# \#bluefield-smartnic **URL:** https://forums.developer.nvidia.com/tag/bluefield-smartnic/569.md [Latest](https://forums.developer.nvidia.com/latest.md) · [Categories](https://forums.developer.nvidia.com/categories.md) · [Tags](https://forums.developer.nvidia.com/tags.md) --- ## [Bandwidth Degradation When Passing Packets between OVS Bridges and DOCA Flow apps](https://forums.developer.nvidia.com/t/bandwidth-degradation-when-passing-packets-between-ovs-bridges-and-doca-flow-apps/377786)
**Author:** [@hanson\_liang](https://forums.developer.nvidia.com/u/hanson_liang)\ **Replies:** 6\ **Last updated:** [August 4, 2026, 7:51pm UTC](https://forums.developer.nvidia.com/t/bandwidth-degradation-when-passing-packets-between-ovs-bridges-and-doca-flow-apps/377786 "2026-08-04T19:51:21Z")
Hello, I am using the BlueField-2 DPU to perform an experiment to use OVS bridges to send packets to a DOCA Flow app in VNF mode which forwards packets to another OVS bridge. I’d expect this to give me a bandwidth at li… --- ## [BlueField-3 (900-9D3B6-00CN) boots to UEFI fine, but the ConnectX/NIC is dark on PCIe and the BMC sideband and rshim what's the recovery path?](https://forums.developer.nvidia.com/t/bluefield-3-900-9d3b6-00cn-boots-to-uefi-fine-but-the-connectx-nic-is-dark-on-pcie-and-the-bmc-sideband-and-rshim-whats-the-recovery-path/375128)
**Author:** [@mike.spicer99](https://forums.developer.nvidia.com/u/mike.spicer99)\ **Replies:** 1\ **Last updated:** [July 17, 2026, 7:12pm UTC](https://forums.developer.nvidia.com/t/bluefield-3-900-9d3b6-00cn-boots-to-uefi-fine-but-the-connectx-nic-is-dark-on-pcie-and-the-bmc-sideband-and-rshim-whats-the-recovery-path/375128 "2026-07-17T19:12:21Z")
BF-3 B3240 · OPN 900-9D3B6-00CN-PA0 · S/N MT2515XZ06VE · BMC BF-24.10-17 TL;DR: The DPU’s Arm/UEFI firmware boots cleanly and repeatably (4.15.0) and the onboard BMC is fully responsive over Redfish + serial. But the Co… --- ## [Does BlueField-3 DPU (OPN: 900-9D3B6-00SV-AA0) support port splitting?](https://forums.developer.nvidia.com/t/does-bluefield-3-dpu-opn-900-9d3b6-00sv-aa0-support-port-splitting/374989)
**Author:** [@yqx8es](https://forums.developer.nvidia.com/u/yqx8es)\ **Replies:** 1\ **Last updated:** [July 17, 2026, 7:10pm UTC](https://forums.developer.nvidia.com/t/does-bluefield-3-dpu-opn-900-9d3b6-00sv-aa0-support-port-splitting/374989 "2026-07-17T19:10:05Z")
Hello, I want to confirm whether port splitting is officially supported on the BlueField-3 DPU with OPN 900-9D3B6-00SV-AA0. The official documentation (Port Configurations | NVIDIA BlueField-3 Networking Platform User G… --- ## [\[Inception Member\] RustFS (26k+ Stars) Seeking Guidance on Rust SDK for DOCA & EC/RDMA Offloading](https://forums.developer.nvidia.com/t/inception-member-rustfs-26k-stars-seeking-guidance-on-rust-sdk-for-doca-ec-rdma-offloading/367421)
**Author:** [@kevin.lee6](https://forums.developer.nvidia.com/u/kevin.lee6)\ **Replies:** 3\ **Last updated:** [June 2, 2026, 9:11pm UTC](https://forums.developer.nvidia.com/t/inception-member-rustfs-26k-stars-seeking-guidance-on-rust-sdk-for-doca-ec-rdma-offloading/367421 "2026-06-02T21:11:10Z")
Hi everyone, I’m Kevin, come from RustFS team. We are building an AI-native storage infrastructure (https://github.com/rustfs/rustfs) that recently surpassed 26,000 GitHub stars. Our goal is to provide a high-performanc… --- ## [Bluefield - 2 Firmware Pre-Initialization Failed](https://forums.developer.nvidia.com/t/bluefield-2-firmware-pre-initialization-failed/363457)
**Author:** [@snehshah2410](https://forums.developer.nvidia.com/u/snehshah2410)\ **Replies:** 1\ **Last updated:** [April 16, 2026, 12:21pm UTC](https://forums.developer.nvidia.com/t/bluefield-2-firmware-pre-initialization-failed/363457 "2026-04-16T12:21:59Z")
DOCA Version 2.8 After I encountered this error, I first checked the firmware version using $ sudo bfvcheck command. It showed that the firmware version do not match with the required firmware version. So, I updat… --- ## [DOCA DPA Threads not waking up](https://forums.developer.nvidia.com/t/doca-dpa-threads-not-waking-up/357490)
**Author:** [@denischen242](https://forums.developer.nvidia.com/u/denischen242)\ **Replies:** 1\ **Last updated:** [January 21, 2026, 5:48am UTC](https://forums.developer.nvidia.com/t/doca-dpa-threads-not-waking-up/357490 "2026-01-21T05:48:32Z")
Hello, I’m trying to start DPA threads using a completion context. However, they are simply not waking up. I’ve provided a simplified version of my code here. I am setting up a thread and completion context, then attachi… --- ## [Failed to get queue mapping ctx](https://forums.developer.nvidia.com/t/failed-to-get-queue-mapping-ctx/353679)
**Author:** [@k.kogdenko](https://forums.developer.nvidia.com/u/k.kogdenko)\ **Replies:** 0\ **Last updated:** [December 5, 2025, 2:13pm UTC](https://forums.developer.nvidia.com/t/failed-to-get-queue-mapping-ctx/353679 "2025-12-05T14:13:54Z")
Hello, I’am attempting to run the DOCA doca\_flow\_port\_fwd sample on two vf representators, but I am running into an error. Thank you for your help, Full log: ./samples/doca\_flow/flow\_port\_fwd/build/doca\_flow\_port\_fwd… --- ## [Bluefield-3 B3240 | DOCA DPA/FlexIO](https://forums.developer.nvidia.com/t/bluefield-3-b3240-doca-dpa-flexio/351093)
**Author:** [@rmanyam](https://forums.developer.nvidia.com/u/rmanyam)\ **Replies:** 1\ **Last updated:** [November 26, 2025, 2:16am UTC](https://forums.developer.nvidia.com/t/bluefield-3-b3240-doca-dpa-flexio/351093 "2025-11-26T02:16:35Z")
All the examples I have seen for DOCA DPA/FlexIO use the device in infiniband mode and not ethernet. Is there any particular reason for that? Could I get the examples to work with ethernet interfaces? I’m asking here si… --- ## [Bluefield 2 CPS performance](https://forums.developer.nvidia.com/t/bluefield-2-cps-performance/338001)
**Author:** [@vantu.bkhn](https://forums.developer.nvidia.com/u/vantu.bkhn)\ **Replies:** 1\ **Last updated:** [October 15, 2025, 3:17am UTC](https://forums.developer.nvidia.com/t/bluefield-2-cps-performance/338001 "2025-10-15T03:17:15Z")
Hi, In this NVIDIA slide https://www.sie.es/wp-content/uploads/2022/05/RamiroAlvarezHPC2022.pdf it mentions that BF2 support upto 1.5M connection per second (page 28). However, when I tried to measured it on our system… --- ## [Failed to run DOCA l2\_reflector on the host side](https://forums.developer.nvidia.com/t/failed-to-run-doca-l2-reflector-on-the-host-side/263717)
