EasyManuals Logo

Cisco Catalyst 4500 Series Command Reference Guide

Cisco Catalyst 4500 Series
1230 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #1049 background imageLoading...
Page #1049 background image
2-991
Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
spanning-tree guard
spanning-tree guard
To enable root guard, use the spanning-tree guard command. To disable root guard, use the no form of
this command.
spanning-tree guard {loop | root | none}
no spanning-tree guard
Syntax Description
Defaults Root guard is disabled.
Command Modes Interface configuration mode
Command History
Examples This example shows how to enable root guard:
Switch(config-if)# spanning-tree guard root
Switch(config-if)#
Related Commands
loop Enables the loop guard mode on the interface.
root Enables root guard mode on the interface.
none Sets the guard mode to none.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.
12.1(12c)EW Loop guard support was added.
Command Description
show spanning-tree Displays spanning-tree information.

Table of Contents

Other manuals for Cisco Catalyst 4500 Series

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Cisco Catalyst 4500 Series and is the answer not in the manual?

Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

Related product manuals