Cisco ASA 5505 Configuration Manual page 502

NAT Types
Information About Static NAT with Port Address Translation
When you specify the port with static NAT, you can choose to map the port to the same value or to a
different value. Using the same value lets you translate ipA/port1 to ipX/port1 while translating
ipA/port2 to ipY/port2.
Figure 26-2
to itself and a port that is mapped to a different value. The translation is always active so both translated
and remote hosts can initiate connections.
Figure 26-2
10.1.1.2:8080
For applications that require application inspection for secondary channels (for example, FTP and VoIP),
Note
the adaptive security appliance automatically translates the secondary ports.
Cisco ASA 5500 Series Configuration Guide using ASDM
26-4
shows a typical static NAT with port translation scenario showing both a port that is mapped
Typical Static NAT with Port Translation Scenario
Security
Appliance
10.1.1.1:23
Inside Outside
209.165.201.1:23
209.165.201.2:80
Chapter 26 Information About NAT
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