**Author:** [@cxyzhao](https://forums.developer.nvidia.com/u/cxyzhao)\ **Replies:** 8\ **Last updated:** [September 29, 2025, 8:41am UTC](https://forums.developer.nvidia.com/t/failed-to-run-doca-l2-reflector-on-the-host-side/263717 "2025-09-29T08:41:14Z")
Hi, I am trying to run the DOCA 2.2 example application, l2\_reflector. I’ve noticed that when I invoke the DOCA l2\_reflector from the DPU ARM side, it runs successfully. However, when I try to invoke it from the Host x8… --- ## [How to Correctly Intercept and Steer RDMA Traffic in BF3's eSwitch?](https://forums.developer.nvidia.com/t/how-to-correctly-intercept-and-steer-rdma-traffic-in-bf3s-eswitch/341144)
**Author:** [@xiangzhouliu524](https://forums.developer.nvidia.com/u/xiangzhouliu524)\ **Replies:** 1\ **Last updated:** [September 4, 2025, 1:25pm UTC](https://forums.developer.nvidia.com/t/how-to-correctly-intercept-and-steer-rdma-traffic-in-bf3s-eswitch/341144 "2025-09-04T13:25:59Z")
Hello, I am exploring the capabilities of the eSwitch on the NVIDIA BlueField-3 DPU and would like to understand the correct methods and capabilities for handling RoCEv2 traffic. Objective: My primary goal is to use t… --- ## [Where can I download the firmware for BlueField2 DPU controller?](https://forums.developer.nvidia.com/t/where-can-i-download-the-firmware-for-bluefield2-dpu-controller/338762)
**Author:** [@firnyee](https://forums.developer.nvidia.com/u/firnyee)\ **Replies:** 2\ **Last updated:** [July 30, 2025, 6:49am UTC](https://forums.developer.nvidia.com/t/where-can-i-download-the-firmware-for-bluefield2-dpu-controller/338762 "2025-07-30T06:49:26Z")
I wanna to update the firmware of my BlueField2 DPU controller: Device Type: BlueField2 Part Number: MBF2H516B-CENO\_Ax Description: Bluefield-2 Controller Card; 100GbE Dual-Port QSFP56; PCIe Gen3/4 x16;… --- ## [Error When Running dpa-all-to-all Demo](https://forums.developer.nvidia.com/t/error-when-running-dpa-all-to-all-demo/338047)
**Author:** [@yzhangtc](https://forums.developer.nvidia.com/u/yzhangtc)\ **Replies:** 1\ **Last updated:** [July 20, 2025, 4:57pm UTC](https://forums.developer.nvidia.com/t/error-when-running-dpa-all-to-all-demo/338047 "2025-07-20T16:57:05Z")
Hi, I am trying running the /opt/mellanox/doca/applications/dpa-all-to-all demo. However, When I tried to specify running dpa-all-to-all in RDMA devices mlx5\_0 and mlx5\_1, it dropped a new error saying tha t mlx5\_0 does… --- ## [\[Solved\] How to establish internet connectivity on MBF2M516A-EEEOT (no oob\_net0 support)](https://forums.developer.nvidia.com/t/solved-how-to-establish-internet-connectivity-on-mbf2m516a-eeeot-no-oob-net0-support/335710)
**Author:** [@zend](https://forums.developer.nvidia.com/u/zend)\ **Replies:** 1\ **Last updated:** [June 17, 2025, 12:42pm UTC](https://forums.developer.nvidia.com/t/solved-how-to-establish-internet-connectivity-on-mbf2m516a-eeeot-no-oob-net0-support/335710 "2025-06-17T12:42:24Z")
Hi there, I purchased a used MBF2M516A-EEEOT (Bluefield-2) from third-party seller. Before purchasing, the seller informed me that the unit I bought does not include 1GbE out-of-band (OOB) management. As a result : I… --- ## [How to view the CPU temperature in windows or in dpu's ubuntu?](https://forums.developer.nvidia.com/t/how-to-view-the-cpu-temperature-in-windows-or-in-dpus-ubuntu/335512)
