def _get_link_id(self):
return self.__link_id<EOL>
Getter method for link_id, mapped from YANG variable /network_instances/network_instance/protocols/protocol/ospfv2/areas/area/lsdb/lsa_types/lsa_type/lsas/lsa/opaque_lsa/extended_link/state/link_id (yang:dotted-quad)

    YANG Description: The identifier for the link specified. The value of the link
identifier is dependent upon the type of the LSA. The value is
specified to be, per sub-type:
 1) Neighbouring router's router ID.
 2) IP address of DR.
 3) IP network address.
 4) Neighbouring router router's ID.