This chapter introduces and explains the features relevant to the FlexVPN client. The FlexVPN client is a Cisco IOS router-based VPN client positioned for remote offices and mobile workers to provide VPN connectivity to the corporate headquarters. The FlexVPN client leverages the IKEv2 configuration and the FlexVPN building blocks discussed in the earlier chapters. FlexVPN client uses a point-to-point tunnel interface with native IPsec or GRE encapsulation to connect to the FlexVPN server and supports EAP as a local authentication method along with pre-shared key and certificate-based authentication methods.
The chapter covers the following main topics: