IPCONFIG

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Zach

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Here you will find additional information about IPCONFIG and resources so you can learn more about networking.

ipconfig is a command used in Windows to display and manage network settings.

Key Outputs of ipconfig:

• IPv4 Address – The primary address used for most network communication (e.g., 192.168.1.10).
• Subnet Mask – Defines the network portion of the IP address (255.255.255.0 for most home networks).
• Default Gateway – The router’s IP address, which directs traffic outside the local network (e.g., 192.168.1.1).
• IPv6 Address – A newer protocol designed to replace IPv4, but still not widely used in most home and corporate networks.

Common Variations of ipconfig:

• ipconfig /all – Displays full details, including MAC addresses and DHCP info.
• ipconfig /release – Releases the current IP lease (useful for DHCP troubleshooting).
• ipconfig /renew – Requests a new IP from the DHCP server.
• ipconfig /flushdns – Clears the DNS cache to resolve name resolution issues.

IPv4 vs. IPv6 – What’s Important?

• IPv4 (e.g., 192.168.1.10) is still dominant in most networks.
• IPv6 (e.g., fe80::1) is future-proof but not crucial to memorize for basic IT roles.
• Subnet Mask helps define network boundaries.
• Default Gateway is essential for external network communication.

For most IT troubleshooting, focus on IPv4 settings, default gateway, and subnet mask. IPv6 is good to understand but not a priority unless working in advanced networking.

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