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--- configuration:gre [2016/08/15 08:21] – dotoli
+++ configuration:gre [2021/11/10 15:45] (current) – schmitt
@@ Line 1: / Line 1: @@
-Two NB1600 connected through a GRE tunnel over the mobile interface.
+====== GRE Tunnel ======
+The Generic routing encapsulation (GRE) is a communication protocol used to establish a direct, point-to-point connection between network nodes. Being a simple and effective method of transporting data over a public network, such as the Internet, GRE lets two peers share data they wouldn’t be able to share over the public network itself.
-TAP mode:
-{{:configuration:gre_tun_a.jpg|nolink&20px}}
+Two NB1600 connected through a GRE tunnel over the mobile interface.\\
+NB1: 192.168.1.0|192.168.2.0\\
+NB2: 192.168.3.0|192.168.4.0\\
+Both have public IP adresses, 138.188.X.X\\
+**TUN mode:**\\
+{{gre_tunnel1.png?|}}\\
+Peer address: Public IP address of the remote station (NB1600-X, cisco router ...)\\
+Local tunnel address/netmask: Self defined GRE IP address (remote router local tunnel address: 192.168.8.2)\\
+Remote network: Destination network / Network of the remote router\\
+**TAP mode:**\\
+{{gre_tap1.png?|}}\\
+Peer address: Public IP address of the remote station (NB1600-X, cisco router ...)\\
+Bridge interface: LANX; the IP address on both sides must be in the same subnet. (e.g local=192.168.1.1 / remote=192.168.1.2)