Value,Name,Min. Schema Version,Max. Schema Version,Comment,Reference
0,Reserved,8.0,All Versions,,[RFC9692]
1,major_version,8.0,,Major version of protocol.,[RFC9692]
2,minor_version,8.0,,Minor version of protocol.,[RFC9692]
3,sender,8.0,,Node sending the packet; in case of LIE/TIRE/TIDE also the originator of it.,[RFC9692]
4,level,8.0,,"Level of the node sending the packet, required on everything except LIEs. Lack of presence on LIEs indicates undefined_level and is used in ZTP procedures.",[RFC9692]
5-65535,Unassigned,,,,