Chapter 14: Switching Commands
264 Section III: Layer 2 Switching
on
Specifies that the port discards the LDF if the ID code in the LDF is
different from the valid ID code. The ID code is valid during the
specified interval. This is the default setting.
off
Specifies that the port does not check the ID code int the LDF.
blocktimeout
Specifies duration in seconds when the port takes the action
specified by the lowrateaction or hightrateaction parameter.
timeout
Specifies time in seconds. The default value is 300 seconds.
none
Specifies that the port does not stop taking the action specified by
the action parameter.
Description
Use this command to specify the actions of Loop Detection.
Here are guidelines for Loop Detection:
Allied Telesis recommends the linkdown option for trunk ports.
You cannot specifying the bcdiscard option on the ports that the
Packet Strom Protection is enabled.
Allied Telesis recommends 1 second or longer for the interval and
60 seconds or longer for the blocktimeout parameter when the
linkdown option is specified.
To cancel the action that the port took when the loop is detected:
– Execute the ENABLE SWITCH PORT command.
– Execute the DISABLE SWITCH PORT command
– Disconnect the port.
– Modify the power saving mode to portoff.
Confirmation Command
“SHOW SWITCH STORMDETECTION” on page 276
Example
The following command sets port 2 to send an LDF every 60 seconds and
to be disconnected for 3600 seconds when the loop is detected:
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