References: RFC 9026
| Value | Defined by | Name | Description | References |
|---|---|---|---|---|
| 0 | IANA | Reserved | - | RFC 9026 |
| 1 | IANA | P2MP BFD Session | - | RFC 9026 |
| 176 | IANA | S-BFD for SRv6 Locator Session | - | - |
| 177 | IANA | S-BFD for Common Session | - | - |
| 250 - 254 | IANA | Experimental Use | - | RFC 9026 |
| 255 | IANA | Reserved | - | RFC 9026 |