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Cisco ASA Series Firewall ASDM Configuration Guide
Chapter 3 Information About NAT (ASA 8.3 and Later)
How NAT is Implemented
Figure 3-16 shows a remote host connecting to a mapped host. The mapped host has a twice static NAT
translation that translates the real address only for traffic to and from the 209.165.201.0/27 network. A
translation does not exist for the 209.165.200.224/27 network, so the translated host cannot connect to
that network, nor can a host on that network connect to the translated host.
Figure 3-16 Twice Static NAT with Destination Address Translation
209.165.201.11 209.165.200.225
DMZ
Inside
No Translation
10.1.2.27
10.1.2.27
10.1.2.0/27
209.165.201.0/27 209.165.200.224/27
Undo Translation
209.165.202.128
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