Verifying Whether NAT Is Working

To verify the configuration, we could show the running configuration from the command line or view it inside CCP. To do the latter, navigate to Configure > Router > NAT and select the Edit NAT Configuration table. Figure 15-17 shows our current configuration.

Figure 15-17 Verifying Our NAT Configuration from Within CCP

If you actually have traffic flowing through the router from the inside to the Internet, you should be able to see those translations, as shown in Example 15-5.

Example 15-5 Viewing Existing Translations

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! Current translations in use include a ping from PC1, a telnet session
! from PC1, and a TFTP file transfer requested by PC2

! All of these sessions have been translated to the routers outside
! address (34.0.0.3) using PAT.
R3# show ip nat translations
Pro Inside global      Inside local       Outside local      Outside global
icmp 34.0.0.3:9        10.0.0.11:9        34.0.0.4:9         34.0.0.4:9
tcp 34.0.0.3:36906     10.0.0.11:36906    34.0.0.4:23        34.0.0.4:23
udp 34.0.0.3:49213     10.0.0.22:49213    34.0.0.4:69        34.0.0.4:69