Bit,Description,Reference
Bit 0,V (VCCV) bit,[RFC5085]
Bit 1,S (Sequence) bit,[RFC4454]
Bit 2,B (Fragmentation) bit,[RFC4454]
Bit 3,E (Fragmentation) bit,[RFC4454]
Bit 4,T (Transport type) bit,[RFC4454]
Bit 5,G (EFCI) bit,[RFC4454]
Bit 6,C (CLP) bit,[RFC4454]
Bit 7,U (Command/Response) bit,[RFC4454]