Cisco FLEX VPN with IKEv2 Large customers deploying IPSec VPN over IP networks are faced with high complexity and high cost of deploying multiple types of VPN to meet different types of connectivity requirements. Customers often have to learn different types of VPNs to manage and operate different types of network. And once a technology is selected for a deployment, migrating or adding functionality to enhance the VPN is often avoided. FlexVPN was created to simplify the deployment of VPNs, to address the complexity of multiple solutions, and as a unified ecosystem to cover all types of VPN: remote access, teleworker, site to site, mobility, managed security services, and others. Cisco IOS FlexVPN Features and Benefits: Cisco IOS FlexVPN is a unified VPN solution and provides the following benefits: ● Scalability: IKEv2 provides scalability feature with the help of IKEv2 Proposal, in which we can use multiple integrity, encryption & DH group types,