VPN / Bridge
freebsd-listen at fabiankeil.de
Tue Jan 24 08:28:11 PST 2006
Bob Kersten <bob at fellownet.com> wrote:
> I've been trying to create a tunnel/bridge between two networks
> which both reside behind a FreeBSD router using NAT. I've achieved it
> using the handbook example in chapter 14.10. Clients on network A are
> able to ping clients on network B and clients on network A are able
> to map samba shares on the NAT box/gateway of network B. The example
> however uses two different subnets to route traffic between both
> networks. Unfortunately broadcasts will not travel through the tunnel
> which causes Apple's bonjour (called rendezvous earlier) not being
> able to discover clients on the other network.
> 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:
> network A
> range 192.168.100.100 - 192.168.100.199 / 255.255.255.0
> FreeBSD gateway A
> en1: IP: 192.168.100.101 / 255.255.255.0
> en0: public IP: 22.214.171.124
> FreeBSD gateway B
> en0: public IP: 126.96.36.199
> en1: IP: 192.168.100.1 / 255.255.255.0
> Network B
> range 192.168.100.1 - 192.168.100.99 / 255.255.255.0
> Using the example from the handbook there was no additional
> configuration necessary on the clients on both networks, the FreeBSD
> gateways handled all the necessary routing. It would be great if
> this new setup should also not require any additional settings on
> the clients aswell.
> Can anyone give me an example or the necessary steps to create this
> kind of VPN?
If you use FreeBSD 6.0 see man if_bridge, else see man bridge.
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