ZyXEL 793H ユーザーガイド
Chapter 7 Network Address Translation (NAT) Screens
P-793H User’s Guide
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7.6.1 Address Mapping Rule Edit
Use this screen to edit an address mapping rule. Click the rule’s edit icon in the Address
Mapping screen to display the screen shown next.
Mapping screen to display the screen shown next.
Figure 51 NAT > Address Mapping > Edit
The following table describes the fields in this screen.
Type
1-1: One-to-one mode maps one local IP address to one global IP address. Note
that port numbers do not change for the One-to-one NAT mapping type.
M-1: Many-to-One mode maps multiple local IP addresses to one global IP address.
M-1: Many-to-One mode maps multiple local IP addresses to one global IP address.
This is equivalent to SUA (in other words PAT, port address translation), ZyXEL's
Single User Account feature that previous ZyXEL routers supported only.
M-M Ov (Overload): Many-to-Many Overload mode maps multiple local IP
M-M Ov (Overload): Many-to-Many Overload mode maps multiple local IP
addresses to shared global IP addresses.
MM No (No Overload): Many-to-Many No Overload mode maps each local IP
MM No (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
Server: This type allows you to specify inside servers of different services behind
the NAT to be accessible to the outside world.
Modify
Click the edit icon to go to the screen where you can edit the address mapping rule.
Click the delete icon to delete an existing address mapping rule. Note that
Click the delete icon to delete an existing address mapping rule. Note that
subsequent rules move up by one when you take this action.
Table 34 NAT > Address Mapping (continued)
LABEL
DESCRIPTION
Table 35 NAT > Address Mapping > Edit
LABEL
DESCRIPTION
Type
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
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
Many-to-One: Many-to-One mode maps multiple local IP addresses to one global IP
address. This is equivalent to SUA (in other words 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
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
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
Server: This type allows you to specify inside servers of different services behind the
NAT to be accessible to the outside world.
Local Start IP
This is the starting local IP address (ILA). Local IP addresses are N/A for Server port
mapping.