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Registries included below
Expert Review
David B. Johnson, David A. Maltz and Yih-Chun Hu
DSR Option Types are 8-bit values, structured as three subfields:
Unk: If set, SHOULD respond to such a DSR option with a Route Error
of type OPTION_NOT_SUPPORTED
Act: a two-bit field indicating how such a node that does not
support this Option Type MUST process the packet:
00 = Ignore Option
01 = Remove Option
10 = Mark Option
11 = Drop Packet
| Value | Unk | Act | Number | Name | Reference |
|---|---|---|---|---|---|
| 0 | 0 | 00 | 0 | PadN option | [RFC4728] |
| 1 | 0 | 00 | 1 | Route Request | [RFC4728] |
| 2 | 0 | 00 | 2 | Route Reply | [RFC4728] |
| 3 | 0 | 00 | 3 | Route Error option | [RFC4728] |
| 4-31 | Unassigned | ||||
| 32 | 0 | 01 | 0 | Acknowledgement option | [RFC4728] |
| 33-95 | Unassigned | ||||
| 96 | 0 | 11 | 0 | DSR Source Route option | [RFC4728] |
| 97-127 | Unassigned | ||||
| 128 | 1 | 00 | 0 | Timeout option | [RFC4728] |
| 129 | 1 | 00 | 1 | Destination and Flow ID option | [RFC4728] |
| 130-159 | Unassigned | ||||
| 160 | 1 | 01 | 0 | Acknowledgement Request option | [RFC4728] |
| 161-223 | Unassigned | ||||
| 224 | 1 | 11 | 0 | Pad1 option | [RFC4728] |
Expert Review
David B. Johnson, David A. Maltz and Yih-Chun Hu
| Value | Description | Reference |
|---|---|---|
| 0 | Reserved | |
| 1 | NODE_UNREACHABLE | [RFC4728] |
| 2 | FLOW_STATE_NOT_SUPPORTED | [RFC4728] |
| 3 | OPTION_NOT_SUPPORTED | [RFC4728] |
| 4-128 | Unassigned | |
| 129 | UNKNOWN_FLOW | [RFC4728] |
| 130 | DEFAULT_FLOW_UNKNOWN | [RFC4728] |