Gre - Billion BiPAC 7800(N)X(L) User Manual

GRE

Generic Routing Encapsulation (GRE) is a tunneling protocol that can encapsulate a wide variety
of network layer protocol packets inside virtual point-to-point links over an Internet Protocol (IP)
network. And the common use can be GRE over IPSec.
Click Add to set up new GRE tunnels.
Name: User-defined identification.
WAN Interface: Select the exact WAN interface configured for the tunnel as the source tunnel IP.
Select Default to use the now-working WAN interface for the tunnel.
Remote Gateway IP: Set the destination IP for the tunnel.
Remote Network: Select the peer topology, Single address (client) or Subnet.
IP Address: Set the IP address if the peer is a client. If the peer is a subnet, please enter the IP and
netmask.
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