Enabling loop protection in port mode

Follow these steps.

Procedure

Configure port mode with this command:
```
switch(config)# loop-protect mode port
```
Enter the loop-protect command and specify the ports on which loop protection should be enabled. For example:
```
switch(config)# loop-protect 1-2
```
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
```