TP-Link TD-8840T User Manual page 32

4.4.3.3. IP Address Mapping
Choose "Advanced Setup→NAT", select Multiple in Number of IPs. Click IP Address Mapping,
then you can configure the Address Mapping Rule in the next screen. The IP Address Mapping is
for those VCs that configured with multiple IPs. The IP Address Mapping rule is per-VC based
(only for Multiple IPs' VCs).
Rule Index: Select the Address Mapping Rule index for this VC. You can specify 8 rules in
maximum.
Rule Type: There are four types, one-to-one, Many-to-One, Many-to-Many Overload and
Many-to-Many No-overload.
Local Start & End IP: Enter the local IP Address you plan to mapped to. Local Start IP is the
starting local IP address and Local End IP is the ending local IP address. If the rule is for all
local IPs, then the Start IP is 0.0.0.0 and the End IP is 255.255.255.255.
Public Start & End IP: Enter the public IP Address you want to do NAT. Public Start IP is the
starting public IP address and Public End IP is the ending public IP address. If you have a
dynamic IP, enter 0.0.0.0 as the Public Start IP.
Address Mapping List: This displays the information about the Mapping addresses.
TD-8840T 4-port ADSL2/2+ Ethernet Router User Guide
Figure 4-19
Figure 4-20
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