RFC 1063: IP MTU discovery options

A pair of IP options that can be used to learn the minimum MTU of a path through an internet is described, along with its possible uses. This is a proposal…

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Outgoing relationships (3 related RFCs)

Informative reference — RFC 791: Internet Protocol
Informative reference — RFC 793: Transmission Control Protocol
Informative reference — RFC 879: The TCP Maximum Segment Size and Related Topics

Incoming relationships (7 related RFCs)

Obsoleted by — RFC 1191: Path MTU discovery
Informatively referenced by — RFC 5320: The Subnetwork Encapsulation and Adaptation Layer (SEAL)
Informatively referenced by — RFC 6814: Formally Deprecating Some IPv4 Options
Informatively referenced by — RFC 7126: Recommendations on Filtering of IPv4 Packets Containing IPv4 Options
Informatively referenced by — RFC 1127: Perspective on the Host Requirements RFCs
Informatively referenced by — RFC 1201: Transmitting IP traffic over ARCNET networks
Informatively referenced by — RFC 9268: IPv6 Minimum Path MTU Hop-by-Hop Option