Date: Wed, 31 Oct 2012 11:43:45 +0100 From: =?ISO-8859-1?Q?Ermal_Lu=E7i?= <eri@freebsd.org> To: Gleb Smirnoff <glebius@freebsd.org> Cc: "tsaregorodtsev.denis@itmh.ru" <tsaregorodtsev.denis@itmh.ru>, freebsd-net@freebsd.org Subject: Re: IPv6 aliases don't work on carp interface Message-ID: <CAPBZQG0YWZUciT5ik%2BxLw_m7HjCPLF=_v6kpoZqhAE2Th%2BkBTA@mail.gmail.com> In-Reply-To: <20121031095642.GN70741@FreeBSD.org> References: <5090E884.4090901@itmh.ru> <20121031095642.GN70741@FreeBSD.org>
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On Wed, Oct 31, 2012 at 10:56 AM, Gleb Smirnoff <glebius@freebsd.org> wrote: > Denis, > > On Wed, Oct 31, 2012 at 02:59:48PM +0600, tsaregorodtsev.denis@itmh.ru wrote: > t> I've run into a problem while adding IPv6 aliases on carp interface on FreeBSD 8.1. > t> All IPv6 aliases on carp interface are unreachable from other devices but the first IPv6 on carp interface works well. > t> > t> # ifconfig > t> em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 > t> options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM> > t> ether 00:50:56:ad:00:5f > t> inet 172.16.249 netmask 0xffffff00 broadcast 255.255.255.224 > t> inet6 2001:db8:af:ff01:1:be60:80:700 prefixlen 64 > t> nd6 options=3<PERFORMNUD,ACCEPT_RTADV> > t> media: Ethernet autoselect (1000baseT <full-duplex>) > t> status: active > t> ipfw0: flags=8801<UP,SIMPLEX,MULTICAST> metric 0 mtu 65536 > t> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 > t> options=3<RXCSUM,TXCSUM> > t> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3 > t> inet6 ::1 prefixlen 128 > t> inet 127.0.0.1 netmask 0xff000000 > t> nd6 options=3<PERFORMNUD,ACCEPT_RTADV> > t> carp0: flags=49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500 > t> inet6 2001:db8:af:ff01:1:be60:80:70f prefixlen 128 > t> inet6 2001:db8:af:ff01:1:be60:80:70e prefixlen 128 > t> nd6 options=3<PERFORMNUD,ACCEPT_RTADV> > t> carp: MASTER vhid 250 advbase 1 advskew 0 > t> > t> # ping6 2001:db8:af:ff01:1:be60:80:70f > t> PING 2001:db8:af:ff01:1:be60:80:70f(2001:db8:af:ff01:1:be60:80:70f) 56 data bytes > t> 64 bytes from 2001:db8:af:ff01:1:be60:80:70f: icmp_seq=1 ttl=59 time=0.793 ms > t> 64 bytes from 2001:db8:af:ff01:1:be60:80:70f: icmp_seq=2 ttl=59 time=0.837 ms > t> > t> # ping6 2001:db8:af:ff01:1:be60:80:70e > t> PING 2001:db8:af:ff01:1:be60:80:70e(2001:db8:af:ff01:1:be60:80:70e) 56 data bytes From 2001:db8:af:ff00::1 icmp_seq=1 Destination unreachable: Address unreachable From 2001:db8:af:ff00::1 icmp_seq=4 Destination unreachable: Address unreachable > t> > t> If I delete both IPs and add inet6 2001:db8:af:ff01:1:be60:80:70e before inet6 2001:db8:af:ff01:1:be60:80:70f then 2001:db8:af:ff01:1:be60:80:70e does work and 2001:db8:af:ff01:1:be60:80:70f does not. > t> > t> I googled this issue and found a patchhttp://lists.freebsd.org/pipermail/freebsd-net/2011-August/029619.html > t> I've tried to apply it but the problem still exists. I've tested this issue on FreeBSD9.1 RC2 as well and there was the same problem. > > This should work on 10-CURRENT, where the carp(4) had been significantly rewritten. > Just to correct the marketing! You have change the interface of carp(4) with the operation system interaction but not re-written carp(4). To me these are different things. > -- > Totus tuus, Glebius. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" -- Ermal
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