OSPFv2 Parameters

(last updated 2007-05-23)

Registries included below:
- OSPFv2 Options Registry
- OSPF Packet Type Registry
- OSPFv2 Link State Type Registry
- OSPFv2 Router LSA Link Type Registry
- OSPF Router Information (RI) TLVs
- OSPF Router Informational Capability Bits 
- OSPFv2 Router Properties Registry
- OSPFv2 Grace LSA Top Level TLV Registry


OSPFv2 Options Registry (8 bits) - per [RFC-ietf-ospf-iana-03.txt]
Registration Procedures: Standards Action

Value   Description       Reference
------  ----------------  ---------
0x02    E-bit             [RFC2328]
0x04    MC-bit            [RFC1584]
0x08    N/P-bit           [RFC3101]
0x10    Reserved
0x20    DC-bit            [RFC1793]
0x40    O-bit             [RFC2370]
0x80    DN-bit            [RFC4576]


OSPF Packet Type (both v2 and v3)
Registration Procedures: 
6-127: Standards Action  
128-255 : Reserved

Value  Description                    Reference
-----  -----------------------------  ---------
  0    Reserved (not to be assigned)
  1    Hello                          [RFC2328]
  2    Database Description           [RFC2328]
  3    Link State Request             [RFC2328]
  4    Link State Update              [RFC2328]
  5    Link State Ack                 [RFC2328]


OSPFv2 Link State (LS) Type
Registration Procedures:
12-127: Standards Action
128-255: Reserved

Value  Description                     Reference
-----  ------------------------------  ---------
 0     Reserved (not to be assigned)
 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]
 7     NSSA AS-external LSA            [RFC3101]
 8     Reserved
 9     Link-scoped Opaque LSA          [RFC2370]
 10    Area-scoped Opaque LSA          [RFC2370]
 11    AS-scoped Opaque LSA            [RFC2370]


OSPFv2 Router LSA Link Type Registry - per [RFC-ietf-ospf-iana-03.txt]
Registration Procedures:
5-127: Standards Action
128-255: Reserved

Value   Description                                    Reference
------  ---------------------------------------------  ---------
  0     Reserved (not to be assigned)
  1     Point-to-Point connection to another router    [RFC2328]
  2     Transit Network                                [RFC2328]
  3     Stub Network                                   [RFC2328]
  4     Virtual Link                                   [RFC2328]


OSPF Router Information (RI) TLVs - per [RFC-ietf-ospf-cap-10.txt]
Registration Procedures:
2: Standards Action
5-32767: Standards Action
32768-32777: Experimentation 
32778-65535: Reserved

Type Value   Capabilities                            Reference
-----------  --------------------------------------  ---------
0            Reserved                                [RFC-ietf-ospf-cap-10.txt]
1            RI Informational Capabilities           [RFC-ietf-ospf-cap-10.txt]
2            Unassigned (Standards Action)
3            TE-MESH-GROUP TLV (IPv4)                [RFC-ietf-ccamp-automesh-04.txt]
4            TE-MESH-GROUP TLV (IPv6)                [RFC-ietf-ccamp-automesh-04.txt]
5-32767      Unassigned (Standards Action)
32768-32777  Experimentation (No assignments)        [RFC-ietf-ospf-cap-10.txt]
32778-65535  Reserved (Not to be assigned)           [RFC-ietf-ospf-cap-10.txt]


OSPF Router Informational Capability Bits - per [RFC-ietf-ospf-cap-10.txt]
Registration Procedures: Standards Action

Bit       Capabilities                            Reference
--------  --------------------------------------  ---------
0         OSPF graceful restart capable           [GRACE]
1         OSPF graceful restart helper            [GRACE]
2         OSPF Stub Router support                [STUB]
3         OSPF Traffic Engineering support        [TE]
4         OSPF point-to-point over LAN            [P2PLAN]
5         OSPF Experimental TE                    [EXP-TE]
6-31      Unassigned


OSPFv2 Router Properties Registry - per [RFC-ietf-ospf-iana-03.txt]
Registration Procedures: Standards Action

Value   Description                 Reference
------  --------------------------  ---------
0x01    B-bit                       [RFC2328]
0x02    W-bit                       [RFC2328]
0x04    V-bit                       [RFC2328]
0x08    W-bit                       [RFC1584]
0x10    Nt-bit                      [RFC3101]


OSPFv2 Grace LSA Top Level TLV - per [RFC-ietf-ospf-iana-03.txt]
Registration Procedures: 
4-255: Standards Action

Value        Description                    Reference
-----------  -----------------------------  ---------
0            Reserved (not to be assigned)
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


References
----------
[RFC-ietf-ospf-iana-03.txt]
          K. Kompella and B. Fenner, "IANA Considerations for OSPF",
          RFC XXXX, Month Year.

[RFC-ietf-ospf-cap-10.txt]
          A. Lindem, N. Shen, J. Vasseur, R. Aggarwal and S. Shaffer, 
          "Extensions to OSPF for Advertising Optional Router Capabilities", 
          RFC XXXX, Month Year.

[RFC-ietf-ccamp-automesh-04.txt]
          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 XXXX, Month Year.

(Registry created 2007-04-25)

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