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    Junos OS CoS Library for Security Devices

    The Junos operating system (Junos OS) Class of Service (CoS) enables you to divide traffic into classes and offer various levels of throughput and packet loss when congestion occurs. This allows packet loss to happen according to rules that you configure.

    This page links you to topics that describe how to use and configure key security features on J Series Services Routers and SRX Series Services Gateways running Junos OS. It provides conceptual information, suggested workflows, and examples where applicable.

    The information in this pathway page is intended for the following users:

    • Customers with technical knowledge of and experience with networks and network security, the Internet, and Internet routing protocols
    • Network administrators who install, configure, and manage Internet routers

     

    Junos OS for SRX Series Services Gateways, Release 12.1X46