Date: Mon, 26 Sep 2011 17:16:59 +0100 From: Matt Smith <matt@xtaz.co.uk> To: Gary Palmer <gpalmer@freebsd.org> Cc: freebsd-net@freebsd.org Subject: Re: gif interface not passing IPv6 packets Message-ID: <CAD0n1vH1cXCfj7W7RJKk90%2BrZfLuM5JNaRoa_0JgbC84GRyi3A@mail.gmail.com> In-Reply-To: <20110926160527.GD57708@in-addr.com> References: <CAD0n1vG0fvHMkBxxLRq0Y%2Bx9rDt5AXb4WZhq-oxuqpti4mQC7w@mail.gmail.com> <20110926132923.GB57708@in-addr.com> <CAD0n1vFB6h9h%2BBe9DOCwxi9aECBvkTvf8g7C_tsQxXXFv90XKw@mail.gmail.com> <20110926142114.GC57708@in-addr.com> <CAD0n1vESKKmBXPqud07TmhsUJeTecktPumLWuMxp=rDUk0NuBg@mail.gmail.com> <20110926160527.GD57708@in-addr.com>
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On 26 September 2011 17:05, Gary Palmer <gpalmer@freebsd.org> wrote: > > Not sure, however an experiment may be in order > > # ifconfig gif0 > ifconfig: interface gif0 does not exist > # ifconfig gif0 create > # ifconfig gif0 tunnel <lan IP> 1.2.3.4 > # ifconfig gif0 inet6 2abc::2 2abc::1 prefixlen 128 > # netstat -nr -f inet6 | grep 2abc > 2abc::1 link#8 UHL > gif0 > 2abc::2 link#8 UHL > lo0 > # ifconfig gif0 destroy > > See if your routing table is correct after the test you proposed earlier. > > Here we go: root@tao[~]# ifconfig vr0 inet6 2a01:348:294::1 prefixlen 64 -alias root@tao[~]# ifconfig gif0 destroy root@tao[~]# ifconfig gif0 ifconfig: interface gif0 does not exist Internet6: Destination Gateway Flags Netif Expire ::/96 ::1 UGRS lo0 ::1 ::1 UH lo0 ::ffff:0.0.0.0/96 ::1 UGRS lo0 (deleted fe80, ff01, ff02 to save space) root@tao[~]# ifconfig gif0 create root@tao[~]# ifconfig gif0 tunnel 192.168.1.2 1.2.3.4 root@tao[~]# ifconfig gif0 inet6 2abc::2 2abc::1 prefixlen 128 root@tao[~]# netstat -nr -f inet6 | grep 2abc 2abc::1 2abc::2 UH gif0 ff01:5::/32 2abc::2 U gif0 ff02::%gif0/32 2abc::2 U gif0 root@tao[~]# ping6 2abc::2 ping6: UDP connect: No route to host You see why I'm exceptionally confused now?!
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