IPv6 Minimum Path MTU Hop-by-Hop Option, August 2022
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This document specifies a new IPv6 Hop-by-Hop Option that is used to record the Minimum Path MTU (PMTU) along the forward path between a source host to a destination host. The recorded value can then be communicated back to the source using the return Path MTU field in the Option.
For the definition of Status, see RFC 2026.
For the definition of Stream, see RFC 8729.