Allied Telesis AT-S62 - Manual (Page 192)

Chapter 19: SNMPv3 Protocol
Section III: SNMPv3 Operations 192
The Modify SNMPv3 User Page is shown in Figure 61.
Figure 61 Modify SNMPv3 User Page
6. In the Authentication Protocol field, enter an authentication protocol.
This is an optional parameter.
Select one of the following:
MD5
This value represents the MD5 authentication protocol. With this
selection, users are authenticated with the MD5 authentication
protocol after a message is received. With this selection, you can
configure a Privacy Protocol.
SHA
This value represents the SHA authentication protocol. With this
selection, users are authenticated with the SHA authentication
protocol after a message is received. With this selection, you can
configure a Privacy Protocol.
None
This value represents no authentication protocol. When messages
are received, users are not authenticated. With the None
selection, you cannot configure a Privacy Protocol.
Note
When you change the Authentication Protocol field, you must
reenter the authentication password. In addition, if the Privacy
Protocol is set to DES and you change Authentication Protocol, then
you must reenter the Privacy Password.