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CAS server with high softirq

Hi,

Somewere in Cisco's NAC  documentation I've read about the CAM Event Log's - CleanAccessServer  entry CPU numbers.

It said that  if the system entry  shows 90%,  or higher - it means it's a healty system.

My log shows the following:

CleanAccessServer2010-06-22 11:59:42172.18.99.10  System Stats: Load factor 0 (max since reboot: 43) Mem (bytes) Total:  4095090688 Used: 341200896 Free: 3753889792 Shared: 0 Buffers: 52174848  Cached: 136843264 CPU(s) 1.3%user 0.0%nice 54.3%system 0.0%idle  0.0%iowait 0.3%irq 44.0%softirq 0.0%steal

Why  the softirq is so high? Is it normal?

The system is a NAC Appliance with  CAM/CAS 4.7.2.

Thanks  a lot,

Attila

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