Tip | Using Wireshark To Detect Duplicate IP Addresses On Your Network.
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Whether commissioning or troubleshooting a system, duplicate IP addresses can lead to a number of issues. Wireshark is a useful tool for scanning the network for possible issues including duplicate IPs. Use the steps below to scan for these issues.
- From the filter dropdown box, select arp.duplicate-address-frame.
- Begin a capture, this will display duplicate IP information in the captured frames. Devices with the same IP addresses will show in the capture with different MAC addresses.