3com 4500 50-PORT 사용자 설명서

C

HAPTER

 2: U

SING

 P

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OMMANDS

[4500]

Ethernet Port View

None

Use the 

 command to configure the 

system to perform loopback detection on all VLANs on Trunk and Hybrid ports. 
Use the 

 command to configure the 

system to only perform loopback detection on the default VLANs on the port.

By default, the system performs loopback detection to the default VLAN on Trunk 
and Hybrid ports.

Configure the detection interval for the external loopback condition of each port 
to 10 seconds.

<4500>system-view

System View: return to User View with Ctrl+Z.

[4500]interface ethernet 1/0/1

[4500-Ethernet1/0/1]port link-type trunk

[4500-Ethernet1/0/1]loopback-detection per-vlan enable

[4500-Ethernet1/0/1]

Ethernet Port View

Enter to configure the network cable type to cross-over cable. Not 

available on the Switch 4500. 

Enter to configure the use of either straight-through cable or cross-over 

cable.

Enter to configure the network cable type to straight-through cable. Not 

available on the Switch 4500.