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How to change mac from static to dynamic in mac-address-table (switch)?I find this official source but still not understand what options I must choose.

Something like this:

switch(config)# mac-address-table static 12ab.47dd.ff89 vlan 3 interface fastethernet 2/1 auto-learn

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1 Answer 1

up vote 7 down vote accepted

You can't change a static entry to dynamic. Just delete the static entry and the switch will add its own dynamic entry when that host sends a frame.

Use the "no" syntax to delete an address. E.g.:

no mac-address-table static 12ab.47dd.ff89 vlan 3
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