| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 3032 | MPLS Label Stack EncodingE. Rosen, D. Tappan, G. Fedorkow, Y. Rekhter, D. Farinacci, T. Li, A. Conta | Proposed Standard | January 2001 |
| 3985 | Pseudo Wire Emulation Edge-to-Edge (PWE3) ArchitectureS. Bryant, Ed., P. Pate, Ed. | Informational | March 2005 |
| 4090 | Fast Reroute Extensions to RSVP-TE for LSP TunnelsP. Pan, Ed., G. Swallow, Ed., A. Atlas, Ed. | Proposed Standard | May 2005 |
| 4201 | Link Bundling in MPLS Traffic Engineering (TE)K. Kompella, Y. Rekhter, L. Berger | Proposed Standard | October 2005 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4378 | A Framework for Multi-Protocol Label Switching (MPLS) Operations and Management (OAM)D. Allan, Ed., T. Nadeau, Ed. | Informational | 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 |
| 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 |
| 4448 | Encapsulation Methods for Transport of Ethernet over MPLS NetworksL. Martini, Ed., E. Rosen, N. El-Aawar, G. Heron | Proposed Standard | April 2006 |
| 4553 | Structure-Agnostic Time Division Multiplexing (TDM) over Packet (SAToP)A. Vainshtein, Ed., YJ. Stein, Ed. | Proposed Standard | June 2006 |
| 4928 | Avoiding Equal Cost Multipath Treatment in MPLS NetworksG. Swallow, S. Bryant, L. Andersson | Best Current Practice | June 2007 |
| 5085 | Pseudowire Virtual Circuit Connectivity Verification (VCCV): A Control Channel for PseudowiresT. Nadeau, Ed., C. Pignataro, Ed. | Proposed Standard | December 2007 |
| 5286 | Basic Specification for IP Fast Reroute: Loop-Free AlternatesA. Atlas, Ed., A. Zinin, Ed. | Proposed Standard | September 2008 |
| 5462 | Multiprotocol Label Switching (MPLS) Label Stack Entry: "EXP" Field Renamed to "Traffic Class" FieldL. Andersson, R. Asati | Proposed Standard | February 2009 |
| 5654 | Requirements of an MPLS Transport ProfileB. Niven-Jenkins, Ed., D. Brungard, Ed., M. Betts, Ed., N. Sprecher, S. Ueno | Proposed Standard | September 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5880 | Bidirectional Forwarding Detection (BFD)D. Katz, D. Ward | Proposed Standard | June 2010 |
| 5920 | Security Framework for MPLS and GMPLS NetworksL. Fang, Ed. | Informational | July 2010 |