Displaying The Spanning-Tree Status - Cisco NCS 4200 Series Configuration Manual

Displaying the Spanning-Tree Status

DETAILED STEPS
Command or Action
Step 1
configure terminal
Step 2
spanning-tree vlan vlan-id max-age
seconds
Step 3
end
Step 4 show spanning-tree vlan vlan-id
Step 5
copy running-config startup-config
To return to the default setting, use the no spanning-tree vlan vlan-id max-age global configuration command.
Displaying the Spanning-Tree Status
To display the spanning-tree status, use one or more of the privileged EXEC commands in the table below:
Table 5: Commands for Displaying Spanning-Tree Status
Command
show spanning-tree active
show spanning-tree detail
show spanning-tree interface interface-id
show spanning-tree summary totals
You can clear spanning-tree counters by using the clear spanning-tree [interfaceinterface-id ] privileged
EXEC command.
For information about other keywords for the show spanning-tree privileged EXEC command, see the
command reference for this release.
LAN Switching Configuration Guide, Cisco IOS XE Everest 16.6.1 (Cisco NCS 4200 Series)
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Purpose
Enter global configuration mode.
Configure the maximum-aging time of a VLAN. The maximum-aging time
is the number of seconds a switch waits without receiving spanning-tree
configuration messages before attempting a reconfiguration.
• For vlan-id, you can specify a single VLAN identified by VLAN ID
number, a range of VLANs separated by a hyphen, or a series of
VLANs separated by a comma. The range is 1 to 4094.
• For seconds , the range is 6 to 40; the default is 20.
Return to privileged EXEC mode.
Verify your entries.
(Optional) Save your entries in the configuration file.
Purpose
Displays spanning-tree information only on active spanning-tree
interfaces.
Displays a detailed summary of interface information.
Displays spanning-tree information for the specified spanning-tree
interface.
Displays a summary of interface states or displays the total lines
of the STP state section.
Configuring PVST+ and RPVST+