Enabling loop protection in port mode

Follow these steps.

Procedure
  1. Configure port mode with this command:
    switch(config)# loop-protect mode port
  2. Enter the loop-protect command and specify the ports on which loop protection should be enabled. For example:
    switch(config)# loop-protect 1-2
  3. Optionally specify receiver-action of send-disable to shut down the port in the event of a loop. For example:
    switch(config)# loop-protect 1-2 receiver-action send-disable