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NAT routing - 2 WAN interfaces

Asked by adamdrayer in Networking Hardware, Network Routers, TCP/IP


Router with 2 WAN interfaces (S0, S1), 1 LAN interface (F0)

Traffic destined for PublicNetworkA (100.0.1.0) comes in over S0 (WANIPA)
Traffic destined for PublicNetworkB (100.0.2.0) comes in over S1(WANIPB)
F0 is on PublicNetworkA (100.0.1.1)

Default Gateway (0.0.0.0 0.0.0.0) is Over S0

I would like traffic destined for a particular IP address on PublicNetworkB (e.g., 10.0.2.59) coming over S1 to be translated to an address on PublicNetworkA(e.g., 10.0.1.17) and forwarded to F0.  But I want to make sure that return traffic is translated back and forwarded over S1 instead of S0.

Is this possible?

Thanks,
 
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