spanning-tree restricted-tcn

Restricts the Topology Change Notification (TCN) Bridge Protocol Data Units (BPDUs) sent on the port.

Syntax

spanning-tree restricted-tcn
no spanning-tree restricted-tcn

Command Default

The restricted TCN is disabled.

Modes

Interface configuration mode

Usage Guidelines

Enter no spanning-tree restricted-tcn to disable this parameter.

Examples

To restrict the TCN on a specific interface:

device# configure terminal
device(config)# interface ethernet 1/5 
device(conf-if-eth-1/5)# spanning-tree restricted-tcn