Date: Wed, 31 Oct 2012 16:57:16 +0100 From: =?ISO-8859-1?Q?Ermal_Lu=E7i?= <eri@freebsd.org> To: "tsaregorodtsev.denis@itmh.ru" <tsaregorodtsev.denis@itmh.ru> Cc: freebsd-net@freebsd.org Subject: Re: IPv6 aliases don't work on carp interface Message-ID: <CAPBZQG0JeViWaVBT7DvsnnXgqGAsaCRD25gZWUHNZhbLQ2JN=Q@mail.gmail.com> In-Reply-To: <509117E4.3000809@itmh.ru> References: <5090E884.4090901@itmh.ru> <CAPBZQG1VnSENUzUaOwv8AP9LyL6jJc%2Bvxe_E6VWK3H2y4uowsw@mail.gmail.com> <509117E4.3000809@itmh.ru>
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On Wed, Oct 31, 2012 at 1:21 PM, tsaregorodtsev.denis@itmh.ru <tsaregorodtsev.denis@itmh.ru> wrote: > On 31.10.2012 16:42, Ermal Lu=E7i wrote: >> >> On Wed, Oct 31, 2012 at 9:59 AM, tsaregorodtsev.denis@itmh.ru >> <tsaregorodtsev.denis@itmh.ru> wrote: >>> >>> Hi, >>> I've run into a problem while adding IPv6 aliases on carp interface on >>> FreeBSD 8.1. >>> All IPv6 aliases on carp interface are unreachable from other devices b= ut >>> the first IPv6 on carp interface works well. >>> >>> # ifconfig >>> em0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metri= c 0 >>> mtu >>> 1500 >>> options=3D9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM= > >>> ether 00:50:56:ad:00:5f >>> inet 172.16.249 netmask 0xffffff00 broadcast 255.255.255.224 >>> inet6 2001:db8:af:ff01:1:be60:80:700 prefixlen 64 >>> nd6 options=3D3<PERFORMNUD,ACCEPT_RTADV> >>> media: Ethernet autoselect (1000baseT <full-duplex>) >>> status: active >>> ipfw0: flags=3D8801<UP,SIMPLEX,MULTICAST> metric 0 mtu 65536 >>> lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384 >>> options=3D3<RXCSUM,TXCSUM> >>> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3 >>> inet6 ::1 prefixlen 128 >>> inet 127.0.0.1 netmask 0xff000000 >>> nd6 options=3D3<PERFORMNUD,ACCEPT_RTADV> >>> carp0: flags=3D49<UP,LOOPBACK,RUNNING> metric 0 mtu 1500 >>> inet6 2001:db8:af:ff01:1:be60:80:70f prefixlen 128 >>> inet6 2001:db8:af:ff01:1:be60:80:70e prefixlen 128 >>> nd6 options=3D3<PERFORMNUD,ACCEPT_RTADV> >>> carp: MASTER vhid 250 advbase 1 advskew 0 >>> >>> # ping6 2001:db8:af:ff01:1:be60:80:70f >>> PING 2001:db8:af:ff01:1:be60:80:70f(2001:db8:af:ff01:1:be60:80:70f) 56 >>> data >>> bytes >>> 64 bytes from 2001:db8:af:ff01:1:be60:80:70f: icmp_seq=3D1 ttl=3D59 >>> time=3D0.793 >>> ms >>> 64 bytes from 2001:db8:af:ff01:1:be60:80:70f: icmp_seq=3D2 ttl=3D59 >>> time=3D0.837 >>> ms >>> >>> # ping6 2001:db8:af:ff01:1:be60:80:70e >>> 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=3D1 Destination unreachable: >>> Address >>> unreachable From 2001:db8:af:ff00::1 icmp_seq=3D4 Destination unreachab= le: >>> Address unreachable >>> >>> If I delete both IPs and add inet6 2001:db8:af:ff01:1:be60:80:70e befor= e >>> inet6 2001:db8:af:ff01:1:be60:80:70f then 2001:db8:af:ff01:1:be60:80:70= e >>> does work and 2001:db8:af:ff01:1:be60:80:70f does not. >>> >>> I googled this issue and found a >>> >>> patchhttp://lists.freebsd.org/pipermail/freebsd-net/2011-August/029619.= html >>> 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. >>> >>> Best Regards, >>> Tsaregorodtsev Denis >>> >> On pfSense there is a patch carp_ip_aliasfix.diff found here >> >> https://github.com/bsdperimeter/pfsense-tools/tree/master/patches/RELENG= _8_3 >> Though the problem with that is that you have to apply many patches >> before it can be applied as well. > > Thank you for your answers. > Ermal I have several questions. Does carp_ip_alias_fix.diff solve the > problem with IPv6 aliases on carp interfaces? > To apply this patch I need to apply certain patches before. Is there a > complete list of these patches and the sequence order? The list of patches is https://github.com/bsdperimeter/pfsense-tools/blob/master/builder_scripts/p= atches.RELENG_8_3 Just use the ones with carp in the name. In pfSense carp ip aliases work quite ok on both v4 and v6. > >>> _______________________________________________ >>> 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" >> >> >> > --=20 Ermal
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