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Network Equipment - WNDR4000 (3.24 mb)
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manual abstract
Alternatively, you can configure your computer manually with DNS addresses, as explained in the documentation for your computer. • Your computer might not have the N750 wireless gigabit router configured as its default gateway. Restart the computer, and verify that the N750 wireless gigabit router address (192.168.1.1) is listed by your computer as the default gateway address. The factory default N750 wireless gigabit router IP address is 192.168.1.1. However, if the router detects a conflict with the address it gets from your modem, it automatically picks a different address for itself. In this case, you can log in to the router using to verify its LAN IP address. Select LAN Setup under Advanced on the main menu. Take note of the LAN TCP/IP setup IP address, which should match the default gateway IP address on your computer. Troubleshooting Connectivity Using the Ping Utility Most computers and routers have a diagnostic utility called ping that sends an request to a target device. The device then replies. The ping utility makes it easy to troubleshoot a network. This section includes advanced troubleshooting techniques. Testing the Path from a PC to Your Router You can ping the N750 wireless gigabit router to verify that the LAN path from your computer to your router is set up correctly. Troubleshooting To ping the wireless router: 1. From the Windows toolbar, click Start and select Run. 2. In the field provided, type Ping followed by the address of the router, as in this example: ping or ping 192.168.1.1 3. Click OK. You should see a message like this one: Pinging 192.168.1.1 with 32 bytes of data If the path is working, you see this message: Reply from 192.168.1.1: bytes=32 time=NN ms TTL=xxx If the path is not working, you see this message: Request timed out If the path is not functioning correctly, you could have one of the following problems: • Wrong physical connections – Make sure that the LAN port light is on. If the light is off, follow the instructions in “Front Panel” on page 3. – Check that the corresponding lights are on for your computer’s network interface card. • Wrong network configuration – Verify that the Ethernet card driver software and TCP/IP software are both installed and configured on your computer. – Verify that the IP address for your router and your computer are correct and that the addresses on both begin with 255.255.255.0. Testing the Path from a PC to the Internet After verifying that the path between your computer and the N750 wireless gigabit router works correctly, test the path from your PC to the Internet. From the Windows Start > Run... menu, type: PING -n 10