| 1112 | Host extensions for IP multicastingS.E. Deering | Internet Standard | August 1989 |
| 1195 | Use of OSI IS-IS for routing in TCP/IP and dual environmentsR. Callon | Proposed Standard | December 1990 |
| 1661 | The Point-to-Point Protocol (PPP)W. Simpson, Ed. | Internet Standard | July 1994 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2464 | Transmission of IPv6 Packets over Ethernet NetworksM. Crawford | Proposed Standard | December 1998 |
| 2710 | Multicast Listener Discovery (MLD) for IPv6S. Deering, W. Fenner, B. Haberman | Proposed Standard | October 1999 |
| 3376 | Internet Group Management Protocol, Version 3B. Cain, S. Deering, I. Kouvelas, B. Fenner, A. Thyagarajan · obsoleted by RFC 9776 | Proposed Standard | October 2002 |
| 3411 | An Architecture for Describing Simple Network Management Protocol (SNMP) Management FrameworksD. Harrington, R. Presuhn, B. Wijnen | Internet Standard | December 2002 |
| 3417 | Transport Mappings for the Simple Network Management Protocol (SNMP)R. Presuhn, Ed. | Internet Standard | December 2002 |
| 3419 | Textual Conventions for Transport AddressesM. Daniele, J. Schoenwaelder | Proposed Standard | December 2002 |
| 4086 | Randomness Requirements for SecurityD. Eastlake 3rd, J. Schiller, S. Crocker | Best Current Practice | June 2005 |
| 4286 | Multicast Router DiscoveryB. Haberman, J. Martin | Proposed Standard | December 2005 |
| 4541 | Considerations for Internet Group Management Protocol (IGMP) and Multicast Listener Discovery (MLD) Snooping SwitchesM. Christensen, K. Kimball, F. Solensky | Informational | May 2006 |
| 4789 | Simple Network Management Protocol (SNMP) over IEEE 802 NetworksJ. Schoenwaelder, T. Jeffree | Proposed Standard | November 2006 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5303 | Three-Way Handshake for IS-IS Point-to-Point AdjacenciesD. Katz, R. Saluja, D. Eastlake 3rd | 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 |
| 5310 | IS-IS Generic Cryptographic AuthenticationM. Bhatia, V. Manral, T. Li, R. Atkinson, R. White, M. Fanto | Proposed Standard | February 2009 |
| 5342 | IANA Considerations and IETF Protocol Usage for IEEE 802 ParametersD. Eastlake 3rd · obsoleted by RFC 7042 | Best Current Practice | September 2008 |
| 5556 | Transparent Interconnection of Lots of Links (TRILL): Problem and Applicability StatementJ. Touch, R. Perlman | Informational | May 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 6165 | Extensions to IS-IS for Layer-2 SystemsA. Banerjee, D. Ward | Proposed Standard | April 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 |