| 1918 | Address Allocation for Private InternetsY. Rekhter, B. Moskowitz, D. Karrenberg, G. J. de Groot, E. Lear | Best Current Practice | February 1996 |
| 2080 | RIPng for IPv6G. Malkin, R. Minnear | Proposed Standard | January 1997 |
| 2364 | PPP Over AAL5G. Gross, M. Kaycee, A. Li, A. Malis, J. Stephens | Proposed Standard | July 1998 |
| 2461 | Neighbor Discovery for IP Version 6 (IPv6)T. Narten, E. Nordmark, W. Simpson · obsoleted by RFC 4861 | Draft Standard | December 1998 |
| 2462 | IPv6 Stateless Address AutoconfigurationS. Thomson, T. Narten · obsoleted by RFC 4862 | Draft Standard | December 1998 |
| 2473 | Generic Packet Tunneling in IPv6 SpecificationA. Conta, S. Deering | Proposed Standard | December 1998 |
| 2491 | IPv6 over Non-Broadcast Multiple Access (NBMA) networksG. Armitage, P. Schulter, M. Jork, G. Harter | Proposed Standard | January 1999 |
| 2516 | A Method for Transmitting PPP Over Ethernet (PPPoE)L. Mamakos, K. Lidl, J. Evarts, D. Carrel, D. Simone, R. Wheeler | Informational | February 1999 |
| 2529 | Transmission of IPv6 over IPv4 Domains without Explicit TunnelsB. Carpenter, C. Jung | Proposed Standard | March 1999 |
| 2661 | Layer Two Tunneling Protocol "L2TP"W. Townsley, A. Valencia, A. Rubens, G. Pall, G. Zorn, B. Palter | Proposed Standard | August 1999 |
| 2740 | OSPF for IPv6R. Coltun, D. Ferguson, J. Moy · obsoleted by RFC 5340 | Proposed Standard | December 1999 |
| 2784 | Generic Routing Encapsulation (GRE)D. Farinacci, T. Li, S. Hanks, D. Meyer, P. Traina | Proposed Standard | March 2000 |
| 3041 | Privacy Extensions for Stateless Address Autoconfiguration in IPv6T. Narten, R. Draves · obsoleted by RFC 4941 | Proposed Standard | January 2001 |
| 3053 | IPv6 Tunnel BrokerA. Durand, P. Fasano, I. Guardini, D. Lento | Informational | January 2001 |
| 3056 | Connection of IPv6 Domains via IPv4 CloudsB. Carpenter, K. Moore | Proposed Standard | February 2001 |
| 3177 | IAB/IESG Recommendations on IPv6 Address Allocations to SitesIAB, IESG · obsoleted by RFC 6177 | Informational | September 2001 |
| 3180 | GLOP Addressing in 233/8D. Meyer, P. Lothberg | Best Current Practice | September 2001 |
| 3306 | Unicast-Prefix-based IPv6 Multicast AddressesB. Haberman, D. Thaler | Proposed Standard | September 2002 |
| 3315 | Dynamic Host Configuration Protocol for IPv6 (DHCPv6)R. Droms, Ed., J. Bound, B. Volz, T. Lemon, C. Perkins, M. Carney · obsoleted by RFC 8415 | Proposed Standard | July 2003 |
| 3618 | Multicast Source Discovery Protocol (MSDP)B. Fenner, Ed., D. Meyer, Ed. | Experimental | October 2003 |
| 3704 | Ingress Filtering for Multihomed NetworksF. Baker, P. Savola | Best Current Practice | March 2004 |
| 3736 | Stateless Dynamic Host Configuration Protocol (DHCP) Service for IPv6R. Droms · obsoleted by RFC 8415 | Proposed Standard | April 2004 |
| 3904 | Evaluation of IPv6 Transition Mechanisms for Unmanaged NetworksC. Huitema, R. Austein, S. Satapati, R. van der Pol | Informational | September 2004 |
| 3931 | Layer Two Tunneling Protocol - Version 3 (L2TPv3)J. Lau, Ed., M. Townsley, Ed., I. Goyret, Ed. | Proposed Standard | March 2005 |
| 4001 | Textual Conventions for Internet Network AddressesM. Daniele, B. Haberman, S. Routhier, J. Schoenwaelder | Proposed Standard | March 2005 |
| 4029 | Scenarios and Analysis for Introducing IPv6 into ISP NetworksM. Lind, V. Ksinant, S. Park, A. Baudot, P. Savola | Informational | March 2005 |
| 4191 | Default Router Preferences and More-Specific RoutesR. Draves, D. Thaler | Proposed Standard | November 2005 |
| 4213 | Basic Transition Mechanisms for IPv6 Hosts and RoutersE. Nordmark, R. Gilligan | Proposed Standard | October 2005 |
| 4214 | Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)F. Templin, T. Gleeson, M. Talwar, D. Thaler · obsoleted by RFC 5214 | Experimental | October 2005 |
| 4380 | Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)C. Huitema | Proposed Standard | February 2006 |
| 4562 | MAC-Forced Forwarding: A Method for Subscriber Separation on an Ethernet Access NetworkT. Melsen, S. Blake | Informational | June 2006 |