If the transfer statistics indicates activity but you still experience problems, the issue is probably a network or service problem and not the network interface. It’s safe to conclude that Safari used the en7 interface for network traffic. In the following example, there were initially 1,276 received packets Safari was then used to generate network traffic then there were 16,100 received packets. If you open an app like Safari to cause some network traffic, then run the netstat command again, you can verify that packets are being sent and received from this interface. You can also use netstat to analyze network transfer statistics. Oerrs-Number of errors related to packets sent by the interface Opkts-Number of packets sent by the interface Ierrs-Number of errors related to packets received by the interface Ipkts-Number of packets received by the interface Here are some of the values in the table:Īddress-MAC address, IPv6 address, or IPv6 address it’s common to see each interface have three addresses listed

The -di option adds a count of dropped packets as well. The -I option provides a table with cumulative counts of network packets transferred, errors, and collisions. The name for a network interface may vary depending on the configuration of your Mac, including the other network interfaces you’ve configured for your Mac.

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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