by made it a bit easier: assume 1280 unless pmtud is able to show otherwise. V4 ... | Hacker News

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		zamadatix on June 29, 2021 \| parent \| context \| favorite \| on: How 1500 bytes became the MTU of the Internet (202... by made it a bit easier: assume 1280 unless pmtud is able to show otherwise. V4 had something similar with 576 but it was a bit too small to just default to and started out before pmtud was settled so couldn't mandate it

rubatuga on June 29, 2021 | [–]

Yep 1280 is the minimum for IPv6. Cloudflare used to do 1280, but then they said good riddance and increased it (for better efficiency)

https://blog.cloudflare.com/increasing-ipv6-mtu/

zamadatix on June 29, 2021 | [–]

"by"=what my phone thinks IPv6 should be.

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