| 包类型 | Top-Level TLV | Sub-TLV | Sub-Sub-TLV | 
| IIH |  |  |  | 
|  | 1 Area Addresses |  |  | 
|  | 6  IIS Neighbors |  |  | 
|  | 7 Instance Identifier |  |  | 
|  | 8  Padding |  |  | 
|  | 10 Authentication |  |  | 
|  |  | 1 Cleartext Password |  | 
|  |  | 2 ISO 10589 Reserved |  | 
|  |  | 3 Cryptographic Authentication (CRYPTO_AUTH) |  | 
|  |  | 54 HMAC-MD5 Authentication |  | 
|  |  | 255 Routing Domain private authentication method |  | 
|  | 11 ESN TLV |  |  | 
|  | 12 Opt. Checksum |  |  | 
|  | 15 Router-Fingerprint |  |  | 
|  | 16 Reverse Metric |  |  | 
|  |  | 18 Traffic Engineering Metric |  | 
|  | 19 IS-IS Flooding Request TLV |  |  | 
|  | 21 Flooding Parameters TLV |  |  | 
|  | 42 DECnet Phase IV |  |  | 
|  | 129 Prot. Supported |  |  | 
|  | 132 IP Intf. Address |  |  | 
|  | 143 MT-Port-Cap-TLV |  |  | 
|  |  | 1 VLAN-FLAGs |  | 
|  |  | 2 Enabled-VLANs |  | 
|  |  | 3 AppointedFwrdrs |  | 
|  |  | 4 SPB-MCID |  | 
|  |  | 5 SPB-Digest |  | 
|  |  | 6 SPB-B-VID |  | 
|  |  | 7 PORT-TRILL-VER |  | 
|  |  | 8 VLANs-Appointed |  | 
|  | 145 TRILL Neighbor TLV |  |  | 
|  | 148 BFD-Enabled TLV |  |  | 
|  | 161 Flood Reflection |  |  | 
|  | 211 Restart TLV |  |  | 
|  | 229 M-Topologies |  |  | 
|  | 232 IPv6 Intf. Addr. |  |  | 
|  | 233 IPv6 Global Interface Address TLV |  |  | 
|  | 240 P2P 3-Way Adj. State |  |  | 
|  | 243 Scope Flooding Support |  |  | 
| LSP |  |  |  | 
|  | 1 Area Addresses |  |  | 
|  | 2 IIS Neighbors |  |  | 
|  | 3 ES Neighbors |  |  | 
|  | 4 Part. DIS |  |  | 
|  | 5 Prefix Neighbors |  |  | 
|  | 7 Instance Identifier |  |  | 
|  | 10 Authentication |  |  | 
|  | 14 LSPBufferSize |  |  | 
|  | 15 Router-Fingerprint |  |  | 
|  | 17 IS-IS Area Node IDs TLV |  |  | 
|  | 18 IS-IS Flooding Path TLV |  |  | 
|  | 20 Area Proxy |  |  | 
|  | 22 Extended IS reachability |  |  | 
|  |  | 3 Administrative group (color) |  | 
|  |  | 4 Link Local/Remote Identifiers |  | 
|  |  | 6 IPv4 interface address |  | 
|  |  | 8 IPv4 neighbor address |  | 
|  |  | 9 Maximum link bandwidth |  | 
|  |  | 10 Maximum reservable link bandwidth |  | 
|  |  | 11 Unreserved bandwidth |  | 
|  |  | 12 IPv6 Interface Address |  | 
|  |  | 13 IPv6 Neighbor Address |  | 
|  |  | 14 Extended Administrative Group |  | 
|  |  | 15 Link MSD |  | 
|  |  | 16 Application-Specific Link Attributes |  | 
|  |  |  | 3 Administrative group (color) | 
|  |  |  | 9 Maximum link bandwidth | 
|  |  |  | 10 Maximum reservable link bandwidth | 
|  |  |  | 11 Unreserved bandwidth | 
|  |  |  | 14 Extended Administrative Group | 
|  |  |  | 18 TE Default Metric | 
|  |  |  | 33 Unidirectional Link Delay | 
|  |  |  | 34 Min/Max Unidirectional Link Delay | 
|  |  |  | 35 Unidirectional Delay Variation | 
|  |  |  | 36 Unidirectional Link Loss | 
|  |  |  | 37 Unidirectional Residual Bandwidth | 
|  |  |  | 38 Unidirectional Available Bandwidth | 
|  |  |  | 39 Unidirectional Utilized Bandwidth | 
|  |  | 18 TE Default metric |  | 
|  |  | 19 Link-attributes |  | 
|  |  |  | 0x1 Local Protection Available | 
|  |  |  | 0x2 Link Excluded from Local Protection | 
|  |  |  | 0x4 Local Edge Enabled for Flooding (LEEF) | 
|  |  | 20 Link Protection Type |  | 
|  |  | 21 Interface Switching Capability Descriptor |  | 
|  |  | 22 Bandwidth Constraints |  | 
|  |  | 23 Unconstrained TE LSP Count (sub-)TLV |  | 
|  |  | 27 Interface Adjustment Capability Descriptor (IACD) |  | 
|  |  | 28 MTU |  | 
|  |  | 29 SPB-Metric |  | 
|  |  | 30 SPB-A-OALG |  | 
|  |  | 31 Adjacency Segment Identifier |  | 
|  |  | 32 LAN Adjacency Segment Identifier |  | 
|  |  | 33 Unidirectional Link Delay |  | 
|  |  | 34 Min/Max Unidirectional Link Delay |  | 
|  |  | 35 Unidirectional Delay Variation |  | 
|  |  | 36 Unidirectional Link Loss |  | 
|  |  | 37 Unidirectional Residual Bandwidth |  | 
|  |  | 38 Unidirectional Available Bandwidth |  | 
|  |  | 39 Unidirectional Utilized Bandwidth |  | 
|  |  | 40 RTM Capability |  | 
|  |  | 43 SRv6 End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 44 SRv6 LAN End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 161 Flood Reflector Adjacency |  | 
|  | 23 IS Neighbor Attribute |  |  | 
|  |  | 3 Administrative group (color) |  | 
|  |  | 4 Link Local/Remote Identifiers |  | 
|  |  | 6 IPv4 interface address |  | 
|  |  | 8 IPv4 neighbor address |  | 
|  |  | 9 Maximum link bandwidth |  | 
|  |  | 10 Maximum reservable link bandwidth |  | 
|  |  | 11 Unreserved bandwidth |  | 
|  |  | 12 IPv6 Interface Address |  | 
|  |  | 13 IPv6 Neighbor Address |  | 
|  |  | 14 Extended Administrative Group |  | 
|  |  | 15 Link MSD |  | 
|  |  | 16 Application-Specific Link Attributes |  | 
|  |  |  | 3 Administrative group (color) | 
|  |  |  | 9 Maximum link bandwidth | 
|  |  |  | 10 Maximum reservable link bandwidth | 
|  |  |  | 11 Unreserved bandwidth | 
|  |  |  | 14 Extended Administrative Group | 
|  |  |  | 18 TE Default Metric | 
|  |  |  | 33 Unidirectional Link Delay | 
|  |  |  | 34 Min/Max Unidirectional Link Delay | 
|  |  |  | 35 Unidirectional Delay Variation | 
|  |  |  | 36 Unidirectional Link Loss | 
|  |  |  | 37 Unidirectional Residual Bandwidth | 
|  |  |  | 38 Unidirectional Available Bandwidth | 
|  |  |  | 39 Unidirectional Utilized Bandwidth | 
|  |  | 18 TE Default metric |  | 
|  |  | 19 Link-attributes |  | 
|  |  | 20 Link Protection Type |  | 
|  |  | 21 Interface Switching Capability Descriptor |  | 
|  |  | 22 Bandwidth Constraints |  | 
|  |  | 23 Unconstrained TE LSP Count (sub-)TLV |  | 
|  |  | 27 Interface Adjustment Capability Descriptor (IACD) |  | 
|  |  | 28 MTU |  | 
|  |  | 29 SPB-Metric |  | 
|  |  | 30 SPB-A-OALG |  | 
|  |  | 31 Adjacency Segment Identifier |  | 
|  |  | 32 LAN Adjacency Segment Identifier |  | 
|  |  | 33 Unidirectional Link Delay |  | 
|  |  | 34 Min/Max Unidirectional Link Delay |  | 
|  |  | 35 Unidirectional Delay Variation |  | 
|  |  | 36 Unidirectional Link Loss |  | 
|  |  | 37 Unidirectional Residual Bandwidth |  | 
|  |  | 38 Unidirectional Available Bandwidth |  | 
|  |  | 39 Unidirectional Utilized Bandwidth |  | 
|  |  | 40 RTM Capability |  | 
|  |  | 43 SRv6 End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 44 SRv6 LAN End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 161 Flood Reflector Adjacency |  | 
|  | 24 IS Alias ID |  |  | 
|  | 25 L2 Bundle Member Attributes |  |  | 
|  |  | 3 Administrative group (color) |  | 
|  |  | 4 Link Local/Remote Identifiers |  | 
|  |  | 6 IPv4 interface address |  | 
|  |  | 8 IPv4 neighbor address |  | 
|  |  | 9 Maximum link bandwidth |  | 
|  |  | 10 Maximum reservable link bandwidth |  | 
|  |  | 11 Unreserved bandwidth |  | 
|  |  | 12 IPv6 Interface Address |  | 
|  |  | 13 IPv6 Neighbor Address |  | 
|  |  | 14 Extended Administrative Group |  | 
|  |  | 15 Link MSD |  | 
|  |  | 16 Application-Specific Link Attributes |  | 
|  |  |  | 3 Administrative group (color) | 
|  |  |  | 9 Maximum link bandwidth | 
|  |  |  | 10 Maximum reservable link bandwidth | 
|  |  |  | 11 Unreserved bandwidth | 
|  |  |  | 14 Extended Administrative Group | 
|  |  |  | 18 TE Default Metric | 
|  |  |  | 33 Unidirectional Link Delay | 
|  |  |  | 34 Min/Max Unidirectional Link Delay | 
|  |  |  | 35 Unidirectional Delay Variation | 
|  |  |  | 36 Unidirectional Link Loss | 
|  |  |  | 37 Unidirectional Residual Bandwidth | 
|  |  |  | 38 Unidirectional Available Bandwidth | 
|  |  |  | 39 Unidirectional Utilized Bandwidth | 
|  |  | 18 TE Default metric |  | 
|  |  | 19 Link-attributes |  | 
|  |  | 20 Link Protection Type |  | 
|  |  | 21 Interface Switching Capability Descriptor |  | 
|  |  | 22 Bandwidth Constraints |  | 
|  |  | 23 Unconstrained TE LSP Count (sub-)TLV |  | 
|  |  | 27 Interface Adjustment Capability Descriptor (IACD) |  | 
|  |  | 29 SPB-Metric |  | 
|  |  | 30 SPB-A-OALG |  | 
|  |  | 33 Unidirectional Link Delay |  | 
|  |  | 34 Min/Max Unidirectional Link Delay |  | 
|  |  | 35 Unidirectional Delay Variation |  | 
|  |  | 36 Unidirectional Link Loss |  | 
