Changes made in the named MD, MA, MA component, and MEP configuration contexts do not take affect until the the CFM configuration is activated for that context. Use the enable command in the appropriate configuration context to activate the CFM configuration for that context.
If enable has already been entered in the current context, you must first enter no enable before making any further changes. If you attempt to make changes in a context that has already been enabled, you receive an error message like the following MD context error message:
Error: MD must be disabled ("no enable") before changes can be made.
Once changes are completed, enter enable again for the changes to take affect.
For a given configuration context to be operational, its parent context must be enabled: