Our Juniper EX switches are configured for sFlow sampling, and send this data to an NPM instance running NTA 4.1.0. This works fine in principle, but I wonder if the data is correct:
Juniper switches use an adaptive sampling rate, per interface, depending on interface load. In NTA, under NetFlow Settings -> Manage NetFlow Sources, it seems that Orion assumes a global sampling rate for each system.
Is that just a display problem, and NTA correctly calculates with current rate for each sFlow sample, or does it use the auto-detected sample rate for all data for that switch?
Example from show sflow interfaces on a Juniper switch:
|Interface Status ||Sample rate|
At the same time, NTA shows this (when I expand one of the systems, I see the above sFlow interfaces, but no sample rate attached to the interfaces themselves: