Date: Wed, 4 May 2011 05:19:56 +1000 From: Geoff Roberts <geoff@apro.com.au> To: freebsd-questions@freebsd.org Subject: Can I bridge the same subnet across a VPN? Message-ID: <201105040519.56695.geoff@apro.com.au>
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Hi,
Is it possible to join two sites with the same subnet across a VPN?
I have two sites that have the same subnet/mask.
I need these two separated networks to behave as one across a VPN.
All configuration examples I've come across so far assume that each site will
have a different subnet. Eg, one site with 192.168.1.0/24 the other with
192.168.2.0/24
I control the firewalls at each end. One will be a pfsense firewall, the other
an existing FreeBSD 7.4 system.
For example I would want to be able to do the following:
Site A Site B
------ ------
Firewall A 10.1.1.3 --------- Firewall B 10.1.1.4
| |
Subnet: 192.168.20.0/24 Subnet: 192.168.20.0/24
Happy to use either IPSec or OpenVPN to actually encrypt the traffic.
Kind regards,
Geoff
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