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

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