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Understanding NetFlow Bandwidth Traffic IN and Traffic OUT display.
This not how much NetFlow is using in bandwidth utilization or Netflow data traversing through the circuit. Customer will submit a case thinking that just because bandwidth is populated they are receiving Netflow data. This is not the case. Traffic In and Traffic Out is gathered from the NPM interface utilization and it is not related to Netflow data.
If there is data for a specific interface in NTA but "TRAFFIC IN" and "TRAFFIC OUT" is "0 bps" please verify that traffic statistics collection is enabled in NPM. This is a common issue if the interface is added via NTA.
You can enable traffic polling for the interface by doing the following: