Is it possible to redirect local traffic
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Hello, I am setting up a PBX box on my local network. I have a reverse Proxy setup for my Web Traffic coming in from the Interwebs, and DNS Resolver configured to point internal traffic from my FQDN to my proxy. I have NAT rules configured to route WAN SIP and RTP traffic directly to my PBX, however, local traffic is directed via DNS and is thus also sent to my proxy which is a different host internally from my PBX. For my stationary phones, this isn't an issue, as I can configure them to use the raw IP address. For my Cell Phone and laptop however, which roam in and out of my LAN, this becomes an issue. Is is possible to redirect traffic destined for one IP on a given port to a different IP on that same port within the same LAN? If so, how?
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@aaronouthier I think you are looking for NAT Reflection. Or split DNS, linked on that page.
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To properly support cell phones and devices tethered to them, you should try to set up your PBX to use IPv6, if possible. 4G & 5G phones are IPv6 only and use a translation protocol to send IPv4 over IPv6 networks. Android phones use 464XLAT. I don't know what iPhones use. There's no need for NAT with IPv6.
