Value,Description,Reference
0,Reserved,[RFC8362]
1,Router-Link TLV,[RFC8362]
2,Attached-Routers TLV,[RFC8362]
3,Inter-Area-Prefix TLV,[RFC8362]
4,Inter-Area-Router TLV,[RFC8362]
5,External-Prefix TLV,[RFC8362]
6,Intra-Area-Prefix TLV,[RFC8362]
7,IPv6 Link-Local Address TLV,[RFC8362]
8,IPv4 Link-Local Address TLV,[RFC8362]
9,OSPFv3 Extended Prefix Range TLV,[RFC8666]
10-32767,Unassigned,
32768-33023,Reserved for Experimental Use,[RFC8362]
33024-45055,Unassigned,
45056-65535,Reserved,[RFC8362]