**Author:** [@1004948150](https://forums.developer.nvidia.com/u/1004948150)\ **Replies:** 1\ **Last updated:** [June 15, 2025, 10:21am UTC](https://forums.developer.nvidia.com/t/how-to-view-the-cpu-temperature-in-windows-or-in-dpus-ubuntu/335512 "2025-06-15T10:21:44Z")
How to view the CPU temperature in windows or in dpu’s ubuntu? --- ## [Using NVIDIA BlueField-3 for TLS Termination, DPI, and Re-Encryption](https://forums.developer.nvidia.com/t/using-nvidia-bluefield-3-for-tls-termination-dpi-and-re-encryption/333898)
**Author:** [@balki.ece](https://forums.developer.nvidia.com/u/balki.ece)\ **Replies:** 1\ **Last updated:** [June 3, 2025, 12:09am UTC](https://forums.developer.nvidia.com/t/using-nvidia-bluefield-3-for-tls-termination-dpi-and-re-encryption/333898 "2025-06-03T00:09:46Z")
Hello, I’m exploring the use of NVIDIA BlueField-3 DPU for deep packet inspection (DPI) in a TLS-encrypted environment. Use Case: BlueField-3 terminates incoming TLS sessions from clients. It then forwards the decrypt… --- ## [Bluefield infiniband port down](https://forums.developer.nvidia.com/t/bluefield-infiniband-port-down/302233)
**Author:** [@yc0424](https://forums.developer.nvidia.com/u/yc0424)\ **Replies:** 1\ **Last updated:** [May 28, 2025, 4:11pm UTC](https://forums.developer.nvidia.com/t/bluefield-infiniband-port-down/302233 "2025-05-28T16:11:50Z")
I have a problem with initialzie Infiniband with Bluefield2. I want to activate Host and DPU both. But It only works one side at once. Both side was activated once in seperate host mode, but DPU’s port state went down w… --- ## [Unable to access 'Getting Started with Doca Flow' course on DLI](https://forums.developer.nvidia.com/t/unable-to-access-getting-started-with-doca-flow-course-on-dli/334480)
**Author:** [@mahnoor.ahmad](https://forums.developer.nvidia.com/u/mahnoor.ahmad)\ **Replies:** 2\ **Last updated:** [May 27, 2025, 7:41pm UTC](https://forums.developer.nvidia.com/t/unable-to-access-getting-started-with-doca-flow-course-on-dli/334480 "2025-05-27T19:41:20Z")
Is this course open for access? It says it is free and not expired till 9/18. https://learn.nvidia.com/courses/course-detail?course\_id=course-v1:DLI+S-NP-02+V1 When I try to enroll, it asks me to log in, and once I do,… --- ## [BluefField3 External Interface Issues](https://forums.developer.nvidia.com/t/blueffield3-external-interface-issues/331937)
**Author:** [@conrado.boeira](https://forums.developer.nvidia.com/u/conrado.boeira)\ **Replies:** 1\ **Last updated:** [May 7, 2025, 1:17pm UTC](https://forums.developer.nvidia.com/t/blueffield3-external-interface-issues/331937 "2025-05-07T13:17:00Z")
Hello! I have a BlueField-3 B3220 P-Series (Firmware version 32.37.1306) installed to a server and I’m having issues with external connectivity. The server connects normally to BF3 through the Rshim, but the external fa… --- ## [DOCA Programmable Congestion Control (pcc) time sync](https://forums.developer.nvidia.com/t/doca-programmable-congestion-control-pcc-time-sync/315983)
**Author:** [@ricky14](https://forums.developer.nvidia.com/u/ricky14)\ **Replies:** 1\ **Last updated:** [February 24, 2025, 4:57am UTC](https://forums.developer.nvidia.com/t/doca-programmable-congestion-control-pcc-time-sync/315983 "2025-02-24T04:57:25Z")
Hi, when looking at doca’s example application pcc, I see the following: #ifdef TIME\_SYNC /\* if there is a time sync between the nodes we can get one way delay \*/ uint32\_t end\_rtt = doca\_pcc\_dev\_get\_rtt\_req\_recv\_time… --- ## [Connection Tracking reply direction does not match packets](https://forums.developer.nvidia.com/t/connection-tracking-reply-direction-does-not-match-packets/318617)
**Author:** [@batruchs](https://forums.developer.nvidia.com/u/batruchs)\ **Replies:** 1\ **Last updated:** [February 6, 2025, 1:01am UTC](https://forums.developer.nvidia.com/t/connection-tracking-reply-direction-does-not-match-packets/318617 "2025-02-06T01:01:57Z")
Hi! When using CT samples, I was testing both the origin and reply direction match. According to my tests, the reply direction does not match. The testing consisted of running flow\_ct\_udp\_query sample, and sending spec… --- ## [VF in eswitch context does not filter mac when spoofchk is enabled](https://forums.developer.nvidia.com/t/vf-in-eswitch-context-does-not-filter-mac-when-spoofchk-is-enabled/316782)
**Author:** [@m.auger](https://forums.developer.nvidia.com/u/m.auger)\ **Replies:** 1\ **Last updated:** [February 5, 2025, 2:06am UTC](https://forums.developer.nvidia.com/t/vf-in-eswitch-context-does-not-filter-mac-when-spoofchk-is-enabled/316782 "2025-02-05T02:06:17Z")
Hi community ! I aim to accelerate proxmox packet processing with the bridge offload capabilities of connectx-6 and/or bluefield2 cards. The particularity of my setup is that the proxmox manages routing VMs for which i… --- ## [Move BlueField2 to another computer](https://forums.developer.nvidia.com/t/move-bluefield2-to-another-computer/319115)
**Author:** [@qq2196651959](https://forums.developer.nvidia.com/u/qq2196651959)\ **Replies:** 1\ **Last updated:** [February 2, 2025, 9:15am UTC](https://forums.developer.nvidia.com/t/move-bluefield2-to-another-computer/319115 "2025-02-02T09:15:52Z")
Hello， I have a ubuntu computer installed one BlueFiled2 smartnic. I now need to move BlueField2 to another Ubuntu computer while preserving the existing data on BlueField2 (system environment, user data, etc.).I would… --- ## [Maximizing IOPS for NVME emulation using Bluefield 3 SNAP](https://forums.developer.nvidia.com/t/maximizing-iops-for-nvme-emulation-using-bluefield-3-snap/311957)
**Author:** [@akhil.srinivas](https://forums.developer.nvidia.com/u/akhil.srinivas)\ **Replies:** 1\ **Last updated:** [December 10, 2024, 8:40am UTC](https://forums.developer.nvidia.com/t/maximizing-iops-for-nvme-emulation-using-bluefield-3-snap/311957 "2024-12-10T08:40:05Z")
Setup details: Platform 1 (Storage Target): SSD ConnectX-6 VPI; 100Gb/s (HDR100; EDR IB and 100GbE); single-port QSFP56; PCIe3.0 x16 Adapter Optical cable Ubuntu 20.04 server Configured the setup with details from ES… --- ## [Doca\_devinfo\_list\_create() don't find devices](https://forums.developer.nvidia.com/t/doca-devinfo-list-create-dont-find-devices/314780)
**Author:** [@qq2196651959](https://forums.developer.nvidia.com/u/qq2196651959)\ **Replies:** 3\ **Last updated:** [December 10, 2024, 7:13am UTC](https://forums.developer.nvidia.com/t/doca-devinfo-list-create-dont-find-devices/314780 "2024-12-10T07:13:45Z")
Hello， I have a ubuntu computer installed one BlueFiled2 smartnic.I wrote my application using the DOCA DMA library function in DOCA, and before today, the program worked fine (copying data between Host and DPU). Afte… --- ## [DOCA Flow Match Not Working on BlueField2](https://forums.developer.nvidia.com/t/doca-flow-match-not-working-on-bluefield2/315230)
