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Ipconfig is a command-line utility in Windows that displays and manages your computer's TCP/IP network configuration values. It provides information such as your IP address, subnet mask, and default gateway, and can be used to refresh DHCP and DNS settings, release and renew IP addresses, and clear the DNS cache. It is a fundamental tool for network troubleshooting and administration.

Key functions and descriptions

Display configuration: Typing ipconfig alone shows basic information like the IP address, subnet mask, and default gateway for all network adapters.

Detailed information: The ipconfig /all command provides more extensive details, including the physical (MAC) address, DHCP server, DNS server addresses, and lease expiration times.

Refresh settings: ipconfig /release releases the current IP address, while ipconfig /renew requests a new IP address from the DHCP server.

Manage DNS: ipconfig /flushdns clears the DNS resolver cache, which can resolve issues with viewing updated websites.

Register DNS: ipconfig /registerdns refreshes DHCP leases and re-registers the DNS name.

Troubleshooting: The command is essential for diagnosing network connectivity problems by providing a clear view of how your computer is communicating on the network.