VMware Aria Automation 8.16

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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 receive an SNMP trap from a specified device.
  • Verify that you are logged in to the
    Automation Orchestrator
     Client as an administrator.
  • Verify that you have a connection to an SNMP device from the
    Inventory
     view.
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.
  1. Navigate to
    Library
    Workflows
     and enter the
    snmp
     tag in the workflow search box.
  2. Locate the
    Wait for a trap on an SNMP device
     workflow and click
    Run
    .
  3. Select the device on which you want to wait for an SNMP trap.
  4. In the
    OID
     text box, enter the object identifier of a specific trap.
    If you leave the text box empty, the workflow run resumes after receiving any trap from the specified SNMP device.
  5. Click
    Run
    .

Set an SNMP Trap Policy

You can set a policy to continuously listen for traps from an SNMP device that is already registered in the plug-in inventory.
  • Verify that you are logged in to the
    Automation Orchestrator
     Client as an administrator.
  • Verify that you have a connection to an SNMP device from the
    Inventory
     view.
  1. In the
    Automation Orchestrator
     Client, navigate to
    Library
    Policies
    .
  2. Open the
    SNMP Trap policy
     template and click
    Run
    .
  3. Enter a name for the policy that you want to create.
  4. Enter a description for the policy.
  5. Select an SNMP device for which to set the policy.
  6. Click
    Run
     to create the policy.
    The
    Automation Orchestrator
     Client switches to
    Run
     perspective.
  7. On the
    Policies
     view, right-click the policy that you created and select
    Start policy
    .
The trap policy starts to listen for SNMP traps.
You can edit the SNMP Trap policy.

Configure an SNMP Trap Host Policy

With the SNMP Trap Host policy listens for SNMP traps from hosts that might not be added as registered SNMP devices.
  • Verify that you are logged in to the
    Automation Orchestrator
     Client as an administrator.
  • Verify that you have a connection to an SNMP device from the
    Inventory
     view.
  1. In the
    Automation Orchestrator
     Client, navigate to
    Library
    Policies
    .
  2. Open the
    SNMP Trap Host
     policy template and click
    Run
    .
  3. Enter a name for the policy that you want to create.
  4. Enter a description for the policy.
  5. Select
    Trap Host (Online)
     from the inventory tree.
  6. Click
    Run
     to create the policy.
    The Orchestrator client switches to
    Run
     perspective.
  7. Right-click the policy and select
    Edit
    .
  8. In the
    Scripting
     tab, expand
    host
    OnTrapAll
    .
    1. Select a workflow or a script to associate with the policy.
  9. Click
    Save and close
     to apply the edited settings.
  10. On the
    Policies
     view, right-click the policy that you edited and select
    Start policy
    .
You can edit the SNMP Trap Host policy.

Edit a Trap Policy

You can edit a trap policy to customize it for a specific use case. When you edit a trap policy, you can change its priority and startup settings, and customize the scripting and permissions associated with the policy.
  • Verify that you are logged in to the
    Automation Orchestrator
     Client as an administrator.
  • Verify that you have a connection to an SNMP device from the
    Inventory
     view.
  1. In the
    Automation Orchestrator
     Client, navigate to
    Library
    Policies
    .
  2. If the policy that you want to edit is running, right-click the policy and select
    Stop policy
    .
  3. Right-click the policy and select
    Edit
    .
  4. From the
    General
     tab, edit the startup settings, priority, and description of the policy.
  5. From the
    Scripting
     tab, you can associate a specific workflow or scripting code with the policy, for integration in a more complex scenario.
    You can set the policy to trigger a custom workflow when a trap is received.
  6. From the
    Permissions
     tab, you can modify the access rights.
    You can give permissions to a user or to a group to start the policy, without giving permissions to edit the policy.
  7. Click
    Save and close
     to apply the edited settings.
  8. On the
    Policies
     view, right-click the policy that you edited and select
    Start policy
    .

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