On Jul 5, 2012, at 6:17 PM, valdis.kletni...@vt.edu wrote: > On Thu, 05 Jul 2012 15:05:01 -0600, Derek Andrew said: >> Isn't MTU discovery on IP and not TCP? > > AIX actually supported PMTUD for UDP. Not sure if it still does. Yes, it was > bizarro even for AIX. No, I'm not aware of any actual UDP applications that > were able to do anything useful with this info. ;) >
Think IPSEC NAT Traversal over UDP and/or Teredo. (Yes, Teredo is ugly and should be banned from any legitimate network, but...) Owen
