Value,Description,Reference
0,Reserved,[RFC4940]
1,Router-LSA,[RFC2328]
2,Network-LSA,[RFC2328]
3,Summary-LSA (IP network),[RFC2328]
4,Summary-LSA (ASBR),[RFC2328]
5,AS-external-LSA,[RFC2328]
6,Group-membership-LSA,[RFC1584][RFC5110]
7,NSSA AS-external LSA,[RFC3101]
8,Reserved,
9,Link-scoped Opaque LSA,[RFC5250]
10,Area-scoped Opaque LSA,[RFC5250]
11,AS-scoped Opaque LSA,[RFC5250]
12-127,Unassigned,
128-255,Reserved,