Point-to-point EFM link detection can be performed only after EFM OAM is enabled on the interfaces at both ends of a link. Perform the following steps at both ends of a link:
The system view is displayed.
The view of the interface at one end of a link is displayed.
EFM OAM is enabled on the interface.
Before running this command, you must run the efm enable command in the system view to enable EFM OAM globally.
The configuration is committed.