[dpdk-users] Generate more than 10000 flows.

[Dheeraj Dang]

Thanks a lot for your help.

Regards

Dheeraj Dang

On Mon, May 8, 2017 at 7:12 PM, Wiles, Keith <keith.wiles at intel.com> wrote:

>
> > On May 7, 2017, at 11:05 AM, Dheeraj Dang <dheerajdang138 at gmail.com>
> wrote:
> >
> > Hi,
> >
> > I m running dpdk pktgen between two virtual machines that are on the same
> > network. Sender machine is sending UDP packets using range.
> > I m trying to generate no of flows in dpdk-pktgen and for that purpose,
> I'm
> > using source and destination port options (max, min, increment and
> start).
> >
> > Start Min Max Inc
> > Source Port 3000 3000 3000+N 1
> > Destination Port 4000 4000 4000+N 1
> >
> > where N is no of flows that I want to generate using dpdk-pktgen.
> >
> > Following are my observations with dpdk-pktgen.
> >
> > *N* *No of flows generated (sender side)*
> > 10 10
> > 100 100
> > 1000 1000
> > 10000 8192
> > 20000 8192
>
> In pktgen the range and other modes setup the 8192 packets allocated just
> before sending the frames. The reason you only get 8192 is that is the
> number of packet buffers allocated. In the app/pktgen-constants.h change
> the following line by increasing the ‘8’ to something larger. This value
> will increase the number of packets created per port so the amount used for
> memory will increase.
>
>  MAX_MBUFS_PER_PORT      = (DEFAULT_TX_DESC * 8),/* number of buffers to
> support per port */
>
> >
> > Is it possible to generate more than 10000 flows through dpdk-pktgen ?
> >
> > Regards,
> > Dheeraj Dang
>
> Regards,
> Keith
>
>