35-2

Layer 2 interfaces, default configuration 11-16

Layer 2 protocol tunneling

configuring 17-10

configuring for EtherChannels 17-14

default configuration 17-11

defined 17-8

guidelines 17-12

Layer 2 traceroute

and ARP 48-16

and CDP 48-16

broadcast traffic 48-16

described 48-16

IP addresses and subnets 48-16

MAC addresses and VLANs 48-16

multicast traffic 48-16

multiple devices on a port 48-17

unicast traffic 48-16

usage guidelines 48-16

Layer 3 features 1-12

Layer 3 interfaces

assigning IP addresses to 37-7

assigning IPv4 and IPv6 addresses to 38-14

assigning IPv6 addresses to 38-11

changing from Layer 2 mode 37-7, 37-71, 37-72

types of 37-5

Layer 3 packets, classification methods 35-2

LDAP 4-2

Leaking IGMP Reports 21-4

LEDs, switch

See hardware installation guide

lightweight directory access protocol

See LDAP

line configuration mode 2-3

Link Aggregation Control Protocol

See EtherChannel

link failure, detecting unidirectional 19-8

Link Layer Discovery Protocol

See CDP

link local unicast addresses 38-3

link redundancy

See Flex Links

links, unidirectional 28-1

link state advertisements (LSAs) 37-30

link-state protocols 37-3

link-state tracking

configuring 36-25

described 36-23

LLDP

configuring 27-3

characteristics 27-4

default configuration 27-3

disabling and enabling

globally 27-4

on an interface 27-5

monitoring and maintaining 27-7

overview 27-1

supported TLVs 27-2

switch stack considerations 27-2

transmission timer and holdtime, setting 27-4

LLDP-MED

configuring

procedures 27-3

TLVs 27-6

monitoring and maintaining 27-7

overview 27-1, 27-2

supported TLVs 27-2

LLDP Media Endpoint Discovery

See LLDP-MED

load balancing 41-4

local SPAN 29-2

location TLV 27-2, 27-6

logging messages, ACL 34-9

login authentication

with RADIUS 9-23

with TACACS+ 9-14

login banners 7-17

log messages

See system message logging

Long-Reach Ethernet (LRE) technology 1-19, 1-25

loop guard

described 20-11

enabling 20-18

support for 1-8

LRE profiles, considerations in switch clusters 6-16

M

MAB aging timer 1-9

MAB inactivity timer

default setting 10-26

range 10-28

MAC/PHY configuration status TLV 27-2

MAC addresses

aging time 7-21

and VLAN association 7-20

building the address table 7-20

default configuration 7-21

disabling learning on a VLAN 7-26

discovering 7-27

displaying 7-27

displaying in the IP source binding table 22-19

dynamic

learning 7-20

removing 7-22

in ACLs 34-27

IP address association 37-9

static

adding 7-24

allowing 7-26, 7-27

characteristics of 7-24

dropping 7-25

removing 7-24

MAC address learning 1-6

MAC address learning, disabling on a VLAN 7-26

MAC address notification, support for 1-14

MAC address-table move update

configuration guidelines 21-8

configuring 21-12

default configuration 21-8

description 21-6

monitoring 21-14

MAC address-to-VLAN mapping 13-28

MAC authentication bypass 10-10

See MAB

MAC extended access lists

applying to Layer 2 interfaces 34-28

configuring for QoS 35-45

creating 34-27

defined 34-27

for QoS classification 35-5

macros

See Smartports macros

magic packet 10-18

manageability features 1-5

management access

in-band

browser session 1-6

CLI session 1-6

device manager 1-6

SNMP 1-6

out-of-band console port connection 1-7

management address TLV 27-2

management options

CLI 2-1

clustering 1-3

CNS 4-1

Network Assistant 1-2

overview 1-5

switch stacks 1-3

management VLAN

considerations in switch clusters 6-7

discovery through different management VLANs 6-7

mapping tables for QoS

configuring

CoS-to-DSCP 35-61

DSCP 35-61

DSCP-to-CoS 35-64

DSCP-to-DSCP-mutation 35-65

IP-precedence-to-DSCP 35-62

policed-DSCP 35-63

described 35-12

marking

action with aggregate policers 35-59

described 35-4, 35-8

matching

IPv6 ACLs 40-3

matching, IPv4 ACLs 34-8

maximum aging time

MSTP 19-24

STP 18-23

maximum hop count, MSTP 19-24

maximum number of allowed devices, port-based authentication 10-28

maximum-paths command 37-52, 37-80

MDA

configuration guidelines10-20to 10-21

described 1-10, 10-20

exceptions with authentication process 10-4

membership mode, VLAN port 13-3

member switch

automatic discovery 6-5

defined 6-2

managing 6-16

passwords 6-13

recovering from lost connectivity 48-12

requirements 6-4

See also candidate switch, cluster standby group, and standby command switch

messages, to users through banners 7-17

metrics, in BGP 37-52

metric translations, between routing protocols 37-86

metro tags 17-2

MHSRP 41-4

MIBs

accessing files with FTP B-3

location of files B-3

overview 32-1

SNMP interaction with 32-4

supported B-1

mini-point-of-presence

See POP

mirroring traffic for analysis 29-1

mismatches, autonegotiation 48-12

module number 11-11

monitoring

access groups 34-40

BGP 37-63

cables for unidirectional links 28-1

CDP 26-5

CEF 37-80

EIGRP 37-42

fallback bridging 47-11

features 1-13

Flex Links 21-14

HSRP 41-12

IEEE 802.1Q tunneling 17-18

IGMP

filters 24-29

snooping 24-16, 39-11

interfaces 11-30

IP

address tables 37-18

multicast routing 45-61

routes 37-93

IP SLAs operations 42-13

IPv4 ACL configuration 34-40

IPv6 38-26

IPv6 ACL configuration 40-8

Layer 2 protocol tunneling 17-18

MAC address-table move update 21-14

MSDP peers 46-17

multicast router interfaces 24-17, 39-12

multi-VRF CE 37-78

MVR 24-24

network traffic for analysis with probe 29-2

object tracking 43-12

OSPF 37-34

port

blocking 25-19

protection 25-19

private VLANs 16-14

RP mapping information 45-34

SFP status 11-31, 48-14

source-active messages 46-17

speed and duplex mode 11-19

SSM mapping 45-22

traffic flowing among switches 30-1

traffic suppression 25-19

tunneling 17-18

VLAN

filters 34-41

maps 34-41

VLANs 13-16

VMPS 13-32

VTP 14-16

mrouter Port 21-3

mrouter port 21-5

MSDP

benefits of 46-3

clearing MSDP connections and statistics 46-18

controlling source information

forwarded by switch 46-11

originated by switch 46-8

received by switch 46-13

default configuration 46-4

dense-mode regions

sending SA messages to 46-16

specifying the originating address 46-17

filtering

incoming SA messages 46-13

SA messages to a peer 46-12

SA requests from a peer 46-10

join latency, defined 46-6

meshed groups

configuring 46-15

defined 46-15

originating address, changing 46-17

overview 46-1

peer-RPF flooding 46-2

peers

configuring a default 46-4

monitoring 46-17

peering relationship, overview 46-1

requesting source information from 46-8

shutting down 46-15

source-active messages

caching 46-6

clearing cache entries 46-18

defined 46-2

filtering from a peer 46-10

filtering incoming 46-13

filtering to a peer 46-12

limiting data with TTL 46-13

monitoring 46-17

restricting advertised sources 46-9

support for 1-13

MSTP

boundary ports

configuration guidelines 19-16

described 19-6

BPDU filtering

described 20-3

enabling 20-14

BPDU guard

described 20-2

enabling 20-13

CIST, described 19-3

CIST regional root 19-3

CIST root 19-5

configuration guidelines 19-15, 20-12

configuring

forward-delay time 19-23

hello time 19-22

link type for rapid convergence 19-24

maximum aging time 19-24

maximum hop count 19-24

MST region 19-16

neighbor type 19-25

path cost 19-21

port priority 19-20

root switch 19-17

secondary root switch 19-19

switch priority 19-22

CST

defined 19-3

operations between regions 19-4

default configuration 19-15

default optional feature configuration 20-12

displaying status 19-26

enabling the mode 19-16

EtherChannel guard

described 20-10

enabling 20-17

extended system ID

effects on root switch 19-17

effects on secondary root switch 19-19

unexpected behavior 19-18

IEEE 802.1s

implementation 19-6

port role naming change 19-7

terminology 19-5

instances supported 18-10

interface state, blocking to forwarding 20-2

interoperability and compatibility among modes 18-11

interoperability with IEEE 802.1D

described 19-9

restarting migration process 19-26

IST

defined 19-3

master 19-3

operations within a region 19-3

loop guard

described 20-11

enabling 20-18

mapping VLANs to MST instance 19-16

MST region

CIST 19-3

configuring 19-16

described 19-2

hop-count mechanism 19-5

IST 19-3

supported spanning-tree instances 19-2

optional features supported 1-8

overview 19-2

Port Fast

described 20-2

enabling 20-12

preventing root switch selection 20-10

root guard

described 20-10

enabling 20-18

root switch

configuring 19-18

effects of extended system ID 19-17

unexpected behavior 19-18

shutdown Port Fast-enabled port 20-2

stack changes, effects of 19-8

status, displaying 19-26

multicast groups

Immediate Leave 24-5

joining 24-3

leaving 24-5

static joins 24-10, 39-8

multicast packets

ACLs on 34-40

blocking 25-8

multicast router interfaces, monitoring 24-17, 39-12

multicast router ports, adding 24-9, 39-8

Multicast Source Discovery Protocol

See MSDP

multicast storm 25-1

multicast storm-control command 25-4

multicast television application 24-18

multicast VLAN 24-17

Multicast VLAN Registration

See MVR

multidomain authentication

See MDA

multioperations scheduling, IP SLAs 42-5

Multiple HSRP

See MHSRP

multiple VPN routing/forwarding in customer edge devices

See multi-VRF CE

multi-VRF CE

configuration example 37-74

configuration guidelines 37-67

configuring 37-66

default configuration 37-67

defined 37-64

displaying 37-78

monitoring 37-78

network components 37-66

packet-forwarding process 37-66

support for 1-12

MVR

and address aliasing 24-21

and IGMPv3 24-21

configuration guidelines 24-20

configuring interfaces 24-22

default configuration 24-20

described 24-17

example application 24-18

in the switch stack 24-20

modes 24-21

monitoring 24-24

multicast television application 24-18

setting global parameters 24-21

support for 1-4

N

NAC

AAA down policy 1-10

critical authentication 10-15, 10-43

IEEE 802.1x authentication using a RADIUS server 10-47

IEEE 802.1x validation using RADIUS server 10-47

inaccessible authentication bypass 1-10, 10-43

Layer 2 IEEE 802.1x validation 1-10, 10-19, 10-47

Layer 2 IP validation 1-10

named IPv4 ACLs 34-15

NameSpace Mapper

See NSM

native VLAN

and IEEE 802.1Q tunneling 17-4

configuring 13-23

default 13-23

neighbor discovery, IPv6 38-4

neighbor discovery/recovery, EIGRP 37-35

neighbors, BGP 37-58

Network Admission Control

NAC

Network Admission Control Software Configuration Guide 10-49, 10-50

Network Assistant

benefits 1-2

described 1-5

downloading image files 1-3

guide mode 1-3

management options 1-2

managing switch stacks 5-2, 5-15

upgrading a switch C-23

wizards 1-3

network configuration examples

cost-effective wiring closet 1-19

high-performance wiring closet 1-19

increasing network performance 1-17

large network 1-23

long-distance, high-bandwidth transport 1-27

multidwelling network 1-25

providing network services 1-18

redundant Gigabit backbone 1-20

server aggregation and Linux server cluster 1-21

small to medium-sized network 1-22

network design

performance 1-18

services 1-18

network management

CDP 26-1

RMON 30-1

SNMP 32-1

network performance, measuring with IP SLAs 42-3

network policy TLV 27-2, 27-6

Network Time Protocol

See NTP

no commands 2-4

nonhierarchical policy maps

configuration guidelines 35-33

described 35-8

non-IP traffic filtering 34-27

nontrunking mode 13-18

normal-range VLANs 13-4

configuration guidelines 13-6

configuration modes 13-7

configuring 13-4

defined 13-1

no switchport command 11-4

not-so-stubby areas

See NSSA

NSM 4-3

NSSA, OSPF 37-30

NTP

associations

authenticating 7-4

defined 7-2

enabling broadcast messages 7-6

peer 7-5

server 7-5

default configuration 7-4

displaying the configuration 7-11

overview 7-2

restricting access

creating an access group 7-8

disabling NTP services per interface 7-10

source IP address, configuring 7-10

stratum 7-2

support for 1-6

synchronizing devices 7-5

time

services 7-2

synchronizing 7-2

O

object tracking

HSRP 43-7

IP SLAs 43-9

IP SLAs, configuring 43-9

monitoring 43-12

offline configuration for switch stacks 5-7

online diagnostics

overview 49-1

running tests 49-3

understanding 49-1

Open Shortest Path First

See OSPF

optimizing system resources 8-1

options, management 1-5

OSPF

area parameters, configuring 37-30

configuring 37-28

default configuration

metrics 37-32

route 37-31

settings 37-26

described 37-25

for IPv6 38-6

interface parameters, configuring 37-29

LSA group pacing 37-33

monitoring 37-34

router IDs 37-33

route summarization 37-31

support for 1-12

virtual links 37-31

out-of-profile markdown 1-12

P

packet modification, with QoS 35-19

PAgP

Layer 2 protocol tunneling 17-9

See EtherChannel

parallel paths, in routing tables 37-80

passive interfaces

configuring 37-90

OSPF 37-32

passwords

default configuration 9-2

disabling recovery of 9-5

encrypting 9-3

for security 1-9

in clusters 6-13

overview 9-1

recovery of 48-3

setting

enable 9-3

enable secret 9-3

Telnet 9-6

with usernames 9-6

VTP domain 14-8

path cost

MSTP 19-21

STP 18-20

path MTU discovery 38-4

PBR

defined 37-86

enabling 37-88

fast-switched policy-based routing 37-89

local policy-based routing 37-89

PC (passive command switch) 6-10

peers, BGP 37-58

percentage thresholds in tracked lists 43-6

performance, network design 1-17

performance features 1-4

persistent self-signed certificate 9-43

per-VLAN spanning-tree plus

See PVST+

PE to CE routing, configuring 37-74

physical ports 11-2

PIM

default configuration 45-10

dense mode

overview 45-4

rendezvous point (RP), described 45-5

RPF lookups 45-8

displaying neighbors 45-62

enabling a mode 45-13

overview 45-4

router-query message interval, modifying 45-37

shared tree and source tree, overview 45-35

shortest path tree, delaying the use of 45-36

sparse mode

join messages and shared tree 45-5

overview 45-5

prune messages 45-5

RPF lookups 45-8

stub routing

configuration guidelines 45-22

displaying 45-62

enabling 45-23

overview 45-5

support for 1-13

versions

interoperability 45-11

troubleshooting interoperability problems 45-35

v2 improvements 45-4

PIM-DVMRP, as snooping method 24-9

ping

character output description 48-15

executing 48-14

overview 48-14

PoE

auto mode 11-9

CDP with power consumption, described 11-7

CDP with power negotiation, described 11-7

Cisco intelligent power management 11-7

configuring 11-22

devices supported 11-7

enhanced 11-7

supported watts per port 11-7

high-power devices operating in low-power mode 11-7

IEEE power classification levels 11-8

monitoring power 11-24

policing power consumption 11-24

power budgeting 11-23

power consumption 11-23

powered-device detection and initial power allocation 11-8

power management modes 11-9

power negotiation extensions to CDP 11-7

standards supported 11-7

static mode 11-9

supported watts per port 11-7

policed-DSCP map for QoS 35-63

policers

configuring

for each matched traffic class 35-48

for more than one traffic class 35-59

described 35-4

displaying 35-79

number of 35-34

types of 35-8

policing

described 35-4

hierarchical

See hierarchical policy maps

token-bucket algorithm 35-9

policy-based routing

See PBR

policy maps for QoS

characteristics of 35-48

described 35-7

displaying 35-80

hierarchical 35-7

hierarchical on SVIs

configuration guidelines 35-33

configuring 35-52

described 35-11

nonhierarchical on physical ports

configuration guidelines 35-33

described 35-8

POP 1-25

port ACLs

defined 34-2

types of 34-3

Port Aggregation Protocol

See EtherChannel

port-based authentication

accounting 10-9

authentication server

defined 10-3

RADIUS server 10-3

client, defined 10-3

configuration guidelines 10-26

configuring

802.1x authentication 10-32

guest VLAN 10-40

host mode 10-35

inaccessible authentication bypass 10-43

manual re-authentication of a client 10-36

periodic re-authentication 10-36

quiet period 10-37

RADIUS server 10-34

RADIUS server parameters on the switch 10-33

restricted VLAN 10-41

switch-to-client frame-retransmission number 10-38

switch-to-client retransmission time 10-37

violation modes10-31to 10-32

default configuration 10-25

described 10-1

device roles 10-2

displaying statistics 10-52

EAPOL-start frame 10-5

EAP-request/identity frame 10-5

EAP-response/identity frame 10-5

encapsulation 10-3

guest VLAN

configuration guidelines 10-14, 10-15

described 10-13

host mode 10-8

inaccessible authentication bypass

configuring 10-43

described 10-15

guidelines 10-28

initiation and message exchange 10-5

magic packet 10-18

maximum number of allowed devices per port 10-28

method lists 10-32

multiple-hosts mode, described 10-8

per-user ACLs

AAA authorization 10-32

configuration tasks 10-13

described 10-12

RADIUS server attributes 10-12

ports

authorization state and dot1x port-control command 10-7

authorized and unauthorized 10-7

critical 10-15

voice VLAN 10-16

port security

and voice VLAN 10-18

described 10-17

interactions 10-17

multiple-hosts mode 10-8

readiness check

configuring 10-29

described 10-10, 10-29

resetting to default values 10-51

stack changes, effects of 10-7

statistics, displaying 10-52

switch

as proxy 10-3

RADIUS client 10-3

upgrading from a previous release 10-29, 35-26

VLAN assignment

AAA authorization 10-32

characteristics 10-11

configuration tasks 10-11

described 10-10

voice aware 802.1x security

configuring 10-30

described 10-21, 10-30

voice VLAN

described 10-16

PVID 10-16

VVID 10-16

wake-on-LAN, described 10-18

port blocking 1-4, 25-7

port-channel

See EtherChannel

port description TLV 27-2

Port Fast

described 20-2

enabling 20-12

mode, spanning tree 13-29

support for 1-8

port membership modes, VLAN 13-3

port priority

MSTP 19-20

STP 18-18

ports

10-Gigabit Ethernet module 11-6

access 11-3

blocking 25-7

dynamic access 13-3

IEEE 802.1Q tunnel 13-4

protected 25-6

routed 11-4

secure 25-8

static-access 13-3, 13-11

switch 11-2

trunks 13-3, 13-16

VLAN assignments 13-11

port security

aging 25-17

and private VLANs 25-18

and QoS trusted boundary 35-38

and stacking 25-18

configuring 25-13

default configuration 25-11

described 25-8

displaying 25-19

enabling 25-18

on trunk ports 25-14

sticky learning 25-9

violations 25-10

with other features 25-11

port-shutdown response, VMPS 13-28

port VLAN ID TLV 27-2

power management TLV 27-2, 27-6

Power over Ethernet

See PoE

preemption, default configuration 21-7

preemption delay, default configuration 21-8

preferential treatment of traffic

See QoS

prefix lists, BGP 37-56

preventing unauthorized access 9-1

primary interface for object tracking, DHCP, configuring 43-11

primary interface for static routing, configuring 43-10

primary links 21-2

primary VLANs 16-1, 16-3

priority

HSRP 41-8

overriding CoS 15-6

trusting CoS 15-6

private VLAN edge ports

See protected ports

private VLANs

across multiple switches 16-4

and SDM template 16-4

and SVIs 16-5

and switch stacks 16-5

benefits of 16-1

community ports 16-2

community VLANs 16-2, 16-3

configuration guidelines 16-7, 16-8

configuration tasks 16-6

configuring 16-9

default configuration 16-6

end station access to 16-3

IP addressing 16-3

isolated port 16-2

isolated VLANs 16-2, 16-3

mapping 16-13

monitoring 16-14

ports

community 16-2

configuration guidelines 16-8

configuring host ports 16-11

configuring promiscuous ports 16-12

described 13-4

isolated 16-2

promiscuous 16-2

primary VLANs 16-1, 16-3

promiscuous ports 16-2

secondary VLANs 16-2

subdomains 16-1

traffic in 16-5

privileged EXEC mode 2-2

privilege levels

changing the default for lines 9-9

command switch 6-16

exiting 9-9

logging into 9-9

mapping on member switches 6-16

overview 9-2, 9-7

setting a command with 9-8

promiscuous ports

configuring 16-12

defined 16-2

protected ports 1-9, 25-6

protocol-dependent modules, EIGRP 37-36

Protocol-Independent Multicast Protocol

See PIM

provider edge devices 37-65

provisioned switches and IP source guard 22-18

provisioning new members for a switch stack 5-7

proxy ARP

configuring 37-11

definition 37-9

with IP routing disabled 37-12

proxy reports 21-3

pruning, VTP

disabling

in VTP domain 14-14

on a port 13-23

enabling

in VTP domain 14-14

on a port 13-22

examples 14-5

overview 14-4

pruning-eligible list

changing 13-22

for VTP pruning 14-5

VLANs 14-14

PVST+

described 18-10

IEEE 802.1Q trunking interoperability 18-11

instances supported 18-10

Q

QoS

and MQC commands 35-1

auto-QoS

categorizing traffic 35-20

configuration and defaults display 35-29

configuration guidelines 35-25

described 35-20

disabling 35-27

displaying generated commands 35-27

displaying the initial configuration 35-29

effects on running configuration 35-25

egress queue defaults 35-21

enabling for VoIP 35-27

example configuration 35-28

ingress queue defaults 35-21

list of generated commands 35-22

basic model 35-4

classification

class maps, described 35-7

defined 35-4

DSCP transparency, described 35-40

flowchart 35-6

forwarding treatment 35-3

in frames and packets 35-3

IP ACLs, described 35-5, 35-6

MAC ACLs, described 35-5, 35-6

options for IP traffic 35-5

options for non-IP traffic 35-5

policy maps, described 35-7

trust DSCP, described 35-5

trusted CoS, described 35-5

trust IP precedence, described 35-5

class maps

configuring 35-46

displaying 35-79

configuration guidelines

auto-QoS 35-25

standard QoS 35-33

configuring

aggregate policers 35-59

auto-QoS 35-20

default port CoS value 35-38

DSCP maps 35-61

DSCP transparency 35-40

DSCP trust states bordering another domain 35-40

egress queue characteristics 35-71

ingress queue characteristics 35-67

IP extended ACLs 35-44

IP standard ACLs 35-43

MAC ACLs 35-45

policy maps, hierarchical 35-52

port trust states within the domain 35-36

trusted boundary 35-38

default auto configuration 35-20

default standard configuration 35-30

displaying statistics 35-79

DSCP transparency 35-40

egress queues

allocating buffer space 35-72

buffer allocation scheme, described 35-17

configuring shaped weights for SRR 35-75

configuring shared weights for SRR 35-77

described 35-4

displaying the threshold map 35-75

flowchart 35-17

mapping DSCP or CoS values 35-74

scheduling, described 35-4

setting WTD thresholds 35-72

WTD, described 35-18

enabling globally 35-35

flowcharts

classification 35-6

egress queueing and scheduling 35-17

ingress queueing and scheduling 35-15

policing and marking 35-10

implicit deny 35-7

ingress queues

allocating bandwidth 35-69

allocating buffer space 35-69

buffer and bandwidth allocation, described 35-16

configuring shared weights for SRR 35-69

configuring the priority queue 35-70

described 35-4

displaying the threshold map 35-68

flowchart 35-15

mapping DSCP or CoS values 35-67

priority queue, described 35-16

scheduling, described 35-4

setting WTD thresholds 35-67

WTD, described 35-16

IP phones

automatic classification and queueing 35-20

detection and trusted settings 35-20, 35-38

limiting bandwidth on egress interface 35-78

mapping tables

CoS-to-DSCP 35-61

displaying 35-79

DSCP-to-CoS 35-64

DSCP-to-DSCP-mutation 35-65

IP-precedence-to-DSCP 35-62

policed-DSCP 35-63

types of 35-12

marked-down actions 35-50, 35-56

marking, described 35-4, 35-8

overview 35-2

packet modification 35-19

policers

configuring 35-50, 35-56, 35-59

described 35-8

displaying 35-79

number of 35-34

types of 35-8

policies, attaching to an interface 35-8

policing

described 35-4, 35-8

token bucket algorithm 35-9

policy maps

characteristics of 35-48

displaying 35-80

hierarchical 35-7

hierarchical on SVIs 35-52

nonhierarchical on physical ports 35-48

QoS label, defined 35-4

queues

configuring egress characteristics 35-71

configuring ingress characteristics 35-67

high priority (expedite) 35-19, 35-78

location of 35-13

SRR, described 35-14

WTD, described 35-13

rewrites 35-19

support for 1-11

trust states

bordering another domain 35-40

described 35-5

trusted device 35-38

within the domain 35-36

quality of service

See QoS

queries, IGMP 24-4

query solicitation, IGMP 24-13

R

RADIUS

attributes

vendor-proprietary 9-31

vendor-specific 9-29

configuring

accounting 9-28

authentication 9-23

authorization 9-27

communication, global 9-21, 9-29

communication, per-server 9-20, 9-21

multiple UDP ports 9-20

default configuration 9-20

defining AAA server groups 9-25

displaying the configuration 9-31

identifying the server 9-20

in clusters 6-15

limiting the services to the user 9-27

method list, defined 9-19

operation of 9-19

overview 9-18

suggested network environments 9-18

support for 1-11

tracking services accessed by user 9-28

range

macro 11-14

of interfaces 11-13

rapid convergence 19-10

rapid per-VLAN spanning-tree plus

See rapid PVST+

rapid PVST+

described 18-10

IEEE 802.1Q trunking interoperability 18-11

instances supported 18-10

Rapid Spanning Tree Protocol

See RSTP

RARP 37-9

rcommand command 6-16

RCP

configuration files

downloading C-17

overview C-15

preparing the server C-16

uploading C-18

image files

deleting old image C-36

downloading C-35

preparing the server C-34

uploading C-36

reachability, tracking IP SLAs IP host 43-9

readiness check

port-based authentication

configuring 10-29

described 10-10, 10-29

reconfirmation interval, VMPS, changing 13-31

reconfirming dynamic VLAN membership 13-31

recovery procedures 48-1

redundancy

EtherChannel 36-3

HSRP 41-1

STP

backbone 18-8

multidrop backbone 20-5

path cost 13-26

port priority 13-24

redundant links and UplinkFast 20-15

reliable transport protocol, EIGRP 37-35

reloading software 3-21

Remote Authentication Dial-In User Service

See RADIUS

Remote Copy Protocol

See RCP

Remote Network Monitoring

See RMON

Remote SPAN

See RSPAN

remote SPAN 29-3

report suppression, IGMP

described 24-6

disabling 24-16, 39-11

resequencing ACL entries 34-15

resets, in BGP 37-50

resetting a UDLD-shutdown interface 28-6

responder, IP SLAs

described 42-4

enabling 42-8

response time, measuring with IP SLAs 42-4

restricted VLAN

configuring 10-41

described 10-14

using with IEEE 802.1x 10-14

restricting access

NTP services 7-8

overview 9-1

passwords and privilege levels 9-2

RADIUS 9-17

TACACS+ 9-10

retry count, VMPS, changing 13-32

reverse address resolution 37-9

Reverse Address Resolution Protocol

See RARP

RFC

1058, RIP 37-19

1112, IP multicast and IGMP 24-2

1157, SNMPv1 32-2

1163, BGP 37-43

1166, IP addresses 37-7

1253, OSPF 37-25

1267, BGP 37-43

1305, NTP 7-2

1587, NSSAs 37-25

1757, RMON 30-2

1771, BGP 37-43

1901, SNMPv2C 32-2

1902 to 1907, SNMPv2 32-2

2236, IP multicast and IGMP 24-2

2273-2275, SNMPv3 32-2

RIP

advertisements 37-20

authentication 37-22

configuring 37-21

default configuration 37-20

described 37-20

for IPv6 38-6

hop counts 37-20

split horizon 37-23

summary addresses 37-23

support for 1-12

RMON

default configuration 30-3

displaying status 30-6

enabling alarms and events 30-3

groups supported 30-2

overview 30-1

statistics

collecting group Ethernet 30-5

collecting group history 30-5

support for 1-14

root guard

described 20-10

enabling 20-18

support for 1-8

root switch

MSTP 19-17

STP 18-16

route calculation timers, OSPF 37-32

route dampening, BGP 37-62

routed packets, ACLs on 34-39

routed ports

configuring 37-5

defined 11-4

in switch clusters 6-8

IP addresses on 11-27, 37-5

route-map command 37-89

route maps

BGP 37-54

policy-based routing 37-87

router ACLs

defined 34-2

types of 34-4

route reflectors, BGP 37-61

router ID, OSPF 37-33

route selection, BGP 37-52

route summarization, OSPF 37-31

route targets, VPN 37-66

routing

default 37-3

dynamic 37-3

redistribution of information 37-83

static 37-3

routing domain confederation, BGP 37-61

Routing Information Protocol

See RIP

routing protocol administrative distances 37-81

RSPAN

and stack changes 29-10

characteristics 29-9

configuration guidelines 29-17

default configuration 29-11

defined 29-3

destination ports 29-8

displaying status 29-25

in a switch stack 29-2

interaction with other features 29-9

monitored ports 29-6

monitoring ports 29-8

overview 1-14, 29-1

received traffic 29-5

session limits 29-11

sessions

creating 29-18

defined 29-4

limiting source traffic to specific VLANs 29-24

specifying monitored ports 29-18

with ingress traffic enabled 29-22

source ports 29-6

transmitted traffic 29-6

VLAN-based 29-7

RSTP

active topology 19-10

BPDU

format 19-12

processing 19-13

designated port, defined 19-9

designated switch, defined 19-9

interoperability with IEEE 802.1D

described 19-9

restarting migration process 19-26

topology changes 19-13

overview 19-9

port roles

described 19-9

synchronized 19-11

proposal-agreement handshake process 19-10

rapid convergence

cross-stack rapid convergence 19-11

described 19-10

edge ports and Port Fast 19-10

point-to-point links 19-10, 19-24

root ports 19-10

root port, defined 19-9

See also MSTP

running configuration

replacing C-19, C-20

rolling back C-19, C-20

running configuration, saving 3-15

S

SC (standby command switch) 6-10

scheduled reloads 3-21

scheduling, IP SLAs operations 42-5

SCP

and SSH 9-48

configuring 9-48

SDM

described 8-1

switch stack consideration 5-9

templates

configuring 8-6

number of 8-1

SDM mismatch mode 5-9, 8-4

SDM template 40-4

aggregator 8-2

configuration guidelines 8-5

configuring 8-5

desktop 8-2

dual IPv4 and IPv6 8-2

types of 8-1

secondary VLANs 16-2

Secure Copy Protocol

secure HTTP client

configuring 9-47

displaying 9-48

secure HTTP server

configuring 9-46

displaying 9-48

secure MAC addresses

and switch stacks 25-18

deleting 25-16

maximum number of 25-10

types of 25-9

secure ports

and switch stacks 25-18

configuring 25-8

secure remote connections 9-37

Secure Shell

See SSH

Secure Socket Layer

See SSL

security, port 25-8

security features 1-9

See SCP

sequence numbers in log messages 31-8

server mode, VTP 14-3

service-provider network, MSTP and RSTP 19-1

service-provider networks

and customer VLANs 17-2

and IEEE 802.1Q tunneling 17-1

Layer 2 protocols across 17-8

Layer 2 protocol tunneling for EtherChannels 17-9

set-request operation 32-5

setup program

failed command switch replacement 48-10

replacing failed command switch 48-9

severity levels, defining in system messages 31-9

SFPs

monitoring status of 11-31, 48-14

numbering of 11-11

security and identification 48-13

status, displaying 48-14

shaped round robin

See SRR

show access-lists hw-summary command 34-22

show and more command output, filtering 2-10

show cdp traffic command 26-5

show cluster members command 6-16

show configuration command 11-25

show forward command 48-21

show interfaces command 11-19, 11-25

show interfaces switchport 21-4

show l2protocol command 17-13, 17-15, 17-16

show lldp traffic command 27-7

show platform forward command 48-21

show running-config command

displaying ACLs 34-20, 34-21, 34-31, 34-34

interface description in 11-25

shutdown command on interfaces 11-32

shutdown threshold for Layer 2 protocol packets 17-11

Simple Network Management Protocol

See SNMP

small form-factor pluggable modules

See SFPs

small-frame arrival rate, configuring 25-5

Smartports macros

applying Cisco-default macros 12-6

applying global parameter values 12-5, 12-6

applying macros 12-5

applying parameter values 12-5, 12-7

configuration guidelines 12-2

creating 12-4

default configuration 12-2

defined 12-1

displaying 12-8

tracing 12-3

SNAP 26-1

SNMP

accessing MIB variables with 32-4

agent

described 32-4

disabling 32-8

and IP SLAs 42-2

authentication level 32-11

community strings

configuring 32-8

for cluster switches 32-4

overview 32-4

configuration examples 32-17

default configuration 32-7

engine ID 32-7

groups 32-7, 32-10

host 32-7

ifIndex values 32-6

in-band management 1-6

in clusters 6-14

informs

and trap keyword 32-12

described 32-5

differences from traps 32-5

disabling 32-16

enabling 32-16

limiting access by TFTP servers 32-16

limiting system log messages to NMS 31-10

manager functions 1-5, 32-3

managing clusters with 6-17

MIBs

location of B-3

supported B-1

notifications 32-5

overview 32-1, 32-4

security levels 32-3

status, displaying 32-18

system contact and location 32-16

trap manager, configuring 32-14

traps

described 32-3, 32-5

differences from informs 32-5

disabling 32-16

enabling 32-12

enabling MAC address notification 7-22

overview 32-1, 32-5

types of 32-12

users 32-7, 32-10

versions supported 32-2

SNMP and Syslog Over IPv6 38-7

SNMPv1 32-2

SNMPv2C 32-2

SNMPv3 32-3

snooping, IGMP 24-2

software compatibility

See stacks, switch

software images

location in flash C-24

recovery procedures 48-2

scheduling reloads 3-21

tar file format, described C-24

See also downloading and uploading

source addresses

in IPv4 ACLs 34-12

in IPv6 ACLs 40-5

source-and-destination-IP address based forwarding, EtherChannel 36-9

source-and-destination MAC address forwarding, EtherChannel 36-9

source-IP address based forwarding, EtherChannel 36-9

source-MAC address forwarding, EtherChannel 36-8

Source-specific multicast

See SSM

SPAN

and stack changes 29-10

configuration guidelines 29-11

default configuration 29-11

destination ports 29-8

displaying status 29-25

interaction with other features 29-9

monitored ports 29-6

monitoring ports 29-8

overview 1-14, 29-1

ports, restrictions 25-12

received traffic 29-5

session limits 29-11

sessions

configuring ingress forwarding 29-16, 29-23

creating 29-12

defined 29-4

limiting source traffic to specific VLANs 29-16

removing destination (monitoring) ports 29-14

specifying monitored ports 29-12

with ingress traffic enabled 29-15

source ports 29-6

transmitted traffic 29-6

VLAN-based 29-7

spanning tree and native VLANs 13-19

Spanning Tree Protocol

See STP

SPAN traffic 29-5

split horizon, RIP 37-23

SRR

configuring

shaped weights on egress queues 35-75

shared weights on egress queues 35-77

shared weights on ingress queues 35-69

described 35-14

shaped mode 35-14

shared mode 35-14

support for 1-12

SSH

configuring 9-39

cryptographic software image 9-37

described 1-6, 9-37

encryption methods 9-38

switch stack considerations 5-16, 9-38

user authentication methods, supported 9-38

SSL

configuration guidelines 9-45

configuring a secure HTTP client 9-47

configuring a secure HTTP server 9-46

cryptographic software image 9-42

described 9-41

monitoring 9-48

SSM

address management restrictions 45-16

CGMP limitations 45-16

components 45-14

configuration guidelines 45-15

configuring 45-14, 45-16

differs from Internet standard multicast 45-14

IGMP snooping 45-16

IGMPv3 45-14

IGMPv3 Host Signalling 45-15

IP address range 45-15

monitoring 45-16

operations 45-15

PIM 45-14

state maintenance limitations 45-16

SSM mapping 45-17

configuration guidelines 45-17

configuring 45-17, 45-19

DNS-based 45-18, 45-20

monitoring 45-22

overview 45-18

restrictions 45-18

static 45-18, 45-20

static traffic forwarding 45-21

stack, switch

MAC address of 5-19

stack changes

effects on

IPv6 routing 38-9

stack changes, effects on

802.1x port-based authentication 10-7

ACL configuration 34-7

CDP 26-2

cross-stack EtherChannel 36-13

EtherChannel 36-10

fallback bridging 47-3

HSRP 41-5

IGMP snooping 24-6

IP routing 37-4

IPv6 ACLs 40-3

MAC address tables 7-21

MSTP 19-8

multicast routing 45-10

MVR 24-18

port security 25-18

SDM template selection 8-4

SNMP 32-1

SPAN and RSPAN 29-10

STP 18-12

switch clusters 6-14

system message log 31-2

VLANs 13-6

VTP 14-6

stack master

bridge ID (MAC address) 5-5

defined 5-1

election 5-4

IPv6 38-9

re-election 5-4

See also stacks, switch

stack member

accessing CLI of specific member 5-23

configuring

member number 5-21

priority value 5-21

defined 5-1

displaying information of 5-23

IPv6 38-10

number 5-6

priority value 5-6

provisioning a new member 5-22

replacing 5-15

See also stacks, switch

stack member number 11-11

stack protocol version 5-10

stacks, switch

accessing CLI of specific member 5-23

assigning information

member number 5-21

priority value 5-21

provisioning a new member 5-22

auto-advise 5-11

auto-copy 5-11

auto-extract 5-11

auto-upgrade 5-11

benefits 1-2

bridge ID 5-5

CDP considerations 26-2

compatibility, software 5-10

configuration file 5-14

configuration scenarios 5-17

copying an image file from one member to another C-37

default configuration 5-19

description of 5-1

displaying information of 5-23

enabling persistent MAC address timer 5-19

hardware compatibility and SDM mismatch mode 5-9

HSRP considerations 41-5

in clusters 6-14

incompatible software and image upgrades 5-14, C-37

IPv6 on 38-9

MAC address considerations 7-21

management connectivity 5-15

managing 5-1

membership 5-3

merged 5-3

MSTP instances supported 18-10

multicast routing, stack master and member roles 45-9

offline configuration

described 5-7

effects of adding a provisioned switch 5-7

effects of removing a provisioned switch 5-9

effects of replacing a provisioned switch 5-9

provisioned configuration, defined 5-7

provisioned switch, defined 5-7

provisioning a new member 5-22

partitioned 5-3, 48-8

provisioned switch

adding 5-7

removing 5-9

replacing 5-9

replacing a failed member 5-15

software compatibility 5-10

software image version 5-10

stack protocol version 5-10

STP

bridge ID 18-3

instances supported 18-10

root port selection 18-3

stack root switch election 18-3

system messages

hostnames in the display 31-1

remotely monitoring 31-2

system prompt consideration 7-14

system-wide configuration considerations 5-15

upgrading C-37

version-mismatch (VM) mode

automatic upgrades with auto-upgrade 5-11

described 5-10

examples 5-12

manual upgrades with auto-advise 5-11

upgrades with auto-extract 5-11

See also stack master and stack member

StackWise technology, Cisco 1-3

See also stacks, switch

standby command switch

configuring

considerations 6-11

defined 6-2

priority 6-10

requirements 6-3

virtual IP address 6-11

See also cluster standby group and HSRP

standby group, cluster

See cluster standby group and HSRP

standby ip command 41-6

standby links 21-2

standby router 41-1

standby timers, HSRP 41-11

startup configuration

booting

manually 3-18

specific image 3-19

clearing C-19

configuration file

automatically downloading 3-17

specifying the filename 3-17

default boot configuration 3-17

static access ports

assigning to VLAN 13-11

defined 11-3, 13-3

static addresses

See addresses

static IP routing 1-12

static MAC addressing 1-9

static route primary interface,configuring 43-10

static routes

configuring 37-81

configuring for IPv6 38-19

understanding 38-6

static routing 37-3

static routing support, enhanced object tracking 43-10

static SSM mapping 45-18, 45-20

static traffic forwarding 45-21

static VLAN membership 13-2

statistics

802.1x 10-52

CDP 26-5

interface 11-30

IP multicast routing 45-62

LLDP 27-7

LLDP-MED 27-7

OSPF 37-34

QoS ingress and egress 35-79

RMON group Ethernet 30-5

RMON group history 30-5

SNMP input and output 32-18

VTP 14-16

sticky learning 25-9

storm control

configuring 25-3

described 25-1

disabling 25-5

displaying 25-19

support for 1-4

thresholds 25-1

STP

accelerating root port selection 20-4

BackboneFast

described 20-7

disabling 20-17

enabling 20-16

BPDU filtering

described 20-3

disabling 20-15

enabling 20-14

BPDU guard

described 20-2

disabling 20-14

enabling 20-13

BPDU message exchange 18-3

configuration guidelines 18-13, 20-12

configuring

forward-delay time 18-23

hello time 18-22

maximum aging time 18-23

path cost 18-20

port priority 18-18

root switch 18-16

secondary root switch 18-18

spanning-tree mode 18-15

switch priority 18-21

transmit hold-count 18-24

counters, clearing 18-24

cross-stack UplinkFast

described 20-5

enabling 20-16

default configuration 18-13

default optional feature configuration 20-12

designated port, defined 18-4

designated switch, defined 18-4

detecting indirect link failures 20-8

disabling 18-16

displaying status 18-24

EtherChannel guard

described 20-10

disabling 20-17

enabling 20-17

extended system ID

effects on root switch 18-16

effects on the secondary root switch 18-18

overview 18-4

unexpected behavior 18-16

features supported 1-7

IEEE 802.1D and bridge ID 18-4

IEEE 802.1D and multicast addresses 18-9

IEEE 802.1t and VLAN identifier 18-5

inferior BPDU 18-3

instances supported 18-10

interface state, blocking to forwarding 20-2

interface states

blocking 18-6

disabled 18-7

forwarding 18-6, 18-7

learning 18-7

listening 18-7

overview 18-5

interoperability and compatibility among modes 18-11

keepalive messages 18-2

Layer 2 protocol tunneling 17-7

limitations with IEEE 802.1Q trunks 18-11

load sharing

overview 13-24

using path costs 13-26

using port priorities 13-24

loop guard

described 20-11

enabling 20-18

modes supported 18-10

multicast addresses, effect of 18-9

optional features supported 1-8

overview 18-2

path costs 13-26, 13-27

Port Fast

described 20-2

enabling 20-12

port priorities 13-25

preventing root switch selection 20-10

protocols supported 18-10

redundant connectivity 18-8

root guard

described 20-10

enabling 20-18

root port, defined 18-3

root port selection on a switch stack 18-3

root switch

configuring 18-16

effects of extended system ID 18-4, 18-16

election 18-3

unexpected behavior 18-16

shutdown Port Fast-enabled port 20-2

stack changes, effects of 18-12

status, displaying 18-24

superior BPDU 18-3

timers, described 18-22

UplinkFast

described 20-3

enabling 20-15

VLAN-bridge 18-11

stratum, NTP 7-2

stub areas, OSPF 37-30

stub routing, EIGRP 37-41

subdomains, private VLAN 16-1

subnet mask 37-7

subnet zero 37-7

success response, VMPS 13-28

summer time 7-13

SunNet Manager 1-5

supernet 37-8

supported watts per port 11-7

SVI autostate exclude

configuring 11-28

defined 11-6

SVI link state 11-6

SVIs

and IP unicast routing 37-5

and router ACLs 34-4

connecting VLANs 11-10

defined 11-5

routing between VLANs 13-2

switch 38-2

switch clustering technology 6-1

See also clusters, switch

switch console port 1-7

Switch Database Management

See SDM

switched packets, ACLs on 34-38

Switched Port Analyzer

See SPAN

switched ports 11-2

switchport backup interface 21-4, 21-5

switchport block multicast command 25-8

switchport block unicast command 25-8

switchport command 11-16

switchport mode dot1q-tunnel command 17-6

switchport protected command 25-7

switch priority

MSTP 19-22

STP 18-21

switch software features 1-1

switch stacks

Catalyst 3750G wireless LAN controller switch A-2

switch virtual interface

See SVI

synchronization, BGP 37-48

syslog

See system message logging

system capabilities TLV 27-2

system clock

configuring

daylight saving time 7-13

manually 7-11

summer time 7-13

time zones 7-12

displaying the time and date 7-12

overview 7-1

See also NTP

system description TLV 27-2

system message logging

default configuration 31-4

defining error message severity levels 31-9

disabling 31-4

displaying the configuration 31-14

enabling 31-5

facility keywords, described 31-14

level keywords, described 31-10

limiting messages 31-10

message format 31-2

overview 31-1

sequence numbers, enabling and disabling 31-8

setting the display destination device 31-5

stack changes, effects of 31-2

synchronizing log messages 31-6

syslog facility 1-14

time stamps, enabling and disabling 31-8

UNIX syslog servers

configuring the daemon 31-12

configuring the logging facility 31-13

facilities supported 31-14

system MTU and IEEE 802.1Q tunneling 17-5

system name

default configuration 7-15

default setting 7-15

manual configuration 7-15

See also DNS

system name TLV 27-2

system prompt, default setting 7-14, 7-15

system resources, optimizing 8-1

T

TACACS+

accounting, defined 9-11

authentication, defined 9-11

authorization, defined 9-11

configuring

accounting 9-17

authentication key 9-13

authorization 9-16

login authentication 9-14

default configuration 9-13

displaying the configuration 9-17

identifying the server 9-13

in clusters 6-15

limiting the services to the user 9-16

operation of 9-12

overview 9-10

support for 1-11

tracking services accessed by user 9-17

tagged packets

IEEE 802.1Q 17-3

Layer 2 protocol 17-7

tar files

creating C-6

displaying the contents of C-7

extracting C-7

image file format C-24

TCL script, registering and defining with embedded event manager 33-6

TDR 1-14

Telnet

accessing management interfaces 2-11

number of connections 1-6

setting a password 9-6

templates, SDM 8-2

temporary self-signed certificate 9-43

Terminal Access Controller Access Control System Plus

See TACACS+

terminal lines, setting a password 9-6

TFTP

configuration files

downloading C-11

preparing the server C-10

uploading C-12

configuration files in base directory 3-7

configuring for autoconfiguration 3-7

image files

deleting C-27

downloading C-26

preparing the server C-25

uploading C-28

limiting access by servers 32-16

TFTP server 1-5

threshold, traffic level 25-2

threshold monitoring, IP SLAs 42-6

time

See NTP and system clock

Time Domain Reflector

See TDR

time-range command 34-17

time ranges in ACLs 34-17

time stamps in log messages 31-8

time zones 7-12

TLVs

defined 27-2

LLDP 27-2

LLDP-MED 27-2

Token Ring VLANs

support for 13-6

VTP support 14-4

ToS 1-11

traceroute, Layer 2

and ARP 48-16

and CDP 48-16

broadcast traffic 48-16

described 48-16

IP addresses and subnets 48-16

MAC addresses and VLANs 48-16

multicast traffic 48-16

multiple devices on a port 48-17

unicast traffic 48-16

usage guidelines 48-16

traceroute command 48-18

See also IP traceroute

tracked lists

configuring 43-3

types 43-3

tracked objects

by Boolean expression 43-4

by threshold percentage 43-6

by threshold weight 43-5

tracking interface line-protocol state 43-2

tracking IP routing state 43-2

tracking objects 43-1

tracking process 43-1

track state, tracking IP SLAs 43-9

traffic

blocking flooded 25-8

fragmented 34-5

fragmented IPv6 40-2

unfragmented 34-5

traffic policing 1-11

traffic suppression 25-1

transmit hold-count

see STP

transparent mode, VTP 14-3, 14-12

trap-door mechanism 3-2

traps

configuring MAC address notification 7-22

configuring managers 32-12

defined 32-3

enabling 7-22, 32-12

notification types 32-12

overview 32-1, 32-5

troubleshooting

connectivity problems 48-14, 48-15, 48-17

detecting unidirectional links 28-1

displaying crash information 48-24

PIMv1 and PIMv2 interoperability problems 45-35

setting packet forwarding 48-21

SFP security and identification 48-13

show forward command 48-21

with CiscoWorks 32-4

with debug commands 48-20

with ping 48-14

with system message logging 31-1

with traceroute 48-17

trunk failover

See link-state tracking

trunking encapsulation 1-8

trunk ports

configuring 13-20

defined 11-3, 13-3

encapsulation 13-20, 13-25, 13-27

trunks

allowed-VLAN list 13-21

configuring 13-20, 13-25, 13-27

ISL 13-16

load sharing

setting STP path costs 13-26

using STP port priorities 13-24, 13-25

native VLAN for untagged traffic 13-23

parallel 13-26

pruning-eligible list 13-22

to non-DTP device 13-17

trusted boundary for QoS 35-38

trusted port states

between QoS domains 35-40

classification options 35-5

ensuring port security for IP phones 35-38

support for 1-11

within a QoS domain 35-36

trustpoints, CA 9-42

tunneling

defined 17-1

IEEE 802.1Q 17-1

Layer 2 protocol 17-8

tunnel ports

defined 13-4

described 11-4, 17-1

IEEE 802.1Q, configuring 17-6

incompatibilities with other features 17-6

twisted-pair Ethernet, detecting unidirectional links 28-1

type of service

See ToS

U

UDLD

configuration guidelines 28-4

default configuration 28-4

disabling

globally 28-5

on fiber-optic interfaces 28-5

per interface 28-6

echoing detection mechanism 28-3

enabling

globally 28-5

per interface 28-6

Layer 2 protocol tunneling 17-10

link-detection mechanism 28-1

neighbor database 28-2

overview 28-1

resetting an interface 28-6

status, displaying 28-7

support for 1-7

UDP, configuring 37-15

UDP jitter, configuring 42-9

UDP jitter operation, IP SLAs 42-8

unauthorized ports with IEEE 802.1x 10-7

unicast MAC address filtering 1-6

and adding static addresses 7-25

and broadcast MAC addresses 7-25

and CPU packets 7-25

and multicast addresses 7-25

and router MAC addresses 7-25

configuration guidelines 7-25

described 7-25

unicast storm 25-1

unicast storm control command 25-4

unicast traffic, blocking 25-8

UniDirectional Link Detection protocol

See UDLD

UNIX syslog servers

daemon configuration 31-12

facilities supported 31-14

message logging configuration 31-13

unrecognized Type-Length-Value (TLV) support 14-4

upgrading software images

See downloading

UplinkFast

described 20-3

disabling 20-16

enabling 20-15

support for 1-7

uploading

configuration files

preparing C-10, C-13, C-16

reasons for C-9

using FTP C-14

using RCP C-18

using TFTP C-12

image files

preparing C-25, C-29, C-34

reasons for C-23

using FTP C-32

using RCP C-36

using TFTP C-28

User Datagram Protocol

See UDP

user EXEC mode 2-2

username-based authentication 9-6

V

version-dependent transparent mode 14-4

version-mismatch (VM) mode

automatic upgrades with auto-upgrade 5-11

described 5-10

displaying 5-11

manual upgrades with auto-advise 5-11

upgrades with auto-extract 5-11

virtual IP address

cluster standby group 6-11

command switch 6-11

Virtual Private Network

See VPN

virtual router 41-1, 41-2

virtual switches and PAgP 36-6

vlan.dat file 13-5

VLAN 1, disabling on a trunk port 13-22

VLAN 1 minimization 13-21

VLAN ACLs

See VLAN maps

vlan-assignment response, VMPS 13-28

VLAN configuration

at bootup 13-8

saving 13-8

VLAN configuration mode 2-2, 13-7

VLAN database

and startup configuration file 13-8

and VTP 14-1, 33-1

VLAN configuration saved in 13-7

VLANs saved in 13-4

vlan database command 13-7

vlan dot1q tag native command 17-5

VLAN filtering and SPAN 29-7

vlan global configuration command 13-7

VLAN ID, discovering 7-27

VLAN link state 11-5

VLAN load balancing on flex links 21-2

configuration guidelines 21-8

VLAN management domain 14-2

VLAN Management Policy Server

See VMPS

VLAN map entries, order of 34-30

VLAN maps

applying 34-34

common uses for 34-34

configuration guidelines 34-30

configuring 34-29

creating 34-31

defined 34-2

denying access to a server example 34-35

denying and permitting packets 34-31

displaying 34-41

examples of ACLs and VLAN maps 34-32

removing 34-34

support for 1-9

wiring closet configuration example 34-35

VLAN membership

confirming 13-31

modes 13-3

VLAN Query Protocol

See VQP

VLANs

adding 13-9

adding to VLAN database 13-9

aging dynamic addresses 18-9

allowed on trunk 13-21

and spanning-tree instances 13-3, 13-6, 13-13

configuration guidelines, extended-range VLANs 13-13

configuration guidelines, normal-range VLANs 13-6

configuration options 13-7

configuring 13-1

configuring IDs 1006 to 4094 13-13

connecting through SVIs 11-10

creating in config-vlan mode 13-9

creating in VLAN configuration mode 13-10

customer numbering in service-provider networks 17-3

default configuration 13-8

deleting 13-10

described 11-2, 13-1

displaying 13-16

extended-range 13-1, 13-12

features 1-8

illustrated 13-2

internal 13-13

in the switch stack 13-6

limiting source traffic with RSPAN 29-24

limiting source traffic with SPAN 29-16

modifying 13-9

multicast 24-17

native, configuring 13-23

normal-range 13-1, 13-4

number supported 1-8

parameters 13-5

port membership modes 13-3

static-access ports 13-11

STP and IEEE 802.1Q trunks 18-11

supported 13-2

Token Ring 13-6

traffic between 13-2

VLAN-bridge STP 18-11, 47-2

VTP modes 14-3

VLAN Trunking Protocol

See VTP

VLAN trunks 13-16

VMPS

administering 13-32

configuration example 13-33

configuration guidelines 13-29

default configuration 13-29

description 13-27

dynamic port membership

described 13-28

reconfirming 13-31

troubleshooting 13-33

entering server address 13-30

mapping MAC addresses to VLANs 13-28

monitoring 13-32

reconfirmation interval, changing 13-31

reconfirming membership 13-31

retry count, changing 13-32

voice aware 802.1x security

port-based authentication

configuring 10-30

described 10-21, 10-30

voice-over-IP 15-1

voice VLAN

Cisco 7960 phone, port connections 15-1

configuration guidelines 15-3

configuring IP phones for data traffic

override CoS of incoming frame 15-6

trust CoS priority of incoming frame 15-6

configuring ports for voice traffic in

802.1p priority tagged frames 15-5

802.1Q frames 15-5

connecting to an IP phone 15-4

default configuration 15-3

described 15-1

displaying 15-7

IP phone data traffic, described 15-2

IP phone voice traffic, described 15-2

VPN

configuring routing in 37-73

forwarding 37-66

in service provider networks 37-64

routes 37-65

VPN routing and forwarding table

See VRF

VQP 1-8, 13-27

VRF

defining 37-66

tables 37-64

VRF-aware services

ARP 37-70