TL-R480T+ Reverse NAT per WAN port

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TL-R480T+ Reverse NAT per WAN port

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
TL-R480T+ Reverse NAT per WAN port
TL-R480T+ Reverse NAT per WAN port
2013-03-02 14:57:48 - last edited 2021-08-21 03:17:32
Region : Australia

Model : TL-R480T+

Hardware Version : V5

Firmware Version : 5.1.0 Build 20120510 Rel.58987s

ISP : SELF


I have 3 Wan configured all with fixed IP

WAN1 192.168.0.2/24 gateway 192.168.0.1 - All inside traffic goes via this to the ADSL link (Unless in route table)

WAN2 192.168.1.2/24 gateway 0.0.0.0 This is a SHDSL that is mainly for sip traffic out

WAN3 192.168.2.2/24 gateway 0.0.0.0 - This is a 3G link and is backup for wan1, but also is meant for receiving emails.

All routers DMZ to this.

All traffic originating inside goes out the WAN's ether via default route or static routes.

I had to set the gateways on wan 2 & 3 to 0.0.0.0 otherwise the router would just for no reason send traffic via them that was not meant to go that way.

the backup does (So call) work, BUT.....

The MAIN problem is traffic coming in, originating from outside (EG, WAN3 "SMTP, DNS". WAN1 "SMTP, DNS, WEB, NTP". WAN2 "DNS, WEB, NTP, SIP")
It comes in fine but is sent back out WAN1, not the WAN it came from.

Is there a reverse NAT (WAN incoming NAT) setting that can be setup on a per WAN port

EG: anything incoming from WAN1 is NAT as 192.168.0.2
WAN2 is NAT as 192.168.1.2
And so on.

The ADSL, SHDSL & 3G does NAT out, BUT I NEED NAT IN.
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