GRE
Generic Routing Encapsulation (GRE) is a tunneling protocol that can encapsulate a wide variety
of network layer protocol packet types inside IP tunnels, creating a virtual point-to-point link to
various brands of routers at remote points over an Internet Protocol (IP) internetwork.
Name: A given name for the connection.
WAN Port: You can choose Default, ADSL, 3G or EWAN.
Remote Gateway IP: The IP address of the remote VPN device that is connected and establishes
a VPN tunnel.
Remote Network: Set the IP address or subnet of the remote network.
IP Address: Enter the IP address of the remote network.
Netmask: Enter the netmask of the remote network.
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