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Sorry, but your question is incomprehensible to me (and probably also to other experts)<br />
<br />
Please try to rethink and simplify/rephrase your question.
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Sorry, but your question is incomprehensible to me (and probably also to other experts)

Please try to rethink and simplify/rephrase your question.

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Good day guys , <br />
i have two fortigate one in the HQ and other one in Brench <br />
in the first stage i have wan 1 and wan 2 in both side &quot;&nbsp;speicified link and ADSL for internet &quot;&nbsp;<br />
after that i made wan 3 ADSL also on fortigate of HQ and i make VPN ipsec between two sides <br />
probleme is ADSL 1 of wan 1 and ADSL 2 of wan 3 in fortigate of HQ &nbsp;don't work when the IP gateway is different , knowing that two adresses of ADSL found in same plage of my ISP ,<br />
if two adresses have same gateway ip adress work very well <br />
really &nbsp;i found that peculiar <br />
Fortigate 60 E <br />
version 5.6.2
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Good day guys , 
i have two fortigate one in the HQ and other one in Brench 
in the first stage i have wan 1 and wan 2 in both side " speicified link and ADSL for internet " 
after that i made wan 3 ADSL also on fortigate of HQ and i make VPN ipsec between two sides 
probleme is ADSL 1 of wan 1 and ADSL 2 of wan 3 in fortigate of HQ  don't work when the IP gateway is different , knowing that two adresses of ADSL found in same plage of my ISP ,
if two adresses have same gateway ip adress work very well 
really  i found that peculiar 
Fortigate 60 E 
version 5.6.2

multi wan dose'nt work on fortigate ?

Fortigate

Internet Protocol Security (IPsec) is a protocol suite for secure Internet Protocol (IP) communications by authenticating and encrypting each IP packet of a communication session. IPsec includes protocols for establishing mutual authentication between agents at the beginning of the session and negotiation of cryptographic keys to be used during the session. IPsec can be used in protecting data flows between a pair of hosts (host-to-host), between a pair of security gateways (network-to-network), or between a security gateway and a host (network-to-host). IPsec is an end-to-end security scheme operating in the Internet Layer of the Internet Protocol Suite.

Internet Protocol Security

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.