[j-nsp] High CPU and interrupts

harbor235 harbor235 at gmail.com
Wed Jul 1 10:13:20 EDT 2009

I am trying to configure a monitoring system to alarm using thresholds for
CPU utilization and
interrupts. Junos has separation in the control and data planes so i would
assume brief spikes
in CPU should not be a problem. However, sustained high COU should be an
indicator for a investigation
and troubleshooting. Cisco has avgBusy5 OID that captures the cpu overage
over a 5 minute interval,
does Junos have something similar? I would think that a sustained CPU
utilization of >90% should warrant
investigation, is there anything similar for interrupts and interface
stats that anyone is looking at?


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