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Catalyst 3550 Multilayer Switch Software Configuration Guide, 12.1(4)EA1
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Index
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Preface
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Product Overview
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Using the Command-Line Interface
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Getting Started with CMS
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Assigning the Switch IP Address and Default Gateway
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Clustering Switches
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Administering the Switch
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Configuring Interface Characteristics
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Creating and Maintaining VLANs
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Configuring STP
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Configuring IGMP Snooping and MVR
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Configuring Traffic Suppression and Traffic Control
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Configuring CDP
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Configuring UDLD
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Configuring RMON
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Configuring System Message Logging
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Configuring SNMP
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Configuring Network Security with ACLs
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Configuring QoS
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Configuring EtherChannel
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Configuring IP Unicast Routing
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Configuring HSRP
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Configuring IP Multicast Routing
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Configuring MSDP
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Configuring Fallback Bridging
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Troubleshooting
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Supported MIBs
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Working with the IOS File System, Configuration Files, and Software Images
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Unsupported CLI Commands
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Feedback
Table Of Contents
Numerics - A - B - C - D - E - F - G - H - I - J - L - M - N - O - P - Q - R - S - T - U - V - W - X -
index
Numerics
802.1Q
and trunk ports 7-3
configuration limitations 8-24
native VLAN for untagged traffic 8-29
802.3Z flow control 7-15
A
abbreviating commands 2-3
ABRs 20-36
AC (command switch) 5-11, 5-18
access-class command 17-18
access control entries
access-denied response, VMPS 8-33
access groups
IP 17-19
Layer 3 17-19
viewing 17-21
access lists
access ports
defined 7-2
in switch clusters 5-10
accounting with TACACS+ 6-10, 6-16
ACEs
defined 17-2
Ethernet 17-2
IP 17-2
Layer 3 parameters 17-10
Layer 4 parameters 17-10
ACLs
ACEs 17-2
any keyword 17-12
applying
on bridged packets 17-37
on multicast packets 17-39
on routed packets 17-38
on switched packets 17-36
time ranges to 17-15
to an interface 17-18
comments in 17-17
compiling 17-21
configuring with VLAN maps 17-33
determining fit in hardware 17-34
displaying interface 17-21
examples of 17-21
extended IP
creating 17-9
matching criteria 17-7
hardware and software handling 17-5
host keyword 17-12
ACLs (continued)IP
applying to interface 17-18
creating 17-6
implicit deny 17-8, 17-13, 17-15
implicit masks 17-8
named 17-14
undefined 17-19
violations, logging 17-15
virtual terminal lines, setting on 17-18
limiting actions 17-34
logging messages 17-9
log keyword 17-15
MAC extended 17-27
monitoring 17-20
named 17-14
numbers 17-7
protocol parameters 17-9
QoS 17-2
router 17-2
standard IP
creating 17-8
matching criteria 17-7
supported features 17-5
support for 1-4
time ranges 17-15
unsupported features 17-6
using router ACLs with VLAN maps 17-33
VLAN maps
configuration guidelines 17-27
configuring 17-26
defined 17-3
active router 21-1
addresses
displaying the MAC address table 6-41
dynamic
accelerated aging 9-9
changing the aging time 6-39
default aging 9-9
defined 6-37
learning 6-38
preventing frame forwarding 24-5
removing 6-40
filtering frames by MAC address 24-6
multicast
group address range 22-1
STP address management 9-8
static
adding and removing 6-40
defined 6-37
address resolution 20-10
Address Resolution Protocol
adjacency tables, with CEF 20-54
administrative distances
defined 20-62
OSPF 20-42
routing protocol defaults 20-57
advertisements
CDP 12-1
IGRP 20-31
RIP 20-26
aggregated ports
aggregate policing 1-4
aging, accelerating 9-9
alarms, RMON 14-3
allowed-VLAN list 8-27
Apply button 3-25
area border routers
ARP
configuring 20-11
definition 20-10
encapsulation 20-12
static cache configuration 20-11
support for 1-2
ASBRs 20-36
audience xxv
authentication
EIGRP 20-51
HSRP 21-8
NTP associations 6-21
TACACS+
defined 6-10
key 6-13
login 6-13
authentication keys, and routing protocols 20-63
authoritative time source, described 6-18
authorization with TACACS+ 6-10, 6-15
autoconfiguration 4-3
automatic discovery
adding member switches 5-16
considerations
beyond a non-candidate device 5-8
brand new switches 5-10
connectivity 5-6
edge device 5-6
management VLANs 5-8
routed ports 5-9
VLANs 5-7
creating a cluster standby group 5-18
in switch clusters 5-4
automatic recovery, clusters 5-11
autonegotiation
duplex mode 1-2
interface configuration guidelines 7-13
mismatches 25-8
autonomous system boundary routers
Auto-RP, described 22-8
autosensing, port speed 1-2
B
bandwidth, graphs 3-8
banners
configuring
login 6-37
message-of-the-day login 6-36
default configuration 6-35
when displayed 6-35
binding cluster group and HSRP group 21-9
blocking packets 11-7
booting
boot loader, function of 4-2
boot process 4-1
manually 4-13
specific image 4-14
boot loader
accessing 4-15
described 4-2
environment variables 4-15
prompt 4-15
trap-door mechanism 4-2
bootstrap router (BSR), described 22-8
BPDU 1-4
bridged packets, ACLs on 17-37
bridge groups
Bridge Protocol Data Unit
broadcast flooding 20-21
broadcast packets
directed 20-17
flooded 20-17
browser configuration 3-1, 5-1
buttons, CMS 3-25
C
cables, monitoring for unidirectional links 13-1
Cancel button 3-25
candidate switch
adding 5-16
automatic discovery 5-4
defined 5-3
HC 5-18
passwords 5-16
requirements 5-3
standby group 5-18
See also command switch, cluster standby group, and member switch
caution, description xxviii
CC (command switch) 5-18
CDP
automatic discovery in switch clusters 5-4
configuring 12-2
default configuration 12-2
description 12-1
disabling for routing device 12-3, 12-4
enabling and disabling on an interface 12-4
enabling and disabling on a switch 12-3
monitoring 12-5
overview 12-1
support for 1-2
transmission timer and holdtime, setting 12-2
updates 12-2
CEF 20-54
CGMP
as IGMP snooping learning method 10-6
clearing cached group entries 22-57
enabling server support 22-38
FastLeave feature 22-13
hosts
joining a group 22-12
leaving a group 22-13
joining multicast group 10-2
overview 22-11
server support only 22-11
switch support of 1-2
change notification, CMS 3-27
Cisco Discovery Protocol
Cisco Express Forwarding
Cisco Group Management Protocol
Cisco Technical Assistance Center xxxi
classless routing 20-8
class maps for QoS
configuring 18-25
described 18-7
displaying 18-46
class of service
Clear Fault option 3-21
client mode, VTP 8-4
Cluster Management Suite
clusters, switch
accessing 5-13
adding member switches 5-16
automatic discovery 5-4
automatic recovery 5-11
benefits 1-7
clusters, switch (continued)command switch configuration 5-15
compatibility 5-4
creating 5-15
creating a cluster standby group 5-18
described 5-1
managing through CLI 5-20
managing through SNMP 5-21
planning considerations
automatic discovery 5-4
automatic recovery 5-11
CLI 5-20
described 5-4
host names 5-13
IP addresses 5-13
passwords 5-14
redundancy 5-18
troubleshooting 5-19
verifying 5-19
See also candidate switch, command switch, cluster standby group, and member switch
cluster standby group
automatic recovery 5-11
considerations 5-12
creating 5-18
defined 5-2
requirements 5-3
virtual IP address 5-11
cluster standby-group and HSRP group 21-9
cluster tree
described 3-5
icons 3-5
CMS
accessing 3-26
benefits 1-7
change notification 3-27
different versions of 3-28
error checking 3-27
features 3-2
interaction modes 3-22
menu bar 3-13
online help 3-23
requirements 3-26
saving configuration changes 3-27
toolbar 3-18
verifying configuration changes 3-27
window components 3-24
command-line interface
abbreviating commands 2-3
command modes 2-1
described 1-6
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 2-5
disabling 2-5
recalling commands 2-5
managing clusters 5-20
no and default forms of commands 2-4
command modes 2-1
commands
abbreviating 2-3
no and default 2-4
setting privilege levels 6-7
command switch
command switch with HSRP disabled (CC) 5-18
configuration conflicts 25-7
defined 5-2
enabling 5-15
password privilege levels 5-20
priority 5-11
recovery
from failure 25-4
from lost member connectivity 25-7
recovery from command-switch failure 5-11
replacing
with another switch 25-6
with cluster member 25-4
requirements 5-2
See also candidate switch, clusters, and cluster standby group
community strings
for cluster switches 16-3
in clusters 5-14
overview 16-3
SNMP 5-14
configuration conflicts, recovering from lost member connectivity 25-7
configuration examples, network 1-8
configuration files
clearing the startup configuration B-19
creating using a text editor B-10
deleting a stored configuration B-19
described B-8
downloading
automatically 4-12
reasons for B-8
using FTP B-13
using RCP B-17
using TFTP B-11
guidelines for creating and using B-9
invalid combinations when copying B-5
limiting TFTP server access 16-9
obtaining with DHCP 4-7
specifying the filename 4-13
system contact and location information 16-8
types and location B-9
uploading
reasons for B-8
using FTP B-15
using RCP B-18
using TFTP B-12
VMPS database 8-34
configuration settings, saving 4-10
configure terminal command 7-7
conflicts, configuration 25-7
congestion-avoidance techniques 18-11
congestion-management techniques 18-11
connectivity problems 25-8
consistency checks in VTP version 2 8-6
conventions
command xxviii
for examples xxviii
publication xxviii
text xxviii
CoS-to-DSCP map for QoS 18-34
CoS-to-egress-queue map 18-40
counters, clearing interface 7-19
cross-stack UplinkFast, STP
configuring 9-34
connecting stack ports 9-16
described 9-13
fast-convergence events 9-15
Fast Uplink Transition Protocol 9-14
limitations 9-16
normal-convergence events 9-15
Stack Membership Discovery Protocol 9-14
support for 1-3
D
daylight saving time 6-30
debugging
enabling all system diagnostics 25-12
enabling for a specific feature 25-12
redirecting error message output 25-12
using commands 25-11
default commands 2-4
default configuration
banners 6-35
booting 4-12
CDP 12-2
DNS 6-34
EIGRP 20-48
EtherChannel 19-7
fallback bridging 24-3
HSRP 21-3
IGMP 22-31
IGMP snooping 10-5
IGRP 20-31
initial switch information 4-3
IP addressing, IP routing 20-4
default configuration (continued)IP multicast routing 22-13
Layer 2 interfaces 7-12
MAC address table 6-39
MSDP 23-4
MVR 10-15
NTP 6-20
OSPF 20-37
password and privilege level 6-3
QoS 18-14
RIP 20-26
RMON 14-3
SNMP 16-4
STP 9-21
system message logging 15-3
system name and prompt 6-32
TACACS+ 6-12
UDLD 13-3
VLAN, Layer 2 Ethernet interfaces 8-24
VLANs 8-15
VMPS 8-36
VTP 8-8
default networks 20-57
default routes 20-57
default routing 20-2
deleting VLAN from database 8-18
description command 7-16
designing your network, examples 1-8
destination addresses, in ACLs 17-11
device discovery protocol 12-1
device labels 3-12
Device Manager 3-2
device pop-up menu
Front Panel view 3-19
Topology view 3-20
DHCP
autoconfiguration example 4-8
client request message exchange 4-4
configuring
client side 4-3
DNS 4-6
relay device 4-6
server-side 4-5
TFTP server 4-5
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 1-2
DHCP relay 1-5
Differentiated Services architecture, QoS 18-1
