I have a pfsense with a single wan ip, i want to assign multiple wan ip's. The pfsense machine is located on a vm machine with the other servers i wish to NAT forward. I want to give each server a wan ip address. The servers are all connected to the firewall with a internal virtual network interface. Can someone can help me on how to configure pfsense to NAT correctly.
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Add the additional IPs as IP Alias Virtual IPs. Then configure 1:1 NAT to ensure that traffic to/from each of your servers is mapped properly.