Netflow Interfaces

Netflow Interfaces

Hello
I have NetFlow 1 enabled on my HP2920 switches on ports 47 & 48. these are the trunks between each switch. But on NetFlow Analyzer, it is showing the interfaces for all ports that have traffic. I have tried also removing the interfaces from being monitored through Netflow Analyzer, but they keep coming back. How can I configure this to only show the 2 ports on each switch? Below is the command lines I have in for the HP switches

sflow 1 destination 10.50.20.23 9995
sflow 1 polling 47-48 20
sflow 1 sampling 47-48 50

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