-
Catalyst 3560 Switch Software Configuration Guide, 12.2(20)SE
-
Index
-
Preface
-
Overview
-
Using the Command-Line Interface
-
Getting Started with CMS
-
Assigning the Switch IP Address and Default Gateway
-
Clustering Switches
-
Administering the Switch
-
Configuring SDM Templates
-
Configuring Switch-Based Authentication
-
Configuring 802.1x Port-Based Authentication
-
Configuring Interface Characteristics
-
Configuring Smartports Macros
-
Configuring VLANs
-
Configuring VTP
-
Configuring Private VLANs
-
Configuring Voice VLAN
-
Configuring STP
-
Configuring MSTP
-
Configuring Optional Spanning-Tree Features
-
Configuring Flex Links
-
Configuring DHCP Features and IP Source Guard
-
Configuring Dynamic ARP Inspection
-
Configuring IGMP Snooping and MVR
-
Configuring Port-Based Traffic Control
-
Configuring CDP
-
Configuring UDLD
-
Configuring SPAN and RSPAN
-
Configuring RMON
-
Configuring System Message Logging
-
Configuring SNMP
-
Configuring Network Security with ACLs
-
Configuring QoS
-
Configuring EtherChannels
-
Configuring IP Unicast Routing
-
Configuring HSRP
-
Configuring IP Multicast Routing
-
Configuring MSDP
-
Configuring Fallback Bridging
-
Troubleshooting
-
Supported MIBs
-
Working with the Cisco IOS File System, Configuration Files, and Software Images
-
Unsupported Commands in Cisco IOS Release 12.2(20)SE
-
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
802.1D
802.1Q
and trunk ports 10-3
configuration limitations 12-19
encapsulation 12-16
native VLAN for untagged traffic 12-23
802.1s
802.1w
802.1x
802.3ad
802.3af
802.3z flow control 10-15
A
abbreviating commands 2-3
ABRs 33-24
AC (command switch) 5-10, 5-18
access-class command 30-19
access control entries
access-denied response, VMPS 12-28
access groups
applying ACLs to interfaces 30-20
IP 30-20
Layer 2 30-20
Layer 3 30-20
accessing
clusters, switch 5-13
command switches 5-11
member switches 5-13
switch clusters 5-13
access lists
access ports
defined 10-3
in switch clusters 5-9
accounting
with RADIUS 8-28
ACEs
and QoS 31-7
defined 30-2
Ethernet 30-2
IP 30-2
ACLs
ACEs 30-2
any keyword 30-12
applying
on bridged packets 30-37
on multicast packets 30-39
on routed packets 30-38
on switched packets 30-37
time ranges to 30-16
ACLs (continued)
applying (continued)
to an interface 30-19
to QoS 31-7
classifying traffic for QoS 31-38
comments in 30-18
compiling 30-22
configuring with VLAN maps 30-36
extended IP
configuring for QoS classification 31-40
creating 30-10
matching criteria 30-7
hardware and software handling 30-21
host keyword 30-12
IP
applying to an interface 30-19
applying to interfaces 30-19
creating 30-7
fragments and QoS guidelines 31-31
implicit deny 30-9, 30-13, 30-15
implicit masks 30-9
matching criteria 30-7
named 30-14
terminal lines, setting on 30-19
undefined 30-21
violations, logging 30-15
limiting actions 30-37
logging messages 30-9
log keyword 30-15
monitoring 30-39
named 30-14
number per QoS class map 31-31
numbers 30-7
port 30-2
precedence of 30-2
ACLs (continued)
resequencing entries 30-14
router 30-2
standard IP
configuring for QoS classification 31-39
creating 30-8
matching criteria 30-7
supported features 30-21
support for 1-6
time ranges 30-16
unsupported features 30-6
using router ACLs with VLAN maps 30-36
VLAN maps
configuration guidelines 30-29
configuring 30-29
active links 19-1
active router 34-1
address aliasing 22-2
addresses
displaying the MAC address table 6-27
dynamic
accelerated aging 16-8
changing the aging time 6-22
default aging 16-8
defined 6-20
learning 6-21
removing 6-22
MAC, discovering 6-27
multicast
group address range 35-3
STP address management 16-8
static
adding and removing 6-25
defined 6-20
Address Resolution Protocol
adjacency tables, with CEF 33-60
administrative distances
defined 33-71
OSPF 33-29
routing protocol defaults 33-62
advertisements
CDP 24-1
RIP 33-19
aggregate addresses, BGP 33-55
aggregated ports
aggregate policers 31-47
aggregate policing 1-7
aging, accelerating 16-8
aging time
accelerated
for MSTP 17-20
MAC address table 6-22
maximum
for MSTP 17-21
for STP 16-21
alarms, RMON 27-3
allowed-VLAN list 12-21
area border routers
ARP
configuring 33-9
encapsulation 33-10
static cache configuration 33-9
table
address resolution 6-27
managing 6-27
ASBRs 33-24
AS-path filters, BGP 33-49
attributes, RADIUS
vendor-proprietary 8-31
vendor-specific 8-29
audience xxxv
authentication
EIGRP 33-37
HSRP 34-9
local mode with AAA 8-36
NTP associations 6-5
RADIUS
key 8-21
login 8-23
See also port-based authentication
TACACS+
defined 8-11
key 8-13
login 8-14
authentication keys, and routing protocols 33-72
authoritative time source, described 6-2
authorization
with RADIUS 8-27
authorized ports with 802.1x 9-4
autoconfiguration 4-3
automatic discovery
adding member switches 5-16
considerations
beyond a noncandidate device 5-7
brand new switches 5-9
connectivity 5-4
different VLANs 5-6
management VLANs 5-7
non-CDP-capable devices 5-6
noncluster-capable devices 5-6
routed ports 5-8
creating a cluster standby group 5-18
in switch clusters 5-4
automatic QoS
automatic recovery, clusters 5-10
autonegotiation
duplex mode 1-3
interface configuration guidelines 10-14
mismatches 38-12
autonomous system boundary routers
autonomous systems, in BGP 33-43
Auto-RP, described 35-5
autosensing, port speed 1-3
auxiliary VLAN
availability, features 1-5
B
BackboneFast
described 18-5
disabling 18-14
enabling 18-13
support for 1-5
backup interfaces
backup links 19-1
banners
configuring
login 6-20
message-of-the-day login 6-19
default configuration 6-18
when displayed 6-18
BGP
aggregate addresses 33-55
aggregate routes, configuring 33-55
CIDR 33-55
clear commands 33-58
community filtering 33-51
configuring neighbors 33-53
default configuration 33-41
described 33-40
enabling 33-43
BGP (continued)
monitoring 33-58
multipath support 33-46
neighbors, types of 33-43
path selection 33-46
peers, configuring 33-53
prefix filtering 33-50
resetting sessions 33-45
route dampening 33-57
route maps 33-48
route reflectors 33-56
routing domain confederation 33-55
show commands 33-58
supernets 33-55
support for 1-8
Version 4 33-40
binding cluster group and HSRP group 34-11
binding database
address, DHCP server
See DHCP, Cisco IOS server database
DHCP snooping
See DHCP snooping binding database
bindings
address, Cisco IOS DHCP server 20-5
DHCP snooping database 20-5
IP source guard 20-15
binding table, DHCP snooping
See DHCP snooping binding database
blocking packets 23-6
booting
boot loader, function of 4-2
boot process 4-1
manually 4-13
specific image 4-13
boot loader
accessing 4-14
described 4-2
environment variables 4-14
boot loader (continued)
prompt 4-14
trap-door mechanism 4-2
bootstrap router (BSR), described 35-5
Border Gateway Protocol
BPDU
error-disabled state 18-3
filtering 18-3
RSTP format 17-9
BPDU filtering
described 18-3
disabling 18-12
enabling 18-12
support for 1-5
BPDU guard
described 18-3
disabling 18-11
enabling 18-11
support for 1-5
bridged packets, ACLs on 30-37
bridge groups
bridge protocol data unit
broadcast flooding 33-16
broadcast packets
directed 33-13
flooded 33-13
broadcast storm-control command 23-3
C
cables, monitoring for unidirectional links 25-1
candidate switch
adding 5-16
automatic discovery 5-4
defined 5-3
candidate switch (continued)
HC 5-19
passwords 5-17
requirements 5-3
standby group 5-18
See also command switch, cluster standby group, and member switch
caution, described xxxvi
CC (command switch) 5-19
CDP
and trusted boundary 31-35
automatic discovery in switch clusters 5-4
configuring 24-2
default configuration 24-2
described 24-1
disabling for routing device 24-3 to 24-4
enabling and disabling
on an interface 24-4
on a switch 24-3
monitoring 24-5
overview 24-1
support for 1-4
transmission timer and holdtime, setting 24-2
updates 24-2
CEF 33-59
CGMP
as IGMP snooping learning method 22-7
clearing cached group entries 35-50
enabling server support 35-32
joining multicast group 22-3
overview 35-7
server support only 35-7
switch support of 1-3
CIDR 33-55
Cisco 7960 IP Phone 15-1
Cisco Discovery Protocol
Cisco Express Forwarding
Cisco Group Management Protocol
Cisco IOS DHCP server
See DHCP, Cisco IOS DHCP server
Cisco IOS File System
classless interdomain routing
classless routing 33-6
class maps for QoS
configuring 31-42
described 31-7
displaying 31-67
class of service
clearing interfaces 10-23
CLI
abbreviating commands 2-3
command modes 2-1
described 1-4
editing features
enabling and disabling 2-6
keystroke editing 2-6
wrapped lines 2-8
error messages 2-4
filtering command output 2-8
getting help 2-3
history
changing the buffer size 2-5
described 2-4
disabling 2-5
recalling commands 2-5
managing clusters 5-20
no and default forms of commands 2-4
client mode, VTP 13-3
clock
Cluster Management Suite
cluster requirements
clusters, switch
accessing 5-13
adding member switches 5-16
automatic discovery 5-4
automatic recovery 5-10
benefits 1-2
command switch configuration 5-16
compatibility 5-4
creating 5-15
creating a cluster standby group 5-18
described 5-1
LRE profile considerations 5-15
managing
through CLI 5-20
through SNMP 5-21
planning 5-4
planning considerations
automatic discovery 5-4
automatic recovery 5-10
CLI 5-20
host names 5-13
IP addresses 5-13
LRE profiles 5-15
passwords 5-14
RADIUS 5-14
switch-specific features 5-15
TACACS+ 5-14
redundancy 5-18
troubleshooting 5-20
cluster standby group
and HSRP group 34-11
automatic recovery 5-12
considerations 5-11
creating 5-18
defined 5-2
requirements 5-3
virtual IP address 5-11
CMS
benefits 1-2
configuration modes 3-5
downloading image files 1-2, 3-15, B-20
Front Panel view, described 3-1
operating systems and supported browsers 3-8
privilege levels 3-6
Topology view 3-14
wizards 3-6
Coarse Wave Division Multiplexer
command-line interface
command modes 2-1
commands
abbreviating 2-3
no and default 2-4
setting privilege levels 8-8
command switch
accessing 5-11
command switch with HSRP disabled (CC) 5-19
configuration conflicts 38-11
defined 5-2
enabling 5-16
password privilege levels 5-21
priority 5-10
command switch (continued)
recovery
from command-switch failure 5-10, 38-8
from lost member connectivity 38-11
replacing
with another switch 38-10
with cluster member 38-8
requirements 5-2
See also candidate switch, cluster standby group, member switch, and standby command switch
community list, BGP 33-52
community ports 14-2
community strings
for cluster switches 29-4
in clusters 5-14
overview 29-4
SNMP 5-14
config.text 4-12
configuration, initial
defaults 1-9
setup (CLI) program 1-9
See also hardware installation guide
configuration conflicts, recovering from lost member connectivity 38-11
configuration examples, network 1-12
configuration files
clearing the startup configuration B-19
creating using a text editor B-10
default name 4-12
deleting a stored configuration B-19
described B-8
downloading
automatically 4-12
configuration files (continued)
downloading (continued)
reasons for B-8
using FTP B-13
using RCP B-17
using TFTP B-11
guidelines for creating and using B-8
invalid combinations when copying B-5
limiting TFTP server access 29-15
obtaining with DHCP 4-7
password recovery disable considerations 8-5
specifying the filename 4-12
system contact and location information 29-14
types and location B-9
uploading
reasons for B-8
using FTP B-15
using RCP B-18
using TFTP B-11
configuration modes, CMS 3-5
configuration settings, saving 4-10
configure terminal command 10-8
conflicts, configuration 38-11
connections, secure remote 8-38
connectivity problems 38-13, 38-14, 38-16
consistency checks in VTP Version 2 13-4
console port, connecting to 2-9
conventions
command xxxvi
for examples xxxvi
publication xxxvi
text xxxvi
corrupted software, recovery steps with Xmodem 38-2
CoS
in Layer 2 frames 31-2
override priority 15-6
trust priority 15-6
CoS input queue threshold map for QoS 31-14
CoS output queue threshold map for QoS 31-17
CoS-to-DSCP map for QoS 31-50
counters, clearing interface 10-23
crashinfo file 38-22
cryptographic software image
Kerberos 8-32
SSH 8-37
CWDM SFPs 1-16
D
daylight saving time 6-13
debugging
enabling all system diagnostics 38-19
enabling for a specific feature 38-18
redirecting error message output 38-19
using commands 38-18
default commands 2-4
default configuration
802.1x 9-10
auto-QoS 31-18
banners 6-18
BGP 33-41
booting 4-11
CDP 24-2
DHCP 20-7
DHCP option 82 20-7
DHCP snooping 20-7
DHCP snooping binding database 20-7
DNS 6-17
dynamic ARP inspection 21-5
EIGRP 33-34
EtherChannel 32-9
fallback bridging 37-3
Flex Links 19-2
HSRP 34-4
IGMP 35-26
IGMP filtering 22-19
default configuration (continued)
IGMP snooping 22-6
IGMP throttling 22-19
initial switch information 4-3
IP addressing, IP routing 33-4
IP multicast routing 35-8
IP source guard 20-16
Layer 2 interfaces 10-12
MAC address table 6-22
MSDP 36-4
MSTP 17-12
MVR 22-14
NTP 6-4
optional spanning-tree configuration 18-9
OSPF 33-25
password and privilege level 8-2
PIM 35-8
private VLANs 14-6
RADIUS 8-20
RIP 33-19
RMON 27-3
RSPAN 26-10
SNMP 29-6
SPAN 26-10
standard QoS 31-29
STP 16-11
system message logging 28-3
system name and prompt 6-15
TACACS+ 8-13
UDLD 25-4
VLAN, Layer 2 Ethernet interfaces 12-19
VLANs 12-8
VMPS 12-29
voice VLAN 15-3
VTP 13-6
default networks 33-63
default routes 33-62
default routing 33-2
deleting VLANs 12-10
description command 10-19
designing your network, examples 1-12
destination addresses, in ACLs 30-11
destination-IP address-based forwarding, EtherChannel 32-7
destination-MAC address forwarding, EtherChannel 32-7
detecting indirect link failures, STP 18-5
device discovery protocol 24-1
Device Manager 3-9
DHCP
Cisco IOS server database
configuring 20-12
default configuration 20-7
described 20-5
enabling
relay agent 20-9
server 20-8
DHCP-based autoconfiguration
client request message exchange 4-4
configuring
client side 4-3
DNS 4-6
relay device 4-6
server side 4-5
server-side 20-8
TFTP server 4-5
example 4-8
lease options
for IP address information 4-5
for receiving the configuration file 4-5
overview 4-3
relationship to BOOTP 4-3
support for 1-4
DHCP binding database
See DHCP snooping binding database
DHCP binding table
See DHCP snooping binding database
DHCP option 82
circuit ID suboption 20-4
configuration guidelines 20-7
default configuration 20-7
displaying 20-13
forwarding address, specifying 20-9
helper address 20-9
overview 20-3
packet format, suboption
circuit ID 20-4
remote ID 20-4
remote ID suboption 20-4
DHCP snooping
and private VLANs 20-11
binding database
See DHCP snooping binding database
configuration guidelines 20-7
default configuration 20-7
displaying binding database 20-14
displaying configuration 20-13
message exchange process 20-4
option 82 data insertion 20-3
trusted interface 20-2
untrusted interface 20-2
untrusted messages 20-2
DHCP snooping binding database
adding bindings 20-12
binding file
format 20-6
location 20-5
bindings 20-5
clearing agent statistics 20-12
configuration guidelines 20-8
configuring 20-12
default configuration 20-7
deleting
binding file 20-12
bindings 20-13
database agent 20-12
DHCP snooping binding database (continued)
described 20-5
displaying
binding entries 20-13
status and statistics 20-14
enabling 20-12
entry 20-5
renewing database 20-12
resetting
delay value 20-12
timeout value 20-12
updating process 20-6
DHCP snooping binding table
See DHCP snooping binding database
Differentiated Services architecture, QoS 31-1
Differentiated Services Code Point 31-2
Diffusing Update Algorithm (DUAL) 33-32
directed unicast requests 1-4
directories
changing B-3
creating and removing B-4
displaying the working B-3
discovery, clusters
Distance Vector Multicast Routing Protocol
distance-vector protocols 33-3
distribute-list command 33-71
DNS
and DHCP-based autoconfiguration 4-6
default configuration 6-17
displaying the configuration 6-18
overview 6-16
setting up 6-17
support for 1-4
documentation, related xxxvii
document conventions xxxvi
domain names
DNS 6-16
VTP 13-8
Domain Name System
downloading
configuration files
reasons for B-8
using FTP B-13
using RCP B-17
using TFTP B-11
image files
deleting old image B-24
reasons for B-20
using FTP B-26
using RCP B-30
using TFTP B-23
DSCP input queue threshold map for QoS 31-14
DSCP output queue threshold map for QoS 31-17
DSCP-to-CoS map for QoS 31-52
DSCP-to-DSCP-mutation map for QoS 31-53
DUAL finite state machine, EIGRP 33-33
duplex mode, configuring 10-13
DVMRP
autosummarization
configuring a summary address 35-46
disabling 35-48
connecting PIM domain to DVMRP router 35-38
enabling unicast routing 35-42
interoperability
with Cisco devices 35-36
with Cisco IOS software 35-7
mrinfo requests, responding to 35-41
DVMRP (continued)
neighbors
advertising the default route to 35-40
discovery with Probe messages 35-36
displaying information 35-41
prevent peering with nonpruning 35-44
rejecting nonpruning 35-42
overview 35-7
routes
adding a metric offset 35-48
advertising all 35-48
advertising the default route to neighbors 35-40
caching DVMRP routes learned in report messages 35-42
changing the threshold for syslog messages 35-45
deleting 35-50
displaying 35-50
favoring one over another 35-48
limiting the number injected into MBONE 35-45
limiting unicast route advertisements 35-36
routing table 35-7
source distribution tree, building 35-7
support for 1-8
tunnels
configuring 35-38
displaying neighbor information 35-41
dynamic access ports
characteristics 12-4
configuring 12-30
defined 10-3
dynamic addresses
dynamic ARP inspection
ARP cache poisoning 21-1
ARP requests, described 21-1
ARP spoofing attack 21-1
clearing
log buffer 21-15
statistics 21-15
dynamic ARP inspection (continued)
configuration guidelines 21-6
configuring
ACLs for non-DHCP environments 21-8
in DHCP environments 21-7
log buffer 21-12
rate limit for incoming ARP packets 21-4, 21-10
default configuration 21-5
denial-of-service attacks, preventing 21-10
described 21-1
DHCP snooping binding database 21-2
displaying
ARP ACLs 21-14
configuration and operating state 21-14
log buffer 21-15
statistics 21-15
trust state and rate limit 21-14
error-disabled state for exceeding rate limit 21-4
function of 21-2
interface trust states 21-3
log buffer
clearing 21-15
configuring 21-12
displaying 21-15
logging of dropped packets, described 21-4
man-in-the middle attack, described 21-2
network security issues and interface trust states 21-3
priority of ARP ACLs and DHCP snooping entries 21-4
rate limiting of ARP packets
configuring 21-10
described 21-4
error-disabled state 21-4
statistics
clearing 21-15
displaying 21-15
validation checks, performing 21-11
dynamic auto trunking mode 12-18
dynamic desirable trunking mode 12-18
Dynamic Host Configuration Protocol
See DHCP-based autoconfiguration
dynamic port VLAN membership
described 12-28
reconfirming 12-31
troubleshooting 12-33
types of connections 12-30
dynamic routing 33-3
Dynamic Trunking Protocol
E
EBGP 33-39
editing features
enabling and disabling 2-6
keystrokes used 2-6
wrapped lines 2-8
EIGRP
and IGRP 33-35
authentication 33-37
components 33-33
configuring 33-35
default configuration 33-34
definition 33-32
interface parameters, configuring 33-36
monitoring 33-38
support for 1-8
enable password 8-4
enable secret password 8-4
encryption for passwords 8-4
Enhanced IGRP
environment variables, function of 4-15
error messages during command entry 2-4
EtherChannel
802.3ad, described 32-5
automatic creation of 32-4, 32-5
EtherChannel (continued)
channel groups
binding physical and logical interfaces 32-3
numbering of 32-3
configuration guidelines 32-9
configuring
Layer 2 interfaces 32-11
Layer 3 physical interfaces 32-14
Layer 3 port-channel logical interfaces 32-13
default configuration 32-9
described 32-2
displaying status 32-21
forwarding methods 32-6, 32-16
interaction
with STP 32-9
with VLANs 32-10
LACP
described 32-5
displaying status 32-21
hot-standby ports 32-18
interaction with other features 32-6
modes 32-6
port priority 32-20
system priority 32-19
Layer 3 interface 33-3
logical interfaces, described 32-3
PAgP
aggregate-port learners 32-17
compatibility with Catalyst 1900 32-17
described 32-4
displaying status 32-21
interaction with other features 32-5
learn method and priority configuration 32-17
modes 32-4
support for 1-3
EtherChannel (continued)
port-channel interfaces
described 32-3
numbering of 32-3
port groups 10-5
support for 1-3
EtherChannel guard
described 18-7
disabling 18-14
enabling 18-14
Ethernet VLANs
adding 12-9
defaults and ranges 12-8
modifying 12-9
events, RMON 27-3
examples
conventions for xxxvi
network configuration 1-12
expedite queue for QoS 31-66
expert mode 3-6
See also hardware installation guide
extended-range VLANs
configuration guidelines 12-13
configuring 12-12
creating 12-13
defined 12-1
extended system ID
MSTP 17-14
Extensible Authentication Protocol over LAN 9-1
external BGP
external neighbors, BGP 33-43
F
fallback bridging
and protected ports 37-3
bridge groups
creating 37-3
described 37-1
displaying 37-10
function of 37-2
number supported 37-4
removing 37-4
bridge table
clearing 37-10
displaying 37-10
configuration guidelines 37-3
connecting interfaces with 10-7
default configuration 37-3
described 37-1
frame forwarding
flooding packets 37-2
forwarding packets 37-2
overview 37-1
protocol, unsupported 37-3
STP
disabling on an interface 37-10
forward-delay interval 37-9
hello BPDU interval 37-8
interface priority 37-6
keepalive messages 16-2
maximum-idle interval 37-9
path cost 37-7
VLAN-bridge spanning-tree priority 37-6
VLAN-bridge STP 37-2
support for 1-8
SVIs and routed ports 37-1
unsupported protocols 37-3
VLAN-bridge STP 16-11
FIB 33-59
fiber-optic, detecting unidirectional links 25-1
files
copying B-4
crashinfo
description 38-22
displaying the contents of 38-22
location 38-22
deleting B-5
displaying the contents of B-7
tar
creating B-6
displaying the contents of B-6
extracting B-7
image file format B-21
file system
displaying available file systems B-2
displaying file information B-3
local file system names B-1
network file system names B-4
setting the default B-3
filtering
in a VLAN 30-29
non-IP traffic 30-26
show and more command output 2-8
filtering show and more command output 2-8
filters, IP
flash device, number of B-1
Flex Links
configuration guidelines 19-2
configuring 19-3
default configuration 19-2
description 19-1
monitoring 19-3
flooded traffic, blocking 23-6
flow-based packet classification 1-7
flowcharts
QoS classification 31-6
QoS egress queueing and scheduling 31-15
flowcharts (continued)
QoS ingress queueing and scheduling 31-13
QoS policing and marking 31-9
forward-delay time
MSTP 17-20
STP 16-21
Forwarding Information Base
forwarding nonroutable protocols 37-1
FTP
accessing MIB files A-3
configuration files
downloading B-13
overview B-12
preparing the server B-13
uploading B-15
image files
deleting old image B-28
downloading B-26
preparing the server B-25
uploading B-28
G
get-bulk-request operation 29-3
get-next-request operation 29-3, 29-4
get-request operation 29-3, 29-4
get-response operation 29-3
global configuration mode 2-2
guest VLAN and 802.1x 9-8
guide
audience xxxv
purpose of xxxv
H
hardware limitations and Layer 3 interfaces 10-20
HC (candidate switch) 5-19
hello time
MSTP 17-19
STP 16-20
help, for the command line 2-3
history
changing the buffer size 2-5
described 2-4
disabling 2-5
recalling commands 2-5
history table, level and number of syslog messages 28-9
host names
abbreviations appended to 5-18
in clusters 5-13
host ports
configuring 14-11
kinds of 14-2
hosts, limit on dynamic ports 12-33
Hot Standby Router Protocol
HP OpenView 1-4
HSRP
authentication string 34-9
automatic cluster recovery 5-12
binding to cluster group 34-11
cluster standby group considerations 5-11
command-switch redundancy 1-1, 1-5
configuring 34-3
default configuration 34-4
definition 34-1
guidelines 34-4
monitoring 34-11
HSRP (continued)
overview 34-1
priority 34-6
routing redundancy 1-8
support for ICMP redirect messages 34-10 to 34-11
timers 34-9
tracking 34-6
See also clusters, cluster standby group, and standby command switch
I
IBPG 33-39
ICMP
redirect messages 33-11
support for 1-8
time-exceeded messages 38-16
traceroute and 38-16
unreachable messages 30-20
unreachables and ACLs 30-21
ICMP ping
executing 38-13
overview 38-13
ICMP Router Discovery Protocol
IDS appliances
and ingress RSPAN 26-20
and ingress SPAN 26-13
IEEE 802.1p 15-1
ifIndex values, SNMP 29-5
IFS 1-4
IGMP
configuring the switch
as a member of a group 35-26
statically connected member 35-31
controlling access to groups 35-27
default configuration 35-26
deleting cache entries 35-50
displaying groups 35-50
IGMP (continued)
fast switching 35-31
host-query interval, modifying 35-29
joining multicast group 22-3
join messages 22-3
leave processing, enabling 22-10
leaving multicast group 22-4
multicast reachability 35-26
overview 35-2
queries 22-3
report suppression
described 22-5
disabling 22-10
support for 1-3
Version 1
changing to Version 2 35-28
described 35-3
Version 2
changing to Version 1 35-28
described 35-3
maximum query response time value 35-30
pruning groups 35-30
query timeout value 35-30
IGMP filtering
configuring 22-20
default configuration 22-19
described 22-19
monitoring 22-24
support for 1-3
IGMP groups
configuring filtering 22-22
setting the maximum number 22-22
IGMP profile
applying 22-21
configuration mode 22-20
configuring 22-20
IGMP snooping
and address aliasing 22-2
configuring 22-5
IGMP snooping (continued)
default configuration 22-6
definition 22-1
enabling and disabling 22-6
global configuration 22-6
Immediate Leave 22-5
method 22-7
monitoring 22-11
support for 1-3
VLAN configuration 22-6
IGMP throttling
configuring 22-22
default configuration 22-19
described 22-19
displaying action 22-24
IGP 33-24
IGRP
split horizon 33-23
support for 1-8
Immediate Leave, IGMP
described 22-5
enabling 22-10
initial configuration
defaults 1-9
setup (CLI) program 1-9
See also hardware installation guide
interface
number 10-7
range macros 10-10
interface command 10-7 to 10-8
interface configuration mode 2-2
interfaces
configuration guidelines
duplex and speed 10-14
configuring
duplex mode 10-13
procedure 10-8
speed 10-13
interfaces (continued)
counters, clearing 10-23
described 10-19
descriptive name, adding 10-19
displaying information about 10-23
flow control 10-15
management 1-4
monitoring 10-22
naming 10-19
physical, identifying 10-7
range of 10-8
restarting 10-24
shutting down 10-24
status 10-22
supported 10-7
types of 10-1
interfaces range macro command 10-10
interface types 10-7
Interior Gateway Protocol
Interior Gateway Routing Protocol
internal BGP
internal neighbors, BGP 33-43
Internet Control Message Protocol
Internet Group Management Protocol
Inter-Switch Link
Intrusion Detection System
inventory, cluster 5-20
ip access group command 30-20
IP ACLs
applying to an interface 30-19
extended, creating 30-10
IP ACLs (continued)
for QoS classification 31-7
implicit deny 30-9, 30-13, 30-15
implicit masks 30-9
logging 30-15
named 30-14
standard, creating 30-8
undefined 30-21
virtual terminal lines, setting on 30-19
IP addresses
classes of 33-5
cluster access 5-2
command switch 5-2, 5-11, 5-13
default configuration 33-4
discovering 6-27
for IP routing 33-4
MAC address association 33-8
monitoring 33-17
redundant clusters 5-11
standby command switch 5-11, 5-13
IP broadcast address 33-15
ip cef distributed command 33-60
IP directed broadcasts 33-13
ip igmp profile command 22-20
IP information
assigned
manually 4-9
through DHCP-based autoconfiguration 4-3
default configuration 4-3
IP multicast routing
addresses
all-hosts 35-3
all-multicast-routers 35-3
host group address range 35-3
administratively-scoped boundaries, described 35-34
and IGMP snooping 22-1
IP multicast routing (continued)
Auto-RP
adding to an existing sparse-mode cloud 35-14
benefits of 35-13
clearing the cache 35-50
configuration guidelines 35-9
filtering incoming RP announcement messages 35-16
overview 35-5
preventing candidate RP spoofing 35-16
preventing join messages to false RPs 35-15
setting up in a new internetwork 35-13
using with BSR 35-21
bootstrap router
configuration guidelines 35-9
configuring candidate BSRs 35-19
configuring candidate RPs 35-20
defining the IP multicast boundary 35-18
defining the PIM domain border 35-17
overview 35-5
using with Auto-RP 35-21
Cisco implementation 35-2
configuring
basic multicast routing 35-10
IP multicast boundary 35-34
default configuration 35-8
enabling
multicast forwarding 35-10
PIM mode 35-11
group-to-RP mappings
Auto-RP 35-5
BSR 35-5
MBONE
deleting sdr cache entries 35-50
described 35-33
displaying sdr cache 35-51
enabling sdr listener support 35-33
limiting DVMRP routes advertised 35-45
limiting sdr cache entry lifetime 35-34
IP multicast routing (continued)
MBONE (continued)
SAP packets for conference session announcement 35-33
Session Directory (sdr) tool, described 35-33
monitoring
packet rate loss 35-51
peering devices 35-51
tracing a path 35-51
multicast forwarding, described 35-6
PIMv1 and PIMv2 interoperability 35-9
protocol interaction 35-2
reverse path check (RPF) 35-6
routing table
deleting 35-50
displaying 35-51
RP
assigning manually 35-12
configuring Auto-RP 35-13
configuring PIMv2 BSR 35-17
monitoring mapping information 35-22
using Auto-RP and BSR 35-21
statistics, displaying system and network 35-50
IP phones
and QoS 15-1
automatic classification and queueing 31-18
configuring 15-4
ensuring port security with QoS 31-35
trusted boundary for QoS 31-35
IP precedence 31-2
IP-precedence-to-DSCP map for QoS 31-50
IP protocols
in ACLs 30-11
routing 1-8
IP routes, monitoring 33-73
IP routing
connecting interfaces with 10-7
disabling 33-18
enabling 33-18
IP source guard
and 802.1x 20-16
and DHCP snooping 20-15
and EtherChannels 20-16
and port security 20-16
and routed ports 20-16
and TCAM entries 20-16
and trunk interfaces 20-16
and VRF 20-16
binding configuration
automatic 20-15
manual 20-15
binding table 20-15
configuration guidelines 20-16
default configuration 20-16
described 20-15
disabling 20-17
displaying
bindings 20-18
configuration 20-18
enabling 20-17
filtering
source IP address 20-15
source IP and MAC address 20-15
source IP address filtering 20-15
source IP and MAC address filtering 20-15
static bindings
adding 20-17
deleting 20-17
IP traceroute
executing 38-17
overview 38-16
IP unicast routing
address resolution 33-8
administrative distances 33-62, 33-71
IP unicast routing (continued)
ARP 33-8
assigning IP addresses to Layer 3 interfaces 33-5
authentication keys 33-72
broadcast
address 33-15
flooding 33-16
packets 33-13
storms 33-13
classless routing 33-6
configuring static routes 33-61
default
addressing configuration 33-4
gateways 33-11
networks 33-63
routes 33-62
routing 33-2
directed broadcasts 33-13
disabling 33-18
dynamic routing 33-3
enabling 33-18
EtherChannel Layer 3 interface 33-3
IGP 33-24
inter-VLAN 33-2
IP addressing
classes 33-5
configuring 33-4
IRDP 33-12
Layer 3 interfaces 33-3
MAC address and IP address 33-8
passive interfaces 33-70
protocols
distance-vector 33-3
dynamic 33-3
link-state 33-3
proxy ARP 33-8
redistribution 33-63
reverse address resolution 33-8
routed ports 33-3
IP unicast routing (continued)
static routing 33-2
steps to configure 33-4
subnet mask 33-5
subnet zero 33-6
supernet 33-6
UDP 33-15
with SVIs 33-3
IRDP
configuring 33-12
definition 33-12
support for 1-8
ISL
and trunk ports 10-3
isolated port 14-2
J
join messages, IGMP 22-3
K
KDC
described 8-32
keepalive messages 16-2
Kerberos
authenticating to
boundary switch 8-35
KDC 8-35
network services 8-35
configuration examples 8-32
Kerberos (continued)
configuring 8-36
credentials 8-32
cryptographic software image 8-32
described 8-32
KDC 8-32
operation 8-34
realm 8-33
server 8-33
support for 1-7
switch as trusted third party 8-32
terms 8-33
TGT 8-34
tickets 8-32
key distribution center
L
LACP
Layer 2 frames, classification with CoS 31-2
Layer 2 interfaces, default configuration 10-12
Layer 2 traceroute
and ARP 38-15
and CDP 38-15
broadcast traffic 38-15
described 38-15
IP addresses and subnets 38-15
MAC addresses and VLANs 38-15
multicast traffic 38-15
multiple devices on a port 38-16
unicast traffic 38-15
usage guidelines 38-15
Layer 2 trunks 12-17
Layer 3 features 1-8
Layer 3 interfaces
assigning IP addresses to 33-5
changing from Layer 2 mode 33-5
types of 33-3
Layer 3 packets, classification methods 31-2
LEDs, switch
See hardware installation guide
line configuration mode 2-2
Link Aggregation Control Protocol
link redundancy
links, unidirectional 25-1
link state advertisements (LSAs) 33-28
link-state protocols 33-3
load balancing 34-6
logging messages, ACL 30-9
login authentication
with RADIUS 8-23
with TACACS+ 8-14
login banners 6-18
log messages
Long-Reach Ethernet (LRE) technology 1-13
loop guard
described 18-9
enabling 18-15
support for 1-5
LRE profiles, considerations in switch clusters 5-15
M
MAC addresses
aging time 6-22
and VLAN association 6-21
building the address table 6-21
MAC addresses (continued)
default configuration 6-22
discovering 6-27
displaying 6-27
displaying in DHCP snooping binding database 20-14
displaying in the IP source binding table 20-18
dynamic
learning 6-21
removing 6-22
in ACLs 30-26
IP address association 33-8
static
adding 6-25
allowing 6-27
characteristics of 6-25
dropping 6-26
removing 6-25
MAC address notification, support for 1-9
MAC address-to-VLAN mapping 12-28
MAC extended access lists
applying to Layer 2 interfaces 30-28
configuring for QoS 31-41
creating 30-26
defined 30-26
for QoS classification 31-5
macros
manageability features 1-4
management access
in-band
browser session 1-4
CLI session 1-4
CMS 1-4
SNMP 1-4
out-of-band console port connection 1-4
management options
CLI 2-1
clustering 1-3
CMS 1-2
overview 1-4
management VLAN
considerations in switch clusters 5-7
discovery through different management VLANs 5-7
mapping tables for QoS
configuring
CoS-to-DSCP 31-50
DSCP 31-49
DSCP-to-CoS 31-52
DSCP-to-DSCP-mutation 31-53
IP-precedence-to-DSCP 31-50
policed-DSCP 31-51
described 31-10
marking
action in policy map 31-44
action with aggregate policers 31-47
matching, ACLs 30-7
maximum aging time
MSTP 17-21
STP 16-21
maximum hop count, MSTP 17-21
maximum-paths command 33-46, 33-61
membership mode, VLAN port 12-3
member switch
adding 5-16
automatic discovery 5-4
defined 5-2
managing 5-20
passwords 5-13
recovering from lost connectivity 38-11
requirements 5-3
See also candidate switch, cluster standby group, and standby command switch
menu bar variations 3-4
messages
logging ACL violations 30-15
to users through banners 6-18
metrics, in BGP 33-47
metric translations, between routing protocols 33-67
MHSRP 34-7
MIBs
accessing files with FTP A-3
location of files A-3
overview 29-1
SNMP interaction with 29-4
supported A-1
mirroring traffic for analysis 26-1
mismatches, autonegotiation 38-12
module number 10-7
monitoring
access groups 30-39
ACL configuration 30-39
BGP 33-58
cables for unidirectional links 25-1
CDP 24-5
CEF 33-60
EIGRP 33-38
fallback bridging 37-10
features 1-9
Flex Links 19-3
HSRP 34-11
IGMP
filters 22-24
snooping 22-11
interfaces 10-22
IP
address tables 33-17
multicast routing 35-49
routes 33-73
monitoring (continued)
MSDP peers 36-19
multicast router interfaces 22-11
MVR 22-18
network traffic for analysis with probe 26-2
OSPF 33-32
port
blocking 23-16
protection 23-16
private VLANs 14-15
RP mapping information 35-22
source-active messages 36-19
speed and duplex mode 10-15
traffic flowing among switches 27-1
traffic suppression 23-15
VLAN
filters 30-40
maps 30-40
VLANs 12-15
VMPS 12-32
VTP 13-15
MSDP
benefits of 36-3
clearing MSDP connections and statistics 36-19
controlling source information
forwarded by switch 36-12
originated by switch 36-9
received by switch 36-14
default configuration 36-4
dense-mode regions
sending SA messages to 36-17
specifying the originating address 36-18
filtering
incoming SA messages 36-14
SA messages to a peer 36-12
SA requests from a peer 36-11
join latency, defined 36-6
MSDP (continued)
meshed groups
configuring 36-16
defined 36-16
originating address, changing 36-18
overview 36-1
peer-RPF flooding 36-2
peers
configuring a default 36-4
monitoring 36-19
peering relationship, overview 36-1
requesting source information from 36-8
shutting down 36-16
source-active messages
caching 36-6
clearing cache entries 36-19
defined 36-2
filtering from a peer 36-11
filtering incoming 36-14
filtering to a peer 36-12
limiting data with TTL 36-14
monitoring 36-19
restricting advertised sources 36-9
support for 1-8
MSTP
boundary ports
configuration guidelines 17-13
described 17-5
BPDU filtering
described 18-3
enabling 18-12
BPDU guard
described 18-3
enabling 18-11
CIST, described 17-3
configuration guidelines 17-12, 18-10
MSTP (continued)
configuring
forward-delay time 17-20
hello time 17-19
link type for rapid convergence 17-22
maximum aging time 17-21
maximum hop count 17-21
MST region 17-13
path cost 17-18
port priority 17-17
root switch 17-14
secondary root switch 17-16
switch priority 17-19
CST
defined 17-3
operations between regions 17-4
default configuration 17-12
default optional feature configuration 18-9
displaying status 17-23
enabling the mode 17-13
EtherChannel guard
described 18-7
enabling 18-14
extended system ID
effects on root switch 17-14
effects on secondary root switch 17-16
unexpected behavior 17-15
instances supported 16-9
interface state, blocking to forwarding 18-2
interoperability and compatibility among modes 16-10
interoperability with 802.1D
described 17-5
restarting migration process 17-22
IST
defined 17-3
master 17-3
operations within a region 17-3
MSTP (continued)
loop guard
described 18-9
enabling 18-15
mapping VLANs to MST instance 17-13
MST region
CIST 17-3
configuring 17-13
described 17-2
hop-count mechanism 17-5
IST 17-3
supported spanning-tree instances 17-2
optional features supported 1-5
overview 17-2
Port Fast
described 18-2
enabling 18-10
preventing root switch selection 18-8
root guard
described 18-8
enabling 18-14
root switch
configuring 17-15
effects of extended system ID 17-14
unexpected behavior 17-15
shutdown Port Fast-enabled port 18-3
status, displaying 17-23
multicast groups
Immediate Leave 22-5
joining 22-3
leaving 22-4
static joins 22-9
multicast packets
ACLs on 30-39
blocking 23-6
multicast router interfaces, monitoring 22-11
multicast router ports, adding 22-8
Multicast Source Discovery Protocol
multicast storm 23-2
multicast storm-control command 23-4
Multicast VLAN Registration
Multiple HSRP
Multiple Spanning Tree Protocol
MVR
and address aliasing 22-15
configuring interfaces 22-16
default configuration 22-14
described 22-12
modes 22-16
monitoring 22-18
setting global parameters 22-15
support for 1-3
N
named IP ACLs 30-14
native VLAN
configuring 12-23
default 12-23
neighbor discovery/recovery, EIGRP 33-33
neighbors, BGP 33-53
network configuration examples
increasing network performance 1-12
large network 1-15
long-distance, high-bandwidth transport 1-16
providing network services 1-13
small to medium-sized network 1-13
network design
performance 1-12
services 1-13
network management
CDP 24-1
RMON 27-1
SNMP 29-1
Network Time Protocol
no commands 2-4
non-IP traffic filtering 30-26
nontrunking mode 12-18
normal-range VLANs
configuration modes 12-7
defined 12-1
no switchport command 10-4
note, described xxxvi
not-so-stubby areas
NSSA, OSPF 33-28
NTP
associations
authenticating 6-5
defined 6-2
enabling broadcast messages 6-7
peer 6-6
server 6-6
default configuration 6-4
displaying the configuration 6-11
overview 6-2
restricting access
creating an access group 6-9
disabling NTP services per interface 6-10
source IP address, configuring 6-10
stratum 6-2
support for 1-4
synchronizing devices 6-6
time
services 6-2
synchronizing 6-2
O
Open Shortest Path First
optimizing system resources 7-1
options, management 1-4
OSPF
area parameters, configuring 33-28
configuring 33-26
default configuration
metrics 33-29
route 33-29
settings 33-25
described 33-24
interface parameters, configuring 33-27
LSA group pacing 33-31
monitoring 33-32
router IDs 33-31
route summarization 33-29
support for 1-8
virtual links 33-29
out-of-profile markdown 1-7
P
packet modification, with QoS 31-17
PAgP
parallel paths, in routing tables 33-61
passive interfaces
configuring 33-70
OSPF 33-29
passwords
default configuration 8-2
disabling recovery of 8-5
encrypting 8-4
for security 1-6
overview 8-1
recovery of 38-4
setting
enable 8-3
passwords (continued)
setting (continued)
enable secret 8-4
Telnet 8-6
with usernames 8-7
VTP domain 13-8
path cost
MSTP 17-18
STP 16-18
PBR
defined 33-67
enabling 33-68
fast-switched policy-based routing 33-69
local policy-based routing 33-69
PC (passive command switch) 5-10, 5-18
peers, BGP 33-53
performance, network design 1-12
performance features 1-3
per-VLAN spanning-tree plus
physical ports 10-2
PIM
default configuration 35-8
dense mode
overview 35-4
rendezvous point (RP), described 35-4
RPF lookups 35-7
displaying neighbors 35-51
enabling a mode 35-11
overview 35-3
router-query message interval, modifying 35-25
shared tree and source tree, overview 35-22
shortest path tree, delaying the use of 35-24
sparse mode
join messages and shared tree 35-4
overview 35-4
prune messages 35-5
RPF lookups 35-7
support for 1-8
PIM (continued)
versions
interoperability 35-9
troubleshooting interoperability problems 35-22
v2 improvements 35-4
PIM-DVMRP, as snooping method 22-7
ping
character output description 38-14
executing 38-13
overview 38-13
PoE
configuring 10-17
support for 1-9
troubleshooting 38-12
policed-DSCP map for QoS 31-51
policers
configuring
for each matched traffic class 31-44
for more than one traffic class 31-47
described 31-3
displaying 31-67
number of 31-31
types of 31-8
policing
described 31-3
token-bucket algorithm 31-9
policy-based routing
policy maps for QoS
characteristics of 31-44
configuring 31-44
described 31-7
displaying 31-68
port ACLs
defined 30-2
types of 30-3
Port Aggregation Protocol
port-based authentication
accounting 9-5
authentication server
defined 9-2
RADIUS server 9-2
client, defined 9-2
configuration guidelines 9-11
configuring
802.1x authentication 9-12
guest VLAN 9-19
host mode 9-18
manual re-authentication of a client 9-15
periodic re-authentication 9-15
quiet period 9-15
RADIUS server 9-14
RADIUS server parameters on the switch 9-13
switch-to-client frame-retransmission number 9-17
switch-to-client retransmission time 9-16
default configuration 9-10
described 9-1
device roles 9-2
displaying statistics 9-21
EAPOL-start frame 9-3
EAP-request/identity frame 9-3
EAP-response/identity frame 9-3
encapsulation 9-3
guest VLAN
configuration guidelines 9-8
described 9-8
initiation and message exchange 9-3
method lists 9-12
multiple-hosts mode, described 9-18
per-user ACLs
AAA authorization 9-12
configuration tasks 9-9
described 9-9
RADIUS server attributes 9-9
port-based authentication (continued)
ports
authorization state and dot1x port-control command 9-4
authorized and unauthorized 9-4
voice VLAN 9-7
port security
and voice VLAN 9-6
described 9-6
interactions 9-6
multiple-hosts mode 9-18
resetting to default values 9-20
statistics, displaying 9-21
switch
as proxy 9-2
RADIUS client 9-2
topologies, supported 9-5
upgrading from a previous release 31-24
VLAN assignment
AAA authorization 9-12
characteristics 9-7
