Chapter 37. DMVPN QoS Design

Dynamic Multipoint VPN (DMVPN) is a key IPsec use case for site-to-site VPN deployments. In days past, one of the largest challenges that network engineers and administrators faced was how to easily scale their virtual private network (VPN) deployment. For example, if static point-to-point IPsec tunnels were used between a hub and a large number of spoke routers, not only would the configuration of the headend router become massive and almost unmanageable, but the day-to-day administration of the network would also become difficult.

You can imagine a situation where a large retail chain might have several hundred or even several thousand stores connected to the head office or data center across a public cloud network ...

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