Type,Name,Reference,Registration Date 0,Reserved,[RFC9015], 1,Association TLV,[RFC9015],2020-09-02 2,Hop TLV,[RFC9015],2020-09-02 3,SFT TLV,[RFC9015],2020-09-02 4,MPLS Swapping/Stacking,[RFC9015],2020-09-02 5,SFP Traversal With MPLS,[RFC9015],2020-09-02 6-65534,Unassigned,, 65535,Reserved,[RFC9015],