> On Nov 8, 2018, at 2:12 AM, Bichan.Lu <[email protected]> wrote:
>
> Hi,
>
> OS: CentOS 7.5.1804
> Pktgen version: pktgen-3.5.8
> DPDK verison: dpdk-18.08
>
> I use the pktgen in follows command. When I start pktgen, default PktSize is
> 64, in the command I sad:
>
> ./pktgen -l 0-4 -n 3 -- -P -m "[1:3].0,[2:4].1"
> Pktgen:/> start all
>
> Link State : <UP-1000-FD> <UP-1000-FD>
> ----TotalRate----
> Pkts/s Max/Rx : 1487853/1487844 1491609/1491602
> 2979462/2979446
> Max/Tx : 1491607/1491606 1487855/1487841
> 2979459/2979447
> MBits/s Rx/Tx : 999/1002 1002/999
> 2002/2002
> Broadcast : 0 0
> Multicast : 0 0
> 64 Bytes : 0 0
> 65-127 : 0 0
> 128-255 : 0 0
> 256-511 : 0 0
> 512-1023 : 0 0
> 1024-1518 : 0 0
> Runts/Jumbos : 8889515/0 8913610/0
> Errors Rx/Tx : 0/0 0/0
> ......< shown parts of pktgen >.....
>
> Then will be get Runts.
> I tried when size is 68, range will be in [64 Bytes], and no runts.
> Pktgen:/> set 0 size 68
> Pktgen:/> set 1 size 68
> Pktgen:/> start all
>
What is the hardware NIC as most of the hardware appends the FCS?
Pktgen expects the NIC to append the FCS and there is a flag to disable that
feature?
> I guess it may related about range, could help to check?
> Thanks.
>
> Best regards,
> Bichan.Lu
Regards,
Keith
