This OID carries the Relative Name (RN) of a LldpNeighborEntry object, one LLDP-discovered neighbor device that a Fabric Interconnect has detected on one of its ports — the naming component that distinguishes this instance from its siblings under the same parent object. Because LldpNeighborEntry instances are addressed by concatenating RNs down the management tree, an admin uses this value together with the parent DN to reconstruct exactly where this instance sits. For example, two LldpNeighborEntry instances that share the same parent will report different cucsNetworkLldpNeighborEntryRn strings, letting a script tell them apart even when their other property values look identical.