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Matrix X- Series module is showing High CPU utilization

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TitleMatrix X- Series module is showing High CPU utilization
Symptoms
  • The system error log shows the following messages
Wed Oct  7 08:40:11 2015:  iom1: WARNING: CPU utilization (82.1%) has exceeded the monitored threshold limit (80.0%)
Oct  7 08:38:49 X16-Core1 routeDistAgent@cm1: <Notice> arp: Duplicate IP Address detected, IP: 172.6.1.116 changed from MAC: 0050.5697.544b to 0050.5697.416d
Oct  7 08:40:34 X16-Core1 routeDistAgent@cm1: <Notice> arp: Duplicate IP Address detected, IP: 172.6.1.116 changed from MAC: 0050.5697.416d to 0050.5697.544b
Oct  7 08:40:43 X16-Core1 routeDistAgent@cm1: <Notice> arp: RdArpSourceIpMiss: Source IP address 172.6.14.211 has moved from tg.1.2 to tg.9.1 on interface vlan.1.6



 
Environment
  • K-Series
  • All firmware versions
Cause
High utilization on IOM modules is being caused by MAC addresses changing and devices moving between ports
Resolution
Troubleshoot the devices involved with duplicate IP address and MAC changes, whether this is related to a miss configuration or application
Additional notes

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