Chapter 27. Network Address Translation

This chapter provides information and commands concerning the following topics:

Private IP addresses: RFC 1918

Configuring dynamic NAT: One private to one public address translation

Configuring Port Address Translation (PAT): Many private to one public address translation

Configuring static NAT: One private to one permanent public address translation

Verifying NAT and PAT configurations

Troubleshooting NAT and PAT configurations

Configuration example: PAT

Private IP Addresses: RFC 1918

The following table lists the address ranges as specified in RFC 1918 that can be used by anyone as internal private addresses. These will be your “inside-the-LAN” addresses that will have to be translated ...

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