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MIB specifications and the protocol used to access this information over
the network.
The switch includes an onboard agent that supports SNMP versions 1, 2c,
and 3. This agent continuously monitors the status of the switch hardware,
as well as the traffic passing through its ports. A network management
station can access this information using software such as SMC EliteView.
Access to the onboard agent from clients using SNMP v1 and v2c is
controlled by community strings. To communicate with the switch, the
management station must first submit a valid community string for
authentication.
Access to the switch using from clients using SNMPv3 provides additional
security features that cover message integrity, authentication, and
encryption; as well as controlling user access to specific areas of the MIB
tree.
The SNMPv3 security structure consists of security models, with each
model having it’s own security levels. There are three security models
defined, SNMPv1, SNMPv2c, and SNMPv3. Users are assigned to
“groups” that are defined by a security model and specified security levels.
Each group also has a defined security access to set of MIB objects for
reading and writing, which are known as “views.” The switch has a default
view (all MIB objects) and default groups defined for security models v1