How To Find a Network Loop With Wireshark?
Share
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
1. To find a network loop using Wireshark, start by having a network administrator or engineer log into the router’s monitoring interface and view the LAN visual map to check for any physical loops.
2. Once there are no physical loops, open Wireshark, click on Capture > Interfaces, and select the interface connected to the LAN to start capturing packets.
3. In the packet capture window, look for duplicate IP addresses that indicate a loop.
4. If a loop is present, use the Analyze menu to choose the “Loop Detection” option. This will display any potential loops in the network.
5. To confirm the existence of a loop, take a closer look at the packets associated with the conflicting IP address.
6. If the packets come from the same source, it is an indication that a loop exists in the network.
7. After identifying the presence of a loop, it is important to determine the cause of the loop before taking corrective measures.
8. To do this, analyze the packets and trace back the source of the looped traffic to its source. This can help you identify the culprit and take the necessary steps to resolve the issue.