| 8668 | Advertising Layer 2 Bundle Member Link Attributes in IS-ISL. Ginsberg, Ed., A. Bashandy, C. Filsfils, M. Nanduri, E. Aries | Proposed Standard | December 2019 |
| 8202 | IS-IS Multi-InstanceL. Ginsberg, S. Previdi, W. Henderickx | Proposed Standard | June 2017 |
| 8196 | IS-IS AutoconfigurationB. Liu, Ed., L. Ginsberg, B. Decraene, I. Farrer, M. Abrahamsson | Proposed Standard | July 2017 |
| 7987 | IS-IS Minimum Remaining LifetimeL. Ginsberg, P. Wells, B. Decraene, T. Przygienda, H. Gredler | Proposed Standard | October 2016 |
| 7981 | IS-IS Extensions for Advertising Router InformationL. Ginsberg, S. Previdi, M. Chen | Proposed Standard | October 2016 |
| 7917 | Advertising Node Administrative Tags in IS-ISP. Sarkar, Ed., H. Gredler, S. Hegde, S. Litkowski, B. Decraene | Proposed Standard | July 2016 |
| 7883 | Advertising Seamless Bidirectional Forwarding Detection (S-BFD) Discriminators in IS-ISL. Ginsberg, N. Akiya, M. Chen | Proposed Standard | July 2016 |
| 7813 | IS-IS Path Control and ReservationJ. Farkas, Ed., N. Bragg, P. Unbehagen, G. Parsons, P. Ashwood-Smith, C. Bowers | Proposed Standard | June 2016 |
| 7810 | IS-IS Traffic Engineering (TE) Metric ExtensionsS. Previdi, Ed., S. Giacalone, D. Ward, J. Drake, Q. Wu · obsoleted by RFC 8570 | Proposed Standard | May 2016 |
| 7794 | IS-IS Prefix Attributes for Extended IPv4 and IPv6 ReachabilityL. Ginsberg, Ed., B. Decraene, S. Previdi, X. Xu, U. Chunduri | Proposed Standard | March 2016 |
| 7775 | IS-IS Route Preference for Extended IP and IPv6 ReachabilityL. Ginsberg, S. Litkowski, S. Previdi | Proposed Standard | February 2016 |
| 7602 | IS-IS Extended Sequence Number TLVU. Chunduri, W. Lu, A. Tian, N. Shen | Proposed Standard | July 2015 |
| 7370 | Updates to the IS-IS TLV Codepoints RegistryL. Ginsberg | Proposed Standard | September 2014 |
| 7356 | IS-IS Flooding Scope Link State PDUs (LSPs)L. Ginsberg, S. Previdi, Y. Yang | Proposed Standard | September 2014 |
| 7176 | Transparent Interconnection of Lots of Links (TRILL) Use of IS-ISD. Eastlake 3rd, T. Senevirathne, A. Ghanwani, D. Dutt, A. Banerjee | Proposed Standard | May 2014 |
| 7142 | Reclassification of RFC 1142 to HistoricM. Shand, L. Ginsberg | Informational | February 2014 |
| 6823 | Advertising Generic Information in IS-ISL. Ginsberg, S. Previdi, M. Shand | Proposed Standard | December 2012 |
| 6822 | IS-IS Multi-InstanceS. Previdi, Ed., L. Ginsberg, M. Shand, A. Roy, D. Ward · obsoleted by RFC 8202 | Proposed Standard | December 2012 |
| 6329 | IS-IS Extensions Supporting IEEE 802.1aq Shortest Path BridgingD. Fedyk, Ed., P. Ashwood-Smith, Ed., D. Allan, A. Bragg, P. Unbehagen | Proposed Standard | April 2012 |
| 6326 | Transparent Interconnection of Lots of Links (TRILL) Use of IS-ISD. Eastlake, A. Banerjee, D. Dutt, R. Perlman, A. Ghanwani · obsoleted by RFC 7176 | Proposed Standard | July 2011 |
| 6233 | IS-IS Registry Extension for PurgesT. Li, L. Ginsberg | Proposed Standard | May 2011 |
| 6232 | Purge Originator Identification TLV for IS-ISF. Wei, Y. Qin, Z. Li, T. Li, J. Dong | Proposed Standard | May 2011 |
| 6213 | IS-IS BFD-Enabled TLVC. Hopps, L. Ginsberg | Proposed Standard | April 2011 |
| 6165 | Extensions to IS-IS for Layer-2 SystemsA. Banerjee, D. Ward | Proposed Standard | April 2011 |
| 6119 | IPv6 Traffic Engineering in IS-ISJ. Harrison, J. Berger, M. Bartlett | Proposed Standard | February 2011 |
| 5311 | Simplified Extension of Link State PDU (LSP) Space for IS-ISD. McPherson, Ed., L. Ginsberg, S. Previdi, M. Shand | Proposed Standard | February 2009 |
| 5310 | IS-IS Generic Cryptographic AuthenticationM. Bhatia, V. Manral, T. Li, R. Atkinson, R. White, M. Fanto | Proposed Standard | February 2009 |
