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Open Shortest Path First v2 (OSPFv2) Parameters
(last updated 2008-07-03)
Registries included below:
- OSPFv2 Options Registry
- OSPF Packet Type Registry
- OSPFv2 Link State Type Registry
- OSPFv2 Router LSA Link Type (Value 1)
- OSPF Router Information (RI) TLVs
- OSPF Router Informational Capability Bits
- OSPFv2 Router Properties Registry
- OSPFv2 Grace LSA Top Level TLV
- PCE Capability Flags
Registry Name: OSPFv2 Options Registry (8 bits)
Reference: [RFC4940]
Registration Procedures: Standards Action
Registry:
Value Description Reference
------ ---------------- ---------
0x01 MT-bit [RFC4915]
0x02 E-bit [RFC2328]
0x04 MC-bit [RFC1584][RFC5110]
0x08 N/P-bit [RFC3101]
0x10 Reserved
0x20 DC-bit [RFC1793]
0x40 O-bit [RFC5250]
0x80 DN-bit [RFC4576]
Registry Name: OSPF Packet Type (both v2 and v3)
Reference: [RFC2328][RC4940]
Range Registration Procedures
-------- -------------------------
1-127 Standards Action
128-255 Reserved
Registry:
Value Description Reference
------- ----------------------------- ---------
0 Reserved
1 Hello [RFC2328]
2 Database Description [RFC2328]
3 Link State Request [RFC2328]
4 Link State Update [RFC2328]
5 Link State Ack [RFC2328]
6-127 Unassigned
128-255 Reserved
Registry Name: OSPFv2 Link State (LS) Type
Reference: [RFC2328][RC4940]
Range Registration Procedures
-------- -------------------------
1-127 Standards Action
128-255 Reserved
Registry:
Value Description Reference
------- ------------------------------ ---------
0 Reserved [RFC4940]
1 Router-LSA [RFC2328]
2 Network-LSA [RFC2328]
3 Summary-LSA (IP network) [RFC2328]
4 Summary-LSA (ASBR) [RFC2328]
5 AS-external-LSA [RFC2328]
6 Group-membership-LSA [RFC1584][RFC5110]
7 NSSA AS-external LSA [RFC3101]
8 Reserved
9 Link-scoped Opaque LSA [RFC5250]
10 Area-scoped Opaque LSA [RFC5250]
11 AS-scoped Opaque LSA [RFC5250]
12-127 Unassigned
128-255 Reserved
Registry Name: OSPFv2 Router LSA Link Type (Value 1)
Reference: [RFC4940]
Range Registration Procedures
-------- -------------------------
1-127 Standards Action
128-255 Reserved
Registry:
Value Description Reference
------- --------------------------------------------- ---------
0 Reserved [RFC4940]
1 Point-to-Point connection to another router [RFC2328]
2 Transit Network [RFC2328]
3 Stub Network [RFC2328]
4 Virtual Link [RFC2328]
Registry Name: OSPF Router Information (RI) TLVs
Reference: [RFC4970]
Range Registration Procedures Notes
------------ ---------------------------- --------------------
1-32767 Standards Action
32768-32777 Experimentation IANA does not assign
32778-65535 Reserved IANA does not assign
Registry:
Type Value Capabilities Reference
----------- -------------------------------------- ---------
0 Reserved [RFC4970]
1 RI Informational Capabilities [RFC4970]
2 Unassigned
3 TE-MESH-GROUP TLV (IPv4) [RFC4972]
4 TE-MESH-GROUP TLV (IPv6) [RFC4972]
5 TE Node Capability Descriptor [RFC5073]
6 PCED [RFC5088]
7-32767 Unassigned
32768-32777 Experimentation [RFC4970]
32778-65535 Reserved [RFC4970]
Registry Name: OSPF Router Informational Capability Bits
Reference: [RFC4970]
Registration Procedures: Standards Action
Registry:
Bit Capabilities 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 [P2PLAN]
5 OSPF Experimental TE [RFC4973]
6-31 Unassigned
Registry Name: OSPFv2 Router Properties Registry
Reference: [RFC4940]
Registration Procedures: Standards Action
Registry:
Value Description Reference
------ -------------------------- ---------
0x01 B-bit [RFC2328]
0x02 E-bit [RFC2328]
0x04 V-bit [RFC2328]
0x08 W-bit [RFC1584][RFC5110]
0x10 Nt-bit [RFC3101]
Registry Name: OSPFv2 Grace LSA Top Level TLV
