ManageEngine® SQLDBManager Plus


SNMP Trap Listener

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SNMP Trap Listener

 

SNMP Trap Listener can be configured in such a way that, if a particular trap is received, actions can be configured and alarms will be generated accordingly. For e.g., you can configure a trap listener for system shutdown, you can assign the severity as critical and also associate an email action through SNMP Trap Listener. If the trap is received, then the severity becomes critical and an email alarm is generated.


The default port through which the traps are received is 1620. The default port can be changed by modifying <am.traplistener.port> property in <AMServer.properties> under AppManager Home/Conf directory. Restart the server for the changes to take effect.


Follow the steps given below to add a SNMP Trap Listener.

  1. Click the Add New option in SNMP Trap Listener under the Admin Tab. This will take you to the Add SNMP Trap Listeners page.


  2. Enter the Trap Listener Name.


  3. Choose the Status of the trap. The Status is 'enable' by default.


  4. Select the SNMP Trap version, either v1 or v2c.


    1. If you select v1, select the Generic Type. The various generic types are coldStart, warmStart, linkDown, linkUp, authenticationFailure, egpNeighborLoss, and enterpriseSpecific. If you select enterpriseSpecific type, you can also provide wildcard symbol ' * ' or numeric value for Specific Type field.


    2. Enter the Enterprise OID. You can use the MibBrowser to get the Object ID. If you select a Parent OID from the MibBrowser, all child OIDs will also be automatically listened.


    3. If the version is v2c, then enter the Trap OID.You can use the MibBrowser to get the Object ID.


  5. Select the Severity. It can be Clear, Warning, Critical or New Threshold Profile. If you select the 'New Threshold Profile' option, you have to specify the threshold name and the conditions for the different severities of alarms. By default, you can configure the condition for Critical severity. Select the 'Show Advanced Options' checkbox to configure Warning and Clear alarm severities.

  6. Trap can be received from any Host or you can specify the Host from which the trap can be received.


  7. Associate Actions that need to be executed when the trap is received. The actions can be chosen from the list of actions configured. If you have selected the 'New Threshold Profile' option under Severity, you have to associate the actions for the severities defined in the threshold profile.


  8. Save the Trap Listener.


You can view the Traps by clicking on 'View' from the Admin Tab. It opens up to 'View SNMP Trap Listeners' page, in which details about the trap listeners are given. Edit option is available to modify the traps listeners. Also, the alarms configured for the traps received can be viewed from the Alarms Tab.


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Alarm Escalation

Threshold