Date: Thu, 09 Dec 2004 13:53:27 +0900 From: JINMEI Tatuya / =?ISO-2022-JP?B?GyRCP0BMQEMjOkgbKEI=?= <jinmei@isl.rdc.toshiba.co.jp> To: "Konstantin KABASSANOV" <Konstantin.Kabassanov@lip6.fr> Cc: net@freebsd.org Subject: Re: the correct ipv6 behavior for interfaces with gif tunnel on them Message-ID: <y7vu0qwgji0.wl@ocean.jinmei.org> In-Reply-To: <003101c4dd20$8ab9f070$8748e384@ipv6.lip6.fr> References: <003101c4dd20$8ab9f070$8748e384@ipv6.lip6.fr>
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>>>>> On Wed, 8 Dec 2004 13:22:10 +0100, >>>>> "Konstantin KABASSANOV" <Konstantin.Kabassanov@lip6.fr> said: > I have a freebsd box with a gif tunnel configured. I observed that even if > ifconfig displays MTU 1500 for both gif and physical interface, 1300 bytes > ipv6 packets transiting on the gif interface are systematically fragmented > while transiting on the lower physical interface to 1280 bytes. Is it the > normal behavior? Please provide more detailed network configuration. Are you talking about a router box forwarding packets onto gif and physical interfaces? Please also specify the OS name (which I guess is FreeBSD) and its version. JINMEI, Tatuya Communication Platform Lab. Corporate R&D Center, Toshiba Corp. jinmei@isl.rdc.toshiba.co.jp
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