Chapter 13
| Basic Administration Protocols
Simple Network Management Protocol
– 421 –
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 and
v2c. The following table shows the security models and levels available and the
system default settings.
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.
Command Usage
Configuring SNMPv1/2c Management Access
To configure SNMPv1 or v2c management access to the switch, follow these steps:
1. Use the Administration > SNMP (Configure Global) page to enable SNMP on the
switch, and to enable trap messages.
2. Use the Administration > SNMP (Configure User - Add Community) page to
configure the community strings authorized for management access.
3. Use the Administration > SNMP (Configure Trap) page to specify trap managers
so that key events are reported by this switch to your management station.
Table 28: SNMPv3 Security Models and Levels
Model Level Group Read View Write View Notify View Security
v1 noAuthNoPriv public
(read only)
defaultview none none Community string only
v1 noAuthNoPriv private
(read/write)
defaultview defaultview none Community string only
v1 noAuthNoPriv user defined user defined user defined user defined Community string only
v2c noAuthNoPriv public
(read only)
defaultview none none Community string only
v2c noAuthNoPriv private
(read/write)
defaultview defaultview none Community string only
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 user defined user defined user defined user defined Provides user authentication via MD5 or SHA
algorithms
v3 AuthPriv user defined user defined user defined user defined Provides user authentication via MD5 or SHA
algorithms and data privacy using DES 56-
bit encryption
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