Allied Telesis AT-S25 - Manual (Page 74)

Section II: Local and Telnet Mangement
74
10. Type 1 to select Display MAC Threshold.
The current MAC address limits for the port groups are displayed.
11. Examine the MAC limits. Check to be sure that they are correct. If you
assigned different values to different port groups, be sure that the
different values apply to the correct groups. If necessary, repeat this
procedure to change any MAC address limits.
12. Type S to select Save Configuration Changes.
13. Once you have configured the maximum limits, go to the next
procedure to activate the Limited security level.