-----Original Message----- From: Alexander Kalentyev <comrad.karlovich@xxxxxxxxx> Sent: Wednesday, January 19, 2022 11:53 AM Anyway the ibv_rc_pingpong shows an error: >ibv_rc_pingpong -d rxe0 -g 0 local address: LID 0x0000, QPN 0x000015, PSN 0x015dd8, GID fe80::4a51:c5ff:fef6:e159 Failed to modify QP to RTR Couldn't connect to remote QP > Alexander, I use a script to restart rxe after changing anything it looks like #!/bin/bash export LD_LIBRARY_PATH=<path to rdma-core>/rdma-core/build/lib:/usr/lib sudo rmmod rdma_rxe sudo modprobe rdma_rxe sudo ip link set dev enp0s3 mtu 4500 sudo ip addr add dev enp0s3 fe80::0a00:27ff:fe35:5ea7/64 sudo rdma link add rxe0 type rxe netdev enp0s3 The important line is adding the ipv6 address which corresponds with the MAC address of The ethernet nic which is 08:00:27:35:5e:a7 Some OSes (like mine) do not create this address automatically but mangle the address. But the rdma core driver seems to expect all roce providers to have it. Hope this helps. Bob Pearson rpearson@xxxxxxx
