Quick Start Steps for Configuring and Deploying NAT
Defining NAT Inside and Outside Interfaces
Example: Allowing Internal Users to Access the Internet
Configuring NAT to Allow Internal Users to Access the Internet
Configuring NAT to Allow Internal Users to Access the Internet Using Overloading
Example: Allowing the Internet to Access Internal Devices
Configuring NAT to Allow the Internet to Access Internal Devices
Example: Redirecting TCP Traffic to Another TCP Port or Address
Configuring NAT to Redirect TCP Traffic to Another TCP Port or Address
Example: Using NAT During a Network Transition
Configuring NAT for Use During a Network Transition
Example: Using NAT in Overlapping Networks
Difference between One-to-One Mapping and Many-to-Many
Verifying NAT Operation
This document explains configuring Network Address Translation (NAT) on a Cisco router for use in common network scenarios. The target audience of this document is first time NAT users.
Note: In this document, when the internet, or an internet device is referred to, it means a device on any external network.