D-Link DGS-3000 - Config Loopdetect Ports

DGS-3000 Series Layer 2 Managed Gigabit Ethernet Switch CLI Reference Guide
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Example
To set the auto-recover time to 0, which disables the auto-recovery mechanism, the interval to 20
seconds and specify VLAN-based mode:
DGS-3000-26TC:admin#config loopdetect recover_timer 0 interval 20 mode vlan-
based
Command: config loopdetect recover_timer 0 interval 20 mode vlan-based
Success.
DGS-3000-26TC:admin#
config loopdetect ports 47-2
Description
This command is used to setup the loop-back detection function for the interfaces on the Switch.
Format
config loopdetect ports [<portlist> | all] state [enable | disable]
Parameters
ports - Specify the range of ports that LBD will be configured on.
<portlist> - Enter a list of ports
all - Specify to set all ports in the system.
state - Specify whether the LBD function should be enabled or disabled on the ports specified in
the port list. The default state is disabled.
enable - Specify to enable the LBD function.
disable - Specify to disable the LBD function.
Restrictions
Only Administrators, Operators and Power-Users can issue this command.
Example
To enable the LBD function on ports 1-5:
DGS-3000-26TC:admin#config loopdetect ports 1-5 state enable
Command: config loopdetect ports 1-5 state enable
Success.
DGS-3000-26TC:admin#