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NCCL Test Bandwidth is only 3GB/s between 2 DGX Spark using QSFP cable
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9
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282
|
April 19, 2026
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ConnectX-7 NIC's no longer appear
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12
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396
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April 15, 2026
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NCCL bandwidth capped at 3 GB/s, GPU PCIe topology reports Gen1 x1 on DGX Spark FE
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5
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226
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April 14, 2026
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ConnectX-8 back-to-back InfiniBand link stuck in Initializing, UMAD cannot open port, OpenSM fails to bind
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3
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272
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February 20, 2026
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Regarding optical module compatibility with ConnectX-7
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4
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157
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January 13, 2026
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Does NVIDIA ConnectX-7 (MCX755106AC-HEAT) Support Optical Linkup?
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2
|
109
|
January 9, 2026
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`rte_flow_async_create` takes a huge 1 million cycles on ConnectX-6 Dx DX
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2
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74
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January 7, 2026
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IPv6 tunnel flow hashing regression on later ConnectX firmware
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1
|
150
|
October 3, 2025
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My PC keeps crashing with ConnectX-6 NIC
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1
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180
|
September 29, 2025
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How does Mellanox ConnectX-7 NIC process trimmed packets in a RoCEv2 RDMA scenario?
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5
|
215
|
August 23, 2025
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Jetson AGX Orin PHC Instability Using phc2sys
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2
|
171
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August 7, 2025
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MCX516A-CCAT Both ports not working at the same time
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3
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166
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July 10, 2025
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Which Cables to be used for ConnectX-7?
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2
|
1688
|
March 1, 2025
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HW Steering ConnectX6
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1
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255
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December 1, 2024
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Mlxlink - Bad signal integrity on Mellanox ConnectX-4 LX
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2
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863
|
August 16, 2024
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Assistance Required for Resolving CRC Errors and Packet Loss in RDMA and UDP Data Transfers
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3
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250
|
August 7, 2024
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ConnectX-4 Lx EN are unable to configure the port UP and Active state
|
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1
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994
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June 24, 2024
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Disable RoCE iCRC Validation
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5
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2207
|
May 28, 2024
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Link up time for an SN7000 Spectrum switch and ConnectX-5-Ex
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1
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420
|
April 28, 2024
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Setpci unable to change the PCIe maximum read request and payload values
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7
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5350
|
October 20, 2023
|
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I Wonder If This chipset supports RSS for IEEE 802.1ad (Q-in-Q) frame
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1
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594
|
September 15, 2023
|
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DPDK Testpmd no packets are exchanged
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1
|
1025
|
June 16, 2023
|
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How to remove flow steering rules on Mellanox ConnectX-5 EN NIC?
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3
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1261
|
May 9, 2023
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Mellanox CX5 isn't showing PASID Capability on lspci
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3
|
1379
|
April 4, 2023
|
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The second10G NIC support on AGX orin 32GB board
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5
|
1001
|
March 7, 2023
|
|
Can I closed icrc computing?
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3
|
640
|
April 16, 2021
|
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I have 2 RDMA nics installed on this server. Ideally two netdevs per port for mlx5_0, example: ens224, ens225 each with their own mac addresses, but they both show up under a single "ens224".
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1
|
783
|
January 20, 2021
|
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In the "Raw Ethernet Programming: Basic Introduction - Code Example" post, the code uses IBV_QPT_RAW_PACKET and a steering rule to filter each packet. Will this reduce the bandwidth?
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|
1
|
762
|
April 13, 2020
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Is it possible to transfer a large file (~25GB) between two computers using RDMA UD, write the file to disk, and have a bitwise copy of the original file on the receiving computer?
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0
|
584
|
December 17, 2019
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