Case Project 3-2: Interpreting a Checksum Error

You are a network technician using Wireshark to monitor IPv4 traffic between two nodes on the local network. You select a packet in the capture and then expand Internet Protocol Version 4. You notice that the header checksum is incorrect, as shown in Figure 3-26. What could be the cause of this error, based on your knowledge of modern network hardware and Wireshark?