Hi Rahul
are you using standard drivers with multiqueue enabled (RSS)? 
It looks like kernel threads are setting timestamps concurrently and the 
application is seeing them out of order.

Alfredo

> On 05 Nov 2015, at 13:06, K Rahul <[email protected]> wrote:
> 
> Hi,
> 
> We are monitoring a low bitrate(116 kbps) feed on network using pfring. I 
> have noticed that the timestamps of packets are not in increasing order. For 
> every 5 packets, there is a packet which has lower timestamp than that of a 
> previous packet. This issue is not seen when capturing higher bitrate stream 
> packets. This behavior is a little bit absurd.
> 
> Right now i am not using any flags(flags = 0) to open pfring handle. How can 
> I avoid this issue?
> 
> Thanks
> 
> Regards,
> Rahul
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