NAT and MTU
Brent Wiese
brently at bjwcs.com
Wed Jul 9 14:19:32 PDT 2003
> 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.
>
I never messed w/ NAT enough to have learned this. There's always something
to learn!
Thanks to all who responded.
Brent
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