Hi MX510. Can you ask TM will they allocating static IPv6 prefix higher than /64 for home user?

This is the most important thing that i want to know.

Thank you.

Oh I didn't know they would add those rules automatically. Mine doesn't add them for IPv4. In Linux, the MTU mangling is normally done in rp-pppoe userspace client, so it isn't necessary to create iptables rules. I don't know if Mikrotik uses the same pppoe client implementation.

So now I understand what you mean by "manually". What I meant wasn't automatic as in remove the need to manually add clamping rules. Just to remove the manual MSS calculation, by using a rule like: