GRE
GRE (Generic Routing Encapsulation) protocol is a network layer protocol
(such as IP and IPX) data packets are encapsulated, so these encapsulated data
packets to another network layer protocol (IP)transmission. GRE Tunnel (tunnel)
technology, Layer Two Tunnelling Protocol VPN (Virtual Private Network).
GRE Tunnel: enable or disable ALL GRE tunnels
Number Select the tunnel definition you want to view/edit
Status Switch on/off individual GRE tunnels
Name:GRE tunnel name
Through:The GRE packet transmit interface
Peer Wan IP Addr:The remote WAN address
Peer Subnet:The remote gateway local subnet, e.g.: 192.168.1.0/24