Huawei Quidway S3500 Series User Manual

Operation Manual - Port
Quidway S3500 Series Ethernet Switches Chapter 1 Ethernet Port Configuration
Huawei Technologies Proprietary
1-12
1.3 Display and Debug Ethernet Port
After the above configuration, execute display command in any view to display the
running of the Ethernet port configuration, and to verify the effect of the configuration.
Execute loopback command in Ethernet port view to check whether the Ethernet port
works normally. In the process of the loopback test, the port cannot forward the packets.
The loop test will finish automatically after being executed for a while.
Using virtual-cable-test command in Ethernet port view, you can get the information of
the cable test in 5 seconds. The test information includes the condition of the cable
( open or short ) , and the distance between the ethernet port and the cable with fault.
S3552G/S3552P/S3552F/S3528G/S3528P support the command.
Execute reset command in user view to clear the statistics information of the port.
Table 1-16 Display and debug Ethernet port
Operation Command
Configure to perform loopback test on the
Ethernet port
loopback { external | internal }
Display the information of the cable test
virtual-cable-test
Display all the information of the port
display interface { interface_type |
interface_type interface_num |
interface_name }
Display hybrid port or trunk port display port { hybrid | trunk }
Display the information of VLAN VPN
display port vlan-vpn
Display the state of loopback detection
on the port
display loopback-detection
Clear the statistics information of the port
reset counters interface
[ interface_type | interface_type
interface_num | interface_name ]
Note that the loopback test cannot be performed on the port disabled by the shutdown
command. During the loopback test, the system will disable speed, duplex, mdi and
shutdown operation on the port. Some ports do not support the loopback test. If
performing this command in these ports, you will see the system prompt.
S3526/S3526 FS/S3526 FM/S3526E/S3526C Ethernet Switches support display
loopback-detection command in S3500 series switches.

Huawei Quidway S3500 Series Specifications

General

Brand	Huawei
Model	Quidway S3500 Series
Category	Network Router
Language	English