Reference: [RFC4940]
Range Registration Procedures Notes
------------ ---------------------------- --------------------
1-255 Standards Action
256-65519 Reserved IANA does not assign
65520-65527 Experimentation IANA does not assign
65528-65535 Vendor Private Use IANA does not assign
Registry:
Value Description Reference
----------- ----------------------------- ---------
0 Reserved
1 Grace Period [RFC3623]
2 Graceful Restart reason [RFC3623]
3 IP Interface Address [RFC3623]
4-255 Unassigned
256-65519 Reserved
65520-65527 Experimentation
65528-65535 Vendor Private Use
Registry Name: Path Computation Element (PCE) Capability Flags
Reference: [RFC5088]
Registration Procedures: IETF consensus
Registry:
Bit Capability Description Reference
----- -------------------------------------------------------------- ---------
0 Path computation with GMPLS link constraints [RFC5088]
1 Bidirectional path computation [RFC5088]
2 Diverse path computation [RFC5088]
3 Load-balanced path computation [RFC5088]
4 Synchronized paths computation [RFC5088]
5 Support for multiple objective functions [RFC5088]
6 Support for additive path constraints (max hop count, etc.) [RFC5088]
7 Support for request prioritization [RFC5088]
8 Support for multiple requests per message [RFC5088]
9-31 Unassigned
References
----------
[P2PLAN] N. Shen, A. Zinin, "Point-to-point operation over LAN in link-state
routing protocols", Work in Progress, April 2006.
[RFC1584] J. Moy, "Multicast Extensions to OSPF", RFC 1584, March 1994.
[RFC1793] J. Moy, "Extending OSPF to Support Demand Circuits", RFC 1793,
April 1995.
[RFC2328] J. Moy, "OSPF Version 2", RFC 2328, April 1998.
[RFC3101] P. Murphy, "The OSPF Not-So-Stubby Area (NSSA) Option", RFC 3101,
January 2003.
[RFC3137] A. Retana, L. Nguyen, R. White, A. Zinin, D. McPherson, "OSPF
Stub Router Advertisement", RFC 3137, June 2001.
[RFC3623] J. Moy, P. Pillay-Esnault, A. Lindem, "Graceful OSPF Restart",
RFC 3623, November 2003.
[RFC3630] D. Katz, K. Kompella, D. Yeung, "Traffic Engineering Extensions
to OSPF", RFC 3630, September 2003.
[RFC4576] E. Rosen, P. Psenak, P. Pillay-Esnault, "Using a Link State
Advertisement (LSA) Options Bit to Prevent Looping in BGP/MPLS IP
Virtual Private Networks (VPNs)", RFC 4576, June 2006.
[RFC4915] P. Psenak, S. Mirtorabi, A. Roy, L. Nguyen and P. Pillay-Esnault,
"Multi-Topology (MT) Routing in OSPF", RFC 4915, June 2007.
[RFC4940] K. Kompella and B. Fenner, "IANA Considerations for OSPF",
RFC 4940, July 2007.
[RFC4970] A. Lindem, N. Shen, J. Vasseur, R. Aggarwal and S. Shaffer,
"Extensions to OSPF for Advertising Optional Router Capabilities",
RFC 4970, July 2007.
[RFC4972] JP. Vasseur, Ed., JL. Leroux, Ed., S. Yasukawa, S. Previdi, P. Psenak
and P. Mabbey, "Routing Extensions for Discovery of Multiprotocol (MPLS)
Label Switch Router (LSR) Traffic Engineering (TE) Mesh Membership",
RFC 4972, July 2007.
[RFC4973] P. Srisuresh, P. Joseph, "OSPF-xTE: Experimental Extension to OSPF
for Traffic Engineering", RFC 4973, July 2007.
[RFC5073] J.P. Vasseur (Editor) and J.L. Le Roux (Editor), "IGP Routing Protocol
Extensions for Discovery of Traffic Engineering Node Capabilities",
RFC 5073, December 2007.
[RFC5088] J.L. Le Roux (Editor), J.P. Vasseur (Editor), Yuichi Ikejiri and
Raymond Zhang, "OSPF Protocol Extensions for Path Computation Element
(PCE) Discovery", RFC 5088, January 2008.
[RFC5110] P. Savola, "Overview of the Internet Multicast Routing Architecture",
RFC 5110, January 2008.
[RFC5250] L. Berger, I. Bryskin, A. Zinin, Z. Coltun, "The OSPF Opaque LSA
Option", RFC 5250, July 2008.
(Registry created 2007-04-25)
[]
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