Open Shortest Path First v2 (OSPFv2) Parameters
2007-04-25
2012-01-30
Please also see:
OSPFv2 Options Registry (8 bits)
Standards Action
0x01
MT-bit
0x02
E-bit
0x04
MC-bit
0x08
N/P-bit
0x10
L-bit
0x20
DC-bit
0x40
O-bit
0x80
DN-bit
OSPF Packet Type (both v2 and v3)
1-127
Standards Action
128-255
Reserved
0
Reserved
1
Hello
2
Database Description
3
Link State Request
4
Link State Update
5
Link State Ack
6-127
Unassigned
128-255
Reserved
OSPFv2 Link State (LS) Type
1-127
Standards Action
128-255
Reserved
0
Reserved
1
Router-LSA
2
Network-LSA
3
Summary-LSA (IP network)
4
Summary-LSA (ASBR)
5
AS-external-LSA
6
Group-membership-LSA
7
NSSA AS-external LSA
8
Reserved
9
Link-scoped Opaque LSA
10
Area-scoped Opaque LSA
11
AS-scoped Opaque LSA
12-127
Unassigned
128-255
Reserved
OSPFv2 Router LSA Link Type (Value 1)
1-127
Standards Action
128-255
Reserved
0
Reserved
1
Point-to-Point connection to another router
2
Transit Network
3
Stub Network
4
Virtual Link
OSPF Router Information (RI) TLVs
1-32767
Standards Action
32768-32777
Experimentation
IANA does not assign
32778-65535
Reserved
IANA does not assign
0
Reserved
1
RI Informational Capabilities
2
Unassigned
3
TE-MESH-GROUP TLV (IPv4)
4
TE-MESH-GROUP TLV (IPv6)
5
TE Node Capability Descriptor
6
PCED
7
OSPF Dynamic Hostname
8-32767
Unassigned
32768-32777
Experimentation
32778-65535
Reserved
OSPF Router Informational Capability Bits
Standards Action
0
OSPF graceful restart capable
1
OSPF graceful restart helper
2
OSPF Stub Router support
3
OSPF Traffic Engineering support
4
OSPF point-to-point over LAN
N. Shen, A. Zinin, "Point-to-point operation over LAN in link-state
routing protocols", Work in Progress, April 2006.
5
OSPF Experimental TE
6-31
Unassigned
OSPFv2 Router Properties Registry
Standards Action
0x01
B-bit
0x02
E-bit
0x04
V-bit
0x08
W-bit
0x10
Nt-bit
OSPFv2 Grace LSA Top Level TLV
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
0
Reserved
1
Grace Period
2
Graceful Restart reason
3
IP Interface Address
4-255
Unassigned
256-65519
Reserved
65520-65527
Experimentation
65528-65535
Vendor Private Use
Path Computation Element (PCE) Capability Flags
IETF consensus
0
Path computation with GMPLS link constraints
1
Bidirectional path computation
2
Diverse path computation
3
Load-balanced path computation
4
Synchronized paths computation
5
Support for multiple objective functions
6
Support for additive path constraints (max hop count, etc.)
7
Support for request prioritization
8
Support for multiple requests per message
9
Global Concurrent Optimization (GCO)
10
P2MP path computation
11-31
Unassigned
OSPFv2 Instance IDs
Standards Action
0
Base IPv4 Unicast Instance
1
Base IPv4 Multicast Instance
2
Base IPv4 In-band Management Instance
3-127
Private Use
128-255
Unassigned