5.5.2

Table Of Contents
Trap Host Management Workflows
The Trap Host Management workflow category contains workflows that allow you to manage the SNMP
trap host.
You can access these workflows from Library > SNMP > Trap Host Management on the Workflows view in
the Orchestrator client.
Workflow Name Description
Set the SNMP trap port Sets the port on which Orchestrator listens for SNMP traps.
Start the trap host Orchestrator starts listening for SNMP traps.
Stop the trap host Orchestrator stops listening for SNMP traps.
Set the SNMP Trap Port
You can run a workflow to set the port on which Orchestrator listens for SNMP traps.
The default port for SNMP traps is 162. However, on Linux systems, you can open ports bellow 1024 only
with superuser privileges. To ensure better compatibility, the default port for listening to SNMP traps in the
SNMP plug-in is set to 4000.
Prerequisites
n
Verify that you are logged in to the Orchestrator client as an administrator.
n
Verify that you have a connection to an SNMP device from the Inventory view.
Procedure
1 Click the Workflows view in the Orchestrator client.
2 In the workflows hierarchical list, select Library > SNMP > Trap Host Management and navigate to the
Set the SNMP trap port workflow.
3 Right-click the Set the SNMP trap port workflow and select Start workflow.
4 In the Port text box, type the port number on which Orchestrator should listen for SNMP traps.
5 Click Submit to run the workflow.
The workflow stops the trap host, sets the new port, and starts the trap host again.
Receiving SNMP Traps
The SNMP plug-in can receive SNMP traps by running a workflow, which waits for a single trap message,
or with a policy, which can handle traps continuously. The plug-in supports SNMPv1 and SNMPv2c traps.
Wait for a Trap on an SNMP Device
You can run a workflow that waits to recieve an SNMP trap from a specified device.
This workflow features a trigger, which stops the run of the workflow and waits for an SNMP trap before
continuing. When a trap is received, the workflow run resumes. You can use the workflow as part of more
complex workflows, or as a sample that you can customize or extend for a specific need.
Prerequisites
n
Verify that you are logged in to the Orchestrator client as an administrator.
n
Verify that you have a connection to an SNMP device from the Inventory view.
Using VMware vCenter Orchestrator Plug-Ins
100 VMware, Inc.