o routing information Source routing information to be used when communicating with the entity's destination station. o state State of the source route entity. no route No path known to the entity's destination address. on ring Destination station on the local token ring. No source routing information needed. have route Destination station on a remote token ring. Entity contains valid source routing information. rediscovering Route discovery on the extended token ring is in progress. stale Had source route but the Aging Timer expired. weak route Entity was created as a result of a Spanning Tree Explorer multicast frame. o uid Entity's unique identifier, which is generated when the entity is created.