Cisco recommends that you have knowledge of DMVPN configuration on Cisco IOS® routers. Components Used The information in this document is based on these software and hardware versions: • Cisco IOS The information in this document was created from the devices in a specific lab environment. All of the. The configuration of DMVPN phase 1 and 2 is similar except for two key items: The spoke routers will now use multipoint GRE interfaces instead of point-to-point GRE interfaces. We don't configure a manual destination anymore on the spoke routers. That's it, those two changes make the difference between running DMVPN phase 1 or 2. DMVPN (Dynamic Multipoint Virtual Private Network) is a feature within the Cisco IOS based router family which provides the ability to dynamically build IPSEC tunneling between peers based on an evolved iteration of hub and spoke tunneling. DMVPN uses a combination of the following technologies : ... In the following example we will configure DMVPN between the Hub router. "/>Dmvpn configuration cisco