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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide, 12.1(22)EA7
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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide (full book in PDF format)
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Index
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Preface
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Overview
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Using the Command-Line Interface
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Configuring Catalyst 2955 Switch Alarms
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Assigning the Switch IP Address and Default Gateway
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Configuring Cisco IOS CNS Agents
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Clustering Switches
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Administering the Switch
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Configuring Switch-Based Authentication
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Configuring IEEE 802.1x Port-Based Authentication
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Configuring Interface Characteristics
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Configuring Smartports Macros
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Configuring LRE
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Configuring STP
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Configuring MSTP
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Configuring Optional Spanning-Tree Features
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Configuring VLANs
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Configuring VTP
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Configuring Voice VLAN
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Configuring DHCP Features
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Configuring IGMP Snooping and MVR
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Configuring Port-Based Traffic Control
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Configuring UDLD
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Configuring CDP
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Configuring SPAN and RSPAN
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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 EtherChannels
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Troubleshooting
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Supported MIBs
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Working with the Cisco IOS File System, Configuration Files, and Software Images
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Table Of Contents
Symbols - 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
Symbols
( 1-7
Numerics
802.1Q
and trunk ports 10-2
encapsulation 16-14
802.3x flow control 10-13
A
abbreviating commands 2-4
AC (command switch) 6-10
access-class command 28-19
access control entries
access control lists
access control parameter
access-denied response, VMPS 16-25
access groups, viewing 28-22
accessing
clusters, switch 6-13
command switches 6-11
member switches 6-13
switch clusters 6-13
access lists
access ports
in switch clusters 6-9
access ports defined 10-2
accounting
with RADIUS 8-28
ACEs
defined 28-2
Ethernet 28-2
IP 28-2
Layer 3 parameters 28-10
Layer 4 parameters 28-10
ACLs
ACEs 28-2
any keyword 28-9
applying
time ranges to 28-14
to management interfaces 28-19
to physical interfaces 28-20
to QoS 29-5
to terminal lines 28-19
classifying traffic for QoS 29-27
comments in 28-16
compiling 28-23
configuration guidelines
management interfaces, applying to 28-6
physical interfaces, applying to 28-6
defined 28-2
displaying interface 28-22
examples of 28-23
extended IP
configuring for QoS classification 29-28
creating 28-10
matching criteria 28-7
host keyword 28-9
IP
creating 28-7
implicit deny 28-9, 28-12, 28-14
implicit masks 28-9
management interfaces, applying to 28-19
named 28-13
physical interfaces, applying to 28-20
virtual terminal lines, setting on 28-19
MAC extended 28-17
matching 28-7
monitoring 28-20
named 28-13
numbers 28-8
protocol parameters 28-10
standard IP
configuring for QoS classification 29-27
creating 28-9
matching criteria 28-7
time ranges 28-14
unsupported features 28-7
ACP
system-defined mask 28-4
understanding 28-4
user-defined mask 28-4
addresses
displaying the MAC address table 7-26
dynamic
accelerated aging 13-10
changing the aging time 7-21
default aging 13-10
defined 7-19
learning 7-20
removing 7-21
MAC, discovering 7-26
multicast STP address management 13-10
static
adding and removing 7-24
defined 7-19
address resolution 7-26
Address Resolution Protocol
ADSL 1-9
advertisements
CDP 23-1
aggregated ports
aging, accelerating 13-10
aging time
accelerated
for MSTP 14-20
MAC address table 7-21
maximum
for MSTP 14-21
for STP 13-23
alarms, RMON 25-3
allowed-VLAN list 16-19
American National Standards Institute
ANSI 1-9
ARP table
address resolution 7-26
managing 7-26
asymmetric digital subscriber line
attributes, RADIUS
vendor-proprietary 8-30
vendor-specific 8-29
audience xxvii
authentication
local mode with AAA 8-32
NTP associations 7-4
RADIUS
defined 8-18
key 8-21
login 8-23
TACACS+
defined 8-11
key 8-13
login 8-14
See also port-based authentication
authentication failed VLAN
authoritative time source, described 7-2
authorization
with RADIUS 8-27
authorized ports with IEEE 802.1x 9-5
autoconfiguration 4-3
automatic discovery
considerations
beyond a noncandidate device 6-8
brand new switches 6-9
connectivity 6-5
different VLANs 6-7
management VLANs 6-8
non-CDP-capable devices 6-6
noncluster-capable devices 6-6
in switch clusters 6-5
automatic QoS
automatic recovery, clusters 6-10
autonegotiation
interface configuration guidelines 10-11
mismatches 31-14
auxiliary VLAN
B
BackboneFast
described 15-9
enabling 15-19
support for 1-5
banners
configuring
login 7-19
message-of-the-day login 7-17
default configuration 7-17
when displayed 7-17
binding database, DHCP snooping
See DHCP snooping binding database
binding table, DHCP snooping
See DHCP snooping binding database
blocking packets 21-5
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
BPDU
error-disabled state 15-2
filtering 15-3
RSTP format 14-9
BPDU filtering
described 15-3
enabling 15-16
support for 1-6
BPDU guard
described 15-2
enabling 15-15
support for 1-6
broadcast storm control
C
cables, monitoring for unidirectional links 22-1
candidate switch
automatic discovery 6-5
defined 6-4
requirements 6-4
See also command switch, cluster standby group, and member switch
Catalyst 2955
configuring alarm profiles
attaching an alarm profile to a port 3-10
creating or modifying alarm profiles 3-9
configuring switch alarms 3-1 to 3-11
configuring the FCS bit error rate alarm
setting the FCS error hysteresis threshold 3-8
setting the FCS error threshold 3-8
configuring the power supply alarm
setting the power mode 3-4, 3-5
setting the power supply alarm options 3-5
configuring the temperature alarms
associating the temperature alarms to a relay 3-7
setting a secondary temperature threshold 3-6
default alarm configuration 3-4
displaying Catalyst 2955 switch alarms 3-11
enabling SNMP traps 3-11
FCS error hysteresis threshold 3-2
global status monitoring alarms
power supply alarm 3-2
temperature alarm 3-2
port status monitoring alarms
FCS bit error rate alarm 3-3
link fault alarm 3-3
port is not operating alarm 3-3
port not forwarding alarm 3-3
triggering alarm options
configurable relays 3-3
FCS Bit Error Rate alarm 3-3
methods to trigger 3-3
SNMP traps 3-4
syslog messages 3-4
caution, described xxviii
CDP
and trusted boundary 29-23
automatic discovery in switch clusters 6-5
configuring 23-2
default configuration 23-2
described 23-1
disabling for routing device 23-3, 23-4
enabling and disabling
on an interface 23-4
on a switch 23-3
monitoring 23-5
overview 23-1
transmission timer and holdtime, setting 23-2
updates 23-2
Cisco 575-LRE CPE 1-9
Cisco Access Analog Trunk Gateway 1-21
Cisco CallManager software 1-16, 1-21
Cisco Discovery Protocol
Cisco Intelligence Engine 2100 Series Configuration Registrar
Cisco IP Phones 1-16
Cisco LRE 48 POTS Splitter (PS-1M-LRE-48) 1-9, 1-18
Cisco Network Assistant
Cisco SoftPhone software 1-16
class maps for QoS
configuring 29-30
described 29-6
displaying 29-39
class of service
clearing interfaces 10-17
CLI
abbreviating commands 2-4
command modes 2-1
described 1-10
editing features
enabling and disabling 2-6
keystroke editing 2-7
wrapped lines 2-8
error messages 2-5
getting help 2-3
history
changing the buffer size 2-5
described 2-5
disabling 2-6
recalling commands 2-6
no and default forms of commands 2-4
client mode, VTP 17-3
clock
clusters, switch
accessing 6-13
automatic discovery 6-5
automatic recovery 6-10
compatibility 6-4
described 6-1
LRE profile considerations 6-15
managing
through SNMP 6-16
planning 6-4
planning considerations
automatic discovery 6-5
automatic recovery 6-10
host names 6-14
IP addresses 6-13
LRE profiles 6-15
passwords 6-14
RADIUS 6-15
TACACS+ 6-15
cluster standby group
automatic recovery 6-13
considerations 6-11
defined 6-2
requirements 6-3
virtual IP address 6-11
CNS
Configuration Engine
configID, deviceID, hostname 5-3
configuration service 5-2
described 5-1
event service 5-3
embedded agents
described 5-5
enabling automated configuration 5-7
enabling configuration agent 5-10
enabling event agent 5-9
command-line interface
command modes 2-1
commands
abbreviating 2-4
no and default 2-4
setting privilege levels 8-8
command switch
accessing 6-11
active (AC) 6-10
configuration conflicts 31-13
defined 6-2
passive (PC) 6-11
password privilege levels 6-15
priority 6-10
recovery
from command-switch failure 6-10
from failure 31-10
from lost member connectivity 31-13
redundant 6-10
replacing
with another switch 31-12
with cluster member 31-10
requirements 6-2
standby (SC) 6-10
See also candidate switch, cluster standby group, member switch, and standby command switch
community strings
for cluster switches 27-4
in clusters 6-14
overview 27-4
SNMP 6-14
config.text 4-12
configurable leave timer, IGMP 20-6
configuration
controller for LRE upgrade 12-25
global LRE 12-25
configuration examples, network
collapsed backbone and switch cluster 1-16
design concepts
cost-effective wiring closet 1-13
high-performance workgroup 1-13
network performance 1-12
network services 1-12
redundant Gigabit backbone 1-13
hotel network 1-17
large campus 1-21
long-distance, high-bandwidth transport configuration 1-24
service-provider central-office network 1-20
small to medium-sized network 1-15
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
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 27-14
obtaining with DHCP 4-8
password recovery disable considerations 8-5
specifying the filename 4-13
system contact and location information 27-14
types and location B-10
uploading
reasons for B-8
using FTP B-14
using RCP B-18
using TFTP B-12
VMPS database 16-26
configuration settings, saving 4-12
configure terminal command 10-5
configuring
duplex mode 12-11
for an LRE upgrade 12-24
LRE ports 12-8
speed on Cisco 575 LRE CPE 12-11
Configuring a Restricted VLAN 9-25
conflicts, configuration 31-13
connections, secure remote 8-33
connectivity problems 31-14
consistency checks in VTP version 2 17-4
console port, connecting to 2-9
conventions
command xxviii
for examples xxviii
publication xxviii
text xxviii
CoS
configuring 29-8
configuring priority queues 29-37
defining 29-9
described 1-7
override priority 18-5
trust priority 18-6
CoS-to-DSCP map for QoS 29-35
counters, clearing interface 10-17
CPE
described 1-9
Ethernet link guidelines 12-11
Ethernet links
connecting to LRE ports 12-6
considerations for Cisco 575 LRE CPE 12-11
considerations for Cisco 585 LRE CPE 12-12
Ethernet links, described 12-2
hotel network configuration example 1-17, 1-20
LRE links 12-2
CPE link, transitioning state 12-7
CPE toggle
configuring 12-22
described 12-7
disabling 12-22
enabling 12-22
crashinfo file 31-22
cross-stack UplinkFast, STP
connecting stack ports 15-8
described 15-5
enabling 15-18
fast-convergence events 15-7
Fast Uplink Transition Protocol 15-6
limitations 15-8
normal-convergence events 15-7
Stack Membership Discovery Protocol 15-6
support for 1-5
cross talk 12-10
customer premises equipment
D
daylight saving time 7-13
debugging
enabling all system diagnostics 31-20
enabling for a specific feature 31-19
redirecting error message output 31-20
using commands 31-19
default commands 2-4
default configuration
auto-QoS 29-10
banners 7-17
booting 4-12
CDP 23-2
DHCP 19-6
DHCP option 82 19-6
DHCP snooping 19-6
DNS 7-16
EtherChannel 30-8
IEEE 802.1x 9-13
IGMP filtering 20-22
IGMP snooping 20-8
IGMP throttling 20-23
initial switch information 4-3
Layer 2 interfaces 10-9
MAC address table 7-21
MSTP 14-12
MVR 20-18
NTP 7-4
optional spanning-tree features 15-14
password and privilege level 8-2
port security 21-8
QoS 29-18
RADIUS 8-20
RMON 25-3
RSPAN 24-8
SNMP 27-6
SPAN 24-8
storm control 21-2
STP 13-12
system message logging 26-3
system name and prompt 7-15
TACACS+ 8-13
UDLD 22-4
VLAN, Layer 2 Ethernet interfaces 16-17
VLANs 16-7
VMPS 16-26
voice VLAN 18-2
VTP 17-7
default gateway 4-11
deleting VLANs 16-10
denial-of-service attack 21-1
description command 10-15
destination addresses, in ACLs 28-11
detecting indirect link failures, STP 15-10
device discovery protocol 23-1
device manager described 1-2, 1-10
DHCP-based autoconfiguration
client request message exchange 4-4
configuring
client side 4-4
DNS 4-7
relay device 4-8
TFTP server 4-7
described 1-4
example 4-9
lease options
for IP address information 4-6
for receiving the configuration file 4-6
overview 4-3
relationship to BOOTP 4-4
DHCP binding database
See DHCP snooping binding database
DHCP binding table
See DHCP snooping binding database
DHCP option 82
circuit ID suboption 19-5
configuration guidelines 19-6
default configuration 19-6
displaying 19-8
overview 19-3
packet format, suboption
circuit ID 19-5
remote ID 19-5
remote ID suboption 19-5
DHCP server 19-7
DHCP snooping
accepting untrusted packets form edge switch 19-3, 19-7
binding database
See DHCP snooping binding database
configuration guidelines 19-6
default configuration 19-6
displaying binding tables 19-8
displaying configuration 19-8
message exchange process 19-4
option 82 data insertion 19-3
trusted interface 19-2
untrusted interface 19-2
untrusted messages 19-2
DHCP snooping binding database
described 19-2
displaying 19-8
entries 19-2
DHCP snooping binding table
See DHCP snooping binding database
Differentiated Services architecture, QoS 29-2
Differentiated Services Code Point 29-3
digital telephone networks 1-9
directories
changing B-4
creating and removing B-4
displaying the working B-4
discovery, clusters
DNS
and DHCP-based autoconfiguration 4-7
default configuration 7-16
displaying the configuration 7-17
overview 7-15
setting up 7-16
documentation, related xxix
document conventions xxviii
domain names
DNS 7-15
VTP 17-9
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-25
using HTTP 1-3
using Network Assistant 1-3
using RCP B-29
using TFTP B-22
using the device manager or Network Assistant B-19
DSCP-to-CoS map for QoS 29-36
duplex mode
configuring 10-10
configuring, LRE 12-11
CPE Ethernet link 12-11
dynamic access ports
characteristics 16-3
configuring 16-28
defined 10-2
dynamic addresses
dynamic desirable trunking mode 16-16
dynamic port VLAN membership
described 16-26
reconfirming 16-29
troubleshooting 16-31
types of connections 16-28
VMPS database configuration file 16-26
Dynamic Trunking Protocol
E
editing features
enabling and disabling 2-6
keystrokes used 2-7
wrapped lines 2-8
egress port scheduling 29-9
enable password 8-4
enable secret password 8-4
encapsulation 29-8
encryption for passwords 8-4
environment variables
function of 4-16
location in Flash 4-15
error messages
during command entry 2-5
setting the display destination device 26-4
severity levels 26-8
system message format 26-2
EtherChannel
automatic creation of 30-3
configuration guidelines 30-8
default configuration 30-8
destination MAC address forwarding 30-6
displaying status 30-14
forwarding methods 30-11
interaction with STP 30-8
Layer 2 interfaces, configuring 30-9
number of interfaces per 30-2
overview 30-1
PAgP
aggregate-port learners 30-5
compatibility with Catalyst 1900 30-12
displaying status 30-14
interaction with other features 30-6
learn method and priority configuration 30-12
modes 30-4
overview 30-3
silent mode 30-5
support for 1-4
port-channel interfaces
described 30-3
numbering of 30-3
port groups 10-3
source MAC address forwarding 30-6
EtherChannel guard
described 15-12
enabling 15-19
Ethernet VLANs
adding 16-8
defaults and ranges 16-8
modifying 16-8
ETSI 1-9
European Telecommunication Standards Institute
events, RMON 25-3
examples
conventions for xxviii
network configuration 1-11
expedite queue, QoS 29-9
Express Setup 1-2
extended-range VLANs
configuration guidelines 16-12
configuring 16-11
extended system ID
MSTP 14-14
Extensible Authentication Protocol over LAN 9-1
F
fallback VLAN name 16-26
Fast Uplink Transition Protocol 15-6
features, Cisco IOS 1-2
fiber-optic, detecting unidirectional links 22-1
files
copying B-5
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
files, crashinfo
description 31-22
displaying the contents of 31-22
location 31-22
file system
displaying available file systems B-2
displaying file information B-3
local file system names B-1
network file system names B-5
setting the default B-3
filtering show and more command output 2-9
filters, IP
flash device, number of B-1
flooded traffic, blocking 21-5
flow-based packet classification 1-7
flow control 10-13
forward-delay time
MSTP 14-20
forwarding
FTP
accessing MIB files A-3
configuration files
downloading B-13
overview B-12
preparing the server B-13
uploading B-14
image files
deleting old image B-27
downloading B-25
preparing the server B-24
uploading B-27
G
GBICs
1000BASE-LX/LH module 1-13
1000BASE-SX module 1-13
1000BASE-ZX module 1-13
GigaStack module 1-13
security and identification 31-14
get-bulk-request operation 27-3
get-next-request operation 27-3, 27-4
get-request operation 27-3, 27-4
get-response operation 27-3
Gigabit Interface Converters
GigaStack GBIC
fast transition of redundant link 15-5
global configuration mode 2-2
guide
audience xxvii
purpose of xxvii
guide mode 1-3
GUIs
See device manager 1-10
See Network Assistant 1-10
H
hello time
MSTP 14-19
STP 13-22
help, for the command line 2-3
history
changing the buffer size 2-5
described 2-5
disabling 2-6
recalling commands 2-6
history table, level and number of syslog messages 26-10
host names
in clusters 6-14
hosts, limit on dynamic ports 16-31
HP OpenView 1-10
HSRP
automatic cluster recovery 6-13
cluster standby group considerations 6-11
See also clusters, cluster standby group, and standby command switch
I
ICMP ping
executing 31-15
overview 31-15
IDS, using with SPAN and RSPAN 24-3
IE2100
described 1-10
support for 1-4
IEEE 802.1D
IEEE 802.1p 18-1
IEEE 802.1Q
configuration limitations 16-16
native VLAN for untagged traffic 16-20
IEEE 802.1s
IEEE 802.1w
IEEE 802.1x
IGMP
configurable leave timer, procedures 20-11
joining multicast group 20-3
join messages 20-3
leave processing, enabling 20-11
leaving multicast group 20-6
queries 20-4
report suppression
described 20-7
disabling 20-12
throttling action 20-22
IGMP, joining multicast group 20-3
IGMP configurable leave timer, described 20-6
IGMP filtering
configuring 20-23
default configuration 20-22
described 20-22
monitoring 20-27
IGMP groups
configuring the throttling action 20-25
setting the maximum number 20-25
IGMP profile
applying 20-24
configuration mode 20-23
configuring 20-23
IGMP snooping
configuring 20-7
default configuration 20-8
definition 20-2
enabling and disabling 20-8
global configuration 20-8
Immediate Leave 20-6
method 20-9
monitoring 20-14
VLAN configuration 20-9
IGMP throttling
configuring 20-25
default configuration 20-23
described 20-22
displaying action 20-27
Immediate-Leave, IGMP 20-6
ingress port scheduling 29-9
Integrated Services Digital Network
interface
number 10-4
range macros 10-7
interface configuration mode 2-3
interfaces
Cisco IOS supported 1-9
configuration guidelines 10-11
configuring 10-5
configuring duplex mode 10-10
configuring speed 10-10
counters, clearing 10-17
described 10-15
descriptive name, adding 10-15
displaying information about 10-16
flow control 10-13
monitoring 10-16
naming 10-15
physical, identifying 10-4
range of 10-6
shutting down 10-17
supported 10-9
types of 10-1
interfaces range macro command 10-7
interleave delay, LRE 12-20
Intrusion Detection System
IOS command-line interface
IP
named extended ACL 28-13
named standard ACL 28-13
numbered extended ACL 28-10
numbered standard ACL 28-9
IP ACLs
applying to
management interfaces 28-19
physical interfaces 28-20
extended, creating 28-10
for QoS classification 29-27
implicit deny 28-9, 28-12, 28-14
implicit masks 28-9
management interfaces, applying to 28-19
named 28-13
physical interfaces, applying to 28-20
standard, creating 28-9
virtual terminal lines, setting on 28-19
IP addresses
cluster access 6-2
command switch 6-3, 6-11, 6-13
discovering 7-26
redundant clusters 6-11
standby command switch 6-11, 6-13
ip igmp profile command 20-23
IP information
assigned
manually 4-11
through DHCP-based autoconfiguration 4-3
default configuration 4-3
IP multicast routing and IGMP snooping 20-2, 20-7
IP phones
and IEEE 802.1x authentication 9-10
and QoS 18-1
automatic classification and queueing 29-10
configuring 18-4
trusted boundary for QoS 29-23
IP protocols in ACLs 28-11
IPv4 1-1
IPv6 1-1
IP version 4 1-1
IP version 6 1-1
ISDN 1-9
J
join messages, IGMP 20-3
L
LACP
Layer 2 frames, classification with CoS 29-2
Layer 2 interfaces, default configuration 10-9
Layer 2 traceroute
and ARP 31-17
and CDP 31-16
described 31-16
IP addresses and subnets 31-17
MAC addresses and VLANs 31-17
multicast traffic 31-17
multiple devices on a port 31-17
unicast traffic 31-16
usage guidelines 31-16
Layer 3 packets, classification methods 29-3
Layer 3 parameters of ACEs 28-10
Layer 4 parameters of ACEs 28-10
LDAP 5-3
leave processing, IGMP 20-11
lightweight directory access protocol
line configuration mode 2-3
link
qualification of 12-16
SNR 12-16
Link Aggregation Control Protocol
link guidelines, CPE Ethernet 12-11
link monitor, LRE 12-20
links, unidirectional 22-1
login authentication
with RADIUS 8-23
with TACACS+ 8-14
login banners 7-17
log messages
loopback detection
configuring 10-15
loop guard
described 15-13
enabling 15-20
support for 1-6
LRE environment
guidelines 12-9
troubleshooting 31-17
LRE interleave delay 12-20
LRE link
monitor 12-20
persistence 12-19
LRE links
LRE message logging 12-8
LRE ports
configuring
assigning a global sequence 12-13
assigning a port sequence 12-14
assigning a private profile 12-13
assigning a public profile 12-12
assigning the default profile 12-13
CPE Ethernet links
Cisco 575 LRE CPE considerations 12-11
Cisco 585 LRE CPE considerations 12-12
duplex mode 12-11
flow control 12-11
speed 12-11
statistics 12-7
described 12-1
link qualification 12-16
LRE links
considerations 12-9
described 12-2
statistics 12-11
preventing loss of data 12-11
rate selection
described 12-14
sequences 12-5
troubleshooting 31-17
LRE profiles
assigning
global profiles 12-13
port sequences 12-14
private profiles 12-13
public profiles 12-12
considerations 12-10
described 12-2
rate selection 12-14
LRE profiles, considerations in switch clusters 6-15
lre shutdown command 12-6
LRE switch, upgrading firmware 12-24
LRE technology 12-1
LRE upstream power back-off 12-21
M
MAC addresses
aging time 7-21
and VLAN association 7-20
building the address table 7-20
default configuration 7-21
discovering 7-26
displaying 7-26
displaying in DHCP snooping binding table 19-8
dynamic
learning 7-20
removing 7-21
in ACLs 28-17
static
adding 7-24
allowing 7-26
characteristics of 7-24
dropping 7-25
removing 7-24
sticky secure, adding 21-7
MAC address multicast entries, monitoring 20-15
MAC address-to-VLAN mapping 16-25
MAC extended access lists 28-17
macros
magic packet 9-11
management options
benefits
clustering 1-10
Network Assistant 1-10
CLI 2-1
CNS 5-1
overview 1-9
management VLAN
considerations in switch clusters 6-8
discovery through different management VLANs 6-8
MANs
CWDM configuration example 1-24
long-distance, high-bandwidth transport configuration example 1-24
mapping tables for QoS
configuring
DSCP 29-34
DSCP-to-CoS 29-36
described 29-5
matching, ACLs 28-7
maximum aging time
MSTP 14-21
STP 13-23
maximum hop count, MSTP 14-21
membership mode, VLAN port 16-3
member switch
automatic discovery 6-5
defined 6-2
passwords 6-13
recovering from lost connectivity 31-13
requirements 6-4
See also candidate switch, cluster standby group, and standby command switch
message logging, LRE 12-8
messages to users through banners 7-17
metropolitan-area networks
MIBs
accessing files with FTP A-3
location of files A-3
overview 27-1
SNMP interaction with 27-4
supported A-1
microfilters, phone 1-18, 1-20, 12-10
mini-point-of-presence
mirroring traffic for analysis 24-1
mismatches, autonegotiation 31-14
monitoring
access groups 28-22
ACLs 28-20
cables for unidirectional links 22-1
CDP 23-5
IGMP
filters 20-27
snooping 20-14
interfaces 10-16
multicast router ports 20-15
MVR 20-21
network traffic for analysis with probe 24-1
port protection 21-13
speed and duplex mode 10-12
traffic flowing among switches 25-1
traffic suppression 21-13
VLANs 16-14
VMPS 16-30
VTP 17-17
MSTP
boundary ports
configuration guidelines 14-12
described 14-5
BPDU filtering
described 15-3
enabling 15-16
BPDU guard
described 15-2
