anycast tunneling configuration utility
-e, --role <role> SATP uses different session keys for inbound and outbound traffic. The role parameter is used to determine which keys to use for outbound or inbound packets. On both sides of a vpn connection different roles have to be used. Possible values are left and right. You may also use alice or server as a replacement for left and bob or client as a replacement for right. By default left is used.