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What are the main differences between the Cisco IOS® Software and Cisco® PIX® Security Appliance implementations of NAT?

April 26, 2017appliance Cisco differences implementations main security Software

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What are the main differences between the Cisco IOS® Software and Cisco® PIX® Security Appliance implementations of NAT?

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A4. Cisco IOS Software-based NAT is not fundamentally different from the NAT function in the Cisco PIX Security Appliance. The main differences involve the different traffic types supported in the implementations. Refer to Cisco PIX 500 Series Security Appliances and NAT Configuration Examples for more information on the configuration of NAT on Cisco PIX devices (includes the traffic types supported).