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P-870HW-I1 User's Guide
The following table describes the labels in this menu.
Table 133 Menu 15.1.1.1: Address Mapping Rule
FIELD
Type
Local IP:
Start
End
Global IP:
Start
End
29.4 NAT Server Setup
Use this menu to look at servers for which you have configured port forwarding rules. See
Chapter 10 on page 137
282
DESCRIPTION
Choose the port mapping type from one of the following.
•
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.
•
Many-to-One: Many-to-One mode maps multiple local IP addresses to one
global IP address. This is equivalent to SUA (i.e., PAT, port address
translation), ZyXEL's Single User Account feature that previous ZyXEL
routers supported only.
•
Many-to-Many Overload: Many-to-Many Overload mode maps multiple
local IP addresses to shared global IP addresses.
•
Many-to-Many No Overload: Many-to-Many No Overload mode maps
each local IP address to unique global IP addresses.
•
Server: This type allows you to specify inside servers of different services
behind the NAT to be accessible to the outside world.
Enter the range of IP addresses on the LAN port.
Local Start IP is N/A for Server port mapping.
Local End IP is N/A for One-to-one and Server mapping types.
To create a rule for all LAN IP addresses, set Local Start IP to 0.0.0.0 and
Local End IP to 255.255.255.255.
This is the corresponding range of IP addresses on the WAN port.
Global Start IP should be 0.0.0.0 if both of the following conditions are
satisfied.
•
Your ISP assigns the IP address of your WAN port.
•
The rule is a Many-to-One or Server rule.
Global End IP is N/A for One-to-one, Many-to-One and Server mapping
types.
for background information. To open this menu, enter 2 in menu 15.
Chapter 29 NAT Setup
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Troubleshooting
