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The situation is:

  • I have 1 router 192.168.1.1, 1 switch, 1 windows server and a basic LAN of devices accessing it.

  • I need to split into 2 separate LANs with full Internet access each, but isolated from each other.

Given that, the server is a Windows Server 2008 R2 with 2 NICs:

  • NIC1: 192.168.1.2

  • NIC2: 192.168.2.2

The router has no dhcp configuration.

Please, can anyone explain gracefully, step by step, what do I need to do? What would be the 2 NICs full configuration? What services do I need to install?

I don't want devices on either network to see devices on the other network, they must be completely separate.

I guess I'm missing the routing procedure step, but I have no idea how is that done.

For example: tell the server that devices with gateway 192.168.2.2 must send traffic for internet to 192.168.1.1 router.

Thanks in advance.

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2  
Windows really isn't the right tool for this. Get a router with more interfaces. –  Zoredache Oct 17 '13 at 19:54
1  
Configuring VLAN's and Inter-VLAN routing is probably the preferred and recommended way to do this. –  joeqwerty Oct 17 '13 at 20:50
    
@Zoredache, do you recommend me any router? –  SamuGG Oct 17 '13 at 22:13

2 Answers 2

Nobody is going to give you step-by-step instructions. Server Fault is not here to do your job for you.

My suggestion for you is as follows:

  1. Configure two separate vLANs on your switch -- A and B
  2. Configure a router for each vLAN.
    Depending on the equipment you have you may be able to do this with your existing router, or you may need to acquire a new one.
    • Do not configure your router(s) to pass traffic between the two vLANs
    • Configure NAT as necessary on your router (varies depending upon your upstream network).

Implementing these suggestions is left as a research exercise for you - and frankly if this doesn't point you in the right direction you need to bring in a professional to show you how this is done.
Basic network engineering is a little much for us to teach you on a Q&A site - its something you should be learning from an experienced mentor.

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If you have an old computer, just install pfsense. Easy to use and has many features. http://www.pfsense.org/

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