Date: Wed, 12 Jan 2005 14:44:29 -0800 From: "Kevin Oberman" <oberman@es.net> To: JINMEI Tatuya / =?ISO-2022-JP?B?GyRCP0BMQEMjOkgbKEI=?= <jinmei@isl.rdc.toshiba.co.jp> Cc: nesg@es.net Subject: Re: [nesg] Re: IPv6 TCP transfers are hanging Message-ID: <20050112224429.D590B5D08@ptavv.es.net> In-Reply-To: Your message of "Wed, 12 Jan 2005 12:00:36 PST." <20050112200036.B058C5D07@ptavv.es.net>
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Tatuya-san, I think this is almost certainly a network issue. I suspect that the MTU is really NOT 1500. It's probably a couple of bytes less due to tunneling or something similar. Unfortunately when I tried ping6 to test with various packet sizes, my FreeBSD 5.3-Stable box did a reboot. (No panic or dump.) Not very nice. Guess I need to look at this. Sorry to have wasted people's time on this. If it turns out that I am wrong about this, I'll send another report. Thanks for your time! -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634
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