D-Link DXS-1210-12TC Reference Manual page 209

Switch# configure terminal
Switch(config)#loopback-detection vlan 100-200
Switch(config)#
26-5
This command is used to display the current loopback detection control settings.
show loopback-detection [interface INTERFACE-ID [, | -]]
Parameters
interface INTERFACE-ID
,
-
Default
None.
Command Mode
EXEC Mode or Any Configuration Mode.
Command Default Level
Level: 1.
Usage Guideline
Use this command to display the loopback detection setting and status.
Example
This example shows how to displays the current loopback detection settings and status.
DXS-1210 Series Smart Managed Switch CLI Reference Guide
show loopback-detection
(Optional) Specifies the interface's ID to be displayed.
(Optional)Specifies a series of interfaces, or separate a range of
interfaces from a previous range. No spaces are allowed before and
after the comma.
(Optional)Specifies a range of interfaces. No spaces are allowed
before and after the hyphen.
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