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two different domains on the same physical network, just one gateway

Hello experts,

I have on my office a network with a Windows 2003 domain, using the IPs 192.168.1.1-254. On this network I have a Peplink Balance 30 multi-wan router, using the IP 192.168.1.1 for the LAN interface, it is my gateway.

Now I want install another Windows 2003 domain, using IPs like 10.0.0.1-254, so PCs on the new domain wont access PCs on the old domain, and vice-versa.

The thing is I need to use the same Peplink Balance router as the gateway for the new domain as well, my WAN internet connections must be shared for the two domains.
How do I do that? Can I use more than one IP for LAN interface on Peplink? (adding and 10.0.0.1 to it?)

Any help will be greatly appreciated.
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vetrixicode
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vetrixicode
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sheikhfahadCommented:
HI vetrixicode

are you using ISA server in your environment, if yes than you can setup your ISA server in 3-legged architecture and configure your Peplink WAN router as external and 192.168.1.1-254 as internal. additionally you can than configure your 10.0.0.1-254 n/w as perimeter n/w and name it like Internal2. this way you can add as many additional n/w as you can. i am handling 4 n/w in my isa 2006 ,1 internal, i external and 2 perimeter n/w. all use single gateway (external) for internet.

Plus, if you don't want your two network to communicate each other, you can create VLAN's on your network.

Thanks
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vetrixicodeAuthor Commented:
Hello sheikhfahad, sorry for the late response.

I don't have ISA server, but I could install it. I've just installed Forefront Client Security on my main domain. The new ISA server is Forefront Threat Management Gateway, right? Can I install it on the same server as the Forefront client Security?

Thanks
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vetrixicodeAuthor Commented:
Anyone?
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sheikhfahadCommented:
Hi,

sorry for responding late i was outstation,
Yes the new ISA is Forefront TMG but i haven't tried it so far. but definitely it will have ISA 2006 features + some additional features as well. Forefront client security is a centrally managed anti-virus solution by Microsoft.  we need to look at what Microsoft says about using both at same machine (i think its like using an antivirus on isa 2006 machine).

Thanks


 
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