xcmCommsStackXrefLayerSecIndex 1.3.6.1.4.1.253.8.61.7.2.1.3

The value of 'xcmCommsStackIndex' corresponding to the one-to-one associated conceptual row in the 'xcmCommsStackTable' which has 'xcmCommsStackExtPurpose' of 'layerSecurity', or zero if this this stack layer has no associated layer security entity.