en7 is the name of an Apple USB Ethernet Adapter that’s connected to the MacBook Pro with a USB-C adapter. The following figure displays only a portion of the result of running the command. If you run ifconfig by itself, it returns the status of all network interfaces, even ones that aren’t configured and that don’t appear in Network preferences. Each network interface has a short UNIX-given name for example, the default Wi-Fi interface for Mac portable computers is en0. The ifconfig command enables you to view the detailed status of any network interface. In macOS Recovery you can access the Wi-Fi status menu to use a different Wi-Fi network. You can also open Terminal when you start your Mac from macOS Recovery (as covered in Lesson 5, “Use macOS Recovery”) by choosing Utilities > Terminal. Nc (netcat)-Check whether a network device has specific services available. Traceroute-Analyze how your network connections are routed to their destination. Nslookup, dig, host, and dscacheutil-Test DNS resolution. Ping-Test network connectivity and latency. Netstat (network status)-View routing information and network statistics. Ifconfig (interface configuration)-Inspect details regarding hardware network interfaces. This includes, but isn’t limited to, the following: MacOS provides several network identification and diagnostic commands that you can access in Terminal.

Learn More Buy Reference 23.2 Use Terminal to Troubleshoot Network Issues MacOS Support Essentials 11 - Apple Pro Training Series: Supporting and Troubleshooting macOS Big Sur

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