5
Simple Network Management Protocol
Model Level
v1
noAuthNoPriv public
v1
noAuthNoPriv private
v1
noAuthNoPriv user defined user defined user defined user defined Community string only
v2c
noAuthNoPriv public
v2c
noAuthNoPriv private
v2c
noAuthNoPriv user defined user defined user defined user defined Community string only
v3
noAuthNoPriv user defined user defined user defined user defined A user name match only
v3
AuthNoPriv
v3
AuthPriv
Note:
The predefined default groups and view can be deleted from the system. You can
then define customized groups and views for the SNMP clients that require access.
Enabling the SNMP Agent
Enables SNMPv3 service for all management clients (i.e., versions 1, 2c, 3).
Command Attributes
SNMP Agent Status – Enables SNMP on the switch.
Web – Click SNMP, Agent Status. Enable the SNMP Agent by marking the Enabled
checkbox, and click Apply.
CLI – The following example enables SNMP on the switch.
Console(config)#snmp-server
Console(config)#
5-2
Table 5-1 SNMPv3 Security Models and Levels
Group
Read View
defaultview
(read only)
defaultview
(read/write)
defaultview
(read only)
defaultview
(read/write)
user defined user defined user defined user defined Provides user
user defined user defined user defined user defined Provides user
Figure 5-1 Enabling the SNMP Agent
Write View Notify View Security
none
none
defaultview none
none
none
defaultview none
Community string only
Community string only
Community string only
Community string only
authentication via MD5 or
SHA algorithms
authentication via MD5 or
SHA algorithms and data
privacy using DES 56-bit
encryption
24-2
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