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Date:      Fri, 28 Jan 2005 16:36:14 -0500
From:      Chuck Swiger <cswiger@mac.com>
To:        "Michael E.Conlen" <meconlen@obfuscated.net>
Cc:        FreeBSD Mailing List <freebsd-questions@freebsd.org>
Subject:   Re: pf and different MTUs
Message-ID:  <41FAB04E.9080606@mac.com>
In-Reply-To: <7dafe99c9578eecb24e826dc7226278b@obfuscated.net>
References:  <7dafe99c9578eecb24e826dc7226278b@obfuscated.net>

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Michael E.Conlen wrote:
> I'm using FreeBSD and PF as a firewall between two  networks. I want to 
> change the MTU on one network to 9k but I have to leave the MTU on the 
> other network at 1500 bytes. Will the system handle the fragmenting for 
> me going from the larger MTU to the smaller?

Sure.  However, if you have a lot of traffic using jumbo frames going over 
that 1500 MTU segment, you might be better off using an MTU of 1500 everywhere.

-- 
-Chuck



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