Chapter 26 Loop Guard

of the loop guard probe packet is also shown. In this example, the probe packet is sent from port N and returns on another port. As long as loop guard is enabled on port N. The Switch will shut down port N if it detects that the probe packet has returned to the Switch.

Figure 132 Loop Guard - Network Loop

A

P

N

P

P

Note: After resolving the loop problem on your network you can re-activate the disabled port via the web configurator (see Section 8.7 on page 83) or via commands (See the CLI Reference Guide).

26.2 Loop Guard Setup

Click Advanced Application > Loop Guard in the navigation panel to display the screen as shown.

Note: The loop guard feature can not be enabled on the ports that have Spanning Tree Protocol (RSTP, MRSTP or MSTP) enabled.

Figure 133 Advanced Application > Loop Guard

 

249

GS2200-24 User’s Guide