This object along with ipslaEthernetGrpCtrlEntry identifies
a particular reaction-configuration for a particular
Auto-Ethernet-CFM operation.
This is a pseudo-random number selected by the management
station when creating a row via the ipslaEthernetGrpReactStatus.
If the pseudo-random number is already in use an
'inconsistentValue' return code will be returned when
set operation is attempted.