To support application interaction with Junos OS, the JETservice process (jsd), by default, uses TCP port 32767 to listen for and receive requests from applications to execute APIs. Whenever a request comes on the TCP port, jsd creates a separate thread to service the JET application request. The session remains established as long as the client and server are both up and able to communicate with each other. Over the lifetime of a session, jsd can execute many APIs, and it can execute APIs from multiple sessions in parallel. You can have a maximum of 8 active client sessions connected at any given time.

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Python automation scripts import the Junos_Context dictionary when the script must access information about the script execution environment. The Junos_Configuration object is required when the commit script must read and manipulate the post-inheritance candidate configuration.

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