ZyXEL Communications Intelligent Broadband Sharing Gateway P-324 - Manual (Page 141)

11-26 NAT
Figure 11-21 Example 3: Menu 15.2
11.4.4 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-One-to-One mapping as port numbers do not change for this mapping type. The
following figure illustrates this.
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: