DX Infrastructure Management

Tech Tip: Flow Statistics page showing blank data 

Sep 24, 2015 12:57 PM

Problem:

When navigating to the Flow Statistics page in NFA 9.3.2+ you may find that the page may load correctly but the graphs are blank and show "No Data Available" even though there is data currently processing and able to be viewed.  If the page is not loading correctly please see: TEC1816833. Another symptom would be that the FlowStatsQueryThreadLog2015-xx-xx.log (Located at x:\CA\NFA\REPORTER\Logs) will show normal logging like, "Updating flow stats table" and "Finished updating flow stats table" however when you go to the reporter.flow_stats table it is completely blank or not updating with the latest entries.

 

The issue would look like this:

Capture.PNG

Enviornment:

NFA 9.3.2+ 2-tier or 3-tier Distributed.

 

Solution:

The Console on NFA 9.3.2+ will communicate over TCP Port 8067 (which is a new port) with the Harvester. This port should be open BOTH ways (inbound and outbound) on both the Console and Harvester as the Harvester will be making responses back.

Once the Firewall or ACL rules are set in place the reporter.flow_stats page will start filling up with data.  At that point the Flow Statistics page will be functioning properly.

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