Chapter 25 Loop Guard

"After resolving the loop problem on your network you can re-activate the disabled port via the web configurator (see Section 7.7 on page 85) or via commands (see Section 45.12.4 on page 368).

25.2Loop Guard Setup

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

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

Figure 116 Advanced Application > Loop Guard

The following table describes the labels in this screen.

Table 80 Advanced Application > Loop Guard

LABEL

DESCRIPTION

Active

Select this option to enable loop guard on the Switch.

 

The Switch generates syslog, internal log messages as well as SNMP traps when it

 

shuts down a port via the loop guard feature.

 

 

Port

This field displays the port number.

 

 

*

Use this row to make the setting the same for all ports. Use this row first and then

 

make adjustments on a port-by-port basis.

 

Note: Changes in this row are copied to all the ports as soon as you

 

make them.

 

 

 

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GS-4012F/4024 User’s Guide