ZyXEL ES-3148 Guida Utente

 Chapter 25 Loop Guard

ES-3148 User’s Guide

"

After resolving the loop problem on your network you can re-activate the 
disabled port via the web configurator (see 

commands (see 

the CLI Reference Guide

)

.

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 83   Advanced Application > Loop Guard 

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 a 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.