On Sat, Nov 6, 2010 at 12:32 PM, George Bonser <gbon...@seven.com> wrote: >> I doubt that 1500 is (still) widely used in our Internet... Might be, >> though, that most of us don't go all the way to 9k. >> >> mh > > Last week I asked the operator of fairly major public peering points if they > supported anything larger than 1500 MTU. The answer was "no". >
There's still a metric buttload of SONET interfaces in the core that won't go above 4470. So, you might conceivably get 4k MTU at some point in the future, but it's really, *really* unlikely you'll get to 9k MTU any time in the next decade. Matt
