Am 23.05.2013 17:53, schrieb Chris Bagnall:
On 23/5/13 4:50 pm, Vick Khera wrote:
Still, what happens if site 1 wan1 goes down, and site 2 wan 2 goes down?

I suppose theoretically you could have 4 VPNs:
1 - 1
1 - 2
2 - 1
2 - 2

Though the OSPF rules to do that would be... interesting, to say the least :-)

Kind regards,

Chris
You could set up two server on different ports which listen on both WANs.
On the client side you set as destination a failover pool (openVPN itself offers this functionality).

So it would be:
Client_L1 -> Server_L1 (backup Server_L2)
Client_L2 -> Server_L2 (backup Server_L1)

If it's only two sites you can even reverse one link, and bind the servers on both sides to both links.
Server on both sides
Client_L1 -> Server_L1 (backup Server_L2)
Server_L2 <- Client_L2 (backup Server_L1)

I would make sure that the two transfer subnets were different and then use the loadbalancer to increase traffic between the two sites.
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