3com 8807 Reference Guide

C

HAPTER

 64: P

ORT

 L

OOPBACK

 D

ETECTION

 C

OMMANDS

<SW8800> system-view

 

[SW8800] interface Ethernet 2/1/1

 

[3Com-GigabitEthernet2/1/1] loopback-detection disable 

Ethernet port view

None

Use the display loopback-detection command to display whether the port 
loopback detection function is enabled or not. If the function is enabled, the 
command will display the interval for detections, the VLANs enabled with 
detection function, the existing loop, and the ports which are shutdown for loop.

# Display whether the port loopback detection function is enabled or not.

<SW8800> display loopback-detection

 

Loopback-detection is running on!                                   

 

Detection interval time is 60 seconds!                              

 

Following vlans enable loopback-detection:                          

 

  1                                                                 

 

Following ports are detected for loop:                              

 

  GigabitEthernet2/1/1      

 

                                                  

 

Following ports are shutdown for loop:                             

 

NULL  

Table 154   Description on the fields of the display loopback-detection command

Loopback-detection is running on! 

Port loopback detection function is enabled. 

Detection interval time is 60 seconds 

Interval time for detection is 60 seconds. 

Following ports are detected for loop: 

Ports on which loop exists 

Following ports are shutdown for loop: 

Ports which are shutdown for loop