GE T1000, Technical Manual

Page: 160 / 302

GE Reason Switches Chapter 7
– Configuration
160 REASON SWITCHES-TM-EN-3
6 Loop Protection Settings
Loop Protection menu allows configuring protection against loops created at the
switch. This function applies for loop created directly or loop created in unmanaged
switches connected in one port of Reason Switches. A loop is detected using loop
protection messages (PDU messages).
Loop Protection menu is located at Settings  Loop Protection.

General Settings:
This menu shows the settings related to enabling and the times related to this
function.
o
Enable Loop Protection : enable loop protection function. Enable
will allow the function to be operating and Disable will shut down
loop protection function;
o
Transmission Time : indicates the interval between each loop
protection message sent to the network. Allowed values are from 1
to 10 seconds, and default value is 5 seconds;
o
Shutdown Time : indicates the period in seconds that the port will
be disabled when a loop is detected and port is configured to shut
down when this occurs. Allowed values are from 1 to 604,800
seconds, and default value is 180 seconds.

Port Configuration:
This menu contains the settings allowed to perform when a loop is detected. The first
column displays port number that is being configured in a given row and other
columns allow configuration of that port. If one configuration is desired to be applied
at all ports, then the row “*” should be used, that is, configuration done in the “*” row
will be replied to all ports. Possible configurations are as follows.
o
Enable : enable loop protection function at the port. Checkbox
selected means LACP enabled, and checkbox empty means
disabled;
o
Action : indicates the action to be executed when a loop is detected
at the port. Allowed values are as follows:
 Shutdown Port : indicates that port will be disabled when
a loop is detected on the port. The period that the port will
remain disabled is the period defined at the Shutdown
Time field;