Huawei Quidway S8500 Series - Loopback; MDI

Command Manual – Port
Quidway S8500 Series Routing Switches Chapter 1 Ethernet Port Configuration Commands
Huawei Technologies Proprietary
1-13
Example
# Permit jumbo frames to pass the card on slot 6 and set the maximum size of Jumbo
frames to 9022 .
<Quidway>system-view
[Quidway] jumboframe enable 9022 slot 6
1.1.13 loopback
Syntax
loopback { external | internal }
undo loopback
View
Ethernet port view
Parameter
external: Ethernet port in external loop mode. Presently, the Ethernet ports of the
Quidway S8500 Series Routing Switches do not support this mode.
internal: Ethernet port in internal loop mode.
Description
Use the loopback command to set the Ethernet port in loop mode.
Use the undo loopback command to cancel the loop setting.
By default, the Ethernet port is not in loop mode.
Example
# Configure Ethernet2/1/1 in internal loop mode.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] interface ethernet2/1/1
[Quidway-Ethernet2/1/1] loopback internal
1.1.14 mdi
Syntax
mdi { across | auto | normal }
undo mdi
View
Ethernet port view