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_by_peer
    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