Chapter 47 Access Control
GS2220 Series User’s Guide
406
Fig ure 312 Management > Access Control > SNMP > User
The following table describes the labels in this screen.
Table 214 Management > Access Control > SNMP > User
LABEL DESC RIPTIO N
User Information
Note: Use the user name and password of the login accounts you specify in this
screen to create accounts on the SNMP v3 manager.
Username Specify the user name of a login account on the Switch.
Security Level Select whether you want to implement authentication and/or encryption for SNMP
communication from this user. Choose:
• no a uth – to use the user name as the password string to send to the SNMP manager. This is
equivalent to the Get, Set and Trap Community in SNMP v2c. This is the lowest security
level.
• a uth – to implement an authentication algorithm for SNMP messages sent by this user.
• priv – to implement authentication and encryption for SNMP messages sent by this user.
This is the highest security level.
Note: The settings on the SNMP manager must be set at the same security level or
higher than the security level settings on the Switch.
Authentication Select an authentication algorithm. MD5 (Message Digest 5) and SHA (Secure Hash Algorithm)
are hash algorithms used to authenticate SNMP data. SHA authentication is generally
considered stronger than MD5, but is slower.
Password Enter the password of up to 32 ASCII characters (except [ ? ], [ | ], [ ' ], [ " ] or [ , ]) for SNMP
user authentication.
Privacy Specify the encryption method for SNMP communication from this user. You can choose one
of the following:
• DES – Data Encryption Standard is a widely used (but breakable) method of data
encryption. It applies a 56-bit key to each 64-bit block of data.
• AES – Advanced Encryption Standard is another method for data encryption that also
uses a secret key. AES applies a 128-bit key to 128-bit blocks of data.
Password Enter the password of up to 32 ASCII characters (except [ ? ], [ | ], [ ' ], [ " ] or [ , ]) for
encrypting SNMP packets.
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