Known Issues
The following is a list of general limitations and known issues of the various components of this MLNX-NATIVE-ESX release.
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Internal Ref. |
Description |
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3333122 |
Description: Out-of-buffer packets are not being counted as Rx drops. |
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WA: N/A |
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Keywords: Counters, out of buffer, drop |
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Discovered in Version: 4.22.73.1004 |
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2678029 |
Description: Due to hardware limitations, Model 1 Level 2 and Model 2 for Enhanced Network Stack (ENS) mode in vSphere 8.0 is not supported in ConnectX-5 and ConnectX-6 adapter cards. |
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WA: Use ConnectX-6 Lx, ConnectX-6 Dx, or onwards cards that support ENS Model 1 Level 2 and Model 2A. |
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Keywords: ENS, ConnectX-5/ConnectX-6, Model 1 Level 2 and Model 2A |
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Discovered in Version: 4.22.73.1004 |
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3175465 |
Description: The driver version in iDRAC is not displayed correctly. |
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WA: N/A |
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Keywords: iDRAC |
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Discovered in Version: 4.22.73.1004 |
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- |
Description: Geneve options length support is limited to 56B. Received packets with options length bigger than 56B are dropped. |
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WA: N/A |
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Keywords: Geneve |
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Discovered in Version: 4.22.73.1004 |
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- |
Description: The hardware can offload only up to 256B of headers. |
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Workaround: N/A |
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Keywords: Hardware offload |
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Discovered in Version: 4.22.73.1004 |
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2204581 |
Description: A mismatch between the uplink and the VF MTU values may result in CQE with error. |
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Workaround: Align the uplink and the VF MTU values. |
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Keywords: CQE, error, model 2, |
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Discovered in Version: 4.22.73.1004 |
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2429623 |
Description: Enabling sriov_mc_isolation module parameter may result in vmknic and emulated NICs multicast and IPv6 traffic loss. |
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Workaround: Unset or set the module parameter to 0. |
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Keywords: Multicast, IPv6, SR-IOV |
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Discovered in Version: 4.22.73.1004 |
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2372060 |
Description: RDMA is not supported in the Hypervisor with ENS model 2. |
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Workaround: N/A |
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Keywords: ENS model 2, RDMA |
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Discovered in Version: 4.22.73.1004 |
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2139469 |
Description: Setting the "Allow Guest MTU Change" option in vSphere Client is currently not functional. Although guest MTU changes in SR-IOV are allowed, they do not affect the port's MTU and the guest's MTU remains the same as the PF MTU. |
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Workaround: N/A |
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Keywords: MTU, SR-IOV |
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Discovered in Version: 4.22.73.1004 |
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1340255 |
Description: ECN statistic counters accumulatorsPeriod and ecnMarkedRocePackets display wrong values and cannot be cleared. |
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Workaround: N/A |
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Keywords: nmlx5 ecn nmlxcli |
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Discovered in Version: 4.22.73.1004 |
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1340275 |
Description: ECN tunable parameter initialAlphaValue for the Reaction Point protocol cannot be modified. |
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Workaround: N/A |
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Keywords: nmlx5 ecn nmlxcli |
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Discovered in Version: 4.22.73.1004 |
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2430662 |
Description: Card's speed remains zero after port goes down and reboot is performed. |
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Workaround: Turn the port down and then up again. |
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Keywords: ConnectX-6 Dx, link speed |
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Discovered in Version: 4.22.73.1004 |
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1514289 |
Description: RoCE traffic may fail after vMotion when using namespace. |
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Workaround: N/A |
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Keywords: Namespace, RoCE, vMotion |
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Discovered in Version: 4.22.73.1004 |
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2334405 |
Description: Legacy SR-IOV is not supported with Model 1. |
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Workaround: Unset max_vfs or alternatively move to ENS model 0 or Model 2. |
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Keywords: SR-IOV, ENS |
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Discovered in Version: 4.22.73.1004 |
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2449578 |
Description: When in ENS mode, changing the scheduler to HCLK, may cause traffic loss. |
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Workaround: N/A |
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Keywords: ENS, HCLK scheduler |
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Discovered in Version: 4.22.73.1004 |
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746100 |
Description: The 'esxcli mellanox uplink link info -u |
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Workaround: N/A |
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Keywords: 'Auto negotiation' capability |
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Discovered in Version: 4.22.73.1004 |
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1068621 |
Description: SMP MADs (ibnetdiscover, sminfo, iblinkinfo, smpdump, ibqueryerr, ibdiagnet and smpquery) are not supported on the VFs. |
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Workaround: N/A |
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Keywords: SMP MADs |
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Discovered in Version: 4.22.73.1004 |
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1446060 |
Description: Although the max_vfs module parameter range is "0-128", due to firmware limitations, the following are the supported VFs per single port devices:
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Workaround: N/A |
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Keywords: SR-IOV, VFs per port |
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Discovered in Version: 4.22.73.1004 |
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852883 |
Description: In stress condition ‘Watchdog’ may appear, leading to uplink going up and down. |
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Workaround: N/A |
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Keywords: uplink, watchdog |
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Discovered in Version: 4.22.73.1004 |