Chapter 31 SNMP
EMG6726/8726-B10A User’s Guide
256
SNMP itself is a simple request/response protocol based on the manager/agent model. The manager
issues a request and the agent returns responses using the following protocol operations:
• Get - Allows the manager to retrieve an object variable from the agent.
• GetNext - Allows the manager to retrieve the next object variable from a table or list within an agent.
In SNMPv1, when a manager wants to retrieve all elements of a table from an agent, it initiates a Get
operation, followed by a series of GetNext operations.
• Set - Allows the manager to set values for object variables within an agent.
• Trap - Used by the agent to inform the manager of some events.
Click
Maintenance > SNMP
to open the following screen. Use this screen to configure the EMG SNMP
settings.
Figure 169
Maintenance > SNMP
The following table describes the fields in this screen.
Table 122 Maintenance > SNMP
LABEL
DESCRIPTION
SNMP Agent
Select
Enable
to let the EMG act as an SNMP agent, which allows a manager station to
manage and monitor the EMG through the network. Select
Disable
to turn this feature off.
Get Community
Enter the
Get Community
, which is the password for the incoming Get and GetNext requests
from the management station.
Set Community
Enter the
Set community
, which is the password for incoming Set requests from the
management station.
Trap Community
Enter the
Trap Community
, which is the password sent with each trap to the SNMP manager.
The default is public and allows all requests.
System Name
Enter the SNMP system name.
System Location
Enter the SNMP system location.
System Contact
Enter the SNMP system contact.
Trap Destination
Type the IP address of the station to send your SNMP traps to.
Apply
Click this to save your changes back to the EMG.
Cancel
Click this to restore your previously saved settings.