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Configuring Parallel Subnets... HELP!
Authored by: Echidna on Sep 21, '04 03:07:44PM
So, to clarify, if I have one subnet nested inside another subnet it won't work? That is to say, I have one router creating one subnet, and then inside that subnet, I have connected another router creating another subnet. That would explain why I can't get this hint to work for me. The network looks like this:
internet -> router -> computers on subnet 1
                     router -> computers on subnet 2
Then, if I'm understanding this correctly, it's a serial vs. parallel type of setup, right? That's what you mean by "on the same wires", right? How would I set it up so that the two routers are parallel to each other? I would have to split the connection to the two routers with a hub, and then join the networks back together with another hub, right? And then the computers would have the choice as to which networks they would want to be on, right? How would DHCP work, then? Only one router could have DHCP turned on, right? The network would look like this:
internet -> hub -> router -> hub -> computers
                  \       /
And then, and only then, could I have my computer connected to both subnets, right? I'm kinda new to working this in-depth with networks... anyone care to answer my guesses?

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Configuring Parallel Subnets... HELP!
Authored by: Echidna on Sep 21, '04 03:45:56PM
Upon further consideration, I suppose both routers in my second diagram would need their own IP address. So, it would really take three routers to get the job done as I have drawn it. More practically, could I do something a little less intuitive - have the internet go from the first router into a hub, and then the second router comes out of that hub, and then plugs directly back in. It would make a loop in the network, and look something like this:

router ->   hub  -> computers
       /          \
      |            |
       \          /
So, I could essentially keep everything setup in the way I drew my first diagram, only I would throw a cable looping back from out of one of the LAN ports of the second router back into the subnet of the first router. Would this work?

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Configuring Parallel Subnets... Got it!
Authored by: Echidna on Sep 21, '04 06:16:53PM

OK, sorry for all the replies. I did get it working then, simply by crossing the two networks with a cable. Thanks! Great hint!

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Configuring Parallel Subnets... Got it!
Authored by: argh128 on Sep 21, '04 06:46:39PM


In general bridging separate networks like this is a BAD idea. Their area usually reasons for networks to be separate. For example: restricting access to data. Keeping one network separate from the WWW.. etc

In fact, some companies can get really pissed when you do something like this... my University will cut your connection if you bridge a network like this.


A completely SANE Canadian.

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