Here is a little bit of background on my problem:
I currently have 5 public IPs assigned by my ISP. One of those is Assigned to Astaro and 3 of those are assigned to other network devices.
I am running EXI 5.5
>I have 3 VMs on this server: Astaro, Windows Server 2008 R2, CentOS
>I have 2 vSwitches, Internal-Protected and External.
>External vSwitch is connected to the machine's physical NIC which is directly connected to the modem with no other network device or firewall between it.
>Internal-Protected includes my main VM Network and Management Network.
>Astaro is setup where External=External and Internal=Internal. The External Interface has an IP of 162.X.X.X and the Internal Network is 10.10.X.X.
>All of the VMs have a private IP and are happy with NAT, however a particular Web Application on the windows server refuses to work behind NAT. I have contacted the Developer, and the reason that does not work is because when the Program sends packets, it reports the IP of the Actual NIC instead of the Public IP. (Stupid I know).
>Due to this reason, the Server needs to have a separate non-natted Public IP. The server needs to be completely accessible via it's own IP, yet still be behind Astaro for protection.
I was reading about using source and destination NAT to accomplish this, but I have yet to have any success. I read something about additional addresses under interfaces, but I am confused as to how to proceed.
Any help would be greatly appreciated.
Thanks,
Kyle
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