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ASA: 8.3 D-NAT with Source-NAT Using Twice NAT
Trying to send the traffic from inside (higher security level) to outside(lower security level) using D-NAT & doing the Source Nat on the same Packet.
This has worked fine in 8.2 but in 8.3 this cannot work with Auto-NAT and hence we have to configure Twice NAT for this.
In this Example we send traffic from inside host 10.76.212.191 to 192.168.17.19 and this is D-NAt'd to 192.168.19.19 on Outside Interface and the Source address is Pat'd on Outside Interface ip address i.e 192.168.19.18.
192.168.17.x network in this case doesn't exist anywhere in my network.