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Generating a JMB


The Junos OS event process (eventd) listens to events generated by Junos OS processes such as chassis process (chassisid), routing protocol process (rpd), and device control process (dcd). When an event occurs, the event process (eventd) scans the event table in the kernel and executes the script from the AI-Scripts bundle that matches the event. The eventd process uses criteria such as the name of the event, count of the event, or correlated events occurring within a specific time interval as a trigger to execute the event script.

An event script, when triggered, collects the manifest data for an eJMB or the manifest and trend data for an iJMB and compiles the data into a JMB. AI-Scripts collect attachments and logs separately and store the JMB, attachments, and logs in the /var/tmp directory of the device.

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