Date: Tue, 8 Jul 2003 20:08:08 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Brent Wiese <brently@bjwcs.com> Cc: freebsd-questions@freebsd.org Subject: Re: NAT and MTU Message-ID: <20030709010808.GA39506@dan.emsphone.com> In-Reply-To: <0b9001c345b3$4ac98850$0a0114ac@home.bjwcs.com> References: <0b9001c345b3$4ac98850$0a0114ac@home.bjwcs.com>
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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 dnelson@allantgroup.com
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