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.
Technology Information
Design
Configure
Configuration Examples and TechNotes
(All IP Addressing Services Configuration Examples and TechNotes)
(All IP Addressing Services Configuration Examples and TechNotes)
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 a Cisco 827 for PPPoE with VPN IPSec NAT Overloading
Configuring a Cisco 827 Router With IRB and NAT Using RFC1483 Bridging
Configuring a Cisco 1700/2600/3600 ADSL WIC as a PPPoE Client With NAT
Configuring a Cisco 1700/2600/3600 ADSL WIC With NAT, a DHCP Server, and Easy IP Using PPPoA (aal5mux ppp)
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
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 a Private and a Public Network
Configuring IPSec Router-to-Router, Pre-shared, NAT Overload Between Private Networks
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
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 in Catalyst 6500/6000 Switches Configuration Example
NAT Order of Operation
NAT Pools and Subnet Zero
NAT Support for Multiple Pools Using Route Maps
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 and PAT Statements on the Cisco Secure PIX Firewall
Using NAT in Overlapping Networks
Using Non-Standard FTP Port Numbers with NAT
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 a Cisco 827 for PPPoE with VPN IPSec NAT Overloading
Configuring a Cisco 827 Router With IRB and NAT Using RFC1483 Bridging
Configuring a Cisco 1700/2600/3600 ADSL WIC as a PPPoE Client With NAT
Configuring a Cisco 1700/2600/3600 ADSL WIC With NAT, a DHCP Server, and Easy IP Using PPPoA (aal5mux ppp)
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
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 a Private and a Public Network
Configuring IPSec Router-to-Router, Pre-shared, NAT Overload Between Private Networks
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
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 in Catalyst 6500/6000 Switches Configuration Example
NAT Order of Operation
NAT Pools and Subnet Zero
NAT Support for Multiple Pools Using Route Maps
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 and PAT Statements on the Cisco Secure PIX Firewall
Using NAT in Overlapping Networks
Using Non-Standard FTP Port Numbers with NAT
Troubleshoot and Alerts
Troubleshooting TechNotes
(All IP Addressing Services Troubleshooting TechNotes)
(All IP Addressing Services Troubleshooting TechNotes)
ASA Configured as a DHCP Server Does Not Allow Hosts to Acquire an IP Address
Avoiding Routing Loops When Using Dynamic NAT
Configuring Data-Link Switching and Network Address Translation
Configuring NAT Transparent Mode for IPSec on the VPN 3000 Concentrator
Configuring Network Address Translation: Getting Started
Configuring Static and Dynamic NAT Simultaneously
DNS Doctoring on ASA Configuration Example
How Does Multicast NAT Work on Cisco Routers?
How NAT Handles ICMP Fragments
How to Change the Dynamic NAT Configuration
NAT Order of Operation
NAT Support for Multiple Pools Using Route Maps
NAT: Local and Global Definitions
Network Address Translation Catalyst Switch Support Matrix
Network Address Translation on a Stick
Using NAT and PAT Statements on the Cisco Secure PIX Firewall
Using Non-Standard FTP Port Numbers with NAT
Verifying NAT Operation and Basic NAT Troubleshooting
Avoiding Routing Loops When Using Dynamic NAT
Configuring Data-Link Switching and Network Address Translation
Configuring NAT Transparent Mode for IPSec on the VPN 3000 Concentrator
Configuring Network Address Translation: Getting Started
Configuring Static and Dynamic NAT Simultaneously
DNS Doctoring on ASA Configuration Example
How Does Multicast NAT Work on Cisco Routers?
How NAT Handles ICMP Fragments
How to Change the Dynamic NAT Configuration
NAT Order of Operation
NAT Support for Multiple Pools Using Route Maps
NAT: Local and Global Definitions
Network Address Translation Catalyst Switch Support Matrix
Network Address Translation on a Stick
Using NAT and PAT Statements on the Cisco Secure PIX Firewall
Using Non-Standard FTP Port Numbers with NAT
Verifying NAT Operation and Basic NAT Troubleshooting
