


There are two ways to obtain an IP address automatically: through a DHCP server or APIPA (Private IP Address Assignment). To view your assigned IP address, use "ipconfig" from the command prompt on Windows, "Network" in System Preferences on macOS, and "ifconfig" on Linux.
How to Obtain an IP Address Automatically
Obtaining an IP Address Automatically is a convenient way to provide your The device is assigned a unique address on the network. Here are two common methods:
1. DHCP (Dynamic Host Configuration Protocol)
- The DHCP server automatically assigns IP addresses to devices connected to the network.
- The device will broadcast its DHCP request and the server will respond and assign an available IP address.
- IP addresses are typically renewed periodically to ensure continuity of the connection.
2. Automatic Private IP Address Assignment (APIPA)
- If there is no DHCP server on the network, the device will automatically assign a private IP address .
- The range is usually 169.254.0.1 to 169.254.255.254.
- APIPA addresses can only be used on the local network and cannot be used to connect to external networks.
View the assigned IP address
After the IP address is assigned, you can view it by following these steps:
-
Windows:
- Type "ipconfig" in the command prompt and press Enter.
-
MacOS:
- Click Apple menu > System Preferences > Network.
- Select your network connection and click Advanced.
- Find your IP address in the "TCP/IP" tab.
-
Linux:
- Type "ifconfig" in the terminal and press Enter.
Now you know the different ways to automatically obtain an IP address, and how to view your assigned IP address.
The above is the detailed content of How to check the IP when automatically obtaining the IP address. For more information, please follow other related articles on the PHP Chinese website!

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