Differentiated Services Code Point 18-2
Diffusing Update Algorithm (DUAL) 20-47
directed unicast requests 1-2
directories
changing B-3
creating and removing B-4
displaying the working B-3
discovery, clusters
Disqualification Code option 3-21
Distance Vector Multicast Routing Protocol
distance-vector protocols 20-2
distribute-list command 20-62
DNS
and DHCP-based autoconfiguration 4-6
default configuration 6-34
displaying the configuration 6-35
overview 6-33
setting up 6-34
support for 1-2
documentation
feedback xxx
obtaining
CD-ROM xxix
world wide web xxix
ordering xxx
related xxix
document conventions xxviii
domain names 6-33
domain names, VTP 8-9
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-23
reasons for B-19
using FTP B-26
using RCP B-30
using TFTP B-22
DSCP-to-CoS map for QoS 18-37
DSCP-to-DSCP-mutation map for QoS 18-38
DSCP-to-threshold map 18-42
DUAL finite state machine, EIGRP 20-47
duplex mode, configuring 7-14
DVMRP
all-DVMRP-routers multicast group address 22-11
autosummarization
configuring a summary address 22-54
disabling 22-56
connecting PIM domain to DVMRP router 22-46
enabling unicast routing 22-50
interoperability
with Cisco devices 22-44
with IOS software 22-11
mrinfo requests, responding to 22-49
neighbors
advertising the default route to 22-48
discovery with Probe messages 22-11, 22-44
displaying information 22-49
prevent peering with nonpruning 22-52
rejecting nonpruning 22-51
overview 22-11
routes
adding a metric offset 22-56
advertising all 22-56
advertising the default route to neighbors 22-48
caching DVMRP routes learned in report messages 22-50
changing the threshold for syslog messages 22-54
deleting 22-57
displaying 22-58
favoring one over another 22-56
limiting the number injected into MBONE 22-53
limiting unicast route advertisements 22-44
route table, building 22-11
source distribution tree, building 22-11
support for 1-5
tunnels
configuring 22-46
displaying neighbor information 22-49
dynamic access ports
characteristics 8-3
configuring 8-38
defined 7-2
limit on number of hosts 8-40
dynamic addresses
Dynamic Host Configuration Protocol
dynamic port VLAN membership
configuration example 8-40
overview 8-34
troubleshooting 8-40
types of connections 8-38
VMPS database configuration file 8-34
dynamic routing 20-2
Dynamic Trunking Protocol
E
editing features
enabling and disabling 2-6
keystrokes used 2-6
wrapped lines 2-8
EIGRP
and IGRP 20-49
authentication 20-51
components 20-47
configuring 20-49
default configuration 20-48
definition 20-47
interface parameters, configuring 20-50
monitoring 20-52
support for 1-5
enable password 6-4
enable secret password 6-4
encapsulation types, Ethernet trunk 8-24
encryption for passwords 6-4
Enhanced IGRP
environment variables
function of 4-16
location in Flash 4-15
error checking, CMS 3-27
error messages
during command entry 2-4
setting the display destination device 15-4
severity levels 15-8
system message format 15-2
EtherChannel
automatic creation of 19-3
configuration guidelines 19-8
configuring
Layer 2 interfaces 19-9
Layer 3 physical interfaces 19-12
Layer 3 port-channel logical interfaces 19-11
default configuration 19-7
displaying status 19-16
forwarding methods 19-5, 19-13
interaction
with STP 19-8
with VLANs 19-8
Layer 3 interface 20-3
logical interfaces 19-2
overview 19-1
EtherChannel (continued)PAgP
aggregate-port learners 19-5
compatibility with Catalyst 1900 19-14
displaying status 19-16
interaction with other features 19-5
learn method and priority configuration 19-14
modes 19-4
overview 19-3
physical learners 19-5
silent mode 19-4
support for 1-2
port-channel interfaces 19-2
port groups 7-3
support for 1-2
Ethernet VLAN
defaults and ranges 8-16
modifying 8-18
events, RMON 14-3
examples
conventions for xxviii
network configuration 1-8
expert mode 3-22
exterior routes, IGRP 20-31
F
fallback bridging
bridge groups
creating 24-4
described 24-2
displaying 24-12
number supported 24-4
removing 24-4
bridge table
changing the aging time 24-5
clearing 24-12
displaying 24-12
fallback bridging (continued)connecting interfaces with 7-6
default configuration 24-3
described 24-1
frame forwarding
filtering by MAC address 24-6
flooding packets 24-2
for static addresses 24-5
forwarding packets 24-2
preventing for dynamically learned stations 24-5
to static addresses 24-5
overview 24-1
STP
disabling on an interface 24-12
forward-delay interval 24-10
hello BPDU interval 24-10
interface priority 24-8
maximum-idle interval 24-11
path cost 24-9
switch priority 24-8
support for 1-5
SVIs and routed ports 24-1
VLAN-bridge STP 9-8
fallback VLAN name 8-34
fan fault indication 3-5
Fast Uplink Transition Protocol 9-14
feedback to Cisco Systems, web xxx
FIB 20-54
fiber-optic, detecting unidirectional links 13-1
files
copying B-4
deleting B-5
displaying the contents of B-8
tar
creating B-6
displaying the contents of B-6
extracting B-7
image file format B-20
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 17-26
filtering non-IP traffic 17-27
filtering show and more command output 2-8
filters, IP
Flash device, number of B-1
flash updates, IGRP 20-32
flooded traffic, blocking 11-7
flow-based packet classification 1-4
forward-delay time, STP 9-6, 9-28
Forwarding Information Base
forwarding non-routable protocols 24-1
front-panel images
described 3-6
port icons 3-6
port LEDs 3-8
RPS LED 3-7
system LED 3-6
Front Panel view
cluster tree 3-5
described 3-3
pop-up menus 3-19
switch images 3-6
FTP
accessing MIB files A-2
configuration files
downloading B-13
overview B-12
preparing the server B-13
uploading B-15
FTP (continued)image files
deleting old image B-28
downloading B-26
preparing the server B-25
uploading B-28
G
GBICs
1000BASE-LX/LH module 1-10
1000BASE-SX module 1-10
1000BASE-T module 1-10
1000BASE-ZX module 1-10
GigaStack 1-10
get-next-request operation 16-2, 16-3
get-request operation 16-2, 16-3
get-response operation 16-2
Gigabit GBIC modules
Gigabit Interface Converters
GigaStack GBIC
fast transition of redundant link 9-13
global configuration mode 2-2
graphs, bandwidth 3-8
guide
audience xxv
organization of xxvi
purpose of xxv
H
hardware, determining ACL configuration fit 17-34
HC (candidate switch) 5-18
hello time, STP 9-28
help, for the command line 2-3
Help button 3-25
Help Contents 3-23
history
changing the buffer size 2-5
described 2-5
disabling 2-5
recalling commands 2-5
history table, level and number of syslog messages 15-10
host name list, CMS 3-25
host names
abbreviations appended to 5-18
in clusters 5-13
hosts, limit on dynamic ports 8-40
Hot Standby Router Protocol
HP OpenView 1-6
HP Probe 20-10
HP Probe Proxy 20-14
HSRP
authentication string 21-8
automatic cluster recovery 5-11
binding to cluster group 21-9
cluster standby group considerations 5-12
command-switch redundancy 1-1
configuring 21-3
default configuration 21-3
definition 21-1
monitoring 21-10
overview 21-1
priority 21-6
routing redundancy 1-5
timers 21-8
tracking 21-6
See also clusters, cluster standby group, and standby command switch
HTTP
CMS access 3-26
port 3-26
Hypertext Transfer Protocol
I
ICMP
redirect messages 20-15
support for 1-5
time exceeded messages 25-10
traceroute and 25-10
unreachable messages 17-5
unreachables and ACLs 17-5
ICMP ping
executing 25-9
overview 25-8
ICMP Router Discovery Protocol
icons
front-panel images 3-6
toolbar 3-18
topology 3-11
IFS 1-2
IGMP
configuring the switch
as a member of a group 22-34
statically connected member 22-36
controlling access to groups 22-35
default configuration 22-31
deleting cache entries 22-57
displaying groups 22-58
fast switching 22-37
host-query interval, modifying 22-36
joining multicast group 10-2
join messages 10-2
leave processing, enabling 10-8
leaving multicast group 10-4
multicast reachability 22-34
overview 22-3
queries 10-2
IGMP (continued)support for 1-2
Version 1
changing to Version 2 22-32
hosts joining a group 22-3
hosts leaving a group 22-3
membership queries 22-3
overview 22-3
query-response model 22-3
Version 2
changing to Version 1 22-32
enhancements over Version 1 22-4
hosts leaving a group 22-4
maximum query response time value 22-33
new features 22-4
overview 22-4
pruning groups 22-33
query timeout value 22-33
IGMP snooping
configuring 10-4
default configuration 10-5
definition 10-1
enabling and disabling 10-5
global configuration 10-5
Immediate Leave 10-4
method 10-6
monitoring 10-9
support for 1-2
VLAN configuration 10-5
IGP 20-36
IGRP
advertisements 20-31
configuring 20-33
default configuration 20-31
description 20-31
exterior routes 20-31
flash updates 20-32
interior routes 20-31
load balancing 20-32
IGRP (continued)poison-reverse updates 20-32
split horizon 20-35
support for 1-5
system routes 20-31
traffic sharing 20-33
Immediate-Leave, IGMP 10-4
implicit forward in VLAN maps 17-27
interaction modes, CMS 3-22
interface
number 7-7
range macros 7-11
interface command 7-7
interface configuration mode 2-2
interfaces
configuration guidelines 7-13
configuring 7-7
configuring duplex mode 7-14
configuring speed 7-14
counters, clearing 7-19
description 7-16
descriptive name, adding 7-16
displaying information about 7-17
flow control 7-15
management 1-6
monitoring 7-16
naming 7-16
physical, identifying 7-7
range of 7-9
restarting 7-19
shutting down 7-19
supported 7-7
types of 7-1
interfaces range macro command 7-11
Interior Gateway Protocol
Interior Gateway Routing Protocol
interior routes, IGRP 20-31
Internet Control Message Protocol
Internet Group Management Protocol
Inter-Switch Link
inventory, cluster 5-19
IOS File System
ip access group command 17-19
IP ACLs
applying to an interface 17-18
extended, creating 17-9
implicit deny 17-8, 17-13, 17-15
implicit masks 17-8
logging 17-15
named 17-14
standard, creating 17-8
undefined 17-19
virtual terminal lines, setting on 17-18
IP addresses
classes of 20-5
cluster access 5-2
command switch 5-2, 5-11, 5-13
default configuration 20-4
for IP routing 20-4
MAC address association 20-10
monitoring 20-22
redundant clusters 5-11
standby command switch 5-11, 5-13
IP broadcast address 20-20
ip cef command 20-54
IP directed broadcasts 20-18
IP information
assigned
manually 4-10
through DHCP-based autoconfiguration 4-3
default configuration 4-3
IP multicast routing
addresses
all-hosts 22-1
all-multicast-routers 22-1
all-PIM-routers 22-10
Cisco-RP-Announce 22-8
Cisco-RP-Discovery 22-8
host group address range 22-1
administratively-scoped boundaries, described 22-42
Auto-RP
adding to an existing sparse-mode cloud 22-19
benefits of 22-18
clearing the cache 22-58
configuration guidelines 22-15
IOS release 22-5
overview 22-8
preventing candidate RP spoofing 22-21
preventing join messages to false RPs 22-20
setting up in a new internetwork 22-19
using with BSR 22-27
bootstrap router
configuration guidelines 22-15
configuring candidate BSRs 22-25
configuring candidate RPs 22-26
defining the IP multicast boundary 22-24
defining the PIM domain border 22-22
IOS release 22-5
overview 22-8
using with Auto-RP 22-27
Cisco implementation 22-2
IP multicast routing (continued)configuring
basic multicast routing 22-15
IP multicast boundary 22-42
TTL threshold 22-40
default configuration 22-13
enabling
multicast forwarding 22-15
PIM mode 22-16
group-to-RP mappings
Auto-RP 22-8
BSR 22-8
MBONE
deleting sdr cache entries 22-58
described 22-39
displaying sdr cache 22-58
enabling sdr listener support 22-39
limiting DVMRP routes advertised 22-53
limiting sdr cache entry lifetime 22-39
SAP packets for conference session announcement 22-39
Session Directory (sdr) tool, described 22-39
monitoring
packet rate loss 22-59
peering devices 22-59
tracing a path 22-59
multicast forwarding, described 22-9
PIMv1 and PIMv2 interoperability 22-14
protocol interaction 22-2
reverse path check (RPF) 22-9
routing table
deleting 22-58
displaying 22-58
RP
assigning manually 22-17
configuring Auto-RP 22-18
configuring PIMv2 BSR 22-22
monitoring mapping information 22-27
using Auto-RP and BSR 22-27
IP multicast routing (continued)statistics, displaying system and network 22-58
TTL thresholds, described 22-40
IP precedence 18-2
IP-precedence-to-DSCP map for QoS 18-35
IP protocols
in ACLs 17-11
routing 1-5
IP routes, monitoring 20-64
IP routing
connecting interfaces with 7-6
enabling 20-25
IP traceroute
executing 25-10
overview 25-10
IP unicast routing
address resolution 20-10
administrative distances 20-57, 20-62
ARP 20-10
assigning IP addresses to Layer 3 interfaces 20-6
