Allied Telesis AT-S63 - Manual (Page 252)

Chapter 18: SNMPv3
252 Section III: SNMPv3
Note
The Row Status parameter is a read-only field in the web browser
interface. The Active value indicates the SNMPv3 SecurityToGroup
Table entry takes effect immediately.
7. Click Apply to update the SNMPv3 SecurityToGroup Table.
8. To permanently save your changes, select the Save Config option in
the Configuration menu.