Label Switched Path Ping and Traceroute Reply Mode Simplification
RFC 7737, “Label Switched Path Ping and Traceroute Reply Mode Simplification”, is a Proposed Standard document published in January 2016 by N. Akiya, G. Swallow, C. Pignataro, L. Andersson, M. Chen. It updates RFC 7110. The canonical text is published by the RFC Editor.
Abstract
The Multiprotocol Label Switching (MPLS) Label Switched Path (LSP) Ping and Traceroute use the Reply Mode field to signal the method to be used in the MPLS echo reply. This document updates the procedures for the "Reply via Specified Path" Reply Mode. The value of this Reply Mode is 5. The update creates a simple way to indicate that the reverse LSP should be used as the return path. This document also adds an optional TLV that can carry an ordered list of Reply Mode values.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 7737 is hosted at rfc-editor.org. Available in TXT,HTML.
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