Edimax ES-3124REM User Manual page 24

0: disable rate control
1 ~ 1000: valid rate value.
7.Port Security: A port in security mode will be "locked"
without permission of address learning. Only the incoming
packets with SMAC already existing in the address table can be
forwarded normally. You can disable the port from learning any
new MAC addresses then use the static MAC addresses screen
to define a list of MAC addresses that can use the secure port.
Enter the settings, then click Apply button to changes on this
page.
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