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28.6.4
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 28-19 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.
Network Address Translation (NAT) 28-17
Contivity 251 VPN Switch User's Guide
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