Tuesday, June 4, 2019

FortiGate CPU issue causing latency and packet loss.

Just trying to see if anyone else has had this problem. We have two FortiGate 1240b firewalls that have CPU0 constantly pegged at 100%. CPU 1-3 are no higher than 45%. The miglogd service is generally at 99.9% usage and if we kill the service it just pops back up at 99.9% usage. If the A side is failed over to the B side, the problem goes away for about 10-15 seconds before resuming on the other side. We’ve tried rebooting each side individually and we’ve shit both sides down at the same time and brought them back up. Solar winds shows total throughput at under 6Gbps and none of the links have over 40% utilization with most under 5%. We’ve turned off application monitoring as well. This problem started about a week ago one morning and continues to plague us. We’re on code version 5.2.7 and upgrading would take quite a bit for us at to get done at the moment.

Has anyone ran across this before. Fortinet support hasn’t been the greatest so far and there is practically nothing in Google University about this issue.



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