ZyXEL Communications AMG1001-T Series User Manual page 70

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Chapter 10 Network Address Translation (NAT)
Use this screen to change your AMG1001-T/AMG1011-T's address mapping settings. Click
Advanced Setup > NAT > IP Address Mapping to open the following screen.
Figure 38 Advanced Setup > NAT > IP Address Mapping
The following table describes the fields in this screen.
Table 25 Network > NAT > Address Mapping
LABEL
IP Address Mapping
Address
Mapping Rule
Rule Index
Rule Type
Local Start IP
Local End IP
Public Start IP
70
DESCRIPTION
The rules configured in this screen apply to this PVC.
Select the rule's index number from the drop-down list box.
Choose the port mapping type from one of the following.
One-to-One: This mode maps one local IP address to one public IP address. Note that port
numbers do not change for one-to-one NAT mapping type.
Many-to-One: This mode maps multiple local IP addresses to one public IP address. This is
equivalent to the Single IP feature that previous ZyXEL routers supported only.
Many-to-Many Overload: This mode maps multiple local IP addresses to shared public IP
addresses.
Many-to-Many No Overload: This mode maps each local IP address to unique public IP
addresses.
Server: This type allows you to specify inside servers of different services behind the NAT
to be accessible to the outside world.
This is the starting local IP address. Local IP addresses are N/A for Server port mapping.
This is the end local IP address. If your rule is for all local IP addresses, then enter 0.0.0.0
as the Local Start IP address and 255.255.255.255 as the Local End IP address.
This field is N/A for One-to-One and Server mapping types.
This is the starting public IP address. Enter 0.0.0.0 here if you have a dynamic IP address
from your ISP.
AMG1001-T/AMG1011-T Series User's Guide

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