This article will walk through the process of adding a device to inventory and configuring SNMP Trap definitions for generating alerts. 

Prerequisites

Before getting started, please makes sure the following has been completed. 

1. Enable SNMP on the device(s) you will be adding to Goliath Performance Monitor
2. Identify/assign a community string for your devices
   1. (this will be needed later during configuration)

Prepare Goliath for SNMP Trap Monitoring

1. Connect to the Goliath Server via RDP or a console session
2. Open Server Manager and go to Manage>Add Roles & Features
3. Proceed through the Add Roles & Features Wizard, on the Features pane, ensure the SNMP Service is installed
   1. If not, please check the box and install the feature
4. Once the SNMP Service is installed, open Windows Services and go to the properties of the SNMP Service
5. Navigate to the Traps tab of the SNMP Service properties
6. Add the community string(s) you would like the technology to accept and click apply
7. Navigate to the Security tab of the SNMP Service properties
8. In the bottom section of the Security tab, ensure the radio button for accept SNMP packets from any host is selected
9. Click Apply and restart the SNMP Service
10. Close Windows Services

Configure SNMP Trap Monitoring

1. Open the Goliath web console and navigate to Configure>Inventory 
2. Next, you’ll want to add in the device(s) you are looking to monitoring. If they are not in the technology already. please see the below instructions for adding them in, as appropriate. 
   1. Auto-Discovery
      1. Click the menu button at the top of the page and select the sub menu option for Discovery
      2. Check off the box for Find Servers/Devices in IP Address Range
      3. Specify the IP Address range of the device(s) you wish to monitor
      4. Select OK at the bottom to begin discovery
      5. A new pane will appear and will start to load and list out the discovered machines/devices
      6. After discovery completes select the check box next to the appropriate device and select Add at the bottom
   2. Manual Addition
      1. Select New at the top of the page
      2. Specify the name of the device
      3. Next to the ‘Primary IP Address’ field click the Add link
      4. Specify the IP address of the device and click OK when finished
      5. Click save
      6. Repeat process to add additional devices
3. Once the device(s) have been added, go to Configure>Monitoring Rules
4. Click the New button at the top of the page and then select the option for SNMPTrapWatch
5. Name the Monitoring Rule in the Rule Name field, as well as define the description and the severity.
6. The Trap OID(s) field, defines the Trap OID(s) for this Monitoring Rule. Click the Add/Remove button immediately to the right to modify the drop-down list.
   1. Clicking the Add/Remove button displays a pop-up box with all available Trap OIDs.
   2. Check or uncheck the associated checkbox to include or exclude the OID from this Monitoring Rule.
   3. Click the Custom button to define a new SNMP Trap OID, and optionally add it to the SNMP Trap OID Definitions.
      1. For one time use, just enter the OID and click Apply
      2. To save the OID for future use, check the box Add to SNMP Trap Definitions Dictionary and define a Trap Name and Description
      3. Wildcards are supported in the OID
7. In the Selections tree, select the device(s) that you want to monitor the specified OID(s) on.
8. Click Save to complete the configuration

Post Configuration - What's Next?

Now that Goliath has been configured to receive SNMP traps, the data and information can be:

1. Viewed on our real-time dashboard via the Views>SNMP Trap page or Dashboard>Alerts page
2. Configured for scheduled or demand historical reports via the Reports page
   1. Reports>New Report
   2. Select the Report Type for Alert & Log Analysis, the report template Alert Analysis and click next
   3. Select the option for SNMPWatch Alerts and click next
   4. Select the objects/devices you'd like included in the report and click next
   5. Define the report details and click next
   6. Configure email/export options if applicable and click next
   7. Configure the reporting schedule and click done to save