Microsoft Azure configuration

Azure IKEv2 (Route Based GW) Subnet to Subnet connection with libreswan using PSK Example 

Contributed by Amir Naftali of Fortycloud

conn conn2AzureRouteBasedGW
        authby=secret
        auto=start
        dpdaction=restart
        dpddelay=30
        dpdtimeout=120
        forceencaps=yes # not a must
        ike=aes256-sha1;modp1024
        ikelifetime=10800s
        ikev2=yes
        keyingtries=3
        left=%defaultroute
        leftid=<MY PUBLIC IP>
        leftsubnets=<Azure Local Network Gateway Subnets>
        pfs=yes
        phase2alg=aes128-sha1
        right=<Azure Route Based GW IP>
        rightid=<Azure Route Based GW IP>
        rightsubnets=<vNet Subnet>
        salifetime=3600s
        type=tunnel