Open Shortest Path First (OSPF) Traffic Engineering TLVs
2003-08-29
2025-09-16
Top Level Types in TE LSAs
Standards Action
0
Reserved
1
Router Address
2
Link
3
Router IPv6 Address
4
Link Local
5
Node Attribute
6
Optical Node Property
7-32767
Unassigned
32768-32777
Reserved for Experimental Use
32778-65535
Reserved
Types for sub-TLVs of Router Address TLV (Value 1)
Standards Action
0
Reserved
1-11
Unassigned
12
Inter-RA Export Upward sub-TLV
13
Inter-RA Export Downward sub-TLV
14-32767
Unassigned
32768-32777
Reserved for Experimental Use
32778-65535
Reserved
Types for sub-TLVs of TE Link TLV (Value 2)
Standards Action
0
Reserved
1
Link type (1 octet)
2
Link ID (4 octets)
3
Local interface IP address (4 octets)
4
Remote interface IP address (4 octets)
5
Traffic engineering metric (4 octets)
6
Maximum bandwidth (4 octets)
7
Maximum reservable bandwidth (4 octets)
8
Unreserved bandwidth (32 octets)
9
Administrative group (4 octets)
10
Local and Remote TE Router ID sub-TLV
11
Link Local/Remote Identifiers (8 octets)
12
Inter-RA Export Upward sub-TLV
13
Inter-RA Export Downward sub-TLV
14
Link Protection Type (4 octets)
15
Interface Switching Capability Descriptor (variable)
16
Shared Risk Link Group (variable)
17
Bandwidth Constraints
18
Neighbor ID
19
Local Interface IPv6 Address
20
Remote Interface IPv6 Address
21
Remote AS Number sub-TLV
22
IPv4 Remote ASBR ID sub-TLV
23
Unconstrained TE LSP Count (sub-)TLV
24
IPv6 Remote ASBR ID sub-TLV
25
Interface Adjustment Capability Descriptor (IACD)
26
Extended Administrative Group
27
Unidirectional Link Delay
28
Min/Max Unidirectional Link Delay
29
Unidirectional Delay Variation
30
Unidirectional Link Loss
31
Unidirectional Residual Bandwidth
32
Unidirectional Available Bandwidth
33
Unidirectional Utilized Bandwidth
34
Port Label Restrictions
35
Network-to-Router TE Metric Sub-TLV
36
Generic Metric
RFC9843, Section 2.2
37-32767
Unassigned
32768-32777
Reserved for Experimental Use
32778-65535
Reserved
Types for sub-TLVs of TE Node Attribute TLV (Value 5)
Standards Action
0
Reserved
1
Node IPv4 Local Address
2
Node IPv6 Local Address
3-4
Unassigned
5
Local TE Router ID sub-TLV
6-11
Unassigned
12
Inter-RA Export Upward sub-TLV
13
Inter-RA Export Downward sub-TLV
14
Connectivity Matrix
15-32767
Unassigned
32768-32777
Reserved for Experimental Use
32778-65535
Reserved
Types for sub-TLVs of Optical Node Property (Value 6)
Standards Action
0
Reserved
1
variable
Resource Block Information
2
variable
Resource Accessibility
3
variable
Resource Wavelength Constraints
4
variable
Resource Block Pool State
5
variable
Resource Block Shared Access Wavelength Availability
6-65535
Unassigned
Types for sub-TLVs of OTN-TDM SCSI (Switching Capability Specific Information)
Standards Action
0
Reserved
1
Unreserved Bandwidth for fixed containers
2
Unreserved/MAX Bandwidth for flexible containers
3-65535
Unassigned
Types for sub-TLVs of WSON-LSC SCSI (Switching Capability Specific Information)
Standards Action
0
Reserved
1
Available Labels
2
Shared Backup Labels
3-65535
Unassigned