Type,Description,Reference
0,Reserved,[RFC7487]
1,BFD Configuration Sub-TLV,[RFC7487]
2,Performance Monitoring Sub-TLV,[RFC7487]
3,MPLS OAM FMS Sub-TLV,[RFC7487]
4-65532,Unassigned,
65533-65534,Reserved for Experimental Use,[RFC7487]
65535,Reserved,[RFC7487]