D-Link DWR-923 User Manual page 64

5. From the "This connection uses the following items" list, select
Internet Protocol (TCP/IP) and then click Properties. The Internet
Protocol (TCP/IP) window will appear:
6. If you select "Obtain an IP address automatically," click the OK
button to finish your configuration.
7. If you select "Use the following IP address," ensure that your IP
address is from 192.168.0.100 to 192.168.0.254. The subnet mask
is 255.255.255.0.
8. Click OK  OK to apply this IP address setting.
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