Huawei Quidway S5600 Series Operation Manual page 168

Operation Manual – Port Basic Configuration
Quidway S5600 Series Ethernet Switches-Release 1510
Table 1-11 Set loopback detection for an Ethernet port
Operation
Enter system view
Enable
detection globally
Set time interval for
port
detection
Enter Ethernet port
view
Enable
detection
specified port
Enable loopback port
control on the trunk or
hybrid port
Configure the system
to run
detection
VLANs for the trunk
and hybrid ports
Display port loopback
detection information
Caution:
To enable loopback detection on a specific port, you must use the
loopback-detection enable command in both system view and the specific port
view.
After you use the undo loopback-detection enable command in system view,
loopback detection will be disabled on all ports.
1.2.9 Configuring the Ethernet Port to Run Loopback Test
You can configure the Ethernet port to run loopback test to check if it operates normally.
The port running loopback test cannot forward data packets normally. The loopback
test terminates automatically after a specific period.
Command
system-view
loopback loopback-detection
enable
loopback-detection
loopback
interval-time time
interface interface-type
interface-number
loopback
loopback-detection
on a
enable
loopback-detection
control enable
loopback
loopback-detection
on all
per-vlan enable
display
loopback-detection
Huawei Technologies Proprietary
1-9
Chapter 1 Port Basic Configuration
Remarks
—
Optional
By default, loopback detection
is disabled globally.
Optional
The default interval is 30
seconds.
—
Optional
By default, port loopback
detection is disabled.
Optional
By default, loopback port
control is not enabled.
Optional
By default, the system runs
loopback detection only on the
default VLAN for the trunk and
hybrid ports.
Optional
You can use the command in
any view.