So, this is the first CCIEChallenge created by me. You need to achieve the following to pass the challenge: In the topology, please ignore R15. It has no role in this assignment. The initial config files can be downloaded here Set up a DMVPN between R14 (hub), R10 and R11 (spokes) This DMVPN needs to use the default route the routers have received from R12. The links between R12 and the other routers are part of the INTERNET VRF, the DMVPN should be member of the global routing table.