|  |  | 37 Unidirectional Residual Bandwidth |  | 
|  |  | 38 Unidirectional Available Bandwidth |  | 
|  |  | 39 Unidirectional Utilized Bandwidth |  | 
|  |  | 41 L2 Bundle Member Adj-SID |  | 
|  |  | 42 L2 Bundle Member LAN Adj-SID |  | 
|  |  | 43 SRv6 End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 44 SRv6 LAN End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  | 27 SRv6 Locator |  |  | 
|  |  | 1 32-bit Administrative Tag Sub-TLV |  | 
|  |  | 2 64-bit Administrative Tag Sub-TLV |  | 
|  |  | 4 Prefix Attribute Flags |  | 
|  |  |  | 0 External Prefix Flag (X-flag) | 
|  |  |  | 1 Re-advertisement Flag (R-flag) | 
|  |  |  | 2 Node Flag (N-flag) | 
|  |  |  | 3 ELC Flag (E-flag) | 
|  |  |  | 4 Anycast Flag (A-flag) | 
|  |  | 5 SRv6 End SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  | 11 IPv4 Source Router ID |  | 
|  |  | 12 IPv6 Source Router ID |  | 
|  |  | 0 D-flag |  | 
|  | 28 Zone ID |  |  | 
|  | 66 Lucent Proprietary |  |  | 
|  | 126 IPv4 Algorithm Prefix Reachability TLV |  |  | 
|  | 127 IPv6 Algorithm Prefix Reachability TLV |  |  | 
|  | 128 IP Int. Reach |  |  | 
|  | 129 Prot. Supported |  |  | 
|  | 130 IP Ext. Address |  |  | 
|  | 131 IDRPI |  |  | 
|  | 132  IP Intf. Address |  |  | 
|  | 134 Traffic Engineering router ID |  |  | 
|  | 135 Extended IP reachability |  |  | 
|  |  | 1 32-bit Administrative Tag Sub-TLV |  | 
|  |  | 2 64-bit Administrative Tag Sub-TLV |  | 
|  |  | 3 Prefix Segment Identifier |  | 
|  |  | 4 Prefix Attribute Flags |  | 
|  |  |  | 0 External Prefix Flag (X-flag) | 
|  |  |  | 1 Re-advertisement Flag (R-flag) | 
|  |  |  | 2 Node Flag (N-flag) | 
|  |  |  | 3 ELC Flag (E-flag) | 
|  |  |  | 4 Anycast Flag (A-flag) | 
|  |  | 6 Flex-Algorithm Prefix Metric |  | 
|  |  | 11 IPv4 Source Router ID |  | 
|  |  | 12 IPv6 Source Router ID |  | 
|  |  | 32 BIER Info |  | 
|  |  |  | 1 BIER MPLS Encapsulation | 
|  | 137 Dynamic Name |  |  | 
|  | 138 GMPLS-SRLG |  |  | 
|  | 139 IPv6 SRLG |  |  | 
|  | 140 IPv6 TE Router ID |  |  | 
|  | 141 inter-AS reachability information |  |  | 
|  |  | 3 Administrative group (color) |  | 
|  |  | 4 Link Local/Remote Identifiers |  | 
|  |  | 6 IPv4 interface address |  | 
|  |  | 8 IPv4 neighbor address |  | 
|  |  | 9 Maximum link bandwidth |  | 
|  |  | 10 Maximum reservable link bandwidth |  | 
|  |  | 11 Unreserved bandwidth |  | 
|  |  | 12 IPv6 Interface Address |  | 
|  |  | 13 IPv6 Neighbor Address |  | 
|  |  | 14 Extended Administrative Group |  | 
|  |  | 15 Link MSD |  | 
|  |  | 16 Application-Specific Link Attributes |  | 
|  |  |  | 3 Administrative group (color) | 
|  |  |  | 9 Maximum link bandwidth | 
|  |  |  | 10 Maximum reservable link bandwidth | 
