Windows ipconfig Command Guide and Troubleshooting

What is ipconfig?

ipconfig is a built-in Windows command-line tool that displays the current network interface's IP address, subnet mask, default gateway, and more.

Common Parameters

• ipconfig: Displays basic network information.
• ipconfig /all: Shows detailed network configuration, including MAC address and DNS servers.
• ipconfig /release: Releases the current assigned IP address.
• ipconfig /renew: Requests a new IP address from the DHCP server.
• ipconfig /flushdns: Clears the local DNS cache.

Troubleshooting

If you experience network connectivity issues or IP conflicts, try running ipconfig /release and ipconfig /renew to obtain a new address, or ipconfig /flushdns to refresh the DNS cache.

Advanced ipconfig Scenarios

Beyond the basics, ipconfig becomes especially powerful when combined with other Windows networking commands. For instance, running ipconfig /all followed by netstat -rn gives you a complete picture of both your current IP assignments and your active routing table — an essential combination when diagnosing routing mismatches or VPN conflicts.

Another underused scenario: when connected to multiple networks simultaneously (e.g., wired + Wi-Fi + VPN), ipconfig lists each adapter separately. Learning to identify which adapter is actually carrying your traffic helps you debug split-tunneling issues, unexpected default gateway conflicts, and DNS leaks in seconds.

When ipconfig Is Not Enough

For deeper network diagnostics, ipconfig is just the starting point. Use it to confirm your IP configuration, then escalate to ping and tracert to trace packet paths, or nslookup to verify DNS resolution independently of your current DNS cache. The combination of these tools covers the vast majority of Windows network issues without needing third-party software.