Wednesday, February 17, 2021

Question - Corporate Network - Communicating with Static Devices on Undefined Subnet

I have a Corporate LAN with scope 192.168.30.X

I have an Engineer asking me if he were to set a static IP for his computer and that of his PLC of 192.168.250.X range if they could communicate with each other over the switches just by static IP assignment.

I have suggested we could go proper course and create a vLAN in the firewall and switches to pass traffic along a newly defined schema but he is just questioning this hypothetically.

My inclination is that it doesn't have the scope defined anywhere so it would fail.

Unless they could create a route on their PC to allow for this?



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