cIsnsRegFcPortFabricPortWwn 1.3.6.1.4.1.9.10.116.1.1.7.5.1.1.5

The Fabric Port WWN for this entry as defined in the iSNS Specification [iSNS]. The value of zero for this managed object indicates that the Fabric Port WWN is not known, or has not yet been registered with the iSNS Server.