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Danté
New Contributor

Inaccurate logs and counters 6.0.2

Good Day,

 

We upgraded our FortiGate and FortiAnalyzer from 5.6.3 to 6.0.2 following correct path and procedures, both were successful however I have noted a funny changes in the way our logs are recorded. It appears that certain sessions especially streaming is now accumalating and reporting an updated bandwidth measurement every few seconds. This is causing the widgets and reports to sum all those logs and give me a huge amount of bandwidth statistics.  When I look at ipv4 counters it does not reflect to what the widgets and reports/fortiview is showing. For instance one IP address used 254GB in one night ( had a music stream on throughout the night) which in no way can take that much bandwidth, however when I investigated I found the total bandwidth was 1gb only and that the firewall logged the same session over and over with a growing bandwidth amount. The ipv4 counters are only showing 8.5 GB on that same policy which proves there is an issue or irregularity in the logs.   

 Correct counter

 Incorrect counters

 

Is there any way I can get this fixed or what sort of troubleshooting can I perform to resolve.

 

2 REPLIES 2
linfante
New Contributor II

We have the same issue and I know it's not a fix but I hope this gives you peace of mind. It's a known issue in this version. Link is to the release notes. In the Known Issues portion, it has the FortiView bug listed.

 

https://docs.fortinet.com/uploaded/files/4554/fortios-v6.0.2-release-notes.pdf 

 

FortiView Bug ID Description 494731 Incorrect reporting in Fortiview.

Danté

Good Day Thank you for your reply I also found this yesterday. I downgraded both our FortiGates and Analyzer to 5.6.6 which seems to be incredibly stable and bug free compared to 6.0.x . Regards Danté
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