This is a pretty simple question and I am hoping there is a simple answer. We have an environment where we have a public class 3 network assigned to devices on our LAN.There is no NAT whatsoever. The firewall should just route traffic to the LAN IP addresses.
For instance:
WAN IP - x.x.112.23
LAN IP - x.x.x.1 (public ip range 1 - 254)
When someone tries to reach a device on the 1-254 range, it just routes through the firewall to those devices. We are replacing the existing firewall with an XG and I would like to keep the same configuration.
My questions is, would I need to add an alias for every device on our LAN and setup DNAT rules for every device? Or would the firewall just route the traffic in the same way as the old firewall. If we had to do the Alias/DNAT route, I am not sure how that would work without using NAT IP addresses for the devices on the LAN.
Maybe I am over-thinking this. Any help would be appreciated.
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