Installation manual

Command Manual - Port
Quidway S3000-EI Series Ethernet Switches Chapter 1 Ethernet Port Configuration Commands
Huawei Technologies Proprietary
1-11
Description
Using interface command, you can enter the Ethernet port view.
If the user wants to configure the related parameters of the Ethernet port, he must first
use this command to enter the Ethernet port view.
Example
# Enter the Ethernet0/1 port view.
[Quidway] interface ethernet0/1
1.1.12 loopback
Syntax
loopback { external | internal }
View
Ethernet port view
Parameter
external: External loop test.
internal: Internal loop test.
Description
Using loopback command, you can configure the Ethernet port to perform the
loopback test to check whether the Ethernet port works normally and the loop test will
finish automatically after being performed for a while.
By default, the port will not perform the loopback test.
Example
# Perform the internal loop test for Ethernet0/1.
[Quidway-Ethernet0/1] loopback internal
1.1.13 loopback-detection control enable
Syntax
loopback-detection control enable
undo loopback-detection control enable
ViewSystem view/Ethernet port view
Parameter
none