
Configuring IP Services
12-4 117356-A Rev. A
Figure 12-1. Dynamic Mapping Example
The network administrator in Company A has configured NAT to detect the
following ranges of unregistered local addresses:
• 10.0.0.1 to 10.255.255.255
• 15.0.0.20 to 15.0.0.80
• 50.1.1.40 to 50.1.1.255
The network administrator has also configured the following ranges of registered
global addresses:
• 192.55.10.1 to 192.55.10.5
• 192.20.10.10 to 192.20.10.20
Boston
Atlanta
New York
Santa Clara
London
New York
Houston
Chicago
(NAT router)
10.0.0.15
10.0.0.1
10.0.0.50
50.1.1.52
192.100.20.2
15.0.0.45
15.0.0.20
Company A Company B
Unregistered source address
Registered destination address
IP0051A
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