Date: Mon, 24 Dec 2012 06:07:03 +0200 From: Kimmo Paasiala <kpaasial@gmail.com> To: =?UTF-8?Q?=C5=81ukasz_W=C4=85sikowski?= <lukasz@wasikowski.net> Cc: Ben Morrow <ben@morrow.me.uk>, FreeBSD current <freebsd-current@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: ipv6_addrs_IF aliases in rc.conf(5) Message-ID: <CA%2B7WWSdUFc1Xp-KikDjk2yRHP7S41Uxy3SdOrKZyP%2BcR7mp0KA@mail.gmail.com> In-Reply-To: <50D5F296.9050109@wasikowski.net> References: <50D1C553.9060100@wasikowski.net> <CA%2B7WWSewg%2BQqcn1L508tAiBY1zLQfne6AC6w7oAco3y=efcX9w@mail.gmail.com> <CA%2B7WWSeibFGNSwtjUeK-U6irj6axGftAHJC2eYU3tQoeM0JRpA@mail.gmail.com> <20121220132750.GB99616@stack.nl> <CA%2B7WWSdqjkZq1y0dyxV9LiycNA0V%2BCyEKt9x0d%2BWJaaWC4SXSg@mail.gmail.com> <CA%2B7WWSc-VwdmYBEtZwO03x-p2o7-eUr9bWrhMhjBCUSah_0v_A@mail.gmail.com> <50D4F2E4.7020600@wasikowski.net> <CA%2B7WWSc9sR74RT=oMT8uSBmNYrK-80t7Y8KKZx9JxuVE4drXBA@mail.gmail.com> <CA%2B7WWSdM=45i5knYHUa_Nq=2dta4ek8Q%2Bp3g_Bf697d7_i__QA@mail.gmail.com> <CA%2B7WWSc9ORJQnvaVA0QVnwf4i=wEJ-%2BcYiOqQK3wDUDzL=TGTA@mail.gmail.com> <20121222171400.GA2399@anubis.morrow.me.uk> <50D5F296.9050109@wasikowski.net>
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On Sat, Dec 22, 2012 at 7:49 PM, =C5=81ukasz W=C4=85sikowski <lukasz@wasikowski.net> wrote: > W dniu 2012-12-22 18:14, Ben Morrow pisze: >> Quoth =3D?UTF-8?B?xYF1a2FzeiBXxIVzaWtvd3NraQ=3D=3D?=3D <lukasz@wasikowsk= i.net>: >>> W dniu 2012-12-22 04:41, Kimmo Paasiala pisze: >>> >>>> Yeah, this is problem in network.subr. An interface is not recognized >>>> as IPv6 capable if the interface is not in "ipv6_network_interfaces" >>>> and there's no "ifconfig_IF_ipv6" in rc.conf(5), bummer. For IPv4 it >>>> "just works" because the interface is always assumed to be IPv4 >>>> capable. >>> >>> Ok, I used ifconfig_em0_ipv6=3D"up" and it worked. So it looks like thi= s: >> >> The documented way to do this is to just set the link-local address in >> ifconfig_IF_ipv6, since an interface is required to have a link-local >> address. Either configure an fe80:: address explicitly or set >> >> ifconfig_em0_ipv6=3D"inet6 auto_linklocal" >> >> Alternatively, if you set ipv6_activate_all_interfaces all interfaces >> will be considered IPv6-capable. > > link-local address is assigned by default, even with ifconfig_IF_ipv6=3D"= up". > > root@freebsd:~ # grep -Ev '^[[:space:]]*#|^$' /etc/rc.conf ; ifconfig > em0 | grep -E '^[[:space:]]*inet6' | head -2 > hostname=3D"freebsd" > ifconfig_em0=3D"up" > ipv4_addrs_em0=3D"192.168.168.20-24/24" > defaultrouter=3D"192.168.168.1" > ipv6_network_interfaces=3D"em0" > ipv6_defaultrouter=3D"2001:6a0:1cb::ffff" > ifconfig_em0_ipv6=3D"up" > ipv6_addrs_em0=3D"2001:6a0:1cb::1-e/128" > sshd_enable=3D"YES" > dumpdev=3D"NO" > named_enable=3D"YES" > inet6 fe80::a00:27ff:fe02:8371%em0 prefixlen 64 scopeid 0x1 > inet6 2001:6a0:1cb::1 prefixlen 128 > > Of course using "inet6 auto_linklocal" instead of "up" seems a better > way to do it, thank you for this tip. > > -- > best regards, > Lukasz Wasikowski I have put up the patch at github as: https://gist.github.com/4362018 This version should work with just the ipv6_addrs_IF in rc.conf(5). I changed the detection of ipv6 interfaces so that just having the ipv6_addrs_IF line is enough. -Kimmo
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