TRENDnet TE100 S810Fi - Manual (Page 34)

1.Press <Edit> to enable or disable the port security.
2.Press Space key to choose enable / disable item.
3.Press ESC to go back action menu line, and then select <Save> to save
all configure value.
4-3-7-2.MAC Age Interval
Type the number of seconds that an inactive MAC address remains in the
switch’s address table. The valid range is 300~765 seconds. Default is
300 seconds.