Справочное Руководство для 3com S7906E

 

1-22 

Use the loopback-detection interval-time command to configure time interval for performing port 

loopback detection. 

Use the undo loopback-detection interval-time command to restore the default time interval for port 

loopback detection, which is 30 seconds. 

Related commands: display loopback-detection. 

# Set the time interval for performing port loopback detection to 10 seconds. 

<Sysname> system-view 

[Sysname] loopback-detection interval-time 10 

loopback-detection per-vlan enable 

undo loopback-detection per-vlan enable 

Layer 2 Ethernet interface view 

2: System level 

None 

Use the loopback-detection per-vlan enable command to enable loopback detection in all VLANs 

with Trunk ports or Hybrid ports. 

Use the undo loopback-detection per-vlan enable command to enable loopback detection in the 

default VLAN with Trunk ports or Hybrid ports. 

By default, loopback detection is only enabled in the default VLAN(s) with Trunk ports or Hybrid ports. 

Note that the loopback-detection per-vlan enable command is not applicable to Access ports. 

# Enable loopback detection in all the VLANs to which the Hybrid port Ethernet 2/0/1 belongs. 

<Sysname> system-view 

[Sysname] loopback-detection enable 

[Sysname] interface ethernet 2/0/1 

[Sysname-Ethernet2/0/1] loopback-detection enable 

[Sysname-Ethernet2/0/1] port link-type trunk 

[Sysname-Ethernet2/0/1] loopback-detection per-vlan enable