44 Rockwell Automation Publication 1783-UM003G-EN-P - December 2012
Chapter 2 Switch Software Features
network. The security model used by SNMPv3 is an authentication strategy that
is set up for a user and the user’s group. A security level is the permitted level of
security within a security model. A combination of a security model and a
security level determines which security mechanism is used for an SNMP packet.
Following are some guidelines about SNMPv3 objects.
• Each user belongs to a group.
• A group defines the access policy for a set of users.
• An access policy defines which SNMP objects can be accessed for reading,
writing, and creating.
• A group determines the list of notifications that its users can receive.
• A group also defines the security model and the security level for its users.
• An SNMP view is a list of MIBs that a group can access.
• Data can be securely collected from SNMP devices without fear of the data
being tampered with or corrupted.
• Confidential information, for example, SNMP Set command packets that
change a router configuration, can be encrypted to prevent the contents
from being exposed on the network.
Supported MIBs
The following MIBs are supported by the Stratix 8000 and Stratix 8300 switches.
BRIDGE-MIB (RFC1493)
CISCO-BULK-FILE-MIB
CISCO-BRIDGE-EXT-MIB
CISCO-CDP-MIB
CISCO-CONFIG-COPY-MIB
CISCO-CONFIG-MAN-MIB
CISCO-DHCP-SNOOPING-MIB
SNMPv.3 is available only in the cryptographic version of the
switch firmware.
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