IS-IS PDU Registry

Created
2011-03-02
Last Updated
2017-10-24
Note
For IS-IS registries and value ranges maintained via the "Expert Review" [RFC8126] 
registration procedure, guidance for IESG-designated experts can be found in 
[RFC7370].
Available Formats

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Registries Included Below

IS-IS PDU Registry

Registration Procedure(s)
IETF Review
Reference
[RFC7176]
Available Formats

CSV
Value Description Reference
0-9 Unassigned
10 FS-LSP [RFC7356]
11 FS-CSNP [RFC7356]
12 FS-PSNP [RFC7356]
13-14 Unassigned
15 L1-LAN-HELLO-PDU [ISO-10589]
16 L2-LAN-HELLO-PDU [ISO-10589]
17 P2P-HELLO-PDU [ISO-10589]
18 L1-LSP-PDU [ISO-10589]
19 Unassigned
20 L2-LSP-PDU [ISO-10589]
21-22 Unassigned
23 MTU-PROBE-PDU [RFC7176]
24 L1-CSNP-PDU [ISO-10589]
25 L2-CSNP-PDU [ISO-10589]
26 L1-PSNP-PDU [ISO-10589]
27 L2-PSNP-PDU [ISO-10589]
28 MTU-ACK-PDU [RFC7176]
29-31 Unassigned

LSP Flooding Scope Identifier Registry

Registration Procedure(s)
Expert Review
Expert(s)
Chris Hopps, Hannes Gredler, Les Ginsberg
Reference
[RFC7356]
Note
Values 1 - 63 are reserved for PDUs which use standard TLVs and 
standard sub-TLVs. Values 64 - 127 are reserved for PDUs which use 
extended TLVs and extended sub-TLVs.
Available Formats

CSV
Value Description FS LSP ID Format/TLV Format IIH Announce P2P IIH Announce L1LAN IIH Announce L2LAN Reference
0 Reserved [RFC7356]
1 Level 1 Circuit Flooding Scope Extended/Standard y y n [RFC7356]
2 Level 2 Circuit Flooding Scope Extended/Standard y n y [RFC7356]
3 Level 1 Flooding Scope Extended/Standard y y n [RFC7356]
4 Level 2 Flooding Scope Extended/Standard y n y [RFC7356]
5 Domain Flooding Scope Extended/Standard y y y [RFC7356]
6-63 Unassigned
64 Level 1 Circuit Flooding Scope Extended/Extended y y n [RFC7356]
65 Level 2 Circuit Flooding Scope Extended/Extended y n y [RFC7356]
66 Level 1 Flooding Scope Extended/Extended y y n [RFC7356]
67 Level 2 Flooding Scope Extended/Extended y n y [RFC7356]
68 Domain Flooding Scope Extended/Extended y y y [RFC7356]
69-127 Unassigned