Type	NLRI Type	Reference
0	Reserved	[RFC7752]
1	Node NLRI	[RFC7752]
2	Link NLRI	[RFC7752]
3	IPv4 Topology Prefix NLRI	[RFC7752]
4	IPv6 Topology Prefix NLRI	[RFC7752]
5-1100	Unassigned
1101	Not to be allocated
1102-65535	Unassigned

Protocol-ID	NLRI information source protocol	Reference
0	Reserved	[RFC7752]
1	IS-IS Level 1	[RFC7752]
2	IS-IS Level 2	[RFC7752]
3	OSPFv2	[RFC7752]
4	Direct	[RFC7752]
5	Static configuration	[RFC7752]
6	OSPFv3	[RFC7752]
7	BGP	[draft-ietf-idr-bgpls-segment-routing-epe]
8-255	Unassigned

Identifier	Routing Universe	Reference
0	Default Layer 3 Routing topology	[RFC7752]
1-31	Unassigned
32 - 2^64-1	Private use - not recorded	[RFC7752]

TLV Code Point	Description	IS-IS TLV/Sub-TLV	Reference
0-255	Reserved		[RFC7752]
256	Local Node Descriptors		[RFC7752, Section 3.2.1.2]
257	Remote Node Descriptors		[RFC7752, Section 3.2.1.3]
258	Link Local/Remote Identifiers	22/4	[RFC5307, Section 1.1]
259	IPv4 interface address	22/6	[RFC5305, Section 3.2]
260	IPv4 neighbor address	22/8	[RFC5305, Section 3.3]
261	IPv6 interface address	22/12	[RFC6119, Section 4.2]
262	IPv6 neighbor address	22/13	[RFC6119, Section 4.3]
263	Multi-Topology ID		[RFC7752, Section 3.2.1.5]
264	OSPF Route Type		[RFC7752, Section 3.2.3]
265	IP Reachability Information		[RFC7752, Section 3.2.3]
266	Node MSD (TEMPORARY - registered 2017-11-02, extension registered 2018-09-07, expires 2019-11-02)	242/23	[draft-ietf-idr-bgp-ls-segment-routing-msd]
267	Link MSD (TEMPORARY - registered 2017-11-02, extension registered 2018-09-07, expires 2019-11-02)	(22,23,25,141,222,223)/15	[draft-ietf-idr-bgp-ls-segment-routing-msd]
268-511	Unassigned
512	Autonomous System		[RFC7752, Section 3.2.1.4]
513	BGP-LS Identifier		[RFC7752, Section 3.2.1.4]
514	OSPF Area-ID		[RFC7752, Section 3.2.1.4]
515	IGP Router-ID		[RFC7752, Section 3.2.1.4]
516	BGP Router-ID		[draft-ietf-idr-bgpls-segment-routing-epe]
517	BGP Confederation Member		[draft-ietf-idr-bgpls-segment-routing-epe]
518-1023	Unassigned
1024	Node Flag Bits		[RFC7752, Section 3.3.1.1]
1025	Opaque Node Attribute		[RFC7752, Section 3.3.1.5]
1026	Node Name	variable	[RFC7752, Section 3.3.1.3]
1027	IS-IS Area Identifier	variable	[RFC7752, Section 3.3.1.2]
1028	IPv4 Router-ID of Local Node	134/---	[RFC5305, Section 4.3]
1029	IPv6 Router-ID of Local Node	140/---	[RFC6119, Section 4.1]
1030	IPv4 Router-ID of Remote Node	134/---	[RFC5305, Section 4.3]
1031	IPv6 Router-ID of Remote Node	140/---	[RFC6119, Section 4.1]
1032-1033	Unassigned
1034	SR Capabilities		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1035	SR Algorithm		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1036	SR Local Block		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1037	SRMS Preference		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1038-1087	Unassigned
1088	Administrative group (color)	22/3	[RFC5305, Section 3.1]
1089	Maximum link bandwidth	22/9	[RFC5305, Section 3.4]
1090	Max. reservable link bandwidth	22/10	[RFC5305, Section 3.5]
1091	Unreserved bandwidth	22/11	[RFC5305, Section 3.6]
1092	TE Default Metric	22/18	[RFC7752, Section 3.3.2.3]
1093	Link Protection Type	22/20	[RFC5307, Section 1.2]
1094	MPLS Protocol Mask		[RFC7752, Section 3.3.2.2]
1095	IGP Metric		[RFC7752, Section 3.3.2.4]
1096	Shared Risk Link Group		[RFC7752, Section 3.3.2.5]
1097	Opaque Link Attribute		[RFC7752, Section 3.3.2.6]
1098	Link Name		[RFC7752, Section 3.3.2.7]
1099	Adjacency Segment Identifier (Adj-SID) TLV		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1100	LAN Adjacency Segment Identifier (Adj-SID) TLV		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1101	Peer-Node-SID		[draft-ietf-idr-bgpls-segment-routing-epe]
1102	Peer-Adj-SID		[draft-ietf-idr-bgpls-segment-routing-epe]
1103	Peer-Set-SID		[draft-ietf-idr-bgpls-segment-routing-epe]
1104	Unassigned
1105	RTM Capability	22/40	[RFC8169]
1106-1113	Unassigned
1114	Unidirectional Link Delay		[RFC-ietf-idr-te-pm-bgp-18]
1115	Min/Max Unidirectional Link Delay		[RFC-ietf-idr-te-pm-bgp-18]
1116	Unidirectional Delay Variation		[RFC-ietf-idr-te-pm-bgp-18]
1117	Unidirectional Link Loss		[RFC-ietf-idr-te-pm-bgp-18]
1118	Unidirectional Residual Bandwidth		[RFC-ietf-idr-te-pm-bgp-18]
1119	Unidirectional Available Bandwidth		[RFC-ietf-idr-te-pm-bgp-18]
1120	Unidirectional Utilized Bandwidth		[RFC-ietf-idr-te-pm-bgp-18]
1121	Graceful-Link-Shutdown TLV		[RFC8379]
1122-1151	Unassigned
1152	IGP Flags		[RFC7752, Section 3.3.3.1]
1153	IGP Route Tag		[RFC5130]
1154	IGP Extended Route Tag		[RFC5130]
1155	Prefix Metric		[RFC5305]
1156	OSPF Forwarding Address		[RFC2328]
1157	Opaque Prefix Attribute		[RFC7752, Section 3.3.3.6]
1158	Prefix SID		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1159	Range		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1160	Unassigned
1161	SID/Label TLV		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1162-1169	Unassigned
1170	IGP Prefix Attributes		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1171	Source Router-ID		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1172	L2 Bundle Member TLV		[draft-ietf-idr-bgp-ls-segment-routing-ext]
1173	Extended Administrative Group (TEMPORARY - registered 2018-04-09, expires 2019-04-09)	22/14	[draft-ietf-idr-eag-distribution][RFC7308]
1174-65535	Unassigned

Border Gateway Protocol - Link State (BGP-LS) Parameters

BGP-LS NLRI-Types

BGP-LS Protocol-IDs

BGP-LS Well-Known Instance-IDs

BGP-LS Node Descriptor, Link Descriptor, Prefix Descriptor, and Attribute TLVs