| 1195 | Use of OSI IS-IS for routing in TCP/IP and dual environmentsR. Callon | Proposed Standard | December 1990 |
| 1982 | Serial Number ArithmeticR. Elz, R. Bush | Proposed Standard | August 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 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 |
| 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 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 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 |
| 5310 | IS-IS Generic Cryptographic AuthenticationM. Bhatia, V. Manral, T. Li, R. Atkinson, R. White, M. Fanto | Proposed Standard | February 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 6039 | Issues with Existing Cryptographic Protection Methods for Routing ProtocolsV. Manral, M. Bhatia, J. Jaeggli, R. White | Informational | October 2010 |
| 6165 | Extensions to IS-IS for Layer-2 SystemsA. Banerjee, D. Ward | Proposed Standard | April 2011 |
| 6325 | Routing Bridges (RBridges): Base Protocol SpecificationR. Perlman, D. Eastlake 3rd, D. Dutt, S. Gai, A. Ghanwani | Proposed Standard | July 2011 |
| 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 |
| 6328 | IANA Considerations for Network Layer Protocol IdentifiersD. Eastlake 3rd | Best Current Practice | July 2011 |
| 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 |
| 6439 | Routing Bridges (RBridges): Appointed ForwardersR. Perlman, D. Eastlake, Y. Li, A. Banerjee, F. Hu · obsoleted by RFC 8139 | Proposed Standard | November 2011 |
| 7042 | IANA Considerations and IETF Protocol and Documentation Usage for IEEE 802 ParametersD. Eastlake 3rd, J. Abley · obsoleted by RFC 9542 | Best Current Practice | October 2013 |
| 7172 | Transparent Interconnection of Lots of Links (TRILL): Fine-Grained LabelingD. Eastlake 3rd, M. Zhang, P. Agarwal, R. Perlman, D. Dutt | Proposed Standard | May 2014 |
| 7175 | Transparent Interconnection of Lots of Links (TRILL): Bidirectional Forwarding Detection (BFD) SupportV. Manral, D. Eastlake 3rd, D. Ward, A. Banerjee | Proposed Standard | May 2014 |
| 7177 | Transparent Interconnection of Lots of Links (TRILL): AdjacencyD. Eastlake 3rd, R. Perlman, A. Ghanwani, H. Yang, V. Manral | Proposed Standard | May 2014 |
| 7178 | Transparent Interconnection of Lots of Links (TRILL): RBridge Channel SupportD. Eastlake 3rd, V. Manral, Y. Li, S. Aldrin, D. Ward | Proposed Standard | May 2014 |
| 7179 | Transparent Interconnection of Lots of Links (TRILL): Header ExtensionD. Eastlake 3rd, A. Ghanwani, V. Manral, Y. Li, C. Bestler | Proposed Standard | May 2014 |
| 7180 | Transparent Interconnection of Lots of Links (TRILL): Clarifications, Corrections, and UpdatesD. Eastlake 3rd, M. Zhang, A. Ghanwani, V. Manral, A. Banerjee · obsoleted by RFC 7780 | Proposed Standard | May 2014 |