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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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: 4.17.71.1 |
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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: 4.17.71.1 |
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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: 4.17.71.1 |
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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: 4.17.71.1 |
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2430662 |
Description: ConnectX-6 Dx speed remains zero after port goes down and reboot is performed. |
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Workaround: Turn the down and then up again |
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Keywords: ConnectX-6 Dx, link speed |
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Discovered in Version: 4.17.71.1 |
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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: 4.17.71.1 |
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1682956 |
Description: During ENS uplink detachment from the ENS DVS, the below error message regarding the queue still being allocated or that the requested queue is not in use may appear. “Driver covers for OS issue and the messages are for information only.” |
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Workaround: N/A |
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Keywords: ENS, queue |
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Discovered in Version: 4.17.15.16 |
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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: 4.17.14.2 |
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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: 4.17.13.8 |
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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: 4.17.13.8 |
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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: 4.17.13.8 |
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858972 |
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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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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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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778371 |
Description: Wake-on-LAN does not notify when invalid parameters are provided. |
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Workaround: N/A |
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Keywords: WoL |
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778572 |
Description: Nested ESXi might not function properly. |
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Workaround: N/A |
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Keywords: Nested ESXi |
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765008 |
Description: Device RSS fails to hash traffic to sufficient RX rings with Broadcast traffic. |
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Workaround: N/A |
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Keywords: RSS, RX rings |
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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 |