enabling 15-15
CIST, described 14-3
configuration guidelines 14-12, 15-14
configuring
forward-delay time 14-20
hello time 14-19
link type for rapid convergence 14-22
maximum aging time 14-21
maximum hop count 14-21
MST region 14-13
path cost 14-18
port priority 14-17
root switch 14-14
secondary root switch 14-16
switch priority 14-19
CST
defined 14-3
operations between regions 14-4
default configuration 14-12
default optional feature configuration 15-14
described 14-2
displaying status 14-23
enabling the mode 14-13
EtherChannel guard
described 15-12
enabling 15-19
extended system ID
effects on root switch 14-14
effects on secondary root switch 14-16
unexpected behavior 14-15
instances supported 13-11
interface state, blocking to forwarding 15-2
interoperability and compatibility among modes 13-11
interoperability with IEEE 802.1D
described 14-5
restarting migration process 14-22
IST
defined 14-3
operations within a region 14-3
loop guard
described 15-13
enabling 15-20
mapping VLANs to MST instance 14-13
MST region
described 14-2
hop-count mechanism 14-5
supported spanning-tree instances 14-2
Port Fast
described 15-2
enabling 15-14
preventing root switch selection 15-12
root guard
described 15-12
enabling 15-20
root switch
configuring 14-15
effects of extended system ID 14-14
unexpected behavior 14-15
shutdown Port Fast-enabled port 15-2
multicast groups
and IGMP snooping 20-7
Immediate Leave 20-6
joining 20-3
leaving 20-6
static joins 20-10
multicast packets, blocking 21-5
multicast router ports
adding 20-10
monitoring 20-15
multicast storm control
Multicast VLAN Registration
Multiple Spanning Tree Protocol
MVR
configuring interfaces 20-20
default configuration 20-18
described 20-15
modes 20-19
monitoring 20-21
setting global parameters 20-19
N
NAC
IEEE 802.1x authentication using a RADIUS server 9-28
IEEE 802.1x validation using RADIUS server 9-28
Layer 2 IEEE 802.1x validation 9-28
NAC Layer 2 IEEE 802.1x validation 1-7
named IP ACLs 28-13
NameSpace Mapper
native VLAN
configuring 16-20
default 16-20
Network Admission Control
See NAC Layer 2 IEEE 802.1x validation
Network Assistant
advantages with clustering 1-10
described 1-10
guide mode 1-3
management options 1-2
wizards 1-3
network examples
collapsed backbone and switch cluster 1-16
design concepts
cost-effective wiring closet 1-13
high-performance workgroup 1-13
network performance 1-12
network services 1-12
redundant Gigabit backbone 1-13
hotel network 1-17
large campus 1-21
long-distance, high-bandwidth transport configuration 1-24
service-provider central-office network 1-20
small to medium-sized network 1-15
network management
CDP 23-1
RMON 25-1
SNMP 27-1
Network Time Protocol
no commands 2-4
nonhomologated POTS splitter
See Cisco LRE POTS Splitter (PS-1M-LRE-48)
nontrunking mode 16-16
normal-range VLANs
configuration modes 16-6
defined 16-1
note, described xxviii
NSM 5-3
NTP
associations
authenticating 7-4
defined 7-2
enabling broadcast messages 7-6
peer 7-5
server 7-5
default configuration 7-4
displaying the configuration 7-11
overview 7-2
restricting access
creating an access group 7-8
disabling NTP services per interface 7-10
source IP address, configuring 7-10
stratum 7-2
synchronizing devices 7-5
time
services 7-2
synchronizing 7-2
O
out-of-profile markdown 1-8
P
PAgP
pass-through mode 29-25
passwords
default configuration 8-2
disabling recovery of 8-5
encrypting 8-4
in clusters 6-14
overview 8-1
recovery of 31-2
setting
enable 8-3
enable secret 8-4
Telnet 8-6
with usernames 8-7
VTP domain 17-9
patch panel 1-18
path cost
MSTP 14-18
STP 13-19
PBX 1-17
PC (passive command switch) 6-11
performing an LRE upgrade 12-24, 12-25
persistence, LRE link 12-19
per-VLAN spanning-tree plus
physical ports 10-1
PIM-DVMRP, as snooping method 20-9
ping
character output description 31-15
executing 31-15
overview 31-15
plain old telephone service
See POTS splitters and POTS telephones
policers
configuring for each matched traffic class 29-31
described 29-4
types of 29-7
policy maps for QoS
characteristics of 29-31
configuring 29-31
described 29-6
displaying 29-39
POP 1-22
Port Aggregation Protocol
port-based authentication
accounting 9-6
accounting services 1-7
authentication server
defined 9-3
RADIUS server 9-3
client, defined 9-3
configuration guidelines 9-14
configuring
guest VLAN 9-24
host mode 9-19
IEEE 802.1x accounting 9-23
IEEE 802.1x authentication 9-16
manual re-authentication of a client 9-20
periodic re-authentication 9-19
quiet period 9-21
RADIUS server 9-19
RADIUS server parameters on the switch 9-18
restricted VLAN 9-25
switch-to-client frame-retransmission number 9-22
switch-to-client retransmission time 9-21
default configuration 9-13
described 9-1
device roles 9-2
displaying statistics 9-29
EAPOL-start frame 9-3
EAP-request/identity frame 9-3
EAP-response/identity frame 9-3
enabling
IEEE 802.1x with guest VLAN 9-9
IEEE 802.1x with port security 9-11
IEEE 802.1x with restricted VLAN 9-9
IEEE 802.1x with VLAN assignment 9-8
IEEE 802.1x with voice VLAN 9-10
encapsulation 9-3
guest VLAN
configuration guidelines 9-9, 9-10
host mode 9-5
inaccessible authentication bypass
guidelines 9-15
initiation and message exchange 9-3
magic packet 9-11
method lists 9-16
multiple-hosts mode, described 9-6
ports
authorization state and dot1x port-control command 9-5
authorized and unauthorized 9-5
port security, multiple-hosts mode 9-6
resetting to default values 9-29
software upgrade changes 9-16
switch
as proxy 9-3
RADIUS client 9-3
upgrading from a previous release 29-13
VLAN assignment, AAA authorization 9-16
wake-on-LAN, described 9-11
port blocking 21-5
port-channel
Port Fast
described 15-2
enabling 15-14
mode, spanning tree 16-27
support for 1-6
port membership modes, VLAN 16-3
port priority
MSTP 14-17
STP 13-18
port profile, locking 12-15
ports
blocking 21-5
duplex mode 12-11
dynamic access 16-3
forwarding, resuming 21-6
LRE 12-1
priority 29-8
protected 21-4
secure 21-6
speed, setting and checking 12-11
switch 10-1
trunks 16-14
VLAN assignments 16-11
port scheduling 29-9
port security
aging 21-11
configuration guidelines 21-8
configuring 21-9
default configuration 21-8
described 21-6
displaying 21-13
sticky learning 21-7
violations 21-7
with other features 21-8
port-shutdown response, VMPS 16-25
POTS splitters
homologated 1-18
nonhomologated 1-18
See also Cisco LRE 48 POTS Splitter (PS-1M-LRE-48)
POTS telephones 1-17, 1-20, 12-10
precedence 12-15
preferential treatment of traffic
preventing unauthorized access 8-1
priority
overriding CoS 18-5
port, described 29-8
trusting CoS 18-6
private branch exchange
private LRE profiles, assigning 12-13
private VLAN edge ports
privileged EXEC mode 2-2
privilege levels
changing the default for lines 8-9
command switch 6-15
exiting 8-10
logging into 8-10
mapping on member switches 6-15
setting a command with 8-8
profile acquisition, automatic 12-14
profile locking 12-15
profiles, LRE
considerations 12-10
default, assigning 12-13
described 12-2
private, assigning 12-13
public, assigning 12-12
rate selection 12-14
pruning, VTP
enabling 17-15
enabling on a port 16-20
examples 17-6
overview 17-4
pruning-eligible list
changing 16-20
for VTP pruning 17-5
VLANs 17-15
publications, related xxix
public LRE profiles, assigning 12-12
Public Switched Telephone Network
PVST+
described 13-10
IEEE 802.1Q trunking interoperability 13-12
instances supported 13-11
Q
QoS
and MQC commands 29-1
auto-QoS
categorizing traffic 29-10
configuration and defaults display 29-15
configuration guidelines 29-13
described 29-10
displaying 29-15
effects on NVRAM configuration 29-12
egress queue defaults 29-11
enabling for VoIP 29-14
example, configuration 29-15
generated commands 29-11
basic model 29-4
classification
class maps, described 29-6
defined 29-4
in frames and packets 29-3
IP ACLs, described 29-5
MAC ACLs, described 29-5
pass-through mode, described 29-25
policy maps, described 29-6
port default, described 29-5
trust DSCP, described 29-5
trusted boundary, described 29-23
trusted CoS, described 29-5
types for IP traffic 29-5
types for non-IP traffic 29-5
class maps
configuring 29-30
displaying 29-39
configuration examples
auto-QoS 29-15
common wiring closet 29-40
intelligent wiring closet 29-41
configuration guidelines 29-19
configuring
auto-QoS 29-10
class maps 29-30
CoS and WRR 29-37
default port CoS value 29-22
egress queues 29-37
IP extended ACLs 29-28
IP standard ACLs 29-27
MAC ACLs 29-29
policy maps 29-31
port trust states within the domain 29-20
QoS policy 29-26
trusted boundary 29-24
default auto configuration 29-10
default configuration 29-18
described 29-2
displaying statistics 29-39
egress port scheduling 29-9
enabling expedite queue 29-38
expedite queue
described 29-9
enabling 29-38
ingress port scheduling 29-9
IP phones
automatic classification and queueing 29-10
detection and trusted settings 29-10, 29-23
mapping tables
CoS-to-DSCP 29-35
displaying 29-39
DSCP-to-CoS 29-36
types of 29-5
marked-down actions 29-33
pass-through mode 29-25
policers
configuring 29-33
described 29-7
number of 29-7
types of 29-7
policing, described 29-4, 29-7
policy maps
characteristics of 29-31
configuring 29-31
displaying 29-39
queueing, defined 29-4
scheduling, defined 29-4
support for 1-7
trusted boundary 29-23
trust states 29-5
understanding 29-2
qualification, link 12-16
quality of service
queries, IGMP 20-4
R
RADIUS
attributes
vendor-proprietary 8-30
vendor-specific 8-29
configuring
accounting 8-28
authentication 8-23
authorization 8-27
communication, global 8-21, 8-29
communication, per-server 8-20, 8-21
multiple UDP ports 8-21
default configuration 8-20
defining AAA server groups 8-25
described 8-18
displaying the configuration 8-31
identifying the server 8-20
in clusters 6-15
limiting the services to the user 8-27
method list, defined 8-20
operation of 8-19
suggested network environments 8-18
tracking services accessed by user 8-28
range
macro 10-7
of interfaces 10-6
rapid convergence 14-7
rapid per-VLAN spanning-tree plus
rapid PVST+
described 13-10
IEEE 802.1Q trunking interoperability 13-12
instances supported 13-11
rapid-PVST+ 16-2
Rapid Spanning Tree Protocol
rate selection
definition of 12-14
sequences 12-5
rate selections, list of sequences 12-5, 12-6
rcommand command 6-15
RCP
configuration files
downloading B-17
overview B-15
preparing the server B-16
uploading B-18
image files
deleting old image B-31
downloading B-29
preparing the server B-28
uploading B-31
reconfirmation interval, VMPS, changing 16-29
recovery procedures 31-1
redundancy
EtherChannel 30-2
STP
backbone 13-9
multidrop backbone 15-5
path cost 16-23
port priority 16-21
redundant links and UplinkFast 15-17
reloading software 4-17
Remote Authentication Dial-In User Service
Remote Copy Protocol
remote monitoring
Remote Network Monitoring
report suppression, IGMP
described 20-7
disabling 20-12
resetting a UDLD-shutdown interface 22-6
restricted VLAN
configuring 9-25
using with port-based authentication 9-9
restricting access
NTP services 7-8
overview 8-1
passwords and privilege levels 8-2
RADIUS 8-17
TACACS+ 8-10
retry count, VMPS, changing 16-30
RFC
1112, IP multicast and IGMP 20-2
1157, SNMPv1 27-2
1305, NTP 7-2
1757, RMON 25-2
1901, SNMPv2C 27-2
1902 to 1907, SNMPv2 27-2
2236, IP multicast and IGMP 20-2
2273-2275, SNMPv3 27-2
RMON
default configuration 25-3
displaying status 25-6
enabling alarms and events 25-3
groups supported 25-2
overview 25-1
statistics
collecting group Ethernet 25-5
collecting group history 25-5
root guard
described 15-12
enabling 15-20
support for 1-6
root switch
MSTP 14-14
STP 13-15
RSPAN
configuration guidelines 24-13
default configuration 24-8
destination ports 24-5
displaying status 24-18
IDS 24-3
interaction with other features 24-7
monitored ports 24-4
monitoring ports 24-5
received traffic 24-4
reflector port 24-6
session limits 24-8
sessions
creating 24-14
defined 24-3
removing source (monitored) ports 24-17
specifying monitored ports 24-14
source ports 24-4
transmitted traffic 24-4
RSTP
active topology, determining 14-6
BPDU
format 14-9
processing 14-10
designated port, defined 14-6
designated switch, defined 14-6
interoperability with IEEE 802.1D
described 14-5
restarting migration process 14-22
topology changes 14-10
overview 14-6
port roles
described 14-6
synchronized 14-8
proposal-agreement handshake process 14-7
rapid convergence
described 14-7
edge ports and Port Fast 14-7
point-to-point links 14-7, 14-22
root ports 14-7
root port, defined 14-6
running configuration, saving 4-11
S
SC (standby command switch) 6-10
scheduled reloads 4-17
secure ports, configuring 21-6
secure remote connections 8-33
Secure Shell
security, port 21-6
sequence numbers in log messages 26-8
sequences, LRE
global, assigning 12-13
specific port, assigning 12-14
sequences, table of 12-5, 12-6
server mode, VTP 17-3
servers, BOOTP 1-4
service-provider network, MSTP and RSTP 14-1
set-request operation 27-4
settings
duplex mode 12-11
speed 12-11
set-top box, television 1-17, 1-20
setup program, failed command switch replacement 31-10, 31-12
severity levels, defining in system messages 26-8
show alarm commands 3-6, 3-9, 3-10, 3-11
show and more command output, filtering 2-9
show cdp traffic command 23-5
show cluster members command 6-15
show configuration command 10-15
show controllers ethernet-controller command 12-7
show controllers lre profile commands 12-12, 12-13, 12-16, 12-19
show controllers lre profile mapping 3-7
show controllers lre status commands 12-11, 12-13, 12-14, 12-21, 12-22
show interfaces command 10-12, 10-15
show running-config command
displaying ACLs 28-18, 28-19, 28-20
interface description in 10-15
shutdown command on interfaces 10-17
signal to noise ratio 12-16
Simple Network Management Protocol
Smartports macros
applying Cisco-default macros 11-6
applying global parameter values 11-5, 11-6
applying macros 11-5
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 23-1
SNMP
accessing MIB variables with 27-4
agent
described 27-4
disabling 27-8
community strings
configuring 27-8
for cluster switches 27-4
overview 27-4
configuration examples 27-15
default configuration 27-6
groups 27-9
in clusters 6-14
informs
and trap keyword 27-11
described 27-5
differences from traps 27-6
enabling 27-13
limiting access by TFTP servers 27-14
limiting system log messages to NMS 26-10
manager functions 27-3
managing clusters with 6-16
MIBs
location of A-3
supported A-1
notifications 27-5
status, displaying 27-16
system contact and location 27-14
trap manager, configuring 27-12
traps
differences from informs 27-6
enabling 27-11
enabling MAC address notification 7-22
types of 27-11
users 27-9
versions supported 27-2
snooping, IGMP 20-2
SNR
definition of 12-16
downstream rate requirements 12-16, 12-18
margins 12-16
upstream rate requirements 12-17, 12-18
software, VLAN considerations 17-9
software images
location in flash B-20
recovery procedures 31-2
scheduling reloads 4-17
tar file format, described B-20
See also downloading and uploading
source addresses, in ACLs 28-11
SPAN
configuration guidelines 24-8
default configuration 24-8
destination ports 24-5
displaying status 24-18
IDS 24-3
interaction with other features 24-7
monitored ports 24-4
monitoring ports 24-5
ports, restrictions 21-9
received traffic 24-4
session limits 24-8
sessions
creating 24-9
defined 24-3
removing destination (monitoring) ports 24-12
removing source (monitored) ports 24-12
specifying monitored ports 24-9
source ports 24-4
transmitted traffic 24-4
spanning tree and native VLANs 16-16
Spanning Tree Protocol
speed
configuring on interfaces 10-10
setting on CPE devices 12-11
SSH
configuring 8-34
cryptographic software image 8-33
described 8-33
encryption methods 8-33
user authentication methods, supported 8-34
Stack Membership Discovery Protocol 15-6
standby command switch
considerations 6-11
defined 6-2
priority 6-10
requirements 6-3
virtual IP address 6-11
See also cluster standby group and HSRP
standby group, cluster
See cluster standby group and HSRP
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 16-11
static addresses
static VLAN membership 16-2
statistics
CDP 23-5
IEEE 802.1x 9-29
interface 10-16
QoS ingress and egress 29-39
RMON group Ethernet 25-5
RMON group history 25-5
SNMP input and output 27-16
VTP 17-17
sticky learning
configuration file 21-7
defined 21-7
disabling 21-7
enabling 21-7
saving addresses 21-7
storm control
configuring 21-2
default configuration 21-2
described 21-1
disabling 21-3
displaying 21-13
STP
accelerating root port selection 15-4
BackboneFast
described 15-9
enabling 15-19
BPDU filtering
described 15-3
enabling 15-16
BPDU guard
described 15-2
enabling 15-15
BPDU message exchange 13-2
configuration guidelines 13-13, 15-14
configuring
forward-delay time 13-23
hello time 13-22
in cascaded stack 13-24
maximum aging time 13-23
path cost 13-19
port priority 13-18
root switch 13-15
secondary root switch 13-17
spanning-tree mode 13-14
switch priority 13-21
counters, clearing 13-26
cross-stack UplinkFast
described 15-5
enabling 15-18
default configuration 13-12
default optional feature configuration 15-14
designated port, defined 13-3
designated switch, defined 13-3
detecting indirect link failures 15-10
disabling 13-15
displaying status 13-26
EtherChannel guard
described 15-12
enabling 15-19
extended system ID
affects on root switch 13-16
affects on the secondary root switch 13-17
overview 13-3
unexpected behavior 13-16
features supported 1-5
inferior BPDU 13-3
instances supported 13-11
interface state, blocking to forwarding 15-2
interface states
blocking 13-6
disabled 13-7
learning 13-6
listening 13-6
overview 13-4
interoperability and compatibility among modes 13-11
limitations with IEEE 802.1Q trunks 13-11
load sharing
overview 16-21
using path costs 16-23
using port priorities 16-21
loop guard
described 15-13
enabling 15-20
modes supported 13-10
multicast addresses, affect of 13-10
overview 13-2
Port Fast
described 15-2
enabling 15-14
port priorities 16-22
preventing root switch selection 15-12
protocols supported 13-10
redundant connectivity 13-9
root guard
described 15-12
enabling 15-20
root port, defined 13-3
root switch
affects of extended system ID 13-3, 13-16
configuring 13-16
election 13-3
unexpected behavior 13-16
settings in a cascaded stack 13-24
shutdown Port Fast-enabled port 15-2
superior BPDU 13-3
timers, described 13-21
UplinkFast
described 15-3
enabling 15-17
stratum, NTP 7-2
summer time 7-13
SunNet Manager 1-10
switch clustering technology 6-1
switched ports 10-1
switchport block multicast command 21-5
switchport block unicast command 21-5
switchport protected command 21-4
switch priority
MSTP 14-19
STP 13-21
syslog
syslog export
and LRE logging 12-8
described 12-8
disabling 12-23
enabling 12-23
system clock
configuring
daylight saving time 7-13
manually 7-11
summer time 7-13
time zones 7-12
displaying the time and date 7-12
overview 7-1
system message logging
default configuration 26-3
defining error message severity levels 26-8
disabling 26-4
displaying the configuration 26-12
enabling 26-4
facility keywords, described 26-12
level keywords, described 26-9
limiting messages 26-10
message format 26-2
overview 26-1
sequence numbers, enabling and disabling 26-8
setting the display destination device 26-4
synchronizing log messages 26-6
timestamps, enabling and disabling 26-7
UNIX syslog servers
configuring the daemon 26-11
