Interior Gateway Protocol (IGP) Parameters
- Created
- 2017-12-18
- Last Updated
- 2022-06-02
- Available Formats
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Registries included below
IGP Algorithm Types
- Registration Procedure(s)
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Standards Action
- Reference
- [RFC8665]
- Available Formats
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CSV
Value | Description | Reference |
---|---|---|
0 | Shortest Path First (SPF) algorithm based on link metric. This is the standard shortest path algorithm as computed by the IGP protocol. Consistent with the deployed practice for link-state protocols, Algorithm 0 permits any node to overwrite the SPF path with a different path based on its local policy. | [RFC8665] |
1 | Strict Shortest Path First (SPF) algorithm based on link metric. The algorithm is identical to Algorithm 0 but Algorithm 1 requires that all nodes along the path will honor the SPF routing decision. Local policy at the node claiming support for Algorithm 1 MUST NOT alter the SPF paths computed by Algorithm 1. | [RFC8665] |
2-127 | Unassigned | |
128-255 | Flexible Algorithms (TEMPORARY - registered 2018-06-06, extension registered 2022-06-02, expires 2023-06-06) | [draft-ietf-lsr-flex-algo-14] |
IGP MSD-Types
- Registration Procedure(s)
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Expert Review
- Expert(s)
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Uma Chunduri, Jeff Tantsura
- Reference
- [RFC8491]
- Available Formats
-
CSV
Value | Name | Reference |
---|---|---|
0 | Reserved | [RFC8491] |
1 | Base MPLS Imposition MSD | [RFC8491] |
2 | ERLD-MSD | [RFC9088] |
3-40 | Unassigned | |
41 | SRH Max SL | [RFC-ietf-lsr-isis-srv6-extensions-18] |
42 | SRH Max End Pop | [RFC-ietf-lsr-isis-srv6-extensions-18] |
43 | Unassigned | |
44 | SRH Max H.encaps | [RFC-ietf-lsr-isis-srv6-extensions-18] |
45 | SRH Max End D | [RFC-ietf-lsr-isis-srv6-extensions-18] |
46-250 | Unassigned | |
251-254 | Experimental Use | [RFC8491] |
255 | Reserved | [RFC8491] |
Link Attribute Application Identifiers
- Registration Procedure(s)
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Expert Review
- Expert(s)
-
Les Ginsberg, Chris Hopps
- Reference
- [RFC8919]
- Available Formats
-
CSV
Bit | Name | Reference |
---|---|---|
0 | RSVP-TE (R-bit) | [RFC8919] |
1 | Segment Routing Policy (S-bit) | [RFC8919] |
2 | Loop Free Alternate (F-bit) | [RFC8919] |
3-63 | Unassigned |