authentication keys 20-63
broadcast address 20-20
broadcast flooding 20-21
broadcast packets 20-17
broadcast storms 20-18
classless routing 20-8
configuring static routes 20-56
default addressing configuration 20-4
default gateways 20-15
default networks 20-57
default routes 20-57
default routing 20-2
directed broadcasts 20-18
dynamic routing 20-2
enabling 20-25
IP unicast routing (continued)EtherChannel Layer 3 interface 20-3
HP Probe 20-10
IGP 20-36
inter-VLAN 20-2
IP addressing
classes 20-5
configuring 20-4
IRDP 20-16
Layer 3 interfaces 20-3
MAC address and IP address 20-10
passive interfaces 20-61
protocols
distance-vector 20-2
dynamic 20-2
link-state 20-2
proxy ARP 20-10
redistribution 20-58
reverse address resolution 20-10
routed ports 20-3
static routing 20-2
steps to configure 20-3
subnet mask 20-5
subnet zero 20-8
supernet 20-8
UDP 20-19
with SVIs 20-3
ip unreachables command 17-5
IRDP
configuring 20-16
definition 20-16
support for 1-5
ISL
and trunk ports 7-3
J
Java plug-in configuration 3-1, 5-1
join messages, IGMP 10-2
L
Layer 2 frames, classification with CoS 18-2
Layer 2 interfaces, default configuration 7-12
Layer 2 trunks 8-22
Layer 3 features 1-5
Layer 3 interfaces
assigning IP addresses to 20-6
changing from Layer 2 mode 20-6
types of 20-3
Layer 3 packets, classification methods 18-2
Layer 3 parameters of ACEs 17-10
Layer 4 parameters of ACEs 17-10
leave processing, IGMP 10-8
LEDs
port 3-8
RPS 3-7
system 3-6
legend, CMS icons and labels 3-17
line configuration mode 2-2
link pop-up menu, Topology view 3-20
link state advertisements (LSAs) 20-40
link-state protocols 20-2
lists, CMS 3-25
load balancing, IGRP 20-32
logging messages, ACL 17-9
login authentication with TACACS+ 6-13
login banners 6-35
log messages
Long-Reach Ethernet (LRE) technology 1-9, 3-5
M
MAC address
aging time 6-39
allocation for STP 9-8
and VLAN association 6-38
building the address table 6-38
default configuration 6-39
displaying 6-41
dynamic
learning 6-38
removing 6-40
in ACLs 17-27
IP address association 20-10
static
adding 6-40
characteristics of 6-40
removing 6-41
MAC address multicast entries, monitoring 10-11
MAC address-to-VLAN mapping 8-33
MAC extended access lists 17-27
manageability features 1-2
management
interfaces 1-6
options 1-6
management VLANs, considerations in clusters 5-8
mapping tables for QoS
configuring
CoS-to-egress-queue 18-40
DSCP 18-33
DSCP-to-threshold 18-42
described 18-10
matching, ACLs 17-6
maximum aging time, STP 9-29
maximum-paths command 20-55
membership mode, VLAN port 8-3
member switch
adding 5-16
automatic discovery 5-4
defined 5-2
managing 5-20
passwords 5-13
recovering from lost connectivity 25-7
requirements 5-3
See also candidate switch, clusters, cluster standby group, and command switch
menu bar
described 3-13
variations 3-13
messages, logging ACL violations 17-15
messages to users through banners 6-35
metric translations, between routing protocols 20-60
MIBs
accessing files with FTP A-2
location of files A-2
overview 16-1
SNMP interaction with 16-3
supported A-1
mismatches, autonegotiation 25-8
Mode button 3-8
modes, port 3-8
Modify button 3-25
modules, GBIC
1000BASE-LX/LH 1-10
1000BASE-SX 1-10
1000BASE-T 1-10
1000BASE-ZX 1-10
GigaStack 1-10
monitoring
access groups 17-20
ACLs 17-20
cables for unidirectional links 13-1
CDP 12-5
EIGRP 20-52
fallback bridging 24-12
monitoring (continued)features 1-5
HSRP 21-10
IGMP snooping 10-9
interfaces 7-16
IP address tables 20-22
IP multicast routing 22-57
IP routes 20-64
MSDP peers 23-18
multicast router interfaces 10-10
MVR 10-19
OSPF 20-45
RP mapping information 22-27
source-active messages 23-18
speed and duplex mode 7-14
traffic flowing among switches 14-1
traffic suppression 11-5
VLAN
filters 17-30
maps 17-30
VMPS 8-40
VTP 8-13
VTP database 8-20
MSDP
and dense-mode regions
sending SA messages to 23-16
specifying the originating address 23-17
benefits of 23-3
clearing MSDP connections and statistics 23-18
controlling source information
forwarded by switch 23-11
originated by switch 23-8
received by switch 23-13
default configuration 23-4
filtering
incoming SA messages 23-14
SA messages to a peer 23-12
SA requests from a peer 23-10
join latency, defined 23-6
MSDP (continued)meshed groups
configuring 23-15
defined 23-15
originating address, changing 23-17
overview 23-1
peer-RPF flooding 23-2
peers
configuring a default 23-4
monitoring 23-18
peering relationship, overview 23-1
requesting source information from 23-8
shutting down 23-16
source-active messages
caching 23-6
clearing cache entries 23-18
defined 23-2
filtering from a peer 23-10
filtering incoming 23-14
filtering to a peer 23-12
limiting data with TTL 23-13
monitoring 23-18
restricting advertised sources 23-9
multicast groups
and IGMP snooping 10-4
Immediate Leave 10-4
joining 10-2
leaving 10-4
static joins 10-7
multicast packets
ACLs on 17-39
blocking 11-7
multicast router interfaces, monitoring 10-10
multicast router ports, adding 10-7
Multicast Source Discovery Protocol
multicast storms 11-1
Multicast VLAN Registration
Multilink Decomposer window 3-20
MVR
configuring interfaces 10-17
default configuration 10-15
description 10-12
modes 10-16
monitoring 10-19
setting global parameters 10-16
support for 1-2
N
named IP ACLs 17-14
native VLANs 8-29
neighbor discovery/recovery, EIGRP 20-47
network configuration examples 1-8
increasing network performance 1-8
large network 1-14
providing network services 1-9
small to medium-sized network 1-12
network design
performance 1-8
services 1-9
network management
configuring CDP 12-1
configuring RMON 14-1
configuring SNMP 16-1
Network Time Protocol
no commands 2-4
non-IP traffic filtering 17-27
nontrunking mode 8-23
no switchport command 7-4
note, description xxviii
not-so-stubby areas
NSSA, OSPF 20-40
NTP
associations
authenticating 6-21
defined 6-18
enabling broadcast messages 6-23
peer 6-22
server 6-22
default configuration 6-20
displaying the configuration 6-27
overview 6-18
restricting access
creating an access group 6-25
disabling NTP services per interface 6-26
source IP address, configuring 6-27
stratum 6-18
support for 1-2
synchronizing devices 6-22
time
services 6-18
synchronizing 6-18
O
OK button 3-25
online help 3-23
Open Shortest Path First
options, management 1-6
OSPF
area parameters, configuring 20-40
configuring 20-38
default configuration
metrics 20-42
route 20-42
settings 20-37
description 20-36
interface parameters, configuring 20-39
LSA group pacing 20-44
monitoring 20-45
OSPF (continued)router IDs 20-44
route summarization 20-42
support for 1-5
virtual links 20-42
out-of-profile markdown 1-4
overheating indication, switch 3-5
P
packet modification, with QoS 18-13
PAgP
parallel links 8-29
parallel paths, in routing tables 20-55
passive interfaces
configuring 20-61
OSPF 20-43
passwords
default configuration 6-3
encrypting 6-4
for security 1-4
in CMS 3-26
overview 6-1
recovery of 25-2
setting
enable 6-3
enable secret 6-4
Telnet 6-5
with usernames 6-6
VTP domain 8-9
path cost, STP 9-26
PC (passive command switch) 5-11, 5-18
performance, network design 1-8
performance features 1-2
per-VLAN Spanning Tree (PVST) 1-3, 9-2
per-VLAN Spanning Tree+ (PVST+) 9-8
physical ports 7-2
PIM
default configuration 22-13
dense mode
(S,G) notation 22-6
graft messages 22-6
overview 22-5
pruning and SPT 22-5
rendezvous point (RP), described 22-7
RPF lookups 22-10
displaying neighbors 22-58
enabling a mode 22-16
neighbor discovery and adjacencies 22-10
overview 22-5
router-query message interval, modifying 22-30
shared tree and source tree, overview 22-28
shortest path tree, delaying the use of 22-29
sparse mode
(*,G) notation 22-7
join messages and shared tree 22-7
overview 22-7
prune messages 22-8
RPF lookups 22-10
support for 1-5
versions
interoperability 22-14
supported 22-5
troubleshooting interoperability problems 22-28
v2 improvements 22-5
PIM-DVMRP, as snooping method 10-6
ping
character output description 25-9
executing 25-9
overview 25-8
poison-reverse updates, IGRP 20-32
policed-DSCP map for QoS 18-36
policers
configuring
for each matched traffic class 18-27
for more than one traffic class 18-31
described 18-3
displaying 18-46
types of 18-8
policing 18-3
policy maps for QoS
characteristics of 18-27
configuring 18-27
described 18-7
displaying 18-46
Port Aggregation Protocol
port blocking 1-2
port-channel
Port Fast, STP 8-36, 9-10, 9-31
Port Fast mode 1-3
port icons, front-panel image 3-6
port LEDs
DUPLX 3-8
port modes 3-8
SPEED 3-8
STAT 3-8
port membership modes, VLAN 8-3
port modes
described 3-8
LEDs 3-8
port pop-up menu, Front Panel view 3-19
port priority, STP 9-25
ports
access 7-2
blocking 11-7
dynamic access 8-3
dynamic VLAN membership, reconfirming 8-38
forwarding, resuming 11-8
protected 11-6
routed 7-4
switch 7-2
VLAN assignments 8-19
port-shutdown response, VMPS 8-33
preferential treatment of traffic
preventing unauthorized access 6-1
priority, HSRP 21-6
private VLAN edge ports
privileged EXEC mode 2-2
privilege levels
changing the default for lines 6-8
command switch 5-20
exiting 6-9
logging into 6-9
mapping on member switches 5-20
setting a command with 6-7
protocol-dependent modules, EIGRP 20-48
Protocol-Independent Multicast Protocol
proxy ARP
configuring 20-13
definition 20-10
with IP routing disabled 20-15
pruning, VTP
enabling 8-13
enabling on a port 8-28
examples 8-7
overview 8-6
pruning-eligible list
changing 8-28
VLANs 8-13
publications, related xxix
PVST 1-3
Q
QoS
ACLs 17-2
basic model 18-3
classification
class maps, described 18-7
defined 18-3
flowchart 18-6
forwarding treatment 18-3
in frames and packets 18-2
MAC ACLs, described 18-4, 18-7
policy maps, described 18-7
port default, described 18-4
trust DSCP, described 18-4
trusted CoS, described 18-4
trust IP precedence, described 18-4
types for IP traffic 18-5
types for non-IP traffic 18-4
class maps
configuring 18-25
displaying 18-46
configuration examples
common wiring closet 18-47
distribution layer 18-49
intelligent wiring closet 18-48
QoS (continued)configuration guidelines 18-15
configuring
aggregate policers 18-31
default port CoS value 18-19
DSCP maps 18-33
DSCP trust states bordering another domain 18-20
egress queues on Gigabit-capable Ethernet ports 18-39
IP extended ACLs 18-23
IP standard ACLs 18-22
MAC ACLs 18-24
policy maps 18-27
port trust states within the domain 18-17
default configuration 18-14
displaying statistics 18-46
enabling globally 18-16
flowcharts
classification 18-6
policing and marking 18-9
queueing and scheduling 18-11
mapping tables
CoS-to-DSCP 18-34
CoS-to-egress-queue 18-40
displaying 18-46
DSCP-to-CoS 18-37
DSCP-to-DSCP-mutation 18-38
DSCP-to-threshold 18-42
IP-precedence-to-DSCP 18-35
policed-DSCP 18-36
types of 18-10
marked-down actions 18-29
overview 18-1
packet modification 18-13
QoS (continued)policers
described 18-8
displaying 18-46
number of 18-9
types of 18-8
policies, attaching to an interface 18-9
policing, described 18-3, 18-8
policy maps
characteristics of 18-27
configuring 18-27
displaying 18-46
queueing, defined 18-3
queues
CoS-to-egress-queue map 18-40
serviced by WRR 18-12
size of 18-11
size ratios 18-41
tail-drop percentage thresholds 18-12
tail-drop threshold percentages 18-42
WRED drop percentage thresholds 18-12
WRED drop threshold percentages 18-43
WRR scheduling 18-45
scheduling
allocating bandwidth on Gigabit-capable ports 18-45
defined 18-3
support for 1-4
tail drop
configuring drop threshold percentages 18-42
described 18-12
trust states 18-4
WRED
configuring drop threshold percentages 18-43
described 18-12
WRR scheduling 18-45
quality of service
queries, IGMP 10-2
R
Random Early Detection, described 18-12
range
macro 7-11
of interfaces 7-9
RARP 20-10
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 8-39
recovery procedures 25-1
redundancy
EtherChannel 19-1
features 1-3
HSRP 21-1
STP
backbone 9-9
multidrop backbone 9-13
path cost 8-32
port priority 8-29
redundant clusters
redundant power system
Refresh button 3-25
reliable transport protocol, EIGRP 20-47
reloading software 4-17
Remote Copy Protocol
Remote Network Monitoring
remove vlan-list parameter 8-27
resetting a UDLD-shutdown interface 13-4
restricting access
NTP services 6-24
overview 6-1
passwords and privilege levels 6-2
TACACS+ 6-9
retry count, VMPS, changing 8-39
reverse address resolution 20-10
Reverse Address Resolution Protocol
RFC
1058, RIP 20-26
1112, IP multicast and IGMP 10-1
1157, SNMPv1 16-2
1166, IP addresses 20-5
1253, OSPF 20-36
1305, NTP 6-18
1587, NSSAs 20-36
1757, RMON 14-2
1901, SNMPv2C 16-2
1902 to 1907, SNMPv2 16-2
2236, IP multicast and IGMP 10-1
RIP
advertisements 20-26
authentication 20-29
configuring 20-27
default configuration 20-26
description 20-26
hop counts 20-26
split horizon 20-30
summary addresses 20-30
support for 1-5
RMON
default configuration 14-3
displaying status 14-6
enabling alarms and events 14-3
groups supported 14-2
overview 14-1
statistics
collecting group Ethernet 14-5
collecting group history 14-5
support for 1-5
root guard, STP 1-3, 9-20, 9-35
root switch, STP 9-22
route calculation timers, OSPF 20-43
routed packets, ACLs on 17-38
routed ports
configuring 20-3
defined 7-4
in switch clusters 5-9
router ACLs 17-2
router ID, OSPF 20-44
route summarization, OSPF 20-42
routing
default 20-2
dynamic 20-2
redistribution of information 20-58
static 20-2
Routing Information Protocol
routing protocol administrative distances 20-57
RPS LED 3-7
running configuration, saving 4-10
S
saving changes in CMS 3-27
SC (standby command switch) 5-11, 5-18
scheduled reloads 4-17
SDM 1-2
security features 1-4
sequence numbers in log messages 15-8
server mode, VTP 8-4
set-request operation 16-3
setup program, failed command switch replacement 25-4, 25-6
severity levels, defining in system messages 15-8
show access-lists hw-summary command 17-6
show cdp traffic command 12-5
show cluster members command 5-20
show configuration command 7-16
show fm commands 17-34
show interfaces command 7-14, 7-16
show running-config command
displaying ACLs 17-18, 17-19, 17-29, 17-30
interface description in 7-16
shutdown command on interfaces 7-19
Simple Network Management Protocol
SNAP 12-1
SNMP
accessing MIB variables with 16-3
agent
description 16-3
disabling 16-5
community strings
configuring 16-5
for cluster switches 16-3
overview 16-3
configuration examples 16-9
default configuration 16-4
in clusters 5-14
limiting access by TFTP servers 16-9
limiting system log messages to NMS 15-10
managing clusters with 5-21
MIBs
location of A-2
supported A-1
SNMP (continued)requests 1-2
status, displaying 16-10
system contact and location 16-8
trap manager, configuring 16-7
traps
defined 16-2
enabling 16-6
types of 16-7
versions supported 16-2
snooping, IGMP 10-1
software images
location in Flash B-20
recovery procedures 25-1
scheduling reloads 4-17
tar file format, described B-20
See also downloading and uploading
source addresses, in ACLs 17-11
Spanning Tree Protocol
speed, configuring on interfaces 7-14
split horizon
IGRP 20-35
RIP 20-30
Stack Membership Discovery Protocol 9-14
Standby Command Configuration window 5-18
standby command switch
considerations 5-12
defined 5-2
priority 5-11
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 21-4
standby router 21-1
standby timers, HSRP 21-8
startup configuration
booting
manually 4-13
specific image 4-14
clearing B-19
configuration file
automatically downloading 4-12
specifying the filename 4-13
default boot configuration 4-12
static access ports
assigning to VLAN 8-19
static addresses
static IP routing 1-5
static MAC addressing 1-4
static routes, configuring 20-56
static routing 20-2
static VLAN membership 8-2
statistics
CDP 12-5
interface 7-17
IP multicast routing 22-58
OSPF 20-45
QoS ingress and egress 18-46
RMON group Ethernet 14-5
RMON group history 14-5
SNMP input and output 16-10
traffic suppression 11-5
VTP 8-13
STP
accelerating root port selection 9-12
BackboneFast, described 9-18
BPDU guard, described 9-11
BPDU message exchange 9-3
configuring
BackboneFast 9-35
BPDU guard 9-32
cross-stack UplinkFast 9-34
disable 9-22
forward-delay time 9-28
hello time 9-28
in cascaded cluster 9-29
maximum aging time 9-29
path cost 9-26
Port Fast 9-31
port priority 9-25
root guard 9-35
root switch 9-22
secondary root switch 9-24
switch priority 9-27
UplinkFast with redundant links 9-33
cross-stack UplinkFast, described 9-13
default configuration 9-21
designated switch, defined 9-4
detecting indirect link failures 9-18
displaying status 9-30
features 1-3
interface state, blocking to forwarding 9-10
interface states
blocking 9-6
disabled 9-7
learning 9-7
listening 9-7
overview 9-5
limitations with 802.1Q trunks 9-8
STP (continued)load sharing
overview 8-29
using path costs 8-32
using port priorities 8-30
loops 8-24
MAC address allocation 9-8
multicast addresses, affect of 9-8
overview 9-2
path costs 8-32
Port Fast
described 9-10
mode 8-36
port priorities 8-30
preventing root switch selection 9-20
redundant connectivity 9-9
root guard 1-3
root guard, described 9-20
root port, defined 9-4
root switch election 9-3
settings in a cascaded cluster 9-29
shutdown Port Fast-configured interface 9-11
supported number of spanning-tree instances 9-2
timers, described 9-4
UplinkFast, described 9-12
VLAN-bridge 9-8
stratum, NTP 6-18
stub areas, OSPF 20-40
subnet mask 20-5
subnet zero 20-8
summer time 6-30
SunNet Manager 1-6
supernet 20-8
SVIs
and IP unicast routing 20-3
and router ACLs 17-2
connecting VLANs 7-5
defined 7-4
number supported 7-5, 7-21, 20-3
routing between VLANs 8-2
switch clustering technology 1-1, 1-7, 5-1
switch console port 1-2
switched packets, ACLs on 17-36
switched ports 7-2
switchport block multicast command 11-7
switchport block unicast command 11-7
switchport broadcast command 11-3
switchport command 7-12
switchport multicast command 11-3
switchport protected command 11-6
switchport unicast command 11-3
switch priority, STP 9-27
switch software features 1-1
switch virtual interface
syslog
system clock
configuring
daylight saving time 6-30
manually 6-28
summer time 6-30
time zones 6-29
displaying the time and date 6-28
overview 6-18
System Database Management
System LED 3-6
system message logging
default configuration 15-3
defining error message severity levels 15-8
disabling and enabling 15-4
displaying 15-12
limiting messages 15-10
message format 15-2
overview 15-1
sequence numbers, enabling and disabling 15-8
setting the display destination device 15-4
synchronizing log messages 15-6
syslog facility 1-5
timestamps, enabling and disabling 15-7
UNIX syslog servers
configuring the daemon 15-11
configuring the logging facility 15-11
facilities supported 15-12
system name
