Dynamic Nat And Pat Implementation - Cisco 7604 Configuration Manual

Catalyst 6500 series switch and cisco 7600 series router firewall services module configuration guide using the cli

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Configuring NAT

Using Dynamic NAT and PAT

Dynamic NAT and PAT Implementation

For dynamic NAT and PAT, you first configure a nat command identifying the real addresses on a given

interface that you want to translate. Then you configure a separate global command to specify the

mapped addresses when exiting another interface (in the case of PAT, this is one address). Each nat

command matches a global command by comparing the NAT ID, a number that you assign to each

command. (See

Figure 16-14

nat and global ID Matching

www.cisco.com

Global 1: 209.165.201.3-

209.165.201.10

209.165.201.3

NAT 1: 10.1.2.0/24

See the following commands for this example:

hostname(config)# nat (inside) 1 10.1.2.0 255.255.255.0

hostname(config)# global (outside) 1 209.165.201.3-209.165.201.10

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