ZyXEL Communications 660H Series User Manual
Prestige 660H Series Compact Guide
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1. One-to-One: One-to-one mode maps one local IP address to one global IP
address. Note that port numbers do not change for One-to-one NAT mapping
type.
type.
2. Many-to-One: Many-to-One mode maps multiple local IP addresses to one
global IP address.
3. Many-to-Many Overload: Many-to-Many Overload mode maps multiple
local IP addresses to shared global IP addresses.
4. Many-to-Many No Overload: Many-to-Many No Overload mode maps each
local IP address to unique global IP addresses.
5. Server: This type allows you to specify inside servers of different services
behind the NAT to be accessible to the outside world.
5.2 Configuring SUA Server
An SUA server set is a list of inside (behind NAT on the LAN) servers, for example,
web or FTP, that you can make visible to the outside world even though SUA makes
your whole inside network appear as a single computer to the outside world.
web or FTP, that you can make visible to the outside world even though SUA makes
your whole inside network appear as a single computer to the outside world.
Step 1.
From the main screen click Advanced Setup and then NAT to open the
NAT-Mode screen. Select SUA Only.
NAT-Mode screen. Select SUA Only.
Figure 14 NAT: Mode
Step 2.
Click Edit Details.