The index of the management address list
corresponding to this Platform. This object
is an index into the fcsMgmtAddrListTable.
Zero or more of the management address objects may
be associated with a Platform object.
If this entry is configured via SNMP as indicated
by the corresponding instance of fcsPlatformConfig-
Source object, then this object should only point
to entries in fcsMgmtAddrListTable that have been
created via SNMP. Similarly, if this entry is
configured via GS-3, then it can only point to
entries configured via GS-3 in the
fcsMgmtAddrListTable.