In the last episode (Jul 08), Brent Wiese said:
> I have a machine that is being double-NAT'd.
> Would it make sense to set the MTU lower to account for the NAT
> overhead?
> It makes sense to me as I know MTU, but I like to check in case my
> thinking isn't right. :)

There is no overhead; all NAT does is rewrite IP addresses in the
header (and in some data packets of certain protocols like FTP).  It
adds no extra data.

        Dan Nelson
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