SNMPv3 uses a combination of authentication and encryption over the network to provide secure device access:
Helps ensure that the packet was not altered during transmission.
Encrypts package contents to prevent viewing from unauthorized sources.
SNMPv3 uses security models and security levels. A security model is an authentication strategy set up for a user and the group in which that user resides. A security level is the permitted level of security in a security model. A combination of a security model and a security level determines the security mechanism for handling SNMP packets. This combination enables secure data collection from SNMP devices and encryption of confidential information to prevent exposure in network transmissions.
The SystemEDGE agent uses the User-based Security Model (USM) for SNMP-based communication. You can configure the SystemEDGE agent to use specified SNMPv3 users, authentication and encryption protocols, and passwords. For more information about enabling and configuring SNMPv3, see the chapter "Agent Configuration."
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