The following is a list of general limitations and known issues of the various components of this MLNX-NATIVE-ESX release.
Internal Ref. | Description |
3333122 | Description: Out-of-buffer packets are not being counted as Rx drops. |
WA: N/A | |
Keywords: Counters, out of buffer, drop | |
Discovered in Version: 4.22.73.1004 | |
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. |
WA: Use ConnectX-6 Lx, ConnectX-6 Dx, or onwards cards that support ENS Model 1 Level 2 and Model 2A. | |
Keywords: ENS, ConnectX-5/ConnectX-6, Model 1 Level 2 and Model 2A | |
Discovered in Version: 4.22.73.1004 | |
3175465 | Description: The driver version in iDRAC is not displayed correctly. |
WA: N/A | |
Keywords: iDRAC | |
Discovered in Version: 4.22.73.1004 | |
- | Description: Geneve options length support is limited to 56B. Received packets with options length bigger than 56B are dropped. |
WA: N/A | |
Keywords: Geneve | |
Discovered in Version: 4.22.73.1004 | |
- | Description: The hardware can offload only up to 256B of headers. |
Workaround: N/A | |
Keywords: Hardware offload | |
Discovered in Version: 4.22.73.1004 | |
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: 4.22.73.1004 | |
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: 4.22.73.1004 | |
2372060 | Description: RDMA is not supported in the Hypervisor with ENS model 2. |
Workaround: N/A | |
Keywords: ENS model 2, RDMA | |
Discovered in Version: 4.22.73.1004 | |
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: 4.22.73.1004 | |