This object specifies the expected FE IMA ID or learned
IMA ID. It is an extension to IMA-MIB's read-only object
imaGroupRxImaId.
The valid IMA ID range is from 0 to 255.
The value '-1' of this object indicates an undetermined FE
IMA ID. The following are the possible conditions for
undetermined FE IMA ID in this object:
[1] auto-restart feature is disabled.
[2] in 'relearn' auto-restart mode, IMA group restarts and
the relearning process is in progress.
[3] in 'reuse' auto-restart mode, value of object
cimaGrpRxImaIdExpected is set to '-1' and the
relearning process is in progress.