The following is a list of general limitations and known issues of the various components of this MLNX-NATIVE-ESX release.
Internal Ref. | Description |
3229049 | Description: In Enhanced Data Path (EDP/ENS) mode, traffic does not work when using the nmlx5 async driver 4.21.71.101 with NSX Impactor v3.2 and above. |
Workaround: Upgrade to 4.22.73.1004 async driver or to ESXi 8.0 | |
Keywords: VMK Ping, NSX impactor | |
Discovered in Version: 4.19.71.1 | |
2204581 | Description: A mismatch between the uplink and the VF MTU values may result in CQE with error. |
Workaround: Align the uplink and the VF MTU values. | |
Keywords: CQE, error, model 2, | |
Discovered in Version: 4.19.71.1 | |
2639170 | Description: Enabling netq_rss_ens module parameter (changing the value to 1) will result in PSOD. |
Workaround: Do not change the default value. | |
Keywords: NetQ RSS for ENS | |
Discovered in Version: 4.19.71.1 | |
2429623 | Description: Enabling sriov_mc_isolation module parameter may result in vmknic and emulated NICs multicast and IPv6 traffic loss. |
Workaround: Unset or set the module parameter to 0. | |
Keywords: Multicast, IPv6, SR-IOV | |
Discovered in Version: 4.19.71.1 | |
2372060 | Description: RDMA is not supported in the Hypervisor with ENS model 2. |
Workaround: N/A | |
Keywords: ENS model 2, RDMA | |
Discovered in Version: 4.19.71.1 | |
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. |
Workaround: N/A | |
Keywords: MTU, SR-IOV | |
Discovered in Version: 4.19.71.1 | |
1340255 | Description: ECN statistic counters accumulatorsPeriod and ecnMarkedRocePackets display wrong values and cannot be cleared. |
Workaround: N/A | |
Keywords: nmlx5 ecn nmlxcli | |
Discovered in Version: 4.19.71.1 | |
1340275 | Description: ECN tunable parameter initialAlphaValue for the Reaction Point protocol cannot be modified. |
Workaround: N/A | |
Keywords: nmlx5 ecn nmlxcli | |
Discovered in Version: 4.19.71.1 | |
2430662 | Description: ConnectX-6 Dx speed remains zero after port goes down and reboot is performed. |
Workaround: Turn the down and then up again | |
Keywords: ConnectX-6 Dx, link speed | |
Discovered in Version: 4.19.71.1 | |
1514289 | Description: RoCE traffic may fail after vMotion when using namespace. |
Workaround: N/A | |
Keywords: Namespace, RoCE, vMotion | |
Discovered in Version: 4.19.71.1 | |
2334405 | Description: Legacy SR-IOV is not supported with Model 1. |
Workaround: Unset max_vfs or alternatively move to ENS model 0 or Model 2. | |
Keywords: SR-IOV, ENS | |
Discovered in Version: 4.19.71.1 | |
2449578 | Description: When in ENS mode, changing the scheduler to HCLK, may cause traffic loss. |
Workaround: N/A | |
Keywords: ENS, HCLK scheduler | |
Discovered in Version: 4.19.71.1 | |
746100 | Description: The 'esxcli mellanox uplink link info -u <vmnic_name>' command reports the 'Auto negotiation' capability always as 'true'. |
Workaround: N/A | |
Keywords: 'Auto negotiation' capability | |
Discovered in Version: 4.19.71.1 | |
1068621 | Description: SMP MADs (ibnetdiscover, sminfo, iblinkinfo, smpdump, ibqueryerr, ibdiagnet and smpquery) are not supported on the VFs. |
Workaround: N/A | |
Keywords: SMP MADs | |
Discovered in Version: 4.19.70.1 | |
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:
|
Workaround: N/A | |
Keywords: SR-IOV, VFs per port | |
Discovered in Version: 4.19.70.1 | |
852883 | Description: In stress condition ‘Watchdog’ may appear, leading to uplink going up and down. |
Workaround: N/A | |
Keywords: uplink, watchdog |