CSS11503 SAM module on 99% utilization
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07-28-2012 05:43 AM
Hi,
Has anybody experience with a CSS11503 that has a SAM module having a 99-100% utilization. Can this affect the services if both the accelerator module cpu peak to 99%.
Kindly see below logs:
LPHGT11# show system-resources
System Resources for 1/1:
Installed Memory: 268,435,456 (256 MB)
Free Memory: 131,964,576 (125 MB)
CPU: 77% (5Sec) 76% (1Min) 76% (5Min)
Buffer Statistics:
Buffer Pool: 0
Size:2048 Total:3072 Available:2756 Failures: 0 Low Buffer Count: 2580
Buffer Pool: 1
Size:2048 Total:3072 Available:2752 Failures: 0 Low Buffer Count: 2744
Buffer Pool: 2
Size:2048 Total:2048 Available:1972 Failures: 0 Low Buffer Count: 1972
System Resources for 3/1:
Installed Memory: 134,217,728 (128 MB)
Free Memory: 27,349,792 (26 MB)
CPU: 99% (5Sec) 99% (1Min) 99% (5Min)
Buffer Statistics:
Buffer Pool: 0
Size:2048 Total:3072 Available:3072 Failures: 0 Low Buffer Count: 3072
Buffer Pool: 1
Size:2048 Total:3072 Available:2676 Failures: 0 Low Buffer Count: 2548
Buffer Pool: 2
Size:2048 Total:2048 Available:1964 Failures: 0 Low Buffer Count: 1948
System Resources for 2/1:
Installed Memory: 134,217,728 (128 MB)
Free Memory: 27,349,760 (26 MB)
CPU: 99% (5Sec) 99% (1Min) 99% (5Min)
Buffer Statistics:
Buffer Pool: 0
Size:2048 Total:3072 Available:3072 Failures: 0 Low Buffer Count: 3072
Buffer Pool: 1
Size:2048 Total:3072 Available:2540 Failures: 0 Low Buffer Count: 2516
Buffer Pool: 2
Size:2048 Total:2048 Available:1964 Failures: 0 Low Buffer Count: 1932
LPHGT11# show system-resources cpu_summary
Chassis CPU Utilizations
Name Slot Sub 5Sec 1Min 5Min
--------------------------------------------
CSS5-SCM-2GE H0 1 1 74% 76% 76%
CSS5-SAM H0 3 1 99% 99% 99%
CSS5-SAM H0 2 1 99% 99% 99%
LPHGT11#
Thanks
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07-31-2012 07:38 AM
sounds like there is way too much traffic going through this CSS.
You will start seeing drops and have other issues with CPU at this level.
Gilles.
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10-03-2012 11:28 PM
Hi all,
As per checking on the CSS if it was being attacked by DOS. It was indeed being attacked and that was the cause of the High Utilization.
Thanks,
Bryan
