I have a frame with dest mac A getting to gateway which has a mac of B. How is that possible. Mac A is the mac of a device present on LAN. Question is how does the frame get to gateway using a different dest mac than the gateway's mac.
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It's a unicast MAC? If so, could it have been unicast flooded? Or, SPAN isn't configured, is it?
It is Unicast. No SPAN configured. Plenty of mac room and also all macs involved are correctly in mac table of the switch (N6k) with corresponding interfaces. IG bit and LG bit both 0. What else can I check ?
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