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 tcnfilter 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
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