Imagestream Router Only 1 Interface

Imagestream Router Only 1 Interface

I'm using several Imagestream Routers, which use nprobe I believe.  I set up just one interface to send data, and it sends all in and out data.  It does show who is doing what and where etc.  However it does not separate the IN from the OUT.  I've set up the correct SNMP parameters.  Is there anything I should be doing to get an accurate reading from these routers?

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