DGS-6604
m
spanning-tree tcnfilter
CLI Reference Guide
874
spanning-tree tcnfilter
To enable Topology Change Notification (TCN) filtering at the specific interface,
use
spanning-tree tcnfilte
r command at the interface mode. Use the no form of
this command to disable TCN filtering.
spanning-tree tcnfilter
no spanning-tree tcnfilter
Syntax
None
Default
Disabled
Command Mode
Interface configuration
Usage Guideline
Both physical ports and port-channel interfaces are valid for this command.
TCN filtering can be set to enabled or disabled. If set to enabled, it stops the port
from propagating received topology change notifications and topology changes
to other ports.This configuration takes effect on any spanning-tree mode types.
Example
This example shows how to configure TCN filtering on eth3.7.
Verify the settings by entering the
show spanning-tree interface
command.
Switch(config)#interface eth3.7
Switch(config-if)#spanning-tree tcnfilter