Addressing and Routing for VPNs

To understand how VPNs work, you must understand how addressing and routing is affected by the creation of remote access VPNs and router-to-router VPNs. A VPN connection creates a virtual interface that must be assigned a proper IP address, and routes must be changed or added to ensure that the proper traffic is sent across the secure VPN connection instead of the shared or public transit internetwork.

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