default configuration 6-32
manual configuration 6-32
system prompt
default setting 6-32
manual configuration 6-33
system resource templates 6-41
system routes, IGRP 20-31
T
tables, CMS 3-25
tabs, CMS 3-25
TAC xxxi
TACACS+
accounting, defined 6-10
authentication, defined 6-10
authorization, defined 6-10
configuring
accounting 6-16
authentication key 6-13
authorization 6-15
local authentication and authorization 6-16
login authentication 6-13
default configuration 6-12
displaying the configuration 6-17
identifying the server 6-13
limiting the services to the user 6-15
operation of 6-11
overview 6-9
support for 1-4
tracking services accessed by user 6-16
tail drop, described 18-12
tail drop, support for 1-4
tar files
creating B-6
displaying the contents of B-6
extracting B-7
image file format B-20
technical assistance
Cisco.com xxxi
TAC xxxi
TAC website xxxi
toll-free telephone numbers xxxii
Telnet
number of connections 1-2
setting a password 6-5
templates, system resources 6-41
Terminal Access Controller Access Control System Plus
terminal lines, setting a password 6-5
TFTP
configuration files
downloading B-11
preparing the server B-10
uploading B-12
configuration files in base directory 4-6
configuring for autoconfiguration 4-5
image files
deleting B-23
downloading B-22
preparing the server B-22
uploading B-24
limiting access by servers 16-9
TFTP server 1-2
threshold, traffic level 11-1
time
time-range command 17-15
time ranges in ACLs 17-15
timestamps in log messages 15-7
time zones 6-29
TLV 8-6
Token Ring VLANs
support for 8-15
TrCRF and TrBRF 8-6
toolbar 3-18
Topology view
described 3-9
device labels 3-12
icons 3-11
pop-up menus 3-20
TOS 1-4
traceroute command 25-10
traffic
blocking flooded 11-7
fragmented 17-4
unfragmented 17-4
traffic policing 1-4
traffic suppression
configuring 11-3
definition 11-1
transparent mode, VTP 8-4, 8-11
trap-door mechanism 4-2
traps
configuring managers 16-6
defined 16-2
enabling 16-6
notification types 16-7
troubleshooting
connectivity problems 25-8
detecting unidirectional links 13-1
PIMv1 and PIMv2 interoperability problems 22-28
with CiscoWorks 16-3
with debug commands 25-11
with ping 25-8
with system message logging 15-1
with traceroute 25-10
trunking encapsulation 1-3
trunk ports
configuring 8-25
encapsulation 8-25, 8-30, 8-32
trunks
allowed-VLAN list 8-27
encapsulation 8-24
Gigabit Ethernet 8-22
interacting with other features 8-24
ISL 8-22
trunks (continued)load sharing
setting STP path costs 8-32
using STP port priorities 8-29, 8-30
native VLAN for untagged traffic 8-29
parallel 8-32
pruning-eligible list 8-28
to non-DTP device 8-23
understanding 8-22
twisted-pair Ethernet, detecting unidirectional links 13-1
type-of-service
U
UDLD
default configuration 13-3
echoing detection mechanism 13-2
enabling
globally 13-3
per interface 13-4
link-detection mechanism 13-1
neighbor database 13-2
overview 13-1
resetting an interface 13-4
status, displaying 13-5
support for 1-3
UDP, configuring 20-19
unicast storms 11-1
unicast traffic, blocking 11-7
UniDirectional Link Detection protocol
UNIX syslog servers
daemon configuration 15-11
facilities supported 15-12
message logging configuration 15-11
Unrecognized Type-Length-Value (TLV) support 8-6
upgrading software images
UplinkFast
described 9-12
redundant links 9-33
support for 1-3
uploading
configuration files
reasons for B-8
using FTP B-15
using RCP B-18
using TFTP B-12
image files
reasons for B-19
using FTP B-28
using RCP B-32
using TFTP B-24
URLs, Cisco xxix
User Datagram Protocol
user EXEC mode 2-2
username-based authentication 6-6
V
verifying changes in CMS 3-27
version-dependent transparent mode 8-6
virtual IP address
cluster standby group 5-11, 5-18
VLAN ACLs
VLAN configuration mode 2-2
VLAN management domain 8-4
VLAN Management Policy Server
VLAN map entries, order of 17-27
VLAN maps
applying 17-30
common uses for 17-31
configuration example 17-32
configuration guidelines 17-27
configuring 17-26
creating 17-29
defined 17-2
denying access example 17-32
denying and permitting packets 17-29
displaying 17-30
examples 17-32
implicit forward 17-27
support for 1-4
usage 17-3
with router ACLs 17-39
VLAN membership
confirming 8-38
modes 8-3
VLAN Membership Policy Server
VLAN Query Protocol (VQP) 8-33
VLANs
adding to VTP database 8-17
aging dynamic addresses 9-9
allowed on trunk 8-27
changing 8-18
configuration guidelines 8-16
configuring 8-1
configuring in VTP database 8-17
connecting through SVIs 7-5
default configuration 8-15
defined 7-2
deleting from VTP database 8-18
description 8-1
features 1-3
illustrated 8-2
in the VTP database 8-17
ISL 8-22
VLANs (continued)modifying 8-18
native, configuring 8-29
port membership modes 8-3
static-access ports 8-18, 8-19
STP and 802.1Q trunks 9-8
supported 8-3
Token Ring 8-15
VTP database and 8-15
VTP modes 8-4
VLAN Trunk Protocol
VLAN trunks 8-22
VMPS
administering 8-40
configuration guidelines 8-36
default configuration 8-36
dynamic port membership
example 8-40
overview 8-34
troubleshooting 8-40
entering server address 8-37
mapping MAC addresses to VLANs 8-33
monitoring 8-40
reconfirmation interval, changing 8-39
reconfirming membership 8-38
retry count, changing 8-39
support for 1-3
voice VLANs
VQP 1-3
VTP
client mode, configuring 8-11
configuration guidelines 8-9
configuration requirements 8-10
configuring client mode 8-11
configuring server mode 8-10
configuring transparent mode 8-11
consistency checks 8-6
database 8-17
configuring VLANs 8-17
displaying 8-20
parameters 8-15
default configuration 8-8
described 8-4
disabling 8-11
domain names 8-9
domains 8-4
modes
transitions 8-4
monitoring 8-13
passwords 8-9
pruning
disabling 8-13
enabling 8-13
examples 8-7
overview 8-6
pruning-eligible list, changing 8-28
server mode, configuring 8-10
statistics 8-13
support for 1-3
Token Ring support 8-6
transparent mode, configuring 8-11
VTP (continued)using 8-4
version, guidelines 8-9
version 1 8-6
version 2
configuration guidelines 8-9
disabling 8-12
enabling 8-12
overview 8-6
VLAN parameters 8-15
VTP pruning 1-3
VVIDs 1-9
W
web-based management software
Weighted Random Early Detection
Weighted Round Robin
weighted round robin, described 18-3
window components, CMS 3-24
X
XMODEM protocol 25-1