I am currently going through High level documentation of an enterprise. Would you guys be able to explain this statement and the requirement of such VPN setup, what is achieved by it.
The architecture uses Internet circuits to build IPSec VPN tunnels between St. Louis and the remote site. GRE tunnels are then built within the IPSec tunnels in order to handle multicast, provide traffic shaping / HQOS, exchange routing, etc.
Any better approach if any??
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