[Voyage-linux] Re: strange route / nat issue

Wayne Lee (spam-protected)
Sun Apr 11 04:47:07 HKT 2010


> It looks like bigger packets (> 1026 bytes) get lostdropped
> --
> GRTNX,
> RobJE

Hi Rob

With each protocol you run the usable window size for data gets reduced.
I've not looked at the .pcaps but do you know which device is dropping
the larger packets?, are you blocking all ICMP packet including the
"packet to large please fragment" (Sorry I've forgot the
proper/correct term and ICMP type for that and don't have full access
to the net at the moment) message.

Have a look at your MTU settings and test to see what the largest MTU
to can use before fragmenting packets.

Wayne




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