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 From:  Melvin <melvin at sleepydragon dot net>
 To:  John Crowley <jcrowley at gmx dot net>
 Cc:  Chris Buechler <cbuechler at gmail dot com>, m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] Trouble with ADSL+2
 Date:  Wed, 21 Jun 2006 23:05:19 -0400
John Crowley wrote:
> Took it to 1488. :)
> Tomorrow I will contact my ISP for that. I found no info on that issue
> on my ISP's website yet...
It is also possible that the problem isn't actually your ISP.  If you 
use the ping method of testing using the do not fragment flag you'll 
discover the maximum MTU regardless of where the bottle neck is 
located.  Auto-discovery is supposed to handle that for you, but many 
times it doesn't work.