Allied Telesis AT-S63 - Manual (Page 262)

Chapter 18: SNMPv3
262 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. From the Configuration menu, select the Save Config option to
permanently save your changes. (This option is not displayed if there
are no changes to save.)