ZyXEL P-870H-53A v2 User Guide - Page 123

The Address Mapping Rule Edit Screen

Page 123 highlights

Chapter 8 Network Address Translation (NAT) 8.4.1 The Address Mapping Rule Edit Screen To edit an address mapping rule, click the rule's edit icon in the Address Mapping screen to display the screen shown next. Figure 66 Network > NAT > Address Mapping: Edit The following table describes the fields in this screen. Table 38 Network > NAT > Address Mapping: Edit LABEL Type DESCRIPTION Choose the IP/port mapping type from one of the following. One-to-One: This 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: This 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. Local Start IP Local End IP Many-to-Many: This mode maps multiple local IP addresses to shared global IP addresses. This is the starting local IP address (ILA). This is the end local IP address (ILA). 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. Global Start IP Global End IP Mapping Set Back Apply Cancel This field is not configurable for the One-to-One mapping type. This is the starting global IP address (IGA). Enter 0.0.0.0 here if you have a dynamic IP address from your ISP. This is the ending global IP address (IGA). This field is not configurable for One-to-One and Many-to-One mapping types. Select the number of the mapping set for which you want to configure. Click Back to return to the previous screen. Click Apply to save your changes to the ZyXEL Device. Click Cancel to begin configuring this screen afresh. P-870H/HW Series User's Guide 123

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Chapter 8 Network Address Translation (NAT)
P-870H/HW Series User’s Guide
123
8.4.1
The Address Mapping Rule Edit Screen
To edit an address mapping rule, click the rule’s edit icon in the
Address
Mapping
screen to display the screen shown next.
Figure 66
Network > NAT > Address Mapping: Edit
The following table describes the fields in this screen.
Table 38
Network > NAT > Address Mapping: Edit
LABEL
DESCRIPTION
Type
Choose the IP/port mapping type from one of the following.
One-to-One
: This 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
: This 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
: This mode maps multiple local IP addresses to shared
global IP addresses.
Local Start IP
This is the starting local IP address (ILA).
Local End IP
This is the end local IP address (ILA). 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 not configurable for the
One-to-One
mapping type.
Global Start
IP
This is the starting global IP address (IGA). Enter 0.0.0.0 here if you have
a dynamic IP address from your ISP.
Global End IP
This is the ending global IP address (IGA). This field is not configurable for
One-to-One
and
Many-to-One
mapping types.
Mapping Set
Select the number of the mapping set for which you want to configure.
Back
Click
Back
to return to the previous screen.
Apply
Click
Apply
to save your changes to the ZyXEL Device.
Cancel
Click
Cancel
to begin configuring this screen afresh.