Configuring Bpdu Skewing - Cisco WS-X6066-SLB-APC - Content Switching Module Software Manual

Configuring BPDU Skewing

Configuring BPDU Skewing
Commands that support the spanning tree BPDU skewing feature perform these functions:
•
•
•
To change how spanning tree performs BPDU skewing statistics gathering, enter the set spantree
bpdu-skewing command. The bpdu-skewing command is disabled by default.
To configure the BPDU skewing statistics gathering for a VLAN, perform this task in privileged mode:
Task
Step 1
Configure BPDU skewing.
Step 2 Verify the configuration.
This example shows how to configure BPDU skewing and view the skewing statistics:
Console> (enable) set spantree bpdu-skewing
Usage:set spantree bpdu-skewing <enable|disable>
Console> (enable) set spantree bpdu-skewing enable
Spantree bpdu-skewing enabled on this switch.
Console> (enable)
Console> (enable) show spantree bpdu-skewing 1
Bpdu skewing statistics for vlan 1
Port
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8/2
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8/6
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Console> (enable)
Catalyst 6000 Family Software Configuration Guide—Releases 6.3 and 6.4
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Allow you to enable or disable BPDU skewing. The default is disabled.
Modify the show spantree summary output to show if the skew detection is enabled and for which
VLANs or PVST+ or MISTP instances the skew was detected.
Provide a display of the VLAN or PVST+ or MISTP instance and the port affected by the skew
including this information:
The last skew duration (in absolute time)
–
The worst skew duration (in absolute time)
–
The date and time of the worst duration
–
Last Skew ms Worst Skew ms
------------- -------------
5869
4050
113363
4111
113522
4111
113678
4111
113833
4111
113917
4110
113926
4111
Command
set spantree bpdu-skewing [enable | disable]
show spantree bpdu-skewing vlan [mod/port]
show spantree bpdu-skewing mistp-instance
[instance] [mod/port]
Worst Skew Time
-------------------------
108370 Tue Nov 21 2000, 06:25:59
113198 Tue Nov 21 2000, 06:26:04
113363 Tue Nov 21 2000, 06:26:05
113441 Tue Nov 21 2000, 06:26:05
113522 Tue Nov 21 2000, 06:26:05
113600 Tue Nov 21 2000, 06:26:05
113678 Tue Nov 21 2000, 06:26:05
113755 Tue Nov 21 2000, 06:26:05
113833 Tue Nov 21 2000, 06:26:05
113913 Tue Nov 21 2000, 06:26:05
113917 Tue Nov 21 2000, 06:26:05
113922 Tue Nov 21 2000, 06:26:05
113926 Tue Nov 21 2000, 06:26:05
113931 Tue Nov 21 2000, 06:26:05
Chapter 8 Configuring Spanning Tree
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