3-16
loopback enable
Syntax
loopback enable
undo loopback enable
View
ONU port view
Default Level
2: System level
Parameters
None
Description
Use the loopback enable command to enable MAC loopback for the ONU.
Use the undo loopback enable command to cancel loopback.
By default, MAC loopback is not enabled for an ONU.
Related commands: loopback command in Port Basic Configuration Commands.
Use this command only when necessary as enabling MAC loopback for an ONU may affect the
device performance.
You need to use the undo loopback enable command to cancel the loopback, which does not
end automatically.
Examples
# Enable MAC loopback on ONU 3/0/1:1, and cancel the loopback one minute later.
<Sysname> system-view
[Sysname] interface onu 3/0/1:1
[Sysname-Onu3/0/1:1]loopback enable
Warning: enable loopback will affect system performance and business, are you sure?(Y/N)y
[Sysname-Onu3/0/1:1]undo loopback enable
management-vlan
Syntax
management-vlan vlan-id
undo management-vlan
View
ONU port view
Default Level
2: System level
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