subnetting ccna 640-801, 641-821, 640-811, network address translation


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Network Address Translation (NAT) Primer
With the current shortage of IP addresses it's hard to ignore Network Address Translation. NAT diminishes or eliminates the need for expensive public IP addresses and enhances security on any network connected to the Internet. NAT is incorporated into most firewalls and network sharing devices, as well as dedicated NAT devices.

Our NAT e-Guide provides comprehensive information on this interesting technology. The basics of NAT are first explained, including a primer on TCPIP port addressing - the key to NAT operations. All three popular NAT "flavors" are then explained. Special attention is given to NAT incompatibilities, NAT and DNS co-existence, and security limitations of Network Address Translation.

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54 pages. $14.95.
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