ZyXEL ZyWALL 2 Plus User Guide - Page 333
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Chapter 17 Network Address Translation (NAT) Screens Figure 213 ADVANCED > NAT > NAT Overview The following table describes the labels in this screen. Table 94 ADVANCED > NAT > NAT Overview LABEL DESCRIPTION NAT Setup Max. Concurrent Sessions This read-only field displays the highest number of NAT sessions that the ZyWALL will permit at one time. Max. Concurrent Sessions Per Host Use this field to set the highest number of NAT sessions that the ZyWALL will permit a host to have at one time. Enable NAT Select this check box to turn on the NAT feature for the WAN port. Clear this check box to turn off the NAT feature for the WAN port. Address Mapping Rules Select SUA if you have just one public WAN IP address for your ZyWALL. This lets the ZyWALL use its permanent, pre-defined NAT address mapping rules. Select Full Feature if you have multiple public WAN IP addresses for your ZyWALL. This lets the ZyWALL use the address mapping rules that you configure. This is the equivalent of what used to be called full feature NAT or multi-NAT. The bar displays how many of the ZyWALL's possible address mapping rules are configured. The first number shows how many address mapping rules are configured on the ZyWALL. The second number shows the maximum number of address mapping rules that can be configured on the ZyWALL. Port Forwarding Rules The bar displays how many of the ZyWALL's possible port forwarding rules are configured. The first number shows how many port forwarding rules are configured on the ZyWALL. The second number shows the maximum number of port forwarding rules that can be configured on the ZyWALL. Port Triggering Rules The bar displays how many of the ZyWALL's possible trigger port rules are configured. The first number shows how many trigger port rules are configured on the ZyWALL. The second number shows the maximum number of trigger port rules that can be configured on the ZyWALL. Apply Click Apply to save your changes back to the ZyWALL. Reset Click Reset to begin configuring this screen afresh. ZyWALL 2 Plus User's Guide 333