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A small blob of MAC addresses were flap copied to 2 VLANs. When the switch stopped learning it upset some computers. Thank you very much for the education. I’m a bit less lost now.
In our environment with two VPC connected Nexus 9396 switches this message was generated when we move a device from one Vlan to another Vlan on an access switch. what occurred was the MAC address appeared on both the Vlans so loop prevention was ena...
