<P> A device at the edge of the customer's network which provides access to the PPVPN . Sometimes it is just a demarcation point between provider and customer responsibility . Other providers allow customers to configure it . </P> <Dl> <Dt> Provider edge device (PE) </Dt> </Dl> <Dt> Provider edge device (PE) </Dt> <P> A PE is a device, or set of devices, at the edge of the provider network which connects to customer networks through CE devices and presents the provider's view of the customer site . PEs are aware of the VPNs that connect through them, and maintain VPN state . </P>

The connection between a vpn client and a vpn server is called a tunnel