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Dell SmartFabric OS10 User Guide Release 10.5.4

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SNMP security models and levels

OS10 supports SNMP security models v1, v2c, and v3. The supported security levels are no authentication, authentication, and privacy.

You specify the SNMP security model and level when you configure SNMP groups and users. Each security model corresponds to an SNMP version that provides different security levels:

  • SNMPv1 provides no user authentication or privacy protection (encryption). SNMP messages are sent in plain text.
  • SNMPv2c provides no user authentication or encryption. SNMP messages are sent in plain text.
  • SNMPv3 provides user-configured security levels for user authentication and encryption of SNMP messages:
    • No user password or message encryption
    • User authentication only
    • User authentication and message encryption

The supported characters for SNMP user password are:

  • A-Z
  • a-z
  • 0-9
  • +/
  • _-
  • =
NOTE: When setting password for an SNMP server, ensure that the password does not begin with the hyphen (-) character. For example, the following error message is displayed when you enter a password that begins with the hyphen character: 
OS10(config)# snmp-server user test v3group 3 auth sha -abcd1234 priv aes -abcd1234 
% Error: SNMP-V3 USM Local user AES: Failure op 2 priv aes parameters for Local user

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