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I have 2 computers that I want to make them talk to each other even without internet connection and they are connected on 2 different routers. The internet comes from Router A. From Router A there are 2 routers connected: Router B and Router C. My PC is connected to Router B and the Server is connected to Router C.

How can I ping/make the 2 computers communicate to each other by using this network hierarchy ?

This is the network structure I'm talking about: network hierarchy

TermoZour
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1 Answers1

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You have here three network segments : 192.168.0.X, 192.168.1.X, 192.168.2.X, because probably your network mask is the default 255.255.255.0.

So the communications you are interested in cannot cross over from one to the other.

I suggest to :

  • Let Router A be the DHCP server and disable this feature in Routers B & C.
  • You don't need static IP addresses if everything is dynamic, but you are going to have them they should be in one segment only. The most common is 192.168.0.X.
  • Ensure that Routers B & C either use dynamic IP or are allocated static IP addresses in the right segment.
  • If the routers are connected via cable, ensure that connections are LAN-to-LAN, like this:

enter image description here

For more information, see the post:
Expanding wireless coverage: What are the differences between LAN to LAN and LAN to WAN when it comes to connecting two wireless routers?.

harrymc
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