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I need to join two networks like this:
PC A1 PC A2 PC A3 PC B1 PC B2 PC B3
\ | / \ | /
ADSL MODEM/ROUTER A -------- ethernet cable? -------- ADSL MODEM/ROUTER B
192.168.2.x 192.168.1.x
What I want to do is to be able to access the network devices of network A from network B and vice versa. And I also want the devices to access the internet via the router on their respective network, for example PC A1 should access the internet via MODEM A and PC B1 via MODEM B.
So, I want things to stay as they are right now, adding the ability for PC A1 to "see" PC B1 etc. so I can transfer files between them etc.
1Are the routers physically close enough that you could (feasibly) run an ethernet cable between them? Or is that figuratively, like having two buildings and wanting the computers in one building to see the computers in the other building? – Darth Android – 2012-08-13T22:08:37.257
@DarthAndroid adsl modem/routers that i've used have just been a switch and a very basic built in router that many wouldn't even call a router. like a router with 2 ports. Where you can't configure it to use different IP ranges on different ports. A "proper" Router wouldn't have an ADSL modem in it , last time I used them anyway. – barlop – 2012-08-13T22:14:00.333
Depending on what you want, I've seen proper routers with cable or ADSL modems combined in. The easiest way to solve this is with a proper router, or at least one which allows you to specify custom routes. Would you happen to know the brand/model of the modem/routers in question? It would be helpful to see their actual capabilities. Do you have multiple connections ("Multi-WAN" or "Multi-homing") for redundancy purposes, or bandwidth purposes, or just because? If the router/modems are indeed super-basic, additional hardware might be involved. – Darth Android – 2012-08-13T22:19:38.540
The modem/routers are aftermarket. It's a Linksys WAG160Nv2 and a high end Netgear. I can buy/replace anything needed. – G P – 2012-08-13T22:34:01.120