ZyXEL Communications LTE5121, User Manual

Page: 202 / 234

Chapter 21 SNMP
LTE-5121 User’s Guide
202
The managed devices contain object variables/managed objects that define each piece of
information to be collected about a device. Examples of variables include such as number of
packets received, node port status etc. A Management Information Base (MIB) is a collection of
managed objects. SNMP allows a manager and agents to communicate for the purpose of accessing
these objects.
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 LTE
Device SNMP settings.
Figure 133
Maintenance > SNMP
The following table describes the fields in this screen.
Table 89
Maintenance > SNMP
LABEL DESCRIPTION
Get Community Enter the Get Community, which is the password for the incoming Get and
GetNext requests from the management station. The default is public and
allows all requests.
Set Community Enter the Set community, which is the password for incoming Set requests
from the management station. The default is public and allows all requests.
Trap Community Type the trap community, which is the password sent with each trap to the
SNMP manager. The default is public and allows all requests.
Trap Destination Type the IP address of the station to send your SNMP traps to.
Apply Click Apply to save your changes back to the LTE Device.
Cancel Click Cancel to restore your previously saved settings.