How to VPN IPESec Fortinet for Azure Cloud.
ISO 5.4
http://cookbook.fortinet.com/ipsec-vpn-microsoft-azure-54/
Gateway
Nat Traversal “Disable”
Dead Peer Detection “On idle”
IKE “V2”
Phase1
Encryption “AES128”
Authentication “SHA256”
Diffie-Hellman Group “2”
Key Lifetime (seconds) “28800”
Phase2
Encryption “AES128”
Authenticaton “SHA256”
(PFS) “Disable”
Local Port “Enable”
Remote Port “Enable”
Protocol “Enable”
Auto-negotiate “Disable”
Auto Keep Alive “Disable”
Key Lifetime “seconds”
Seconds “27000”
IOS 5.2
http://cookbook.fortinet.com/download/3127
Gateway
Nat Traversal “Disable”
Dead Peer Detection “Disable”
IKE “V2”
Phase1
Encryption “AES128”
Authentication “SHA1”
Encryption “AES256”
Authentication “SHA256”
Diffie-Hellman Group “2”
Key Lifetime (seconds) “56600”
Phase2
Encryption “AES128”
Authentication “SHA1”
Encryption “AES256”
Authentication “SHA256”
Enable replay Detaction “Disable”
(PFS) “Disable”
Local Port “Enable”
Remote Port “Enable”
Protocol “Enable”
Auto-negotiate “Disable”
Auto Keep Alive “Disable”
Key Lifetime “seconds”
Seconds “2900” “Segunda suporte Microsoft esses valores devem ser maiores que do Azure”
Best Regards.