Few months ago I assisted in setting up a small company with a network. Here are the details:
Internet -> T1 -> Pix 506E -> Catalyst 2950 -> Exchange Server / PCs
No fancy setup on the PIX, just rules to allow internet access and exchange server to run smoothly with OWA. Review my previous question : http://www.experts-exchange.com/Security/Firewalls/Q_21746285.html
for more information.
Another company is in the process of being setup in the same office. We would like to split the existing T1 Internet Access across 2 networks. At no time should Network 1 have access to Network 2 and vice versa. This I'm sure can be done by adding a router and another switch into the mix. However there are a few issues I'm not sure of. Each company requires its own Exchange Server. Right now we have a single IP address from a default block from the ISP. I am currently in the process of filling out the allocation form form a larger block. If the below proposed config is acceptable how do I configure the PIX and Router for the Exchange Servers where each requires SMTP as well as OWA via SSL. Also, what router would be recommended for this scenario. I would prefer to keep a uniform Cisco network.
Proposed Scenario :
Catalyst 2950 -> Exchange Server / PCs (Currently 192.168.1.1 DHCP)
Internet -> T1 -> PIX 506E -> Router
Catalyst 2950 -> Exchange Server / PCs (Proposed 192.168.20.1 DHCP)
The new company will be up and running from Monday and as such I need to have this information and need to start making purchases ASAP.