I think this is the wrong place to ask this question, but what you need is a router that supports OSPF or BGP as routing protocols.  Set your main WAN link as a higher cost than the backup.  Once one of the links fail the other will automatically pick it up.

You can get some Sonicwall or Cisco equipment for under 1K or if you want opensource get a buffalo router which has ddwrt or tomato which they both support this.

Thanks,

On Apr 23, 2014, at 7:21 PM, Lloyd Aloysius <lloyd.aloysius@gmail.com> wrote:

Hello All

This is not a freeswitch question. I am sorry.

But looking for a Dual WAN router suggestion? 

I try the pfSense and find a huge limitation, when WAN interface down. It keeps the firewall states and phones never able to connect through the second wan, unless someone clear the firewall rules manually.

Any suggestions appreciated

Thank you
LLoyd
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