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HE1PR0501MB2044; 6:03oUlhhaQtglDezl8ABwVW3OClUjzIqT8f1t6Ye+kS8jpR2xHFZSh/Ehf5dhWG1fACAzv6tItOQqEeR9Z0SZ5LfjoSRrst3tRaa2WES0V2LuYBHOj4uJ0Yy7wXf5eTu8kcWVa0rdxfCY5kvLBK/NNOuHhDnI/5YzbY7bGFwuWbXtQikq93QOaKl1dUwK8OajTBF5k/n/x3G4l2YUSV3GhWYUaT70V/s1/9v/X4jetA/OE9GJ95cf05pbYdjODnGUhuwJDpqd8XkF+24Ts65vofvNwMQYuGBxxzNaJBn7q3JYotMQ4sKL1eh+y/z78bDY7bpuguht4uzNMEu37mJ9jg==; 5:UTPTesdfiasf6zQSzgz4mWB9BjoDMkw1cdUvwb3/DXAaWToTe5cWd/M4GoyXydsIHoNP29rhjTzNjPNXaPAOmguwpVubvS9OE2W8VLZzgZDEwddFwcO4jCA7hYGEk/s8XHuMq7dXMzIOdWAJMIhRRg==; 24:3zlQFuI+TJ06E1gZptVGgLz+8k3L5mkqcuTOz1fL4kB/DX5FsbJz8aiP5+GyGo0Lv2e3fajatppo2W/yn5RQgXZ+bxO+ynjQP6F6uz45m1c=; 7:sXu+RLTIKFpb6q/bPVYv22d65PcxeuxtEmkszDoyaAmpER4c8M/jF7ykQXS97/ytHl5uH7Cb7pNZSV2SUX9dcoqwHUw2PvyySYnhLtq994h+F+ZWDhMfSHAKHyrQwOV86hmQ31SFshnjKPvaPPZZ8qimNTfEXlJlaXsKmiUUPAhhcLqrjtYUragVWiRrd85NcXio9kbHZNxQmvPcZ/EwLa5A45O8qAnkJfuYMDQ5yFE= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 11 Oct 2017 18:59:21.4859 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0501MB2044 Subject: Re: [dpdk-dev] Issue with pktgen-dpdk replaying >1500bytes pcap on MCX4 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Oct 2017 18:59:24 -0000 On Thu, Sep 28, 2017 at 08:44:26PM +0000, Wiles, Keith wrote: > > > On Sep 26, 2017, at 8:09 AM, Damien Clabaut wrote: > > > > Hello Keith and thank you for your answer, > > > > The goal is indeed to generate as much traffic per machine as possible (we use pktgen-dpdk to benchmark datacenter routers before putting them on production). > > > > For this we use all available CPU power to send packets. > > > > Following your suggestion, I modified my command to: > > > > ./app/app/x86_64-native-linuxapp-gcc/pktgen -l 0-7 -- -m 1.0 -s 0:pcap/8500Bpp.pcap > > > I just noticed you were sending 8500 byte frames and you have to modify Pktgen > to increase the size of the mbufs in the mempool. I only configure the mbufs > to 1518 byte buffers or really 2048 byte, but I only deal with 1518 max size. > The size can be changed, but I am not next to a machine right now. Hi Damien, Could you manage to resolve this issue? Keith mentioned pktgen doesn't support jumbo frames w/o modifying code. Do you still have an issue with Mellanox NIC and its PMDs? Please let me know. Thanks Yongseok