Bit Number,Capability Description,Reference
0,Projected Routes Support (D),[RFC-ietf-roll-dao-projection-40]
1,Root Proxies EDAR/EDAC (P),[RFC9010]
2,Enable Compression per RFC 8138 (T),[RFC9035]
3,RPI 0x23 enable,[RFC9008]
4,Authentication Enabled (A),[RFC6550]
5-7,Path Control Size (PCS),[RFC6550]