Date: Sat, 7 Jan 2006 15:45:14 +0800 From: "fooler" <fooler@skyinet.net> To: "kamal kc" <kamal_ckk@yahoo.com>, "freebsd" <freebsd-net@freebsd.org> Subject: Re: increasing the ethernet MTU greater than 1500 (1502) Message-ID: <018e01c6135e$4c25b130$42764eca@ilo.skyinet.net> References: <20060106071807.87771.qmail@web30008.mail.mud.yahoo.com>
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----- Original Message ----- From: "kamal kc" <kamal_ckk@yahoo.com> To: "freebsd" <freebsd-net@freebsd.org> Sent: Friday, January 06, 2006 3:18 PM Subject: increasing the ethernet MTU greater than 1500 (1502) > 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... fooler.
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