configuration tasks 9-8
described 9-7
voice VLAN
described 9-7
PVID 9-7
VVID 9-7
port-channel
Port Fast
described 18-2
enabling 18-10
mode, spanning tree 12-29
support for 1-5
port membership modes, VLAN 12-3
port priority
MSTP 17-17
STP 16-17
ports
access 10-3
blocking 23-6
dynamic access 12-4
protected 23-5
routed 10-4
secure 23-7
switch 10-2
VLAN assignments 12-11
port security
aging 23-14
and QoS trusted boundary 31-35
configuring 23-10
default configuration 23-9
described 23-7
displaying 23-16
sticky learning 23-8
violations 23-8
with other features 23-10
port-shutdown response, VMPS 12-28
Power over Ethernet
preferential treatment of traffic
prefix lists, BGP 33-50
preventing unauthorized access 8-1
primary links 19-1
priority
HSRP 34-6
overriding CoS 15-6
trusting CoS 15-6
private VLAN edge ports
private VLANs
across multiple switches 14-4
and SDM template 14-4
and SVIs 14-5
benefits of 14-1
community ports 14-2
configuration guidelines 14-6, 14-7, 14-8
configuration tasks 14-6
configuring 14-10
default configuration 14-6
end station access to 14-3
IP addressing 14-3
isolated port 14-2
mapping 14-14
monitoring 14-15
ports
community 14-2
configuration guidelines 14-8
configuring host ports 14-11
configuring promiscuous ports 14-13
described 12-4
isolated 14-2
promiscuous 14-2
promiscuous ports 14-2
secondary VLANs 14-2
subdomains 14-1
traffic in 14-5
privileged EXEC mode 2-2
privilege levels
changing the default for lines 8-9
command switch 5-21
exiting 8-10
in CMS 3-6
logging into 8-10
privilege levels (continued)
mapping on member switches 5-21
setting a command with 8-8
promiscuous ports
configuring 14-13
defined 14-2
protocol-dependent modules, EIGRP 33-33
Protocol-Independent Multicast Protocol
proxy ARP
configuring 33-10
definition 33-8
with IP routing disabled 33-11
pruning, VTP
disabling
in VTP domain 13-14
on a port 12-23
enabling
in VTP domain 13-13
on a port 12-22
examples 13-5
overview 13-4
pruning-eligible list
changing 12-22
for VTP pruning 13-4
VLANs 13-14
PVST+
802.1Q trunking interoperability 16-10
described 16-9
instances supported 16-9
Q
QoS
and MQC commands 31-1
auto-QoS
categorizing traffic 31-18
configuration and defaults display 31-28
configuration guidelines 31-23
described 31-18
disabling 31-25
displaying generated commands 31-25
displaying the initial configuration 31-28
effects on running configuration 31-23
egress queue defaults 31-19
enabling for VoIP 31-24
example configuration 31-26
ingress queue defaults 31-19
list of generated commands 31-20
basic model 31-3
classification
class maps, described 31-7
defined 31-3
flowchart 31-6
forwarding treatment 31-3
in frames and packets 31-2
MAC ACLs, described 31-5, 31-7
options for IP traffic 31-5
options for non-IP traffic 31-5
policy maps, described 31-7
trust DSCP, described 31-5
trusted CoS, described 31-5
trust IP precedence, described 31-5
QoS (continued)
class maps
configuring 31-42
displaying 31-67
configuration guidelines
auto-QoS 31-23
standard QoS 31-31
configuring
aggregate policers 31-47
auto-QoS 31-18
default port CoS value 31-34
DSCP maps 31-49
DSCP trust states bordering another domain 31-36
egress queue characteristics 31-60
ingress queue characteristics 31-55
IP extended ACLs 31-40
IP standard ACLs 31-38
MAC ACLs 31-41
policy maps 31-44
port trust states within the domain 31-32
trusted boundary 31-35
default auto configuration 31-18
default standard configuration 31-29
displaying statistics 31-67
egress queues
allocating buffer space 31-60
buffer allocation scheme, described 31-16
configuring shaped weights for SRR 31-64
configuring shared weights for SRR 31-65
described 31-4
displaying the threshold map 31-63
flowchart 31-15
mapping DSCP or CoS values 31-62
scheduling, described 31-4
setting WTD thresholds 31-60
WTD, described 31-17
enabling globally 31-32
QoS (continued)
flowcharts
classification 31-6
egress queueing and scheduling 31-15
ingress queueing and scheduling 31-13
policing and marking 31-9
implicit deny 31-7
ingress queues
allocating bandwidth 31-58
allocating buffer space 31-57
buffer and bandwidth allocation, described 31-14
configuring shared weights for SRR 31-58
configuring the priority queue 31-59
described 31-3
displaying the threshold map 31-56
flowchart 31-13
mapping DSCP or CoS values 31-55
priority queue, described 31-14
scheduling, described 31-3
setting WTD thresholds 31-55
WTD, described 31-14
IP phones
automatic classification and queueing 31-18
detection and trusted settings 31-18, 31-35
limiting bandwidth on egress interface 31-66
mapping tables
CoS-to-DSCP 31-50
displaying 31-67
DSCP-to-CoS 31-52
DSCP-to-DSCP-mutation 31-53
IP-precedence-to-DSCP 31-50
policed-DSCP 31-51
types of 31-10
marked-down actions 31-45
overview 31-1
packet modification 31-17
QoS (continued)
policers
described 31-8
displaying 31-67
number of 31-31
types of 31-8
policies, attaching to an interface 31-9
policing
token bucket algorithm 31-9
policy maps
characteristics of 31-44
configuring 31-44
displaying 31-68
QoS label, defined 31-3
queues
configuring egress characteristics 31-60
configuring ingress characteristics 31-55
high priority (expedite) 31-17, 31-66
location of 31-11
SRR, described 31-12
WTD, described 31-11
rewrites 31-17
support for 1-7
trust states
bordering another domain 31-36
described 31-5
trusted device 31-35
within the domain 31-32
quality of service
queries, IGMP 22-3
R
RADIUS
attributes
vendor-proprietary 8-31
vendor-specific 8-29
configuring
accounting 8-28
authentication 8-23
authorization 8-27
communication, global 8-21, 8-29
communication, per-server 8-21
multiple UDP ports 8-21
default configuration 8-20
defining AAA server groups 8-25
displaying the configuration 8-31
identifying the server 8-21
in clusters 5-14
limiting the services to the user 8-27
method list, defined 8-20
operation of 8-19
overview 8-18
suggested network environments 8-18
support for 1-7
tracking services accessed by user 8-28
range
macro 10-10
of interfaces 10-9
rapid convergence 17-7
rapid per-VLAN spanning-tree plus
rapid PVST+
802.1Q trunking interoperability 16-10
described 16-9
instances supported 16-9
Rapid Spanning Tree Protocol
RARP 33-8
rcommand command 5-20
RCP
configuration files
downloading B-17
overview B-16
preparing the server B-16
uploading B-18
image files
deleting old image B-32
downloading B-30
preparing the server B-29
uploading B-32
reconfirmation interval, VMPS, changing 12-31
recovery procedures 38-1
redundancy
EtherChannel 32-2
HSRP 34-1
STP
backbone 16-8
path cost 12-26
port priority 12-24
redundant clusters
redundant links and UplinkFast 18-12
reliable transport protocol, EIGRP 33-33
reloading software 4-16
Remote Authentication Dial-In User Service
Remote Copy Protocol
Remote Network Monitoring
Remote SPAN
report suppression, IGMP
described 22-5
disabling 22-10
requirements
cluster
resequencing ACL entries 30-14
resets, in BGP 33-45
resetting a UDLD-shutdown interface 25-6
restricting access
NTP services 6-8
overview 8-1
passwords and privilege levels 8-2
RADIUS 8-18
TACACS+ 8-10
retry count, VMPS, changing 12-32
reverse address resolution 33-8
Reverse Address Resolution Protocol
RFC
1058, RIP 33-19
1112, IP multicast and IGMP 22-2
1157, SNMPv1 29-2
1163, BGP 33-39
1166, IP addresses 33-5
1253, OSPF 33-24
1267, BGP 33-39
1305, NTP 6-2
1587, NSSAs 33-24
1757, RMON 27-2
1771, BGP 33-39
1901, SNMPv2C 29-2
1902 to 1907, SNMPv2 29-2
2236, IP multicast and IGMP 22-2
2273-2275, SNMPv3 29-2
RIP
advertisements 33-19
authentication 33-21
configuring 33-20
default configuration 33-19
described 33-19
hop counts 33-19
split horizon 33-22
summary addresses 33-22
support for 1-8
RMON
default configuration 27-3
displaying status 27-6
enabling alarms and events 27-3
groups supported 27-2
overview 27-1
statistics
collecting group Ethernet 27-6
collecting group history 27-5
support for 1-9
root guard
described 18-8
enabling 18-14
support for 1-5
root switch
MSTP 17-14
STP 16-14
route calculation timers, OSPF 33-30
route dampening, BGP 33-57
routed packets, ACLs on 30-38
routed ports
configuring 33-3
defined 10-4
in switch clusters 5-8
route-map command 33-69
route maps
BGP 33-48
policy-based routing 33-67
router ACLs
defined 30-2
types of 30-4
route reflectors, BGP 33-56
router ID, OSPF 33-31
route selection, BGP 33-46
route summarization, OSPF 33-29
routing
default 33-2
dynamic 33-3
redistribution of information 33-63
static 33-2
routing domain confederation, BGP 33-55
Routing Information Protocol
routing protocol administrative distances 33-62
RSPAN
characteristics 26-8
configuration guidelines 26-16
default configuration 26-10
destination ports 26-7
displaying status 26-23
interaction with other features 26-8
monitored ports 26-5
monitoring ports 26-7
received traffic 26-4
session limits 26-10
sessions
creating 26-17
defined 26-3
limiting source traffic to specific VLANs 26-22
specifying monitored ports 26-17
with ingress traffic enabled 26-20
source ports 26-5
transmitted traffic 26-5
VLAN-based 26-6
RSTP
active topology 17-6
BPDU
format 17-9
processing 17-10
designated port, defined 17-6
RSTP (continued)
designated switch, defined 17-6
interoperability with 802.1D
described 17-5
restarting migration process 17-22
topology changes 17-10
overview 17-6
port roles
described 17-6
synchronized 17-8
proposal-agreement handshake process 17-7
rapid convergence
described 17-7
edge ports and Port Fast 17-7
point-to-point links 17-7, 17-22
root ports 17-7
root port, defined 17-6
running configuration, saving 4-10
S
SC (standby command switch) 5-10, 5-18
scheduled reloads 4-16
SDM
described 7-1
templates
configuring 7-3
number of 7-1
SDM template
configuring 7-2
types of 7-1
secondary VLANs 14-2
secure MAC addresses
deleting 23-13
maximum number of 23-8
types of 23-8
secure ports, configuring 23-7
secure remote connections 8-38
security, port 23-7
security features 1-6
sequence numbers in log messages 28-7
server mode, VTP 13-3
service-provider network, MSTP and RSTP 17-1
set-request operation 29-4
setup (CLI) program 1-9
See also hardware installation guide
setup program
failed command switch replacement 38-10
replacing failed command switch 38-8
severity levels, defining in system messages 28-8
SFPs
monitoring status of 1-9, 10-23, 38-13
security and identification 38-12
shaped round robin
show access-lists hw-summary command 30-21
show and more command output, filtering 2-8
show cdp traffic command 24-5
show cluster members command 5-20
show configuration command 10-19
show forward command 38-19
show interfaces command 10-15, 10-19
show platform forward command 38-19
show running-config command
displaying ACLs 30-19, 30-20, 30-31, 30-33
interface description in 10-19
shutdown command on interfaces 10-24
Simple Network Management Protocol
Smartports macros
applying Cisco-default macros 11-6
applying global parameter values 11-5, 11-6
applying macros 11-5
Smartports macros (continued)
applying parameter values 11-5, 11-7
configuration guidelines 11-3
creating 11-4
default configuration 11-2
defined 11-1
displaying 11-8
tracing 11-3
website 11-2
SNAP 24-1
SNMP
accessing MIB variables with 29-4
agent
described 29-4
disabling 29-8
authentication level 29-10
community strings
configuring 29-8
for cluster switches 29-4
overview 29-4
configuration examples 29-15
default configuration 29-6
engine ID 29-7
host 29-7
ifIndex values 29-5
in-band management 1-4
in clusters 5-14
informs
and trap keyword 29-11
described 29-5
differences from traps 29-5
disabling 29-14
enabling 29-14
limiting access by TFTP servers 29-15
limiting system log messages to NMS 28-9
managing clusters with 5-21
SNMP (continued)
MIBs
location of A-3
supported A-1
notifications 29-5
security levels 29-3
status, displaying 29-16
system contact and location 29-14
trap manager, configuring 29-13
traps
differences from informs 29-5
disabling 29-14
enabling 29-11
enabling MAC address notification 6-23
types of 29-11
versions supported 29-2
SNMPv1 29-2
SNMPv2C 29-2
SNMPv3 29-2
snooping, IGMP 22-1
software images
location in flash B-20
recovery procedures 38-2
scheduling reloads 4-16
tar file format, described B-21
See also downloading and uploading
source addresses, in ACLs 30-11
source-and-destination-IP address based forwarding, EtherChannel 32-7
source-and-destination MAC address forwarding, EtherChannel 32-7
source-IP address based forwarding, EtherChannel 32-7
source-MAC address forwarding, EtherChannel 32-7
SPAN
configuration guidelines 26-10
default configuration 26-10
destination ports 26-7
displaying status 26-23
interaction with other features 26-8
monitored ports 26-5
monitoring ports 26-7
received traffic 26-4
session limits 26-10
sessions
configuring ingress forwarding 26-14, 26-21
creating 26-11
defined 26-3
limiting source traffic to specific VLANs 26-15
removing destination (monitoring) ports 26-12
specifying monitored ports 26-11
with ingress traffic enabled 26-13
source ports 26-5
transmitted traffic 26-5
VLAN-based 26-6
spanning tree and native VLANs 12-19
Spanning Tree Protocol
SPAN traffic 26-4
speed, configuring on interfaces 10-13
split horizon
IGRP 33-23
RIP 33-22
SRR
configuring
shaped weights on egress queues 31-64
shared weights on egress queues 31-65
shared weights on ingress queues 31-58
described 31-12
shaped mode 31-12
shared mode 31-12
SSH
configuring 8-39
cryptographic software image 8-37
encryption methods 8-38
user authentication methods, supported 8-38
Standby Command Configuration window 5-19
standby command switch
considerations 5-11
defined 5-2
priority 5-10
requirements 5-3
virtual IP address 5-11
See also cluster standby group and HSRP
standby group, cluster
See cluster standby group and HSRP
standby ip command 34-4
standby links 19-1
standby router 34-1
standby timers, HSRP 34-9
startup configuration
booting
manually 4-13
specific image 4-13
clearing B-19
configuration file
automatically downloading 4-12
specifying the filename 4-12
default boot configuration 4-11
static access ports
assigning to VLAN 12-11
static addresses
static IP routing 1-8
static MAC addressing 1-6
static routes, configuring 33-61
static routing 33-2
static VLAN membership 12-2
statistics
802.1x 9-21
CDP 24-5
interface 10-23
IP multicast routing 35-50
OSPF 33-32
QoS ingress and egress 31-67
RMON group Ethernet 27-6
RMON group history 27-5
SNMP input and output 29-16
VTP 13-15
sticky learning 23-8
storm control
configuring 23-3
described 23-2
displaying 23-16
support for 1-3
thresholds 23-2
STP
802.1D and bridge ID 16-4
802.1D and multicast addresses 16-8
802.1t and VLAN identifier 16-4
accelerating root port selection 18-4
BackboneFast
described 18-5
disabling 18-14
enabling 18-13
BPDU filtering
described 18-3
disabling 18-12
enabling 18-12
BPDU guard
described 18-3
disabling 18-11
enabling 18-11
BPDU message exchange 16-3
configuration guidelines 16-12, 18-10
STP (continued)
configuring
forward-delay time 16-21
hello time 16-20
maximum aging time 16-21
path cost 16-18
port priority 16-17
root switch 16-14
secondary root switch 16-16
spanning-tree mode 16-13
switch priority 16-19
counters, clearing 16-22
default configuration 16-11
default optional feature configuration 18-9
designated port, defined 16-3
designated switch, defined 16-3
detecting indirect link failures 18-5
disabling 16-14
displaying status 16-22
EtherChannel guard
described 18-7
disabling 18-14
enabling 18-14
extended system ID
effects on root switch 16-14
effects on the secondary root switch 16-16
overview 16-4
unexpected behavior 16-15
features supported 1-5
inferior BPDU 16-3
instances supported 16-9
interface state, blocking to forwarding 18-2
interface states
blocking 16-6
disabled 16-7
learning 16-6
listening 16-6
overview 16-4
STP (continued)
interoperability and compatibility among modes 16-10
keepalive messages 16-2
limitations with 802.1Q trunks 16-10
load sharing
overview 12-24
using path costs 12-26
using port priorities 12-24
loop guard
described 18-9
enabling 18-15
modes supported 16-9
multicast addresses, effect of 16-8
optional features supported 1-5
overview 16-2
path costs 12-26
Port Fast
described 18-2
enabling 18-10
port priorities 12-25
preventing root switch selection 18-8
protocols supported 16-9
redundant connectivity 16-8
root guard
described 18-8
enabling 18-14
root port, defined 16-3
root switch
configuring 16-15
effects of extended system ID 16-4, 16-14
election 16-3
unexpected behavior 16-15
shutdown Port Fast-enabled port 18-3
status, displaying 16-22
superior BPDU 16-3
timers, described 16-20
STP (continued)
UplinkFast
described 18-4
enabling 18-12
VLAN-bridge 16-11
stratum, NTP 6-2
stub areas, OSPF 33-28
subdomains, private VLAN 14-1
subnet mask 33-5
subnet zero 33-6
success response, VMPS 12-28
summer time 6-13
SunNet Manager 1-4
supernet 33-6
SVIs
and IP unicast routing 33-3
and router ACLs 30-4
connecting VLANs 10-6
defined 10-4
routing between VLANs 12-2
switch clustering technology 5-1
switch console port 1-4
Switch Database Management
switched packets, ACLs on 30-37
Switched Port Analyzer
switched ports 10-2
Switch Manager 3-9
switchport block multicast command 23-6
switchport block unicast command 23-6
switchport command 10-12
switchport protected command 23-5
switch priority
MSTP 17-19
STP 16-19
switch software features 1-1
switch virtual interface
synchronization, BGP 33-43
syslog
system clock
configuring
daylight saving time 6-13
