Date: Tue, 21 Aug 2007 16:31:26 +0200 From: Daniel Hartmeier <daniel@benzedrine.cx> To: Jacek Zapala <jacek@ipv6.jacek.it.pl> Cc: freebsd-net@freebsd.org Subject: Re: kern/115413: [ipv6] ipv6 pmtu not working Message-ID: <20070821143125.GB32421@insomnia.benzedrine.cx> In-Reply-To: <1187705811.30269.5.camel@localhost.localdomain> References: <200708211010.l7LAA6V7082258@freefall.freebsd.org> <20070821121118.GF27160@insomnia.benzedrine.cx> <1187703472.22531.4.camel@localhost.localdomain> <20070821135048.GA32421@insomnia.benzedrine.cx> <1187705811.30269.5.camel@localhost.localdomain>
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On Tue, Aug 21, 2007 at 04:16:51PM +0200, Jacek Zapala wrote: > I have disabled this on sending side (FreeBSD) and it started to work! Ah, so it's related to window scaling. Headaches again ;) Is the following a correct view of your setup: src ---- $int_if pf $ext_if ---- router ---- dst Where client src connects to server dst, and you create the state entry when the initial TCP SYN goes out $ext_if on the firewall? The ICMPv6 is coming in on $ext_if, in the reverse direction, relative to the initial TCP SYN? And the router is between pf and dst, on the $ext_if side? Daniel
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