| 4379 | Detecting Multi-Protocol Label Switched (MPLS) Data Plane FailuresK. Kompella, G. Swallow · obsoleted by RFC 8029 | Proposed Standard | February 2006 |
| 5085 | Pseudowire Virtual Circuit Connectivity Verification (VCCV): A Control Channel for PseudowiresT. Nadeau, Ed., C. Pignataro, Ed. | Proposed Standard | December 2007 |
| 5586 | MPLS Generic Associated ChannelM. Bocci, Ed., M. Vigoureux, Ed., S. Bryant, Ed. | Proposed Standard | June 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 |
| 5860 | Requirements for Operations, Administration, and Maintenance (OAM) in MPLS Transport NetworksM. Vigoureux, Ed., D. Ward, Ed., M. Betts, Ed. | Proposed Standard | May 2010 |
| 5880 | Bidirectional Forwarding Detection (BFD)D. Katz, D. Ward | Proposed Standard | June 2010 |
| 5884 | Bidirectional Forwarding Detection (BFD) for MPLS Label Switched Paths (LSPs)R. Aggarwal, K. Kompella, T. Nadeau, G. Swallow | Proposed Standard | June 2010 |
| 5920 | Security Framework for MPLS and GMPLS NetworksL. Fang, Ed. | Informational | July 2010 |
| 5921 | A Framework for MPLS in Transport NetworksM. Bocci, Ed., S. Bryant, Ed., D. Frost, Ed., L. Levrau, L. Berger | Informational | July 2010 |
| 6370 | MPLS Transport Profile (MPLS-TP) IdentifiersM. Bocci, G. Swallow, E. Gray | Proposed Standard | September 2011 |
| 6371 | Operations, Administration, and Maintenance Framework for MPLS-Based Transport NetworksI. Busi, Ed., D. Allan, Ed. | Informational | September 2011 |
| 6374 | Packet Loss and Delay Measurement for MPLS NetworksD. Frost, S. Bryant | Proposed Standard | September 2011 |
| 6375 | A Packet Loss and Delay Measurement Profile for MPLS-Based Transport NetworksD. Frost, Ed., S. Bryant, Ed. | Informational | September 2011 |
| 6426 | MPLS On-Demand Connectivity Verification and Route TracingE. Gray, N. Bahadur, S. Boutros, R. Aggarwal | Proposed Standard | November 2011 |
| 6427 | MPLS Fault Management Operations, Administration, and Maintenance (OAM)G. Swallow, Ed., A. Fulignoli, Ed., M. Vigoureux, Ed., S. Boutros, D. Ward | Proposed Standard | November 2011 |
| 6428 | Proactive Connectivity Verification, Continuity Check, and Remote Defect Indication for the MPLS Transport ProfileD. Allan, Ed., G. Swallow, Ed., J. Drake, Ed. | Proposed Standard | November 2011 |
| 6435 | MPLS Transport Profile Lock Instruct and Loopback FunctionsS. Boutros, Ed., S. Sivabalan, Ed., R. Aggarwal, Ed., M. Vigoureux, Ed., X. Dai, Ed. | Proposed Standard | November 2011 |