configuring the logging facility 26-11
facilities supported 26-12
system name
default configuration 7-15
default setting 7-15
manual configuration 7-15
system prompt
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 6-15
limiting the services to the user 8-16
operation of 8-12
overview 8-10
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-20
Telnet
accessing management interfaces 2-9
accessing the CLI 1-10
setting a password 8-6
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-12
configuration files in base directory 4-7
configuring for autoconfiguration 4-7
image files
deleting B-23
downloading B-22
preparing the server B-21
uploading B-23
limiting access by servers 27-14
time
time-range command 28-14
time ranges in ACLs 28-14
timestamps in log messages 26-7
time zones 7-12
Token Ring VLANs
support for 16-5
VTP support 17-4
TOS 1-7
traceroute, Layer 2
and ARP 31-17
and CDP 31-16
described 31-16
IP addresses and subnets 31-17
MAC addresses and VLANs 31-17
multicast traffic 31-17
multiple devices on a port 31-17
unicast traffic 31-16
usage guidelines 31-16
traffic
blocking flooded 21-5
fragmented 28-3
unfragmented 28-3
traffic policing 1-8
transparent mode, VTP 17-3, 17-13
trap-door mechanism 4-2
traps
configuring MAC address notification 7-22
configuring managers 27-11
defined 27-3
notification types 27-11
troubleshooting
connectivity problems 31-14
detecting unidirectional links 22-1
displaying crash information 31-22
GBIC security and identification 31-14
LRE ports 31-17
with CiscoWorks 27-4
with debug commands 31-19
with ping 31-15
with system message logging 26-1
trunk ports
configuring 16-18
defined 10-2
trunks
allowed-VLAN list 16-19
load sharing
setting STP path costs 16-23
using STP port priorities 16-21, 16-22
native VLAN for untagged traffic 16-20
parallel 16-23
pruning-eligible list 16-20
to non-DTP device 16-15
VLAN 1 minimization 16-19
trusted boundary 29-23
twisted-pair Ethernet, detecting unidirectional links 22-1
type-of-service
U
UDLD
default configuration 22-4
echoing detection mechanism 22-3
enabling
globally 22-5
per interface 22-6
link-detection mechanism 22-1
neighbor database 22-2
overview 22-1
resetting an interface 22-6
status, displaying 22-7
unauthorized ports with IEEE 802.1x 9-5
unicast MAC address filtering
and adding static addresses 7-25
and broadcast MAC addresses 7-25
and CPU packets 7-25
and multicast addresses 7-25
and router MAC addresses 7-25
configuration guidelines 7-25
described 7-25
unicast storm control
unicast traffic, blocking 21-5
UniDirectional Link Detection protocol
UNIX syslog servers
daemon configuration 26-11
facilities supported 26-12
message logging configuration 26-11
unrecognized Type-Length-Value (TLV) support 17-4
upgrade
behavior details 12-26
configuring for 12-24
controller configuration 12-25
example 12-27
global configuration 12-25
LRE switch firmware upgrade 12-24
upgrading software, VLAN considerations 17-9
upgrading software images
UplinkFast
described 15-3
enabling 15-17
support for 1-5
uploading
configuration files
reasons for B-8
using FTP B-14
using RCP B-18
using TFTP B-12
image files
reasons for B-19
using FTP B-27
using RCP B-31
using TFTP B-23
upstream power back-off 1-9, 12-21
user EXEC mode 2-2
username-based authentication 8-7
V
version-dependent transparent mode 17-4
virtual IP address
cluster standby group 6-11
command switch 6-11
vlan.dat file 16-4
VLAN 1 minimization, support for 1-6
VLAN configuration
at bootup 16-7
saving 16-7
VLAN configuration mode 2-2, 16-6
VLAN database
and startup configuration file 16-7
and VTP 17-1
VLAN configuration saved in 16-7
VLANs saved in 16-4
vlan database command 16-6
vlan global configuration command 16-6
VLAN ID, discovering 7-26
VLAN management domain 17-2
VLAN Management Policy Server
VLAN membership
confirming 16-29
modes 16-3
VLAN Query Protocol
VLANs
adding 16-8
adding to VLAN database 16-8
aging dynamic addresses 13-10
allowed on trunk 16-19
and spanning-tree instances 16-2, 16-6, 16-12
configuration guidelines, normal-range VLANs 16-5
configuration options 16-6
configuring 16-1
configuring IDs 1006 to 4094 16-12
creating in config-vlan mode 16-8
creating in VLAN configuration mode 16-9
default configuration 16-7
deleting 16-10
displaying 16-14
extended-range 16-11
illustrated 16-2
modifying 16-8
native, configuring 16-20
parameters 16-4
port membership modes 16-3
static-access ports 16-11
STP and IEEE 802.1Q trunks 13-11
supported 16-2
Token Ring 16-5
trunks, VLAN 1 minimization 16-19
VTP modes 17-3
VLAN Trunking Protocol
VLAN trunks 16-14
VMPS
administering 16-30
configuration example 16-31
configuration guidelines 16-27
default configuration 16-26
description 16-25
dynamic port membership
described 16-26
reconfirming 16-29
troubleshooting 16-31
entering server address 16-28
mapping MAC addresses to VLANs 16-25
monitoring 16-30
reconfirmation interval, changing 16-29
reconfirming membership 16-29
retry count, changing 16-30
voice VLAN
Cisco 7960 phone, port connections 18-1
configuration guidelines 18-3
configuring IP phones for data traffic
override CoS of incoming frame 18-5
trust CoS priority of incoming frame 18-6
configuring ports for voice traffic in
802.1p priority tagged frames 18-4
802.1Q frames 18-4
connecting to an IP phone 18-4
default configuration 18-2
described 18-1
displaying 18-6
VQP 16-25
VTP
adding a client to a domain 17-15
and extended-range VLANs 17-1
and normal-range VLANs 17-1
client mode, configuring 17-12
configuration
global configuration mode 17-8
guidelines 17-9
privileged EXEC mode 17-8
requirements 17-10
saving 17-8
VLAN configuration mode 17-8
configuration mode options 17-8
configuration requirements 17-10
configuration revision number
guideline 17-15
resetting 17-16
configuring
client mode 17-12
server mode 17-10
transparent mode 17-13
consistency checks 17-4
default configuration 17-7
described 17-1
disabling 17-13
domain names 17-9
domains 17-2
modes
transitions 17-3
monitoring 17-17
passwords 17-9
pruning
disabling 17-15
enabling 17-15
examples 17-6
overview 17-4
pruning-eligible list, changing 16-20
server mode, configuring 17-10
statistics 17-17
Token Ring support 17-4
transparent mode, configuring 17-13
using 17-1
version, guidelines 17-10
version 1 17-4
version 2
configuration guidelines 17-10
disabling 17-14
enabling 17-14
overview 17-4
W
Weighted Round Robin
wizards 1-3
WRR
configuring 29-38
defining 29-9
description 29-9
X
Xmodem protocol 31-2