Does anyone use qperf to compare TCP & RDMA-RC-Send/Recv bandwidth and latency? On 11:27 Mon 28 Oct, Liu, Changcheng wrote: > Hi all, > I'm using qperf to compare TCP & RDMARC performance. > qperf report that it failed to modify the QP to RTR status. > Does anyone know how to solve the problem? > > Host A:nstcloudcc1 configuration: > nstcc1@nstcloudcc1:tmp$ ib2netdev > mlx5_0 port 1 ==> ens261f0 (Up) 173.168.100.103 > mlx5_1 port 1 ==> ens261f1 (Down) > nstcc1@nstcloudcc1:tmp$ > Host B:rdmarhel0 configuration: > [rdma@rdmarhel0 tmp]$ ib2netdev > mlx5_0 port 1 ==> ens801f0 (Up) 173.168.100.101 > mlx5_1 port 1 ==> ens801f1 (Up) 192.168.100.101 > [rdma@rdmarhel0 tmp]$ > > Run below command on host A as server: > nstcc1@nstcloudcc1:tmp$ qperf > Run below command on host B as client: > [rdma@rdmarhel0 tmp]$ qperf 173.168.100.103 rc_bw > rc_bw: > failed to modify QP to RTR: Invalid argument > The log shows as above on cient that it failed to modify QP to RTR > > --Thanks > Changcheng
