SRX240一直报CPU超出阀值，求高手指点。

xiaodon

SRX240一直报CPU超出阀值，不知道是什么原因，麻烦高手指点。该怎么解决这个问题啊。
系统版本和型号：
Model: srx240h2
JUNOS Software Release [12.1X44-D20.3]

Jun 18 10:21:00  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=92
Jun 18 10:47:23  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=96
Jun 18 11:36:18  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=85
Jun 18 12:26:19  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=97
Jun 18 12:26:30  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=99
Jun 18 13:12:16  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=97
Jun 18 13:34:50  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=99
Jun 18 14:41:37  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=90
Jun 18 15:22:34  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=99
Jun 18 15:27:19  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=92
Jun 18 15:29:28  SRX240-1 PERF_MON: RTPERF_CPU_THRESHOLD_EXCEEDED: FPC 0 PIC 0 CPU utilization exceeds threshold, current value=92

boat

1、看session 会话数  2、看进程CPU 占用率

xiaodon

boat 发表于 2016-6-20 09:54
1、看session 会话数  2、看进程CPU 占用率

平时差不多就这么高，会话数也才1000多，但就时候会突然高起来就提示上面的告警，不知道是什么原因
admin@SRX240-1> show security monitoring fpc 0   
FPC 0
  PIC 0
    CPU utilization          :   20 %
    Memory utilization       :   72 %
    Current flow session     : 1198
    Current flow session IPv4: 1198
    Current flow session IPv6:    0
    Max flow session         : 524288
Total Session Creation Per Second (for last 96 seconds on average):  153
IPv4  Session Creation Per Second (for last 96 seconds on average):  153
IPv6  Session Creation Per Second (for last 96 seconds on average):    0