I work for a company where our production equipment is kept in a co-location. We rent rack space in the data center. Currently we have a /27 block of public IP addresses. All of the addresses are being utilized so I need to request more. The IP blocks on both sides of our IP space is being utilized so the IP’s we receive will be in a non contiguous. The data center controls the router so I can’t change anything on it. Their router is connected to our PIX which has a public IP assigned to the outside interface. I need to use the non contiguous IP’s for servers in our DMZ. The problem is that our PIX has a /27 subnet mask for the other public addresses. I don’t believe I can add a secondary IP to the external NIC on the PIX. How can I use the non contiguous IP’s for our DMZ when the IP’s will on a different subnet that the outside PIX interface is on? Is it possible? If so, can someone tell me what I need to do in the PIX to get it to work?
Thanks for the assistance!