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Cisco ASA Series Firewall ASDM Configuration Guide
Chapter 6 Configuring NAT (ASA 8.2 and Earlier)
NAT Overview
Figure 6-2 NAT Example: Transparent Mode
NAT Control
NAT control requires that packets traversing from an inside interface to an outside interface match a NAT
rule; for any host on the inside network to access a host on the outside network, you must configure NAT
to translate the inside host address, as shown in Figure 6-3.
Figure 6-3 NAT Control and Outbound Traffic
Management IP
10.1.2.2
www.example.com
10.1.2.1
Host
10.1.2.27
Internet
Source Addr Translation
209.165.201.1010.1.2.27
Static route on router
to 209.165.201.0/27
through security appliance
191243
Security
appliance
10.1.1.1
NAT
No NAT
209.165.201.1
Inside Outside
10.1.2.1
Security
Appliance
132212