A seasoned network engineer I am not but was able to figure it out within a few minutes. This particular subnet was wired-only, so I knew I could track it down. Obviously something was responding on that IP Address but I didn’t know what it was. I restarted the device but it did not resolve the issue. I went through a few troubleshooting steps and found that while I could ping it’s statically assigned IP – it did not show up in the Ubiquiti management console. I received an alert the other day that one of my Wireless APs had gone offline. It is an older but quite serviceable switch. My Homelab uses a Dell PowerConnect 6248 at it’s core. In this case, I figured out how to find the MAC Address of an errant device on my network using it’s IP Address. I hope they benefit others as well… Rogue IP Addresses can mess up the day We all perform steps that are only needed once in a while but when you need them – you really need them! I know they will help me. I”ll be using this category to document bits of knowledge that I don’t want to lose. Welcome to the inaugural post in my Before I Forget series.
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