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- Waves l2 hardware processor how to#
- Waves l2 hardware processor driver#
- Waves l2 hardware processor verification#
- Waves l2 hardware processor software#
Investigate Why FED is Punting Packets to the Control Planeįrom Step 1., you can conclude that the IOSd/ARP process runs high but is the victim of traffic that is introduced from the Data Plane. From the output, it can be observed that the FED process is high, which is due to the ARP requests punted to the IOSd process: Switch# show processes cpu platform sortedĬPU utilization for five seconds: 38%, one minute: 38%, five minutes: 40%Ĭore 0: CPU utilization for five seconds: 39%, one minute: 37%, five minutes: 39%Ĭore 1: CPU utilization for five seconds: 41%, one minute: 38%, five minutes: 40%Ĭore 2: CPU utilization for five seconds: 30%, one minute: 38%, five minutes: 40%Ĭore 3: CPU utilization for five seconds: 37%, one minute: 39%, five minutes: 41%Ģ2701 22439 89% 88% 88% R 2187444224 linux_iosd-imagġ1626 11064 46% 47% 48% S 2476175360 fed main event The show processes cpu platform sorted command is used to display what the process utilization from the Linux kernel looks like. Switch# show processes cpu sort | ex 0.00ĬPU utilization for five seconds: 91%/30% one minute: 30% five minutes: 8%
Waves l2 hardware processor verification#
The troubleshoot and verification process in this section can be broadly used for high CPU usage due to interrupts. Please note that it covers a selected processes at the time of write this section.Ĭase Study 1. This section gives a systematic workflow to triage High CPU issues on the switches. High-Level diagram of the communication path between the Data Plane and Control Plane: LSMPI: Linux Shared Memory Punt Interface.Inject: CP generated protocol packet sent to DP to egress out on IO interface(s).Punt: Ingress protocol control packet which intercepted by DP sent to the CP to process it.
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Waves l2 hardware processor software#
It is run as a software process within the kernel IOSd: This is the Cisco IOS® daemon that runs on the Linux kernel.
Waves l2 hardware processor driver#
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It is important to understand how Cisco IOS®-XE is built. Additionally, this document introduces several new commands on this platform that are integral in order to troubleshoot such problems.
Waves l2 hardware processor how to#
This document describes how to troubleshoot high CPU usage concerns, primarily due to interrupts, on the new Cisco IOS®-XE platforms that run 16.x releases (also referred to as Polaris).