Guest

Network Address Translation (NAT)

Introduction

Network Address Translation allows a single device, such as a router, to act as agent between the Internet (or ""public network"") and a local (or ""private"") network.
Configure

Configuration Examples and TechNotes

(All IP Addressing Services Configuration Examples and TechNotes)

Configuring Dynamic Multipoint VPN Using GRE Over IPSec With EIGRP, NAT, and CBAC

Configuring Dynamic Multipoint VPN Using GRE Over IPsec With OSPF, NAT, and Cisco IOS Firewall

Configuring IPSec Router-to-Router with NAT Overload and Cisco Secure VPN Client

Configuring IPSec Router-to-Router, Pre-shared, NAT Overload Between Private Networks

Configuring IPSec Router-to-Router, Pre-shared, NAT Overload Between a Private and a Public Network

Configuring Router to VPN Client, Mode-Config, Wild-Card Pre-Shared Key with NAT

Configuring Router-to-Router IPsec (Pre-shared Keys) on GRE Tunnel with IOS Firewall and NAT

Configuring a Cisco 827 for PPPoE with VPN IPSec NAT Overloading

Configuring a Router IPsec Tunnel Private-to-Private Network with NAT and a Static

IOS NAT Load-Balancing for Two ISP Connections

IOS NAT Load-Balancing with Optimized Edge Routing for Two Internet Connections

IPSec/GRE with NAT on IOS Router Configuration Example

NAT Pools and Subnet Zero

PIX 6.x : IPsec Tunnel Pass Through a PIX Firewall With use of Access List and with NAT Configuration Example

Sample Configuration Using the ip nat outside source list Command

Sample Configuration Using the ip nat outside source static Command

Static NAT-PT for IPv6 Configuration Example

Using NAT in Overlapping Networks

ASA Authentication to a Standby ASA When the AAA Device is Located Through a L2L Configuration Example

Auth-proxy Authentication Inbound (Cisco IOS Firewall - Routers/Switches and NAT) Configuration Example

Auth-proxy Authentication Inbound with IPsec and VPN Client Configuration with NAT and Cisco IOS Firewall

Auth-proxy Authentication Outbound (Cisco IOS Firewall and NAT) Configuration

Authentication Proxy Authentication Outbound - No Cisco IOS Firewall or NAT Configuration

Configuring Data-Link Switching and Network Address Translation

Configuring Dynamic Multipoint VPN Using GRE Over IPSec With EIGRP, NAT, and CBAC

Configuring Dynamic Multipoint VPN Using GRE Over IPsec With OSPF, NAT, and Cisco IOS Firewall

Configuring IPSec Router-to-Router with NAT Overload and Cisco Secure VPN Client

Configuring IPSec Router-to-Router, Pre-shared, NAT Overload Between Private Networks

Configuring IPSec Router-to-Router, Pre-shared, NAT Overload Between a Private and a Public Network

Configuring Multiple VPN Clients to a Cisco VPN 3000 Concentrator Using NAT-Traversal

Configuring NAT Transparent Mode for IPSec on the VPN 3000 Concentrator

Configuring Network Address Translation: Getting Started

Configuring PIX to PIX Dynamic-to-Static IPSec with NAT and Cisco VPN Client

Configuring Router to VPN Client, Mode-Config, Wild-Card Pre-Shared Key with NAT

Configuring Router-to-Router IPsec (Pre-shared Keys) on GRE Tunnel with IOS Firewall and NAT

Configuring Static and Dynamic NAT Simultaneously

Configuring a Cisco 1700/2600/3600 ADSL WIC With NAT, a DHCP Server, and Easy IP Using PPPoA (aal5mux ppp)

Configuring a Cisco 1700/2600/3600 ADSL WIC as a PPPoE Client With NAT

Configuring a Cisco 827 Router With IRB and NAT Using RFC1483 Bridging

Configuring a Cisco 827 for PPPoE with VPN IPSec NAT Overloading

Configuring a Cisco SOHO77 Router as a PPPoE Client With NAT

Configuring a Router IPsec Tunnel Private-to-Private Network with NAT and a Static

Configuring and Troubleshooting a Cisco 1700 Router Using an Ethernet WIC as a PPPoE Client with NAT

DNS Doctoring on ASA Configuration Example

How Does Multicast NAT Work on Cisco Routers?

How to Change the Dynamic NAT Configuration

IOS NAT Load-Balancing for Two ISP Connections

IOS NAT Load-Balancing with Optimized Edge Routing for Two Internet Connections

IPSec/GRE with NAT on IOS Router Configuration Example

NAT Order of Operation

NAT Pools and Subnet Zero

NAT Support for Multiple Pools Using Route Maps

NAT and PAT Statement Use on the Cisco Secure ASA Firewall Configuration Example

NAT in Catalyst 6500/6000 Switches Configuration Example

Network Address Translation on a Stick

PIX 6.x : IPsec Tunnel Pass Through a PIX Firewall With use of Access List and with NAT Configuration Example

Sample Configuration Using the ip nat outside source list Command

Sample Configuration Using the ip nat outside source static Command

Static NAT-PT for IPv6 Configuration Example

Two-Interface Router with NAT Cisco IOS Firewall Configuration

Using NAT in Overlapping Networks

Using Non-Standard FTP Port Numbers with NAT