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ROS™ v3.5 36 RS400
1.11 SNMP Management
ROS supports Simple Network Management Protocol Version 3 (SNMPv3). This protocol
provides secure access to devices by a combination of authentication and encrypting packets
over the network. The security features provided are:
• message integrity - ensuring that a packet has not been tampered with in-transit
• authentication – determining the message is from a valid source
• encryption – scrambling the contents of a packet to prevent it from being seen by an
unauthorized source.
SNMPv3 provides security models and security levels. A security model is an authentication
strategy that is set up for a user and the group in which the user resides. A security level is a
permitted level of security within a security model. A combination of a security model and
security level will determine which security mechanism is employed when handling an SNMP
packet.
Note the following about SNMPv3 protocol:
• each user belongs to a group
• a group defines the access policy for a set of users
• an access policy defines what SNMP objects can be accessed for: reading, writing and
creating, notifications
• a group determines the list of notifications its users can receive
• a group also defines the security model and security level for its users.
1.11.1 SNMP Users
These parameters provide the ability to configure users for the local SNMPv3 engine. Note that,
if employed security level is SNMPv1 or SNMPv2, user Name represents a community name for
authentication or sending traps. Up to 32 entries can be configured.
Figure 14: SNMP User Table