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--- configuration:1to1_napt [2015/05/19 12:32] – hess
+++ configuration:1to1_napt [2024/04/18 13:34] (current) – fachet
@@ Line 1: / Line 1: @@
-====== 1:1 Network NAPT ======
+====== 1:1 Network NAT ======
-With 1:1 NAPT 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
+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 device with a "global valid" IP from the outside. All devices are remotely connected via the back-end network 172.31.0.0/24.
-Common Example: A Tram installed with a lot of devices like: ticketmachines, videocameras or WLAN Accesspoint. The local technican wants to connect
+{{:configuration:1-1nat.jpg|}}
-  * to the ticketmachine via **192.168.1.13**,
-  * to the videocamera via **192.168.1.14**
+Common Example:
-  * and the WLAN accesspoint via **192.168.1.15**.
+Vehicles have installed ticketmachines, videocameras and other devices. Each vehicle has the same local network (192.168.1.1/24). E.g. a local connected technican wants to connect
+  * to the ticketmachine via **192.168.1.10**,
+  * to the videocamera via **192.168.1.11**
+  * and all other devices via **192.168.1.XX**.
-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:
+In addition you wan't have a remote connection to each device in each vehicle individually.
-  * to the ticketmachine via **10.10.123.13**,
+Vehicle 1 - 172.31.0.10:
-  * to the videocamera via **10.10.123.14**
+  * to the ticketmachine via **10.8.1.10**
-  * and the WLAN accesspoint **via 10.10.123.15**.
+  * to the videocamera via **10.8.1.11**
+  * and all other devices via **via 10.8.1.XX**
-Where 123 would be your vehicle/tram number. So each tram and device can be addressed directly.
+Vehicle 2 - IP 172.31.0.11:
+  * to the ticketmachine via **10.8.2.10**
+  * to the videocamera via **10.8.2.11**
+  * and all other devices via **via 10.8.2.XX**
+Vehicle NN - IP 172.31.0.YY:
+  * to the ticketmachine via **10.8.NN.10**
+  * to the videocamera via **10.8.NN.11**
+  * and all other devices via **via 10.8.NN.XX**
 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 =====
+===== Networking Rules in the back-end =====
+.8.1.0/24 -> 172.31.0.10
+.8.2.0/24 -> 172.31.0.11
+.8.NN.0/24 -> 172.31.0.NN
-  * Inbound: Map 10.10.**123**.0/24 to 192.168.**1**.0/24
+===== Basic Napt Rules =====
-  * Outbount: Map 192.168.**1**.0/24 to 10.10.**123**.0/24
+Vehicle 1:
+  * Inbound: Map 10.8.**1**.0/24 to 192.168.1.0/24
+  * Outbount: Map 192.168.1.0/24 to 10.8.**1**.0/24
+Vehicle 2:
+  * Inbound: Map 10.8.**2**.0/24 to 192.168.1.0/24
+  * Outbount: Map 192.168.1.0/24 to 10.8.**2**.0/24
+Vehicle NN:
+  * Inbound: Map 10.8.**NN**.0/24 to 192.168.1.0/24
+  * Outbount: Map 192.168.1.0/24 to 10.8.**NN**.0/24
 ===== Configuration =====
-To Configure this scenario all you need are two rules
+To Configure this scenario all you need are two rules per router - Veihcle 1
-  * Inbound NAPT Rule
+  * Inbound NAT Rule
-{{ :nrsw:screenshot_-_140415_-_11_32_57.png?600 |}}
+{{ :configuration:napt_in.png?800 |}}
-  * Outbound NAPT Rule
+  * Outbound NAT Rule
-{{ :nrsw:screenshot_-_140415_-_11_39_52.png?600 |}}
+{{ :configuration:napt_out.png?800 |}}

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