|  |  |  | 11 Unreserved bandwidth | 
|  |  |  | 14 Extended Administrative Group | 
|  |  |  | 18 TE Default Metric | 
|  |  |  | 33 Unidirectional Link Delay | 
|  |  |  | 34 Min/Max Unidirectional Link Delay | 
|  |  |  | 35 Unidirectional Delay Variation | 
|  |  |  | 36 Unidirectional Link Loss | 
|  |  |  | 37 Unidirectional Residual Bandwidth | 
|  |  |  | 38 Unidirectional Available Bandwidth | 
|  |  |  | 39 Unidirectional Utilized Bandwidth | 
|  |  | 18 TE Default metric |  | 
|  |  | 19 Link-attributes |  | 
|  |  | 20 Link Protection Type |  | 
|  |  | 21 Interface Switching Capability Descriptor |  | 
|  |  | 22 Bandwidth Constraints |  | 
|  |  | 23 Unconstrained TE LSP Count (sub-)TLV |  | 
|  |  | 24 remote AS number |  | 
|  |  | 25 IPv4 remote ASBR Identifier |  | 
|  |  | 26 IPv6 remote ASBR Identifier |  | 
|  |  | 27 Interface Adjustment Capability Descriptor (IACD) |  | 
|  |  | 31 Adjacency Segment Identifier |  | 
|  |  | 32 LAN Adjacency Segment Identifier |  | 
|  |  | 33 Unidirectional Link Delay |  | 
|  |  | 34 Min/Max Unidirectional Link Delay |  | 
|  |  | 35 Unidirectional Delay Variation |  | 
|  |  | 36 Unidirectional Link Loss |  | 
|  |  | 37 Unidirectional Residual Bandwidth |  | 
|  |  | 38 Unidirectional Available Bandwidth |  | 
|  |  | 39 Unidirectional Utilized Bandwidth |  | 
|  |  | 43 SRv6 End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 44 SRv6 LAN End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 161 Flood Reflector Adjacency |  | 
|  | 142 GADDR-TLV |  |  | 
|  |  | 1 GMAC-ADDR |  | 
|  |  | 2 GIP-ADDR |  | 
|  |  | 3 GIPV6-ADDR |  | 
|  |  | 4 GLMAC-ADDR |  | 
|  |  | 5 GLIP-ADDR |  | 
|  |  | 6 GLIPV6-ADDR |  | 
|  | 144 MT-Capability TLV |  |  | 
|  |  | 1 SPB-Inst |  | 
|  |  | 2 SPB-I-OALG |  | 
|  |  | 3 SPBM-SI |  | 
|  |  | 4 SPBV-ADDR |  | 
|  |  | 6 NICKNAME |  | 
|  |  | 7 TREES |  | 
|  |  | 8 TREE-RT-IDs |  | 
|  |  | 9 TREE-USE-IDs |  | 
|  |  | 10 INT-VLAN |  | 
|  |  | 13 TRILL-VER |  | 
|  |  | 14 VLAN-GROUP |  | 
|  |  | 15 INT-LABEL |  | 
|  |  | 16 RBCHANNELS |  | 
|  |  | 17 AFFINITY |  | 
|  |  | 18 LABEL-GROUP |  | 
|  |  | 21 Topology sub-TLV |  | 
|  |  | 22 Hop sub-TLV |  | 
|  |  | 23 Bandwidth Constraint sub-TLV |  | 
|  |  | 24 Bandwidth Assignment sub-TLV |  | 
|  |  | 25 Timestamp sub-TLV |  | 
|  | 147 MAC-RI TLV |  |  | 
|  | 149 Segment Identifier / Label Binding |  |  | 
|  |  | 1 SID/Label |  | 
|  |  | 3 Prefix Segment Identifier |  | 
|  | 150 Multi-Topology Segment Identifier / Label Binding |  |  | 
|  |  | 1 SID/Label |  | 
|  |  | 3 Prefix Segment Identifier |  | 
|  | 176 Nortel Proprietary |  |  | 
|  | 177 Nortel Proprietary |  |  | 
|  | 222 MT-ISN |  |  | 
|  |  | 3 Administrative group (color) |  | 
|  |  | 4 Link Local/Remote Identifiers |  | 
|  |  | 6 IPv4 interface address |  | 
|  |  | 8 IPv4 neighbor address |  | 
|  |  | 9 Maximum link bandwidth |  | 
|  |  | 10 Maximum reservable link bandwidth |  | 
|  |  | 11 Unreserved bandwidth |  | 
|  |  | 12 IPv6 Interface Address |  | 
|  |  | 13 IPv6 Neighbor Address |  | 
|  |  | 14 Extended Administrative Group |  | 
|  |  | 15 Link MSD |  | 
|  |  | 16 Application-Specific Link Attributes |  | 
|  |  |  | 3 Administrative group (color) | 
|  |  |  | 9 Maximum link bandwidth | 
|  |  |  | 10 Maximum reservable link bandwidth | 
|  |  |  | 11 Unreserved bandwidth | 
|  |  |  | 14 Extended Administrative Group | 
|  |  |  | 18 TE Default Metric | 
|  |  |  | 33 Unidirectional Link Delay | 
|  |  |  | 34 Min/Max Unidirectional Link Delay | 
|  |  |  | 35 Unidirectional Delay Variation | 
|  |  |  | 36 Unidirectional Link Loss | 
|  |  |  | 37 Unidirectional Residual Bandwidth | 
|  |  |  | 38 Unidirectional Available Bandwidth | 
|  |  |  | 39 Unidirectional Utilized Bandwidth | 
|  |  | 18 TE Default metric |  | 
|  |  | 19 Link-attributes |  | 
|  |  | 20 Link Protection Type |  | 
|  |  | 21 Interface Switching Capability Descriptor |  | 
|  |  | 22 Bandwidth Constraints |  | 
|  |  | 23 Unconstrained TE LSP Count (sub-)TLV |  | 
|  |  | 27 Interface Adjustment Capability Descriptor (IACD) |  | 
|  |  | 28 MTU |  | 
|  |  | 29 SPB-Metric |  | 
|  |  | 30 SPB-A-OALG |  | 
|  |  | 31 Adjacency Segment Identifier |  | 
|  |  | 32 LAN Adjacency Segment Identifier |  | 
|  |  | 33 Unidirectional Link Delay |  | 
|  |  | 34 Min/Max Unidirectional Link Delay |  | 
|  |  | 35 Unidirectional Delay Variation |  | 
|  |  | 36 Unidirectional Link Loss |  | 
|  |  | 37 Unidirectional Residual Bandwidth |  | 
|  |  | 38 Unidirectional Available Bandwidth |  | 
|  |  | 39 Unidirectional Utilized Bandwidth |  | 
|  |  | 40 RTM Capability |  | 
|  |  | 43 SRv6 End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 44 SRv6 LAN End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 161 Flood Reflector Adjacency |  | 
|  | 223 MT IS Neighbor Attribute |  |  | 
|  |  | 3 Administrative group (color) |  | 
|  |  | 4 Link Local/Remote Identifiers |  | 
|  |  | 6 IPv4 interface address |  | 
|  |  | 8 IPv4 neighbor address |  | 
|  |  | 9 Maximum link bandwidth |  | 
|  |  | 10 Maximum reservable link bandwidth |  | 
|  |  | 11 Unreserved bandwidth |  | 
|  |  | 12 IPv6 Interface Address |  | 
|  |  | 13 IPv6 Neighbor Address |  | 
|  |  | 14 Extended Administrative Group |  | 
|  |  | 15 Link MSD |  | 
|  |  | 16 Application-Specific Link Attributes |  | 
