Is this one network or two networks?

Posted by colemik on Server Fault See other posts from Server Fault or by colemik
Published on 2012-05-27T14:13:14Z Indexed on 2014/06/10 15:27 UTC
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I have this simple question and really don't know the answer. Does the drawing below show one network or two networks? This is a question about the definition of a network from the OSI / TCP/IP model point of view:

  • From one point of view, those are two L2 networks connected with a bridge.
  • From another point of view, this is one L3 network, that can have a common L3 address space (like 10.1.1.0).

PS

If this question is too dumb, please move it to Superuser.

enter image description here

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