20-19
Cisco Catalyst Blade Switch 3130 and 3032 for Dell Software Configuration Guide
OL-12247-04
Chapter 20 Configuring Optional Spanning-Tree Features
Displaying the Spanning-Tree Status
To globally disable loop guard, use the
no spanning-tree loopguard default
global configuration
command. You can override the setting of the
no spanning-tree loopguard default
global configuration
command by using the
spanning-tree guard loop
interface configuration command.
Displaying the Spanning-Tree Status
To display the spanning-tree status, use one or more of the privileged EXEC commands in
:
You can clear spanning-tree counters by using the
clear spanning-tree
[
interface
interface-id
]
privileged EXEC command.
For information about other keywords for the
show spanning-tree
privileged EXEC command, see the
command reference for this release.
Step 3
spanning-tree loopguard default
Enable loop guard.
By default, loop guard is disabled.
Step 4
end
Return to privileged EXEC mode.
Step 5
show running-config
Verify your entries.
Step 6
copy running-config startup-config
(Optional) Save your entries in the configuration file.
Command
Purpose
Table 20-2
Commands for Displaying the Spanning-Tree Status
Command
Purpose
show spanning-tree active
Displays spanning-tree information on active interfaces only.
show spanning-tree detail
Displays a detailed summary of interface information.
show spanning-tree interface
interface-id
Displays spanning-tree information for the specified interface.
show spanning-tree mst interface
interface-id
Displays MST information for the specified interface.
show spanning-tree summary
[
totals
]
Displays a summary of interface states or displays the total lines of the
spanning-tree state section.
