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Date:      Sat, 7 Jan 2006 21:01:19 -0800 (PST)
From:      kamal kc <kamal_ckk@yahoo.com>
To:        freebsd <freebsd-net@freebsd.org>
Subject:   Re: increasing the ethernet MTU greater than 1500 (1502)
Message-ID:  <20060108050119.46345.qmail@web30013.mail.mud.yahoo.com>
In-Reply-To: <018e01c6135e$4c25b130$42764eca@ilo.skyinet.net>

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> 
> > i don't want to fragment the packet as i think
> > that is too much overhead for 2 bytes. rather i
> > want to increase the mtu.
> 
> why increase the mtu when you can decrease it? one
> good example is the 
> PPPoE... default mtu size of pppoe is 1492 because
> of the 6 bytes pppoe 
> header and 2 bytes ppp protocol id to fit into the
> default 1500 mtu of 
> ethernet.... therefore you set your mtu to 1498 to
> fit your 2 bytes extra 
> header :-> in that way you are safe from any
> violation of rfcs...

i had never thought that way, thanks and i will
try decreasing MTU to 1498.

that was a great help indeed !!!

kamal 





		
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