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Prestige 791R G.SHDSL Router
11-24 NAT
Figure 11-21 Example 3- Menu 15.2
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 11-22 NAT Example 4
Menu 15.2 - NAT Server Setup
Rule Start Port No. End Port No. IP Address
---------------------------------------------------
1. Default Default 0.0.0.0
2. 80 80 192.168.1.21
3. 25 25 192.168.1.20
4. 0 0 0.0.0.0
5. 0 0 0.0.0.0
6. 0 0 0.0.0.0
7. 0 0 0.0.0.0
8. 0 0 0.0.0.0
9. 0 0 0.0.0.0
10. 0 0 0.0.0.0
11. 0 0 0.0.0.0
12. 0 0 0.0.0.0
Press ENTER to Confirm or ESC to Cancel: