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HS08
Valued Contributor
Aug 18, 2026 4:07 AM UTC
Question

Finding High bandwidth user

My WAN utilization is full (total 20Mbps), how we can easily which source is consume high bandwidth?

I try to block the graph and click fortiview source and destination and if i compare with the Netflow from my NPM then the source is different.

 

2 replies

AEK
SuperUser
SuperUser
Aug 18, 2026 11:02 AM UTC

Try FortiView sources and filter on WAN as destination interface.

AEK
GauravPandya
Explorer
Aug 18, 2026 12:57 PM UTC

Check real time bandwidth usage.

Go to FortiView and click Sources

Change the time view to Real-time or the last 5 minutes

Click the Bandwidth column header to sort from highest to lowest.

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