Introduction - If you have any usage issues, please Google them yourself
A dynamic multipoint virtual private network (DMVPN) is a secure network that exchanges data between sites without needing to pass traffic through an organization s headquarter virtual private network (VPN) server or router.VPNs traditionally connect each remote site to the headquarters the DMVPN essentially creates a mesh VPN topology. This means that each site (spoke) can connect directly with all other sites, no matter where they are located.
A DMVPN service runs on VPN routers and firewall concentrators. Each remote site has a router configured to connect to the company’s headquarters VPN device (hub), providing access to the resources available.