Multiple DSL modems on single network?

November 18, 2010 at 23:29:55
Specs: Macintosh
I'm revising a network for a small business. I don't REALLY know what I'm doing, but I'm comfortable with logging into routers and changing IP's etc.

Anyhow, we have multiple DSL lines here (3-4) each with their own network. We're trying to bring up a NAS system and need to merge all the networks into one.

Can this simply be done by Changing the IP range of each router and wiring all the switches to each other? Somehow I don't feel it's as simple as that. Any help would be appreciated.

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November 19, 2010 at 01:31:06
The question is - how do you plan on routing traffic thru the DSL's?

If you want to configure each node's gateway settings individually (so, each node would forward out only ONE DSL line ever, until you manually changes it's gateway), then yes it will work fine.

But your solution will not balance the traffic over the lines, each node must be configured to use one and only one link

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November 19, 2010 at 01:44:59
Just to make sure I understand, by "node" your saying I would need to manually set the ip of each computer on the network so it knows which router to go to? We have a lot of guests here...

I've been doing some research (since I last posted) and it sounds like a dual WAP router would be preferrable?

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November 19, 2010 at 11:25:37
That would be dual WAN port router [not wap] which would narrow you down to two lan gateways.

You should not be allowing "guest" access to your network. if you want to provide them internet service than set one of the 4 dsl links/router to provide open wireless access. You may even want to put a printer on the guest network for their use.

It would most likely be more cost effective to drop two of the dsl lines and up the bandwith on the remaining internal network dsl. This would make your job easier and reduce the network complexity which will bite you in the butt if things go haywire.

Yes you will have to either manually set every ip address and gateway on each pc to manually balance the internet access or do mac filtering on the routers to have the same results.

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