I am trying to map an external static IP address to an internal VPN IP address.
Here is the idea I had in mind
ExtIP --> FW (192.168.0.1) ---> Local Net --> Host (.5)
ExtIP --> FW (192.168.0.1) ---> VPN --> Host (172.16.0.50)
This would allow me to set an external IP in DNS and have it mapped to a machine which is on VPN.
When I create an additional IP on the external interface and create a DNAT rule forwarding all traffic to this IP to 172.16.0.50 I can't get this to work. This does work if I use the 192.168.0.5 address but not the other. I can see the 172 address from 192 hosts and can ping the 172 host from the FW, if I explictily specify the 192.168.0.1 interface (-I 192.168.0.1) but no traffic seems to be crossing correctly for the VPN connection. I am lost. Does anyone know how to tell the FW to map to an external VPN address or is there another way of doing it?
Astaro 4.025
Thanks
Steven
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