ZyXEL Communications GS-3012F/3012 - Manual (Page 205)

Chapter 24 Loop Guard
GS-3012/GS-3012F User’s Guide
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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 78 ) or via
commands (See the CLI Reference Guide).
24.2 Loop Guard Setup
Click Advanced Application > Loop Guard in the navigation panel to display the screen as
shown.
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The loop guard feature can not be enabled on the ports that have Spanning
Tree Protocol (RSTP, MRSTP or MSTP) enabled.
Figure 115 Advanced Application > Loop Guard
The following table describes the labels in this screen.
Table 77 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.