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    Device Snapshots Overview

    Service Now periodically collects and displays Information Juniper Message Bundles (iJMBs) that contain information about devices. iJMBs are also called device snapshots. They are processed and displayed on the Device Snapshot page in the Service Now application. You can upload these device snapshots to JSS where they are added to the Customer Intelligence Database (CIDB) and then processed and analyzed to provide preventive measures.

    You can filter the configuration content from device snapshots that are sent to JSS by setting the JMB Filter Level while creating the organization (See Adding an Organization to Service Now) and then track the status of the device snapshot submission to JSS. You can also stop device snapshots from being sent to JSS.

    After you install AI-Scripts on a device, device snapshots are sent from each device to Service Now and from Service Now to JSS every 7 days. The configuration information in a device snapshot that is shared with JSS depends on the JMB Filter Level settings made while creating the organization to which the devices belongs.

    The device snapshots that are received by Service Now and yet to be submitted to JSS are stored with the status Initial. After the 7 days elapse, the latest device snapshot sent from the device is submitted to JSS. This means that when a device sends multiple device snapshots to Service Now, only the most recent device snapshot is submitted to JSS and the remaining device snapshots are denoted with the status Skipped. Device snapshots are denoted with the Initial status for several reasons. To know why a device snapshot is not submitted to JSS, you can hover over its Status in the tabular view of the Device Snapshot page. The Status field also displays additional information such as the reasons for not loading information JMBs and messages for errors that might have occurred while loading the JMB.

    Devices that have stopped sending iJMBs (device snapshots) to Service Now for more than two weeks are also detected and graphically displayed on the Administration page. To list these devices, you can click the Devices Not Sending Snapshots bar of the Devices Not Sending Device Snapshots graph. These devices are displayed on the Service Now Devices page where you can view their details and export them to HTML format. The Quick View of the Device Snapshots page uses different icons to help you identify snapshots that are successfully uploaded to JSS and the device snapshots that could not be uploaded to JSS. For a description of these icons, see Service Now Icons and Inventory Pages.

    Service Now generates iJMBs automatically for all devices associated to a device group when the devices stop sending iJMBs. The iJMBs are generated based on the commands available in a directive file pre-loaded in Service Now. The behavior of these iJMBs is the same as the iJMBs generated by event scripts. The Service Now administrator receives a message when Service Now generates iJMBs automatically for one or more devices.

    Service Now generates iJMBs automatically if:

    • Service Now detects that a Junos upgrade has occurred but an event profile is reinstalled, or if Service Now detects that the device has not sent an iJMB for some time
    • an event profile was never installed on a device, but the device is associated to a device group in Service Now

    If an event profile is installed on the device and an iJMB is received from the device, then Service Now stops creating iJMBs for the device. If the notification policy Switch over enabled for IJMB is enabled, the administrator is notified by an e-mail or an SNMP Trap when Service Now generates iJMBs for one or more devices. If the notification policy Switch over enabled for IJMB is not enabled, only e-mails are sent to the administrator when Service Now generates iJMBs. No SNMP traps are sent.

    You can perform the following tasks using the Information Device Snapshots tab:

    Modified: 2016-08-11