Allied Telesis AT-S63 - Manual (Page 232)

Chapter 17: SNMPv3
232 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.