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IP Addressing

IP addressing is the system that identifies network interfaces so devices can send traffic to the intended destination.

IP Addressing instructions, reference material, and troubleshooting.

Which IP address should I check?

Check the adapter carrying the connection you are troubleshooting, such as Wi-Fi or Ethernet. A PC can also have VPN and virtual adapters. Record the address, subnet mask and default gateway together so you can distinguish the active connection from an unused adapter.

Does a local IP address prove internet access works?

No. An address describes one part of the connection; it does not prove the gateway, DNS or a particular website is reachable. Start with the address guide, then follow the networking guides for the specific connection that fails.

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