How can we undo enable mapgroup configuration when mapgroup is busy?
The reason mapgroup is busy is due to there are calls engaging when try to undo enable. To solve this proble, we can execute the below:
1. Disable client address interface for this mapgroup and wait the call disconnected. (If there are other addresses using this mapgroup, this cannot be done.)
2. Shutdown, keep configuration and restart. After the system restarted, this interface will down due to no call message, and can proceed to undo enable mapgroup.