Internet Assigned Numbers Authority 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 [IMG] XML [IMG] HTML [IMG] Plain text Registries included below • IS-IS PDU Registry • LSP Flooding Scope Identifier Registry IS-IS PDU Registry Registration Procedure(s) IETF Review Reference [RFC7176] Available Formats [IMG] 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 [IMG] 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 Licensing Terms