ZyXEL Communications Prestige 100IH User Manual page 68

Step 8. Now enter 2 from this menu, enter 2 again to select Server Set 2 and configure it as shown in
Figure 4-22.
4.6.4 Example 4 – Non NAT Friendly Application Programs
Many applications, for example gaming programs 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.
4-20
Menu 15.2.1 - Multiple Server Configuration
Port # IP
---- ---------------
0.0.0.0
.
1 Default
2.80 192.168.1.21
3.25 192.168.1.20
4.0 0.0.0.0
5.0 0.0.0.0
6. 0 0.0.0.0
7. 0 0.0.0.0
8. 0 0.0.0.0
9. 0 0.0.0.0
10. 0 0.0.0.0
11. 0 0.0.0.0
12. 1025 RR Reserved
Press ENTER to onfirm or ES
Figure 4-22 Example 3 – Menu 15.2
Figure 4-23 NAT Example 4
P100IH ISDN Router
Address
to an el:
NAT