| 1142 | OSI IS-IS Intra-domain Routing ProtocolD. Oran, Ed. · obsoleted by RFC 7142 | Historic | February 1990 |
| 2080 | RIPng for IPv6G. Malkin, R. Minnear | Proposed Standard | January 1997 |
| 2131 | Dynamic Host Configuration ProtocolR. Droms | Draft Standard | March 1997 |
| 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 |
| 2766 | Network Address Translation - Protocol Translation (NAT-PT)G. Tsirtsis, P. Srisuresh · obsoleted by RFC 4966 | Historic | February 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 |
| 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 |
| 3596 | DNS Extensions to Support IP Version 6S. Thomson, C. Huitema, V. Ksinant, M. Souissi | Internet Standard | October 2003 |
| 3898 | Network Information Service (NIS) Configuration Options for Dynamic Host Configuration Protocol for IPv6 (DHCPv6)V. Kalusivalingam | Proposed Standard | October 2004 |
| 3904 | Evaluation of IPv6 Transition Mechanisms for Unmanaged NetworksC. Huitema, R. Austein, S. Satapati, R. van der Pol | Informational | September 2004 |
| 3971 | SEcure Neighbor Discovery (SEND)J. Arkko, Ed., J. Kempf, B. Zill, P. Nikander | 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 |
| 4038 | Application Aspects of IPv6 TransitionM-K. Shin, Ed., Y-G. Hong, J. Hagino, P. Savola, E. M. Castro | Informational | March 2005 |
| 4192 | Procedures for Renumbering an IPv6 Network without a Flag DayF. Baker, E. Lear, R. Droms | Informational | September 2005 |
| 4193 | Unique Local IPv6 Unicast AddressesR. Hinden, B. Haberman | Proposed Standard | October 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 |
| 4215 | Analysis on IPv6 Transition in Third Generation Partnership Project (3GPP) NetworksJ. Wiljakka, Ed. | Informational | October 2005 |
| 4305 | Cryptographic Algorithm Implementation Requirements for Encapsulating Security Payload (ESP) and Authentication Header (AH)D. Eastlake 3rd · obsoleted by RFC 4835 | Proposed Standard | December 2005 |
| 4380 | Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)C. Huitema | Proposed Standard | February 2006 |
| 4472 | Operational Considerations and Issues with IPv6 DNSA. Durand, J. Ihren, P. Savola | Informational | April 2006 |
| 4477 | Dynamic Host Configuration Protocol (DHCP): IPv4 and IPv6 Dual-Stack IssuesT. Chown, S. Venaas, C. Strauf | Informational | May 2006 |
| 4554 | Use of VLANs for IPv4-IPv6 Coexistence in Enterprise NetworksT. Chown | Informational | June 2006 |
| 4760 | Multiprotocol Extensions for BGP-4T. Bates, R. Chandra, D. Katz, Y. Rekhter | Draft Standard | January 2007 |