... Inc. Access VPN v1. 0 Internet Key Exchange Protocol -5 Internet Key Exchange (IKE) Internet Key Exchange (IKE)• Internet Key Exchange (RFC 2409)• The protocol used for key management inIPsec ... Systems, Inc. Internet Key Exchange Protocol 5 © 2001, Cisco Systems, Inc. Access VPN v1. 0 Internet Key Exchange Protocol -7ISAKMPISAKMP• Internet Security Association and Key Management Protocol • ... (RFC 2412), a key agreement /exchange protocol • SKEME, another key- exchange protocol IKE is a hybrid protocol based on the Internet Security Association and Key Management Protocol (ISAKMP),...