Open Shortest Path First (OSPF) Parameters
- Created
- 2015-11-03
- Last Updated
- 2024-10-25
- Available Formats
-
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Registries included below
- OSPF Router Information (RI) TLVs
- OSPF Router Informational Capability Bits
- OSPF Router Functional Capability Bits
- OSPF Tunnel Parameter Sub-TLVs
- OSPF Flex-Algorithm Prefix Metric Bits
- OSPF Flexible Algorithm Definition TLV Sub-TLVs
- OSPF Dynamic Flooding LSA TLVs
- OSPF Link Attributes Sub-TLV Bit Values
OSPF Router Information (RI) TLVs
- Reference
- [RFC7770]
- Available Formats
-
CSV
| Range | Registration Procedures | Note |
|---|---|---|
| 1-32767 | IETF Review | |
| 32768-32777 | Experimentation | IANA does not assign |
| 32778-65535 | Reserved | IANA does not assign |
| Value | TLV Name | Reference |
|---|---|---|
| 0 | Reserved | [RFC7770] |
| 1 | Router Informational Capabilities | [RFC7770] |
| 2 | Router Functional Capabilities | [RFC7770] |
| 3 | TE-MESH-GROUP TLV (IPv4) | [RFC4972] |
| 4 | TE-MESH-GROUP TLV (IPv6) | [RFC4972] |
| 5 | TE Node Capability Descriptor | [RFC5073] |
| 6 | PCED | [RFC5088] |
| 7 | OSPF Dynamic Hostname | [RFC5642] |
| 8 | SR-Algorithm TLV | [RFC8665] |
| 9 | SID/Label Range TLV | [RFC8665] |
| 10 | Node Admin Tag TLV | [RFC7777] |
| 11 | S-BFD Discriminator | [RFC7884] |
| 12 | Node MSD | [RFC8476] |
| 13 | Tunnel Encapsulations | [RFC9013] |
| 14 | SR Local Block TLV | [RFC8665] |
| 15 | SRMS Preference TLV | [RFC8665] |
| 16 | Flexible Algorithm Definition (FAD) TLV | [RFC9350, Section 5.2] |
| 17 | OSPF Area Leader | [RFC-ietf-lsr-dynamic-flooding-18] |
| 18 | OSPF Dynamic Flooding | [RFC-ietf-lsr-dynamic-flooding-18] |
| 19 | Unassigned | |
| 20 | SRv6 Capabilities | [RFC9513, Section 2] |
| 21 | IP Algorithm | [RFC9502, Section 5.2] |
| 22-32767 | Unassigned | |
| 32768-32777 | Experimentation | [RFC7770] |
| 32778-65535 | Reserved | [RFC7770] |
OSPF Router Informational Capability Bits
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC7770]
- Available Formats
-
CSV
| Bit Number | Capability Name | Reference |
|---|---|---|
| 0 | OSPF graceful restart capable | [RFC3623] |
| 1 | OSPF graceful restart helper | [RFC3623] |
| 2 | OSPF Stub Router support | [RFC3137] |
| 3 | OSPF Traffic Engineering support | [RFC3630] |
| 4 | OSPF point-to-point over LAN | [RFC5309] |
| 5 | OSPF Experimental TE | [RFC4973] |
| 6 | Two-Part Metric support | [RFC8042] |
| 7 | OSPF Host Router | [RFC8770] |
| 8-31 | Unassigned |
OSPF Router Functional Capability Bits
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC7770]
- Available Formats
-
CSV
| Bit Number | Capability Name | Reference |
|---|---|---|
| 0-31 | Unassigned |
OSPF Tunnel Parameter Sub-TLVs
- Reference
- [RFC9013]
- Available Formats
-
CSV
| Range | Registration Procedures |
|---|---|
| 1-34999 | Standards Action |
| 35000-65499 | First Come First Served |
| Value | TLV Name | Reference |
|---|---|---|
| 0 | Reserved | [RFC9013] |
| 1 | Encapsulation | [RFC9013][draft-ietf-idr-tunnel-encaps] |
| 2 | Protocol Type | [RFC9013][draft-ietf-idr-tunnel-encaps] |
| 3 | Tunnel Egress Endpoint | [RFC9013][RFC Errata 6576] |
| 4 | Color | [RFC9013] |
| 5 | Load-Balancing Block | [RFC9013][RFC5640] |
| 6 | DS Field | [RFC9013][draft-ietf-idr-tunnel-encaps] |
| 7 | UDP Destination Port | [RFC9013][draft-ietf-idr-tunnel-encaps] |
| 8-65499 | Unassigned | |
| 65500-65534 | Experimental | [RFC9013] |
| 65535 | Reserved | [RFC9013] |
OSPF Flex-Algorithm Prefix Metric Bits
- Registration Procedure(s)
-
IETF Review
- Reference
- [RFC9350]
- Available Formats
-
CSV
| Bit Number | Description | Reference |
|---|---|---|
| 0 | E bit - External Type | [RFC9350, Section 9] |
| 1-7 | Unassigned |
OSPF Flexible Algorithm Definition TLV Sub-TLVs
- Registration Procedure(s)
-
IETF Review or IESG Approval
- Reference
- [RFC9350]
- Available Formats
-
CSV
| Bit Number | Description | Reference |
|---|---|---|
| 0 | Reserved | [RFC9350] |
| 1 | Flexible Algorithm Exclude Admin Group | [RFC9350, Section 7.1] |
| 2 | Flexible Algorithm Include-Any Admin Group | [RFC9350, Section 7.2] |
| 3 | Flexible Algorithm Include-All Admin Group | [RFC9350, Section 7.3] |
| 4 | Flexible Algorithm Definition Flags | [RFC9350, Section 7.4] |
| 5 | Flexible Algorithm Exclude SRLG | [RFC9350, Section 7.5] |
| 6 | OSPF Exclude Minimum Bandwidth (TEMPORARY - registered 2023-02-16, extension registered 2023-12-21, expires 2025-02-16) | [draft-ietf-lsr-flex-algo-bw-con-07, Section 3.2.1] |
| 7 | OSPF Exclude Maximum Delay (TEMPORARY - registered 2023-02-16, extension registered 2023-12-21, expires 2025-02-16) | [draft-ietf-lsr-flex-algo-bw-con-07, Section 3.2.2] |
| 8 | OSPF Reference Bandwidth (TEMPORARY - registered 2023-02-16, extension registered 2023-12-21, expires 2025-02-16) | [draft-ietf-lsr-flex-algo-bw-con-07, Section 4.1.4.1] |
| 9 | OSPF Threshold Metric (TEMPORARY - registered 2023-02-16, extension registered 2023-12-21, expires 2025-02-16) | [draft-ietf-lsr-flex-algo-bw-con-07, Section 4.1.4.2] |
| 10 | Flexible Algorithm Exclude Reverse Admin Group (TEMPORARY - registered 2023-12-21, expires 2024-12-21) | [draft-ietf-lsr-igp-flex-algo-reverse-affinity-01, Section 7] |
| 11 | Flexible Algorithm Include-Any Reverse Admin Group (TEMPORARY - registered 2023-12-21, expires 2024-12-21) | [draft-ietf-lsr-igp-flex-algo-reverse-affinity-01, Section 8] |
| 12 | Flexible Algorithm Include-All Reverse Admin Group (TEMPORARY - registered 2023-12-21, expires 2024-12-21) | [draft-ietf-lsr-igp-flex-algo-reverse-affinity-01, Section 9] |
| 13-32767 | Unassigned | |
| 32768-33023 | Reserved for Experimental Use | [RFC9350] |
| 33024-65535 | Reserved | [RFC9350] |
OSPF Dynamic Flooding LSA TLVs
- Registration Procedure(s)
-
IETF Review or IESG Approval
- Reference
- [RFC-ietf-lsr-dynamic-flooding-18]
- Available Formats
-
CSV
| Type | Description | Reference |
|---|---|---|
| 0 | Reserved | [RFC-ietf-lsr-dynamic-flooding-18] |
| 1 | OSPF Area Router IDs | [RFC-ietf-lsr-dynamic-flooding-18] |
| 2 | OSPF Flooding Path | [RFC-ietf-lsr-dynamic-flooding-18] |
| 3-32767 | Unassigned | |
| 32768-33023 | Reserved for Experimental Use | [RFC-ietf-lsr-dynamic-flooding-18] |
| 33024-65535 | Reserved | [RFC-ietf-lsr-dynamic-flooding-18] |
OSPF Link Attributes Sub-TLV Bit Values
- Registration Procedure(s)
-
IETF Review or IESG Approval
- Reference
- [RFC-ietf-lsr-dynamic-flooding-18]
- Note
-
The "L2BM" column indicates applicability to the L2 Bundle Member Attributes sub-TLV. The options for the "L2BM" column are: Y - This bit MAY appear in the L2 Bundle Member Attributes sub-TLV. N - This bit MUST NOT appear in the L2 Bundle Member Attributes sub-TLV. - Available Formats
-
CSV
| Bit Number | Description | L2 Bundle Member Attributes (L2BM) | Reference |
|---|---|---|---|
| 0 | Local Edge Enabled for Flooding (LEEF) | N | [RFC-ietf-lsr-dynamic-flooding-18] |