On 2 Sep 2015, at 5:38, Jared Mauch wrote:
Please stop digging,
Since I'm not digging, I've no reason to stop. I see and deal with the various quirks of more different platforms exporting flow telemetry than most folks, all day, every day, so I know just a little bit about this topic.
Sounds like you haven’t used Cisco recently.
I use Cisco all the time, thanks. They aren't perfect - no vendor is. They have various issues with their NetFlow implementations on various platforms - for example, bursts of wildly inaccurate flow statistics from CRS boxes when a linecard is rebooted, a problem which has persisted for years and is just now being addressed. Odd stuff with EARL8 on Sup2T/DFC4 in certain configurations, and so forth. But Niels is grossly exaggerating. I get very usable flow telemetry from them in many, many networks. I deal with flow telemetry from many, many vendors/platforms, and I can confidently assert that Cisco are nowhere near the bottom of the heap when it comes to the verisimilitude and functionality of their flow telemetry export. Quite the opposite ----------------------------------- Roland Dobbins <rdobbins@arbor.net>