**Author:** [@dufanrong](https://forums.developer.nvidia.com/u/dufanrong)\ **Replies:** 2\ **Last updated:** [December 2, 2024, 4:23am UTC](https://forums.developer.nvidia.com/t/doca-flow-match-not-working-on-bluefield2/315230 "2024-12-02T04:23:16Z")
Hello, I’m currently working with a DOCA Flow program on a BlueField2 DPU, using DOCA SDK version 2.8.0081, I am trying to filter TCP packets based on destination port, but the match rule does not seem to work. Environ… --- ## [HW Steering ConnectX6](https://forums.developer.nvidia.com/t/hw-steering-connectx6/315227)
**Author:** [@maheshwaritanay8](https://forums.developer.nvidia.com/u/maheshwaritanay8)\ **Replies:** 1\ **Last updated:** [December 1, 2024, 11:27am UTC](https://forums.developer.nvidia.com/t/hw-steering-connectx6/315227 "2024-12-01T11:27:58Z")
Hello, I have a node with the SmartNIC ConnectX6 – and I am trying to run the NVIDIA GPU Packet Processing application. However, running the application throws this error mlx5\_net: \[mlx5dr\_table\_init\_check\_hws\_support… --- ## [BF3 RShim not working](https://forums.developer.nvidia.com/t/bf3-rshim-not-working/304754)
**Author:** [@1039256079](https://forums.developer.nvidia.com/u/1039256079)\ **Replies:** 5\ **Last updated:** [August 28, 2024, 11:20am UTC](https://forums.developer.nvidia.com/t/bf3-rshim-not-working/304754 "2024-08-28T11:20:04Z")
After I update the the newest BFB image for BF3 via ‘bfb-install --bfb xxx --rshim rshim0’，I cannot to connect to the BF3 DPU OS on the host through the ‘ssh ubuntu@192.168.100.2’. There were tmfifo\_net0 (192.168.100.1/3… --- ## [How to find the OOB mac address of BlueField 2 without the lable?](https://forums.developer.nvidia.com/t/how-to-find-the-oob-mac-address-of-bluefield-2-without-the-lable/304458)
**Author:** [@ericbaoxd](https://forums.developer.nvidia.com/u/ericbaoxd)\ **Replies:** 1\ **Last updated:** [August 24, 2024, 6:52am UTC](https://forums.developer.nvidia.com/t/how-to-find-the-oob-mac-address-of-bluefield-2-without-the-lable/304458 "2024-08-24T06:52:20Z")
When I searched Google and the DPU user guide, they told me to find the out-of-band (OOB) management interface Mac Address from the DPU’s label. However, my BlueField 2 DPU has been installed into the host server and lo… --- ## [How to Configure a Firewall](https://forums.developer.nvidia.com/t/how-to-configure-a-firewall/303112)
**Author:** [@dltngus02](https://forums.developer.nvidia.com/u/dltngus02)\ **Replies:** 1\ **Last updated:** [August 14, 2024, 9:45am UTC](https://forums.developer.nvidia.com/t/how-to-configure-a-firewall/303112 "2024-08-14T09:45:37Z")
Hello, I have executed the DOCA Flow gRPC on the DPU using the following command: sudo ./doca\_flow\_grpc -a auxiliary:mlx5\_core.sf.4 -a auxiliary:mlx5\_core.sf.5 --iova-mode=va – -g 192.168.100.2:51000 --nb\_hairpin\_qs 2 … [Next page](https://forums.developer.nvidia.com/tag/bluefield-smartnic/569.md?match_all_tags=true&page=1&tags%5B%5D=bluefield-smartnic)