. "Reference to the path identifier for the SR-TE Policy SAFI\nroute. The value is only non-zero if ADD-PATHS is not being\nused." . "Identifier for the path when using BGP ADD-PATHS for the SR-TE\npolicy SAFI." . . "If the route is learned from a neighbor, the path-id\ncorresponds to the path-id for the route in the\ncorresponding adj-rib-in-post table. If the route is\ninjected from another protocol, or the neighbor does not\nsupport BGP add-paths, the path-id should be set\nto zero, also the default value." . . . "Reference : draft-ietf-idr-add-paths - Advertisement of Multiple Paths\nin BGP" . . "Reference to the path-id list key" . "When the BGP speaker supports advertisement of multiple\npaths for a prefix, the path identifier is used to\nuniquely identify a route based on the combination of the\nprefix and path id. In the Adj-RIB-In, the path-id value is\nthe value received in the update message. In the Loc-RIB,\nif used, it should represent a locally generated path-id\nvalue for the corresponding route. In Adj-RIB-Out, it\nshould be the value sent to a neighbor when add-paths is\nused, i.e., the capability has been negotiated." . . . . "The default value is : 0" . . . .