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I need a black box that will translate 192.168.1.1 to 192.168.1.2. Can a NAT router do this?

The problem that I am trying to solve: I have 2 devices with identical IPs of 192.168.1.1. The devices have dongles that fix their IP to this value. I need to communicate to them separately via telnet for testing.

stephenb
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  • Since a NAT wall would require both sides to be differant LANs, you would have to use two NAT walls, such that 192.168.0 <-> 10.0.0.0 <-> 192.168.1.0. – Frank Thomas Jul 22 '15 at 16:50
  • Possible duplicate: http://serverfault.com/questions/389306/whats-the-best-way-to-accomodate-multiple-devices-that-all-want-to-use-the-same – Steven Jul 22 '15 at 17:03
  • Frank thanks for the suggestion. I wonder if an inexpensive linux router and iptables port forwarding could also work? – stephenb Jul 22 '15 at 19:23
  • Building on Frank's suggestion, I think it's easiest for me to have a separate NIC for device 2 with a NAT router that can translate 10.0.0.1<->192.168.1.1. This might not be the best solution though if there are a large number of devices to connect this way. – stephenb Jul 24 '15 at 16:34

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