After you remove the static command (drop) , the mac address should be dynamically learned again only if switch receives any frame with given source MAC. Can you please send some traffic from the attached device (source MAC of 1c-bd-b9-d7-66-57) and check following commands again from switch?
- show mac address-table interface <where the device is attached to>
-show mac address-table | i 6657
- show mac address-table static | i 6657
- show run | i mac address-table static
- show run interface <where the device is attached to>
If the switch fails to learn the MAC even after receiving frame from the device, then it could be buggy. For testing purpose, you ca try deleting and adding back Vlan 3 in Vlan database and see f that makes any difference.
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