erps ring <ringid> tcn-propogation
Syntax
erps ring <ringid>
tcn-propogation
Description
This command is to configure a sub-ring interconnection node to pass a topology change notification to the ring instance for the parent ring whenever the topology of the sub-ring changes. The parent ring instance performs a Forwarding Database (FDB) flush and sends a protocol message to ensure that other nodes on the parent ring also perform an FDB flush.
The
no
form of this command disables topology change notifications.
Command context
config-erps-ring-<ringid>
Parameters
<ringid>
Required, specifies the ID of the ring. Range: 1-239
Authority
Administrators
Examples
Configure topology change notifications:
switch(config)# erps ring 2 switch(config-erps-ring-2)# tcn-propogation
Disable topology change notifications:
switch(config)# erps ring 2 switch(config-erps-ring-2)# no tcn-propogation