Login to the VLNC4x at one of the nodes in the ERP.

Result:

The User EXEC prompt [(ALU switching)>] displays.

From the User EXEC prompt, enter enable to enter the Privileged EXEC mode.

Make sure that the ring is in the idle state.

From the Privileged EXEC mode, enter show erp <name>, where <name> is the name of the ERP you are provisioning.

Example: (ALU Switching) # show erp ring1.

Verify that Current State is “No Request (RPL blocked).”

Result:

The command displays ERP settings and status.

At one of the nodes adjacent to the node being removed, shut down one of the links connected to the node being removed.

Login to one of the adjacent nodes.

From the User EXEC prompt, enter enable to enter the Privileged EXEC mode.

From the Privileged EXEC mode, enter configure to enter the Global Config mode.

Enter interface <port>, where <port> is the AID of the port associated with the link to be shut down.

From the Interface Config mode, enter shutdown.

Example: (ALU Switching) (interface d2-1)# shutdown.

Result:

This node signals SF and unblocks the ring protection link (RPL).

Remove the node and reconnect the ring without that node. The other adjacent node should also signal SF until the new link is working.

Login to the node where you disabled the link in Step 4.

From the User EXEC prompt, enter enable to enter the Privileged EXEC mode.

From the Privileged EXEC mode, enter configure to enter the Global Config mode.

Enter interface <port>, where <port> is the AID of the port associated with the link that was shut down.

From the Interface Config mode, enter no shutdown.

Example: (ALU Switching) (interface d2-1)# no shutdown.

End of steps