Date: Tue, 28 Jan 2014 14:18:59 +0100 From: =?ISO-8859-1?Q?Ermal_Lu=E7i?= <eri@freebsd.org> To: Ole Myhre <ole@dataoppdrag.no> Cc: freebsd-net <freebsd-net@freebsd.org> Subject: Re: carp and rtadvd Message-ID: <CAPBZQG2VQStkTW1wLJQiQZvGRnoOmFzf9zynHXXtv1A3ngucxg@mail.gmail.com> In-Reply-To: <52E7AB9B.5050707@dataoppdrag.no> References: <52E7AB9B.5050707@dataoppdrag.no>
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On Tue, Jan 28, 2014 at 2:07 PM, Ole Myhre <ole@dataoppdrag.no> wrote: > Hi, > > I have a simple setup with two 10.0-RELEASE firewalls running carp, a > virtual IPv6 address and running rtadvd: > > (applied to both firewalls) > > # kldload carp > # ifconfig em2 inet6 2001:db8::1/64 vhid 1 up > # sysctl net.inet6.ip6.forwarding=1 > # echo 'rtadvd_enable="YES"' >> /etc/rc.conf > # echo 'rtadvd_interfaces="em2"' >> /etc/rc.conf > # service rtadvd start > > This works fine, one firewall is MASTER, the other BACKUP and the > clients behind em2 gets a prefix in the 2001:db8::/64 subnet. However > both firewalls are sending router advertisements (only one being MASTER) > with the LL-address of the physical em2 interface as the gateway. This > causes clients that supports multiple default gateways to select both > firewalls as their default gateway, and sending traffic to both the > MASTER and BACKUP firewall. > > Is there a way to make only the MASTER send router advertisements or > (preferably only the MASTER) sending router advertisements with a > virtual LL-address? > > You have to use the rtadvd patched from pfSense. Look at our tools repo to get the code. > Thanks, > Ole Myhre > _______________________________________________ > 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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