On Tue, 09 Apr 2024 22:04:41 +0000 Slavko wrote: > RFC 9293, sect. 3.7.1 By asking "What about the RFC" I didn't mean "Which RFC sets the numbers". I meant "Why do you use the same MSS for IPv4 and IPv6, considering the RFC explains they are different?" > AFAIK main problem of too low MSS is CPU increase, This is how I understand it too. Wikipedia calls it "protocol overhead". I don't know if there are other implications though (e.g. OS fingerprinting or something else). > using IPv4 limit for both solves corner cases... How? The two corner cases are different and 1220 is > x2 than 536, i.e. very far from the "corner" (limit), i.e. it would not improve efficiency.
