References: RFC 9015
| Value | Defined by | Name | Description | References |
|---|---|---|---|---|
| 0 | IANA | Reserved | - | RFC 9015 |
| 1 | IANA | Association TLV | - | RFC 9015 |
| 2 | IANA | Hop TLV | - | RFC 9015 |
| 3 | IANA | SFT TLV | - | RFC 9015 |
| 4 | IANA | MPLS Swapping/Stacking | - | RFC 9015 |
| 5 | IANA | SFP Traversal With MPLS | - | RFC 9015 |
| 65535 | IANA | Reserved | - | RFC 9015 |