Billion BiPAC 7800GZ, User Manual, Page: 141 / 183

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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.