While it is always seen during bridging loops but just seeing it is not neccessarily a bridging loop. Once classic scenario where you would see it intermittently is in a wireless environment when a device roams from one Access point to another. However, if you are seeing it all the time, it needs to be investigated further.
Learn, share, save
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.