DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide
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Default
By default, this value is 10 seconds.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
Use this command to configure the interval at which LBD packets are sent to discover the loop
occurrence.
Example
This example shows how to configure the time interval to 20 seconds.
Switch# configure terminal
Switch(config)# loopback-detection interval 20
Switch(config)#
44-4 loopback-detection vlan
This command is used to configure the VLANs to be enabled for loop detection. Use the no form of
this command to revert to the default setting.
loopback-detection vlan VLAN-LIST
no loopback-detection vlan VLAN-LIST
Parameters
Specifies the VLAN identification number, numbers, or range of
numbers to be matched. Enter one or more VLAN values separated
by commas or hyphens for a range list.
Default
By default, this option is enabled for all VLANs.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
Use this command to configure the list of VLANs that are enabled for loop detection. The command
setting takes effect when the port’s loop detection mode is operated in the VLAN-based mode.
If the VLAN ID list is empty, LBD Control packets are sent out for all VLANs that the port is a member
of. LBD Control packets will be sent out for the VLAN that the member port within the specified VLAN
list.
The VLAN list can be incremented by issuing this command multiple times.
Example
This example shows how to enable VLANs 100 to 200 for loop detection.
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