Introduction to the NPB Application
    
The Extreme 9920 device runs an operating system (TierraOS) that runs one or more applications. This version of
        the Extreme 9920 software has one application (NPB application).
        The 
NPB application provides network packet broker functions:
                - Aggregate, inspect, and classify
                    network traffic from ingress ports
- Process network traffic according
                    to policies
- Forward traffic to analytic
                    applications