Date: Thu, 8 May 1997 11:18:22 PDT From: Bill Fenner <fenner@parc.xerox.com> To: Tom Samplonius <tom@sdf.com> Cc: Bill Fenner <fenner@parc.xerox.com>, Shawn Carey <smc@servtech.com>, "Daniel O'Callaghan" <danny@panda.hilink.com.au>, freebsd-hackers@freebsd.org Subject: Re: FTP Performance Message-ID: <97May8.111829pdt.177486@crevenia.parc.xerox.com> In-Reply-To: Your message of "Wed, 07 May 97 23:58:38 PDT." <Pine.NEB.3.94.970507235728.29271B-100000@misery.sdf.com>
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Tom Samplonius <tom@sdf.com> wrote: > How would this misconfiguration occur? Just two routers with >mis-matched MTU/MRU sizes? No, the only way for PMTU discovery to fail is for a router to not return ICMP fragmentation required errors. I don't know how to configure a router to do this, since it's required by RFC1812, but perhaps there's a firewall in the way. Bill
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