|  |  |  | 3 Administrative group (color) | 
|  |  |  | 9 Maximum link bandwidth | 
|  |  |  | 10 Maximum reservable link bandwidth | 
|  |  |  | 11 Unreserved bandwidth | 
|  |  |  | 14 Extended Administrative Group | 
|  |  |  | 18 TE Default Metric | 
|  |  |  | 33 Unidirectional Link Delay | 
|  |  |  | 34 Min/Max Unidirectional Link Delay | 
|  |  |  | 35 Unidirectional Delay Variation | 
|  |  |  | 36 Unidirectional Link Loss | 
|  |  |  | 37 Unidirectional Residual Bandwidth | 
|  |  |  | 38 Unidirectional Available Bandwidth | 
|  |  |  | 39 Unidirectional Utilized Bandwidth | 
|  |  | 18 TE Default metric |  | 
|  |  | 19 Link-attributes |  | 
|  |  | 20 Link Protection Type |  | 
|  |  | 21 Interface Switching Capability Descriptor |  | 
|  |  | 22 Bandwidth Constraints |  | 
|  |  | 23 Unconstrained TE LSP Count (sub-)TLV |  | 
|  |  | 27 Interface Adjustment Capability Descriptor (IACD) |  | 
|  |  | 28 MTU |  | 
|  |  | 29 SPB-Metric |  | 
|  |  | 30 SPB-A-OALG |  | 
|  |  | 31 Adjacency Segment Identifier |  | 
|  |  | 32 LAN Adjacency Segment Identifier |  | 
|  |  | 33 Unidirectional Link Delay |  | 
|  |  | 34 Min/Max Unidirectional Link Delay |  | 
|  |  | 35 Unidirectional Delay Variation |  | 
|  |  | 36 Unidirectional Link Loss |  | 
|  |  | 37 Unidirectional Residual Bandwidth |  | 
|  |  | 38 Unidirectional Available Bandwidth |  | 
|  |  | 39 Unidirectional Utilized Bandwidth |  | 
|  |  | 40 RTM Capability |  | 
|  |  | 43 SRv6 End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 44 SRv6 LAN End.X SID |  | 
|  |  |  | 1 SRv6 SID Structure | 
|  |  |  | 0 B-flag | 
|  |  |  | 1 S-flag | 
|  |  |  | 2 P-flag | 
|  |  | 161 Flood Reflector Adjacency |  | 
|  | 229 M-Topologies |  |  | 
|  | 232 IPv6 Intf. Addr. |  |  | 
|  | 235 MT IP. Reach |  |  | 
|  |  | 1 32-bit Administrative Tag Sub-TLV |  | 
|  |  | 2 64-bit Administrative Tag Sub-TLV |  | 
|  |  | 3 Prefix Segment Identifier |  | 
|  |  | 4 Prefix Attribute Flags |  | 
|  |  |  | 0 External Prefix Flag (X-flag) | 
|  |  |  | 1 Re-advertisement Flag (R-flag) | 
|  |  |  | 2 Node Flag (N-flag) | 
|  |  |  | 3 ELC Flag (E-flag) | 
|  |  |  | 4 Anycast Flag (A-flag) | 
|  |  | 6 Flex-Algorithm Prefix Metric |  | 
|  |  | 11 IPv4 Source Router ID |  | 
|  |  | 12 IPv6 Source Router ID |  | 
|  |  | 32 BIER Info |  | 
|  | 236 IPv6 IP. Reach |  |  | 
|  |  | 1 32-bit Administrative Tag Sub-TLV |  | 
|  |  | 2 64-bit Administrative Tag Sub-TLV |  | 
|  |  | 3 Prefix Segment Identifier |  | 
|  |  | 4 Prefix Attribute Flags |  | 
|  |  |  | 0 External Prefix Flag (X-flag) | 
|  |  |  | 1 Re-advertisement Flag (R-flag) | 
|  |  |  | 2 Node Flag (N-flag) | 
|  |  |  | 3 ELC Flag (E-flag) | 
|  |  |  | 4 Anycast Flag (A-flag) | 
|  |  | 6 Flex-Algorithm Prefix Metric |  | 
|  |  | 11 IPv4 Source Router ID |  | 
|  |  | 12 IPv6 Source Router ID |  | 
|  |  | 32 BIER Info |  | 
|  | 237 MT IPv6 IP. Reach |  |  | 
|  |  | 1 32-bit Administrative Tag Sub-TLV |  | 
|  |  | 2 64-bit Administrative Tag Sub-TLV |  | 
|  |  | 3 Prefix Segment Identifier |  | 
|  |  | 4 Prefix Attribute Flags |  | 
|  |  |  | 0 External Prefix Flag (X-flag) | 
|  |  |  | 1 Re-advertisement Flag (R-flag) | 
|  |  |  | 2 Node Flag (N-flag) | 
|  |  |  | 3 ELC Flag (E-flag) | 
|  |  |  | 4 Anycast Flag (A-flag) | 
|  |  | 6 Flex-Algorithm Prefix Metric |  | 
|  |  | 11 IPv4 Source Router ID |  | 
|  |  | 12 IPv6 Source Router ID |  | 
|  |  | 32 BIER Info |  | 
|  | 238 Application-Specific SRLG |  |  | 
|  |  | 4 Link Local/Remote Identifiers |  | 
|  |  | 6 IPv4 interface address |  | 
|  |  | 8 IPv4 neighbor address |  | 
|  |  | 12 IPv6 Interface Address |  | 
|  |  | 13 IPv6 Neighbor Address |  | 
|  | 242 IS-IS Router CAPABILITY TLV |  |  | 
|  |  | 1 TE Node Capability Descriptor |  | 
|  |  | 2 Segment Routing Capability |  | 
|  |  | 3 TE-MESH-GROUP TLV (IPv4) |  | 
|  |  | 4 TE-MESH-GROUP TLV (IPv6) |  | 
|  |  | 5 PCED sub-TLV |  | 
|  |  | 6 NICKNAME |  | 
|  |  | 7 TREES |  | 
|  |  | 8 TREE-RT-IDs |  | 
|  |  | 9 TREE-USE-IDs |  | 
|  |  | 10 INT-VLAN |  | 
|  |  | 11 IPv4 TE Router ID |  | 
|  |  | 12 IPv6 TE Router ID |  | 
|  |  | 13 TRILL-VER |  | 
|  |  | 14 VLAN-GROUP |  | 
|  |  | 15 INT-LABEL |  | 
|  |  | 16 RBCHANNELS |  | 
|  |  | 17 AFFINITY |  | 
|  |  | 18 LABEL-GROUP |  | 
|  |  | 19 Segment Routing Algorithm |  | 
|  |  | 20 S-BFD Discriminators |  | 
|  |  | 21 Node-Admin-Tag |  | 
|  |  | 22 Segment Routing Local Block (SRLB) |  | 
|  |  | 23 Node MSD |  | 
|  |  | 24 Segment Routing Mapping Server Preference (SRMS Preference) |  | 
|  |  | 25 SRv6 Capabilities |  | 
|  |  |  | 1 O-flag | 
|  |  | 26 Flexible Algorithm Definition |  | 
|  |  | 27 IS-IS Area Leader Sub-TLV |  | 
|  |  | 28 IS-IS Dynamic Flooding Sub-TLV |  | 
|  |  | 29 IP Algorithm Sub-TLV |  | 
|  |  | 161 Flood Reflection Discovery |  | 
|  | 251 Generic Information |  |  | 
|  |  | 1 TRILL |  | 
| SNP |  |  |  | 
|  | 7 Instance Identifier |  |  | 
|  | 9  LSP Entries |  |  | 
|  | 10 Authentication |  |  | 
|  | 11 ESN TLV |  |  | 
|  | 12 Opt. Checksum |  |  | 
|  | 21 Flooding Parameters TLV |  |  | 
|  | 131 IDRPI |  |  | 
| Purge |  |  |  | 
|  | 7 Instance Identifier |  |  | 
|  | 10 Authentication |  |  | 
|  | 13 Purge Originator Identification |  |  | 
|  | 15 Router-Fingerprint |  |  | 
|  | 137 Dynamic Name |  |  |