def _get_nlpid(self):
return self.__nlpid<EOL>
Getter method for nlpid, mapped from YANG variable /network_instances/network_instance/protocols/protocol/isis/interfaces/interface/levels/level/adjacencies/adjacency/state/nlpid (enumeration)

    YANG Description: Supported Protocol. IPv4 is defined as (0xcc)
and IPv6 - (0x8e). ISIS reference is TLV 129.