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Prestige 202H User’s Guide
11-22 Dial-in Setup
11.5.4 Example 4: NAT Unfriendly Application Programs
Some applications do not support NAT Mapping using TCP or UDP port address translation. In this case it is
better to use Many-to-Many No Overload mapping as port numbers do not change for Many-to-Many
No Overload (and One-to-One) NAT mapping types. The following figure illustrates this.
Figure 11-21 NAT Example 4
Other applications such as some gaming programs are NAT unfriendly because
they embed addressing information in the data stream. These applications won’t
work through NAT even when using One-to-One and Many-to-Many No Overload
mapping types.
Follow the steps outlined in example 3 to configure these two menus as follows.