troubleshooting Question

Share One Internet Connection Between Two Seperate Networks

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klaus1013Flag for United Kingdom of Great Britain and Northern Ireland asked on
NetworkingSwitches / HubsNetwork Operations
3 Comments1 Solution285 ViewsLast Modified:
I am setting up the network in our new office and I'm hoping to be able to share the Internet connection between two seperate networks, however I'm not sure if my current hardware is sufficient.

Network 1 - Windows SBS, in a domain with DNS and DHCP - Connected to Switch 1
Network 2 - Windows SBS, in a domain with DNS and DHCP - Connected to Switch 2
Internet - Single ADSL line shared through a router.

At the moment I have a cable running from the router into each switch. Switch 1 has the network of 10.11.11.x and switch two has 10.12.12.x. The router is I want to use the same Internet connection for each network, but allow each network to have it's own DNS and DHCP servers.

My limited experience of network addressing makes me think I need to play with the subnet masks. So if I give each server a different mask that would differentiate them, but what mask do I give to the router? Am I stuck with my current configuration? Do I need a more expensive router or even need to step up to vLANs?

Many TIA

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