10 Mar
2016
10 Mar
'16
9:58 a.m.
On Wed, Mar 9, 2016 at 9:27 AM, joel jaeggli <joelja@bogus.com> wrote:
PMTU blackhole detection implemented in all hosts. IPv4 is lost cause in
my opinion (although it's strange how many hosts that seem to get away with 1492 (or is it 1496) MTU because they're using PPPoE).
if your adv_mss is set accordingly you can get away with a lot.
At least for TCP. EDNS with sizes > 14xx bytes just plain doesn't universally work across the internet, yet it's the default everywhere.