On Fri, 19 Aug 2016 08:53:12 +0800 ?? Ho?ng <mon120494 at gmail.com> wrote:
> Hi all, > > I am using a dual-port Intel 82546EB to run the simple l2fwd application > (forward 64byte packets). > > The result is terrible. My packet generator generates and sends about > 320Mb/s, but nearly a half of them are dropped, and only about 160Mb of > packets are forwarded every sec. > > I have also tried to run dpdk-pktgen with this NIC and It can only generate > and send about 150Mb/s. > > My NIC link speed is 1000Mb/s. I am wondering why its performance is so > slow like this. > > Please help me. Any ideas/advices are appreciated. > > Thanks. The first thing I would check is that ethernet flow control is disabled. Unless you are running on very slow hardware, the DPDK can saturate a 10G link with small packets.
