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z Keyword to is used to specify a range of ports. The port number after to must be equal to or greater
than that before to.
z &<1-10> means that you can specify up to 10 ports or port ranges.
Description
Use the loopback-detection interface-list enable command to enable the loopback detection function
on a range of ports.
Use the undo loopback-detection interface-list enable command to disable the loopback detection
function on a range of ports.
By default, the loopback detection function is enabled on ports if the device boots with the default
configuration file (config.def); if the device boots with null configuration, this function is disabled.
Example
# Enable the loopback detection function on ports Ethernet 1/0/1 through Ethernet 1/0/4.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] loopback-detection enable
[Sysname] loopback-detection Ethernet 1/0/1 to Ethernet 1/0/4 enable
loopback-detection interval-time
Syntax
loopback-detection interval-time time
undo loopback-detection interval-time
View
System view
Parameter
time: Time interval for loopback detection, in the range of 5 to 300 (in seconds). It is 30 seconds by
default.
Description
Use the loopback-detection interval-time command to set time interval for loopback detection.
Use the undo loopback-detection interval-time command to restore the default time interval.
Example
# Set time interval for loopback detection to 10 seconds.
<Sysname> system-view
System View: return to User View with Ctrl+Z.
[Sysname] loopback-detection interval-time 10
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