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80.2 Loopguard Commands
Use these commands to configure the OLT to guard against loops on the edge of your network. The OLT
shuts down a port if the OLT detects that packets sent out on the port loop back to the OLT.
Table 301 Loopguard Commands
COMMAND
show loopguard
loopguard
no loopguard
interface port-channel <aid>
loopguard
no loopguard
no loopguard vlan
loopguard vlan <1~4094>
loopguard detection-time <1~120>
no loopguard detection-time
clear loopguard
Chapter 80 Loop Guard
DESCRIPTION
Displays which ports have loopguard enabled
as well as their status.
Enables loopguard on the OLT.
Disables loopguard on the OLT.
Enters config-interface mode for the specified
port(s).
aid: <msc|ge|pon>-<slot>-<port>
Enables the loopguard feature on the port(s).
You have to enable loopguard on the OLT as
well. The OLT shuts down a port if the OLT
detects that packets sent out on the port loop
back to the OLT.
Disables the loopguard feature on the port(s).
Clears the VLAN ID.
Specifies the VLAN ID. It's the VLAN group that
loop guard detection packets will be sent to.
Specifies the time interval (from 1 to 120
seconds) at which the OLT sends loop guard
detection packets. A loop guard detection
packet is to detect whether there's a loop on a
port or not.
Resets the time interval to default (0).
Clears loopguard counters.
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