manually 6-11
summer time 6-13
time zones 6-12
displaying the time and date 6-12
overview 6-2
system message logging
default configuration 28-3
defining error message severity levels 28-8
disabling 28-3
displaying the configuration 28-12
enabling 28-4
facility keywords, described 28-12
level keywords, described 28-8
limiting messages 28-9
message format 28-2
overview 28-1
sequence numbers, enabling and disabling 28-7
setting the display destination device 28-4
synchronizing log messages 28-5
syslog facility 1-9
time stamps, enabling and disabling 28-7
UNIX syslog servers
configuring the daemon 28-10
configuring the logging facility 28-11
facilities supported 28-12
system name
default configuration 6-15
default setting 6-15
manual configuration 6-15
system prompt
manual configuration 6-16
system resources, optimizing 7-1
T
TACACS+
accounting, defined 8-11
authentication, defined 8-11
authorization, defined 8-11
configuring
accounting 8-17
authentication key 8-13
authorization 8-16
login authentication 8-14
default configuration 8-13
displaying the configuration 8-17
identifying the server 8-13
in clusters 5-14
limiting the services to the user 8-16
operation of 8-12
overview 8-10
support for 1-7
tracking services accessed by user 8-17
tar files
creating B-6
displaying the contents of B-6
extracting B-7
image file format B-21
Telnet
accessing management interfaces 2-9
from a browser 2-9
number of connections 1-4
setting a password 8-6
templates, SDM 7-1
Terminal Access Controller Access Control System Plus
terminal lines, setting a password 8-6
TFTP
configuration files
downloading B-11
preparing the server B-10
uploading B-11
configuration files in base directory 4-6
configuring for autoconfiguration 4-5
image files
deleting B-24
downloading B-23
preparing the server B-22
uploading B-24
limiting access by servers 29-15
TFTP server 1-4
threshold, traffic level 23-2
time
time-range command 30-16
time ranges in ACLs 30-16
time stamps in log messages 28-7
time zones 6-12
Token Ring VLANs
support for 12-6
VTP support 13-4
Topology view, described 3-2, 3-14
ToS 1-7
traceroute, Layer 2
and ARP 38-15
and CDP 38-15
broadcast traffic 38-15
described 38-15
IP addresses and subnets 38-15
MAC addresses and VLANs 38-15
multicast traffic 38-15
multiple devices on a port 38-16
unicast traffic 38-15
usage guidelines 38-15
traceroute command 38-17
traffic
blocking flooded 23-6
fragmented 30-5
unfragmented 30-5
traffic policing 1-7
traffic suppression 23-2
transparent mode, VTP 13-3, 13-12
trap-door mechanism 4-2
traps
configuring MAC address notification 6-23
configuring managers 29-11
defined 29-3
notification types 29-11
troubleshooting
connectivity problems 38-13, 38-14, 38-16
detecting unidirectional links 25-1
displaying crash information 38-22
PIMv1 and PIMv2 interoperability problems 35-22
setting packet forwarding 38-19
SFP security and identification 38-12
troubleshooting (continued)
show forward command 38-19
with CiscoWorks 29-4
with debug commands 38-18
with ping 38-13
with system message logging 28-1
with traceroute 38-16
trunking encapsulation 1-6
trunk ports
configuring 12-20
encapsulation 12-20, 12-25, 12-26
secure MAC addresses on 23-11, 23-12
trunks
allowed-VLAN list 12-21
configuring 12-20, 12-25, 12-26
ISL 12-16
load sharing
setting STP path costs 12-26
using STP port priorities 12-24, 12-25
native VLAN for untagged traffic 12-23
parallel 12-26
pruning-eligible list 12-22
to non-DTP device 12-17
understanding 12-17
trusted boundary for QoS 31-35
trusted port states
between QoS domains 31-36
classification options 31-5
ensuring port security for IP phones 31-35
support for 1-7
within a QoS domain 31-32
twisted-pair Ethernet, detecting unidirectional links 25-1
type of service
U
UDLD
default configuration 25-4
disabling
fiber-optic interfaces 25-5
globally 25-5
per interface 25-6
echoing detection mechanism 25-2
enabling
globally 25-5
per interface 25-6
link-detection mechanism 25-1
neighbor database 25-2
overview 25-1
resetting an interface 25-6
status, displaying 25-7
support for 1-5
UDP, configuring 33-15
unauthorized ports with 802.1x 9-4
unicast MAC address filtering 1-4
and adding static addresses 6-26
and broadcast MAC addresses 6-26
and CPU packets 6-26
and multicast addresses 6-26
and router MAC addresses 6-26
configuration guidelines 6-26
described 6-26
unicast storm 23-2
unicast storm control command 23-4
unicast traffic, blocking 23-6
UniDirectional Link Detection protocol
UNIX syslog servers
daemon configuration 28-10
facilities supported 28-12
message logging configuration 28-11
unrecognized Type-Length-Value (TLV) support 13-4
upgrading information
upgrading software images
UplinkFast
described 18-4
disabling 18-13
enabling 18-12
support for 1-5
uploading
configuration files
reasons for B-8
using FTP B-15
using RCP B-18
using TFTP B-11
image files
reasons for B-20
using FTP B-28
using RCP B-32
using TFTP B-24
User Datagram Protocol
user EXEC mode 2-2
username-based authentication 8-7
V
version-dependent transparent mode 13-4
virtual IP address
cluster standby group 5-11, 5-19
vlan.dat file 12-5
VLAN 1, disabling on a trunk port 12-22
VLAN 1 minimization 12-21
VLAN ACLs
vlan-assignment response, VMPS 12-28
VLAN configuration
at bootup 12-8
saving 12-8
VLAN configuration mode 2-2, 12-7
VLAN database
and startup configuration file 12-8
and VTP 13-1
VLAN configuration saved in 12-7
VLANs saved in 12-4
vlan database command 12-7
VLAN filtering and SPAN 26-6
vlan global configuration command 12-7
VLAN ID, discovering 6-27
VLAN management domain 13-2
VLAN Management Policy Server
VLAN map entries, order of 30-29
VLAN maps
applying 30-33
common uses for 30-33
configuration example 30-34
configuration guidelines 30-29
configuring 30-29
creating 30-30
defined 30-2
denying access example 30-35
denying and permitting packets 30-31
displaying 30-40
examples 30-35
removing 30-33
support for 1-6
with router ACLs 30-39
VLAN membership
confirming 12-31
modes 12-3
VLAN Query Protocol
VLANs
adding 12-9
adding to VLAN database 12-9
aging dynamic addresses 16-9
allowed on trunk 12-21
and spanning-tree instances 12-3, 12-6, 12-13
configuration guidelines, extended-range VLANs 12-13
configuration guidelines, normal-range VLANs 12-6
configuration options 12-7
configuring 12-1
configuring IDs 1006 to 4094 12-13
connecting through SVIs 10-6
creating in config-vlan mode 12-9
creating in VLAN configuration mode 12-10
default configuration 12-8
deleting 12-10
displaying 12-15
features 1-5
illustrated 12-2
internal 12-13
limiting source traffic with RSPAN 26-22
limiting source traffic with SPAN 26-15
modifying 12-9
native, configuring 12-23
number supported 1-5
parameters 12-5
port membership modes 12-3
static-access ports 12-11
STP and 802.1Q trunks 16-10
supported 12-3
Token Ring 12-6
traffic between 12-2
VTP modes 13-3
VLAN Trunking Protocol
VMPS
administering 12-32
configuration example 12-33
configuration guidelines 12-29
default configuration 12-29
description 12-27
dynamic port membership
described 12-28
reconfirming 12-31
troubleshooting 12-33
entering server address 12-30
mapping MAC addresses to VLANs 12-28
monitoring 12-32
reconfirmation interval, changing 12-31
reconfirming membership 12-31
retry count, changing 12-32
voice-over-IP 15-1
voice VLAN
Cisco 7960 phone, port connections 15-1
configuration guidelines 7-2, 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 15-4
connecting to an IP phone 15-4
default configuration 15-3
described 15-1
displaying 15-6
VTP
adding a client to a domain 13-14
and extended-range VLANs 13-1
and normal-range VLANs 13-2
VTP (continued)
client mode, configuring 13-11
configuration
global configuration mode 13-7
guidelines 13-8
privileged EXEC mode 13-7
requirements 13-9
saving 13-7
VLAN configuration mode 13-7
configuration mode options 13-7
configuration requirements 13-9
configuration revision number
guideline 13-14
resetting 13-15
configuring
client mode 13-11
server mode 13-9
transparent mode 13-12
consistency checks 13-4
default configuration 13-6
described 13-1
disabling 13-12
domain names 13-8
domains 13-2
modes
transitions 13-3
monitoring 13-15
passwords 13-8
pruning
disabling 13-14
enabling 13-13
examples 13-5
overview 13-4
support for 1-6
pruning-eligible list, changing 12-22
server mode, configuring 13-9
VTP (continued)
statistics 13-15
support for 1-6
Token Ring support 13-4
transparent mode, configuring 13-12
using 13-1
version, guidelines 13-8
Version 1 13-4
Version 2
configuration guidelines 13-8
disabling 13-13
enabling 13-12
overview 13-4
W
weighted tail drop
WTD
described 31-11
setting thresholds
egress queue-sets 31-60
ingress queues 31-55
X
Xmodem protocol 38-2