| 5309 | Point-to-Point Operation over LAN in Link State Routing ProtocolsN. Shen, Ed., A. Zinin, Ed. | Informational | October 2008 |
| 5308 | Routing IPv6 with IS-ISC. Hopps | 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 |
| 5306 | Restart Signaling for IS-ISM. Shand, L. Ginsberg · obsoleted by RFC 8706 | Proposed Standard | October 2008 |
| 5305 | IS-IS Extensions for Traffic EngineeringT. Li, H. Smit | Proposed Standard | October 2008 |
| 5304 | IS-IS Cryptographic AuthenticationT. Li, R. Atkinson | Proposed Standard | October 2008 |
| 5303 | Three-Way Handshake for IS-IS Point-to-Point AdjacenciesD. Katz, R. Saluja, D. Eastlake 3rd | Proposed Standard | October 2008 |
| 5302 | Domain-Wide Prefix Distribution with Two-Level IS-IST. Li, H. Smit, T. Przygienda | Proposed Standard | October 2008 |
| 5301 | Dynamic Hostname Exchange Mechanism for IS-ISD. McPherson, N. Shen | Proposed Standard | October 2008 |
| 5130 | A Policy Control Mechanism in IS-IS Using Administrative TagsS. Previdi, M. Shand, Ed., C. Martin | Proposed Standard | February 2008 |
| 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 |
| 5029 | Definition of an IS-IS Link Attribute Sub-TLVJP. Vasseur, S. Previdi | Proposed Standard | September 2007 |
| 4971 | Intermediate System to Intermediate System (IS-IS) Extensions for Advertising Router InformationJP. Vasseur, Ed., N. Shen, Ed., R. Aggarwal, Ed. · obsoleted by RFC 7981 | Proposed Standard | July 2007 |
| 4444 | Management Information Base for Intermediate System to Intermediate System (IS-IS)J. Parker, Ed. | Proposed Standard | April 2006 |
| 4205 | Intermediate System to Intermediate System (IS-IS) Extensions in Support of Generalized Multi-Protocol Label Switching (GMPLS)K. Kompella, Ed., Y. Rekhter, Ed. · obsoleted by RFC 5307 | Informational | October 2005 |
| 3847 | Restart Signaling for Intermediate System to Intermediate System (IS-IS)M. Shand, L. Ginsberg · obsoleted by RFC 5306 | Informational | July 2004 |
| 3787 | Recommendations for Interoperable IP Networks using Intermediate System to Intermediate System (IS-IS)J. Parker, Ed. | Informational | May 2004 |
| 3786 | Extending the Number of Intermediate System to Intermediate System (IS-IS) Link State PDU (LSP) Fragments Beyond the 256 LimitA. Hermelin, S. Previdi, M. Shand · obsoleted by RFC 5311 | Informational | May 2004 |
| 3784 | Intermediate System to Intermediate System (IS-IS) Extensions for Traffic Engineering (TE)H. Smit, T. Li · obsoleted by RFC 5305 | Informational | June 2004 |
| 3719 | Recommendations for Interoperable Networks using Intermediate System to Intermediate System (IS-IS)J. Parker, Ed. | Informational | February 2004 |
| 3567 | Intermediate System to Intermediate System (IS-IS) Cryptographic AuthenticationT. Li, R. Atkinson · obsoleted by RFC 5304 | Informational | July 2003 |
| 3373 | Three-Way Handshake for Intermediate System to Intermediate System (IS-IS) Point-to-Point AdjacenciesD. Katz, R. Saluja · obsoleted by RFC 5303 | Informational | September 2002 |
| 3359 | Reserved Type, Length and Value (TLV) Codepoints in Intermediate System to Intermediate SystemT. Przygienda | Informational | August 2002 |
| 3358 | Optional Checksums in Intermediate System to Intermediate System (ISIS)T. Przygienda | Informational | August 2002 |
| 3277 | Intermediate System to Intermediate System (IS-IS) Transient Blackhole AvoidanceD. McPherson | Informational | April 2002 |
| 2973 | IS-IS Mesh GroupsR. Balay, D. Katz, J. Parker | Informational | October 2000 |
| 2966 | Domain-wide Prefix Distribution with Two-Level IS-IST. Li, T. Przygienda, H. Smit · obsoleted by RFC 5302 | Informational | October 2000 |
| 2763 | Dynamic Hostname Exchange Mechanism for IS-ISN. Shen, H. Smit · obsoleted by RFC 5301 | Informational | February 2000 |