Chapter 17
| Spanning Tree Commands
– 454 –
revision This command configures the revision number for this multiple spanning tree
configuration of this switch. Use the no form to restore the default.
Syntax
revision number
number - Revision number of the spanning tree. (Range: 0-65535)
Default Setting
0
Command Mode
MST Configuration
Command Usage
The MST region name (page 453) and revision number are used to designate a
unique MST region. A bridge (i.e., spanning-tree compliant device such as this
switch) can only belong to one MST region. And all bridges in the same region must
be configured with the same MST instances.
Example
Console(config-mstp)#revision 1
Console(config-mstp)#
Related Commands
name (453)
spanning-tree
bpdu-filter
This command allows you to avoid transmitting BPDUs on configured edge ports
that are connected to end nodes. Use the no form to disable this feature.
Syntax
[no] spanning-tree bpdu-filter
Default Setting
Disabled
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
â—† This command stops all Bridge Protocol Data Units (BPDUs) from being
transmitted on configured edge ports to save CPU processing time. This
function is designed to work in conjunction with edge ports which should only
connect end stations to the switch, and therefore do not need to process
BPDUs. However, note that if a trunking port connected to another switch or
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