2/14/2023 0 Comments Geforce now download keyCumulus Linux supports features that can enable lossless Ethernet for RoCE environments. ![]() RoCE relies on congestion control and lossless Ethernet to operate. ![]() The following are the possible RoCE mode values: If set to '0', the driver associates all GID indexes to RoCEv1 If set to '2', the driver associates all GID indexes to RoCEv2 (supported in ConnectX-3 Pro as of firmware v)RDMA over Converged Ethernet ( RoCE) provides the ability to write to compute or storage elements using remote direct memory access (RDMA) over an Ethernet network instead of using host CPUs. The RoCE mode can be set using the 'roce_mode' parameter in the /etc/modprobe.d/mlx4_nf file. If after reviewing the documentations above and you still have issue with issue with sniff RoCE traffic issue, please open a support case and we will provide further assistance. Run command below to check if current tcpdump reports RDMA capable interfaces. ![]() RoCE is the RDMA Winner The successful large scale deployment of RoCE in multiple hyperscale data centers has resulted in Mellanox capturing dominant market share of the 40GbE market: New advanced RoCE devices are now shipping that support the latest 25, 50, and 100Gb/s Ethernet speeds and promise further gains in market share.$ nvidia-detect Detected NVIDIA GPUs: 07:00.0 VGA compatible controller : NVIDIA Corporation GM206 (rev a1).
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