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| SNMP | SmartNA-X 1G/10G Modular
SmartNA-X
™
1G/10G User Guide 1.4
©
2015 Network Critical Solutions Limited
Chapter
10
SNMP
Enabling SNMP
The SNMP agent on this device is disabled by default. Enable the agent to allow SNMP hosts and management stations to
connect with this device.
1.
Click on the chassis and select the
SNMP
tab.
2.
Select the
SNMP enabled
checkbox, highlighted in the figure below.
3.
Click
Review/apply
and review pending changes. To apply these changes to the system, click
Apply changes
or click
'
X
' to cancel.
Figure 63: SNMP enabled checkbox (highlighted)
SNMP versions and workflow
This device functions as an SNMP agent and supports SNMP v1, v2, and v3. It also reports system events to trap receivers
using the traps defined in the MIB that it supports.
SNMP v1 and v2
To control access to the system, a list of community entries is defined. Each community entry consists of a community
string and its access privilege. Only SNMP messages with the suitable community string and operation are responded to
by the system.
SNMP agents maintain a list of variables that are used to manage the device. The variables are defined in the Management
Information Base (MIB). The MIB presents the variables controlled by the agent.
SNMP v3
In addition to the functionality provided by SNMP v1 and v2, SNMP v3 applies access control and new trap mechanisms
to SNMPv1 and SNMPv2 PDUs. The SNMPv3 architecture introduces the User-based Security Model (USM) for
message security. The security features of USM include: