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+====== 1:1 Network NAT ======
+With 1:1 NAT you can Map a whole network IP-range into another. This can be handy if you want to maintain a common local ip range like 192.168.1.0/24 but also have the possibilty to connect to each IP from the outside
+{{:configuration:1-1nat.jpg|}}
+Common Example: A Tram installed with a lot of devices like: ticketmachines, videocameras or WLAN Accesspoint. The local technican wants to connect
+  * to the ticketmachine via **192.168.1.13**,
+  * to the videocamera via **192.168.1.14**
+  * and the WLAN accesspoint via **192.168.1.15**.
+But in the same moment you want to have a remote connection via WLAN and connect to each tram and device idividually. So would you want to have IPs like:
+  * to the ticketmachine via **10.10.123.13**,
+  * to the videocamera via **10.10.123.14**
+  * and the WLAN accesspoint **via 10.10.123.15**.
+Where 123 would be your vehicle/tram number. So each tram and device can be addressed directly.
+To avoid creating 3 or even more NAPT rules you can use the network based rules and do this with only 2 Rules.
+===== Basic Napt Rules =====
+  * Inbound: Map 10.10.**123**.0/24 to 192.168.**1**.0/24
+  * Outbount: Map 192.168.**1**.0/24 to 10.10.**123**.0/24
+===== Configuration =====
+To Configure this scenario all you need are two rules
+  * Inbound NAT Rule
+{{ :nrsw:screenshot_-_140415_-_11_32_57.png?600 |}}
+  * Outbound NAT Rule
+{{ :nrsw:screenshot_-_140415_-_11_39_52.png?600 |}}

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