| 2003 | IP Encapsulation within IPC. Perkins | Proposed Standard | October 1996 |
| 2026 | The Internet Standards Process -- Revision 3S. Bradner | Best Current Practice | October 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2330 | Framework for IP Performance MetricsV. Paxson, G. Almes, J. Mahdavi, M. Mathis | Informational | May 1998 |
| 2661 | Layer Two Tunneling Protocol "L2TP"W. Townsley, A. Valencia, A. Rubens, G. Pall, G. Zorn, B. Palter | Proposed Standard | August 1999 |
| 2679 | A One-way Delay Metric for IPPMG. Almes, S. Kalidindi, M. Zekauskas · obsoleted by RFC 7679 | Proposed Standard | September 1999 |
| 2784 | Generic Routing Encapsulation (GRE)D. Farinacci, T. Li, S. Hanks, D. Meyer, P. Traina | Proposed Standard | March 2000 |
| 3931 | Layer Two Tunneling Protocol - Version 3 (L2TPv3)J. Lau, Ed., M. Townsley, Ed., I. Goyret, Ed. | Proposed Standard | March 2005 |
| 4448 | Encapsulation Methods for Transport of Ethernet over MPLS NetworksL. Martini, Ed., E. Rosen, N. El-Aawar, G. Heron | Proposed Standard | April 2006 |
| 4459 | MTU and Fragmentation Issues with In-the-Network TunnelingP. Savola | Informational | April 2006 |
| 4656 | A One-way Active Measurement Protocol (OWAMP)S. Shalunov, B. Teitelbaum, A. Karp, J. Boote, M. Zekauskas | Proposed Standard | September 2006 |
| 4719 | Transport of Ethernet Frames over Layer 2 Tunneling Protocol Version 3 (L2TPv3)R. Aggarwal, Ed., M. Townsley, Ed., M. Dos Santos, Ed. | Proposed Standard | November 2006 |
| 4928 | Avoiding Equal Cost Multipath Treatment in MPLS NetworksG. Swallow, S. Bryant, L. Andersson | Best Current Practice | June 2007 |
| 5357 | A Two-Way Active Measurement Protocol (TWAMP)K. Hedayat, R. Krzanowski, A. Morton, K. Yum, J. Babiarz | Proposed Standard | October 2008 |
| 5657 | Guidance on Interoperation and Implementation Reports for Advancement to Draft StandardL. Dusseault, R. Sparks | Best Current Practice | September 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 6410 | Reducing the Standards Track to Two Maturity LevelsR. Housley, D. Crocker, E. Burger | Best Current Practice | October 2011 |