Date: Wed, 25 Jan 2006 11:57:37 +0100 From: Fabian Keil <freebsd-listen@fabiankeil.de> To: Bob Kersten <bob@fellownet.com> Cc: freebsd-questions@freebsd.org Subject: Re: VPN / Bridge Message-ID: <20060125115737.6b3fc4e2@localhost> In-Reply-To: <37771069-F2EF-402A-9542-B6784F494AE7@fellownet.com> References: <E11CF724-B7BB-473B-B313-EBCFCB593424@fellownet.com> <20060124172803.398db141@localhost> <37771069-F2EF-402A-9542-B6784F494AE7@fellownet.com>
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CC'd to freebsd-questions@freebsd.org again.
Bob Kersten <bob@fellownet.com> wrote:
> On 24-jan-2006, at 17:28, Fabian Keil wrote:
>=20
> >> What I want to achieve is what I believe a bridge between both
> >> networks. The entire network A should be on the same subnet as
> >> network B:
>=20
> > If you use FreeBSD 6.0 see man if_bridge, else see man bridge.
>=20
> So i've create a tunnel device gif0 and have it set to tunnel
> between the two public ip addresses. I've got stuck when i've tried
> to add this gif0 device to the bridge. FreeBSD complained and said
> that gif0 was not an ethernet device.
>=20
> Maybe you have a step-by-step solution?
Maybe someone else could help you if you would post your FreeBSD
version, the commands you used and the exact error message.
ATM I don't use a VPN therefore I can't give you a known to work
step-by-step solution. However I couldn't reproduce your problem
on 6.0 with the following commands:
root@TP51 ~ #ifconfig gif0 tunnel 1.2.3.4 5.6.7.8 up
root@TP51 ~ #ifconfig bridge0 create
root@TP51 ~ #ifconfig bridge0 addm ndis0 addm gif0 up
root@TP51 ~ #ifconfig bridge0 =20
bridge0: flags=3D8043<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
ether ac:de:48:f4:4e:9c
priority 32768 hellotime 2 fwddelay 15 maxage 20
member: gif0 flags=3D3<LEARNING,DISCOVER>
member: ndis0 flags=3D3<LEARNING,DISCOVER>
BTW: man if_config says all members of the bridge are required to
have the same MTU, but ifconfig doesn't seem to check it.
My setup wouldn't work as gif0 has a MTU of 1280.
Fabian
--=20
http://www.fabiankeil.de/
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