The loop-detection enable command enables loop detection globally.
The undo loop-detection enable command restores the default configuration.
By default, loop detection is not enabled globally.
Usage Scenario
Run the loop-detection enable command to enable loop detection globally before you use other loop detection commands.
After you run the undo loop-detection enable command, loop detection will be disabled on interfaces configured with loop detection and the loop-detect enable command will be deleted from these interfaces.