American Fibertek SMH10p-PoE - Manual (Page 119)

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6.26.2 MAC Filtering
By filtering MAC address, the switch can easily filter the pre-configured MAC address
and reduce the un-safety. You can add and delete filtering MAC address.
MAC Filtering interface
 MAC Address: Enter the MAC address that you want to filter.
 Click
Add .
 If you want to delete the MAC address from the filtering table, select the MAC
address and click Delete .