TP-Link TD-8817B User Manual page 36

Note:
For VCs with single IP, select Single; For VCs with multiple IPs, select Multiple for the option.
Step 2: Select the Rule index for the rule as shown in Figure 4-20.
Step 3: Select the application you want from drop-down list, then the protocol and port number
will be added to the corresponding field automatically, you only need to configure the IP
address for the virtual server; If the application list does not contain the service that you
want, please configure the Port number, IP Address and Protocol manually.
Step 4: After that, click SAVE to make the entry take effect.
Other operation for the entries is as follow:
Enter the index of assigned entry, click the DELETE button to delete the entry.
Click the BACK button to return to the previous screen.
Click the CANCEL button to cancel the configuration which is made just now.
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 Figure 4-22. 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).
TD-8817B ADSL2+ Modem Router User Guide
Figure 4-21
31