The Cisco CLI Analyzer ( registered customers only) supports certain show commands. Commands and Scripts to Monitor Processes and CPUs Commands However, if average CPU usage remains high compared to normal, baseline CPU usage for a particular network, you might need to investigate high CPU usage.ĭefault hardware rate limiters (HWRL) and default control plane policing (CoPP) are enabled to help protect the supervisor inband interface on Nexus 7000 platforms. Therefore, the history option may report CPU spikes that do not necessarily indicate a problem. The Cisco NX-OS operating system takes advantage of preemptive CPU multitasking, so processes can take advantage of an idle CPU in order to complete tasks faster. Supervisor Engine 1 has a dual-core processor, Supervisor Engine 2 has a quad-core processor, and Supervisor Engine 2E has two quad-core processors. Unlike the Cisco Catalyst 6500 Series, there is no separate route processor (RP) and switch processor (SP). The Nexus 7000 platform is a Linux-based system with a preemptive scheduler that allows fair access to CPU resources for all processes. The commands and sample EEM script are based on Nexus 7000 Release 6.1 and earlier and are subject to change in future releases. This document describes common commands and processes to monitor CPU usage and troubleshoot high CPU usage issues on Cisco Nexus 7000 Series platforms.
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