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Access a single device on another subnet

P: 296
Due to circumstances beyond our control we have our system on one subnet (Subnet A). Almost all of the devices we need to access are either public - so are handled by the gateway, or on the same subnet. But...
There are one or two devices on a different subnet (Subnet B). In most cases both subnets are managed by the same router, sometimes not (I realize this would make a big difference).
How can I set it up so the one or two devices on subnet B can be accessed by our system running on subnet A?
We cannot simply move those devices on Subnet B - they serve a critical purpose on that subnet (building security).
Suggestions? I was hoping there would be some way to create an IP Alias so that a reserved/static IP on Subnet A were configured to NAT over to the device on Subnet B. If that exists I cannot find anything to describe how to set that up.
And oh - our system consists of some Windows and some Linux devices.
Apr 1 '19 #1
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