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Get the lowdown on your network
By Ed Bott
When you're setting up or troubleshooting a local area network, it helps to know a few details about each PC on the network. What's the local IP address? What DNS servers are configured for your internet connection? Does your device have an IPv6 address?
For the answers to these and other questions, the Ipconfig command is your friend. Open a Command Prompt window (just type cmd in the Run box) and then enter ipconfig, with no switches, to see basic details about your network setup, including IP and IPv6 addresses and gateway information. Want more details? Use ipconfig /all to display a startling amount of detail, including DNS and DHCP information.
Ipconfig has a few more tricks up its sleeve, including the ability to flush the DNS resolver cache if you've switched DNS servers as part of troubleshooting. To see the full list of switches, type ipconfig /?.
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