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H3C Loopback Detection Feature Manual

Release 2107

By default, the loopback port auto-shutdown 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.

Note:

You cannot enable both the loopback port control function (with the loopback-detection

control enable command) and the loopback port auto-shutdown function on a port. If

you do so, the function configured later will take effect.

Related command: loopback-detection enable, loopback-detection control

enable.

Example

# Enable the loopback port auto-shutdown function on port Ethernet 1/0/1.

<H3C> system-view

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

[H3C] loopback-detection enable

[H3C] interface ethernet 1/0/1

[H3C-Ethernet1/0/1] loopback-detection shutdown enable

Chapter 2 Loopback Detection Configuration

2-7

Commands