| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2277 | IETF Policy on Character Sets and LanguagesH. Alvestrand | Best Current Practice | January 1998 |
| 3032 | MPLS Label Stack EncodingE. Rosen, D. Tappan, G. Fedorkow, Y. Rekhter, D. Farinacci, T. Li, A. Conta | Proposed Standard | January 2001 |
| 3438 | Layer Two Tunneling Protocol (L2TP) Internet Assigned Numbers Authority (IANA) Considerations UpdateW. Townsley | Best Current Practice | December 2002 |
| 3931 | Layer Two Tunneling Protocol - Version 3 (L2TPv3)J. Lau, Ed., M. Townsley, Ed., I. Goyret, Ed. | Proposed Standard | March 2005 |
| 3985 | Pseudo Wire Emulation Edge-to-Edge (PWE3) ArchitectureS. Bryant, Ed., P. Pate, Ed. | Informational | March 2005 |
| 4023 | Encapsulating MPLS in IP or Generic Routing Encapsulation (GRE)T. Worster, Y. Rekhter, E. Rosen, Ed. | Proposed Standard | March 2005 |
| 4364 | BGP/MPLS IP Virtual Private Networks (VPNs)E. Rosen, Y. Rekhter | Proposed Standard | February 2006 |
| 4379 | Detecting Multi-Protocol Label Switched (MPLS) Data Plane FailuresK. Kompella, G. Swallow · obsoleted by RFC 8029 | Proposed Standard | February 2006 |
| 4385 | Pseudowire Emulation Edge-to-Edge (PWE3) Control Word for Use over an MPLS PSNS. Bryant, G. Swallow, L. Martini, D. McPherson | Proposed Standard | February 2006 |
| 4446 | IANA Allocations for Pseudowire Edge to Edge Emulation (PWE3)L. Martini | Best Current Practice | April 2006 |
| 4447 | Pseudowire Setup and Maintenance Using the Label Distribution Protocol (LDP)L. Martini, Ed., E. Rosen, N. El-Aawar, T. Smith, G. Heron · obsoleted by RFC 8077 | Proposed Standard | April 2006 |
| 4454 | Asynchronous Transfer Mode (ATM) over Layer 2 Tunneling Protocol Version 3 (L2TPv3)S. Singh, M. Townsley, C. Pignataro | Proposed Standard | May 2006 |
| 4623 | Pseudowire Emulation Edge-to-Edge (PWE3) Fragmentation and ReassemblyA. Malis, M. Townsley | Proposed Standard | August 2006 |
| 4667 | Layer 2 Virtual Private Network (L2VPN) Extensions for Layer 2 Tunneling Protocol (L2TP)W. Luo | Proposed Standard | September 2006 |
| 4717 | Encapsulation Methods for Transport of Asynchronous Transfer Mode (ATM) over MPLS NetworksL. Martini, J. Jayakumar, M. Bocci, N. El-Aawar, J. Brayley, G. Koleyni | Proposed Standard | December 2006 |
| 5003 | Attachment Individual Identifier (AII) Types for AggregationC. Metz, L. Martini, F. Balus, J. Sugimoto | Proposed Standard | September 2007 |
| 5036 | LDP SpecificationL. Andersson, Ed., I. Minei, Ed., B. Thomas, Ed. | Draft Standard | October 2007 |
| 5085 | Pseudowire Virtual Circuit Connectivity Verification (VCCV): A Control Channel for PseudowiresT. Nadeau, Ed., C. Pignataro, Ed. | Proposed Standard | December 2007 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5254 | Requirements for Multi-Segment Pseudowire Emulation Edge-to-Edge (PWE3)N. Bitar, Ed., M. Bocci, Ed., L. Martini, Ed. | Informational | October 2008 |
| 5641 | Layer 2 Tunneling Protocol Version 3 (L2TPv3) Extended Circuit Status ValuesN. McGill, C. Pignataro | Proposed Standard | August 2009 |
| 5659 | An Architecture for Multi-Segment Pseudowire Emulation Edge-to-EdgeM. Bocci, S. Bryant | Informational | October 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5920 | Security Framework for MPLS and GMPLS NetworksL. Fang, Ed. | Informational | July 2010 |