3Com Switch 7750 Series
Command Reference Guide — Basic Port Commands Chapter 1 Port Basic Configuration Commands
1-9
Description
Use the display loopback-detection command to display the information related to
the loopback detection function on the port.
Example
# Display the information about loopback detection on the port and “e” is not included in
the interface name.
<3Com> display loopback-detection | exclude e
Loopback-detection interval time is 30 seconds
Interface detect control per-vlan loopback-status
--------------------------------------------------------------------------
RprGE1/0/1 N N N not-loop
RprGE1/0/1.1 N N N not-loop
RprGE1/0/1.2 N N N not-loop
Table 1-3 Description on the fields of the display loopback-detection command
Field Description
Loopback-detection interval time Interval of performing loopback
detection
Interface Interface name
detect Whether loopback detection is enabled
control Processing mode for the port where
loopback is detected
per-vlan Whether to perform loopback detection
on all the VLANs on the port
loopback status Whether loopback occurs on the current
port
Syntax
display port { hybrid | trunk }
View
Any view
Parameter
hybrid: Displays hybrid ports.
trunk: Displays trunk ports.