There are 3 ways regarding authentication within IKEv1 and IKEv2. So we have, pre shared keys, rsa-enc and rsa-sign. Each of them provides different level of security. In this article we will focus on RSA based methods and we lab them out.
FlexVPN is being called “one to rule them all” and there is no exaggeration in this statement. VPN that allows you for site to site connection with the remained VPNs like VTI, DMVPN and by the way for remote access as well. Let’s break FlexVPN down based on site to site configuration.