| 1195 | Use of OSI IS-IS for routing in TCP/IP and dual environmentsR. Callon | Proposed Standard | December 1990 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 5120 | M-ISIS: Multi Topology (MT) Routing in Intermediate System to Intermediate Systems (IS-ISs)T. Przygienda, N. Shen, N. Sheth | Proposed Standard | February 2008 |
| 5301 | Dynamic Hostname Exchange Mechanism for IS-ISD. McPherson, N. Shen | Proposed Standard | October 2008 |
| 5304 | IS-IS Cryptographic AuthenticationT. Li, R. Atkinson | Proposed Standard | October 2008 |
| 5305 | IS-IS Extensions for Traffic EngineeringT. Li, H. Smit | Proposed Standard | October 2008 |
| 5307 | IS-IS Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)K. Kompella, Ed., Y. Rekhter, Ed. | Proposed Standard | October 2008 |
| 5308 | Routing IPv6 with IS-ISC. Hopps | Proposed Standard | October 2008 |
| 5310 | IS-IS Generic Cryptographic AuthenticationM. Bhatia, V. Manral, T. Li, R. Atkinson, R. White, M. Fanto | Proposed Standard | February 2009 |
| 6119 | IPv6 Traffic Engineering in IS-ISJ. Harrison, J. Berger, M. Bartlett | Proposed Standard | February 2011 |
| 7120 | Early IANA Allocation of Standards Track Code PointsM. Cotton | Best Current Practice | January 2014 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 7981 | IS-IS Extensions for Advertising Router InformationL. Ginsberg, S. Previdi, M. Chen | Proposed Standard | October 2016 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8402 | Segment Routing ArchitectureC. Filsfils, Ed., S. Previdi, Ed., L. Ginsberg, B. Decraene, S. Litkowski, R. Shakir | Proposed Standard | July 2018 |
| 8491 | Signaling Maximum SID Depth (MSD) Using IS-ISJ. Tantsura, U. Chunduri, S. Aldrin, L. Ginsberg | Proposed Standard | November 2018 |
| 8667 | IS-IS Extensions for Segment RoutingS. Previdi, Ed., L. Ginsberg, Ed., C. Filsfils, A. Bashandy, H. Gredler, B. Decraene | Proposed Standard | December 2019 |
| 9352 | IS-IS Extensions to Support Segment Routing over the IPv6 Data PlaneP. Psenak, Ed., C. Filsfils, A. Bashandy, B. Decraene, Z. Hu | Proposed Standard | February 2023 |
| 9667 | Dynamic Flooding on Dense GraphsT. Li, Ed., P. Psenak, Ed., H. Chen, L. Jalil, S. Dontula | Experimental | October 2024 |