ZyXEL Communications P-660 series

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P-660 Series Support Notes

• WAN device output and call filter sets.

The sequence of the logic flow for the packet from WAN to LAN is:

WAN device input filter sets.

If SUA is enabled, SUA converts the destination IP address from 203.205.115.6 to

92.168.1.33 and port number from 4034 to 1023.

WAN protocol input filter sets.

LAN device and protocol output filter sets.

Generic and TCP/IP (and IPX) filter rules are in different filter sets. The SMT will

detect and prevent the mixing of different category rules within any filter set in Menu

21. In the following example, you will receive an error message 'Protocol and device

filter rules cannot be active together' if you try to activate a TCP/IP (or IPX) filter

rule in a filter set that has already had one or more active Generic filter rules. You will

receive the same error if you try to activate a Generic filter rule in a filter set that has

already had one or more active TCP/IP (or IPX) filter rules.

Menu 21.1.1:

ZyXEL Communications P-660 series - Page 53