ZyXEL Communications 5 Series User Manual

Page of 824
 Chapter 22 Network Address Translation (NAT)
ZyWALL 5/35/70 Series User’s Guide
437
Figure 251   ADVANCED > NAT > NAT Overview
The following table describes the labels in this screen. 
Table 130   ADVANCED > NAT > NAT Overview
LABEL
DESCRIPTION
Global Settings
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.
WAN Operation 
Mode
This read-only field displays the operation mode of the ZyWALL's WAN interfaces.
WAN 1, 2 
Enable NAT
Select this check box to turn on the NAT feature for the WAN interface. Clear this 
check box to turn off the NAT feature for the WAN interface.