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Hi Tom,<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;can you explain me what is Assign X3, Do you want me to add the secondary IP to the WAN2 port.
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Best solution provided. No more other questions from author
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Hi, <br />
&nbsp; &nbsp; &nbsp;I have Sonicwall firewall at location A and fortinet 60D firewall at location B.<br />
And both the device's are connected with site-to-site VPN tunnel.<br />
In location B, I have two WAN ports connected to internet , In which WAN1 is connected to the Sonicwall. <br />
If internet connection drops in WAN1 VPN gets disconnected.Both the WAN ports has Static IP address.<br />
<br />
1)How can I switch to WAN2 and connect to the existing VPN when WAN1 disconnects?<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;or<br />
2)Should I create a new VPN connection using WAN2 to the Sonicwall firewall.<br />
&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; or <br />
3) Please let me know is there any best way to switch automatically to another WAN and keep the VPN up running.
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Hi, 
     I have Sonicwall firewall at location A and fortinet 60D firewall at location B.
And both the device's are connected with site-to-site VPN tunnel.
In location B, I have two WAN ports connected to internet , In which WAN1 is connected to the Sonicwall. 
If internet connection drops in WAN1 VPN gets disconnected.Both the WAN ports has Static IP address.

1)How can I switch to WAN2 and connect to the existing VPN when WAN1 disconnects?
                                                                     or
2)Should I create a new VPN connection using WAN2 to the Sonicwall firewall.
                                                                    or 
3) Please let me know is there any best way to switch automatically to another WAN and keep the VPN up running.

Site-to-site VPN

Fortinet

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.