> RFC 4821 PMTUD is that "negotiation" that is "lacking". It is there. > It is deployed. It actually works. No more relying on someone sending > the ICMP packets through in order for PMTUD to work!
For some value of "works". There are way too many places filtering ICMP for PMTUD to work consistently. PMTUD is *not* the solution, unfortunately. Steinar Haug, Nethelp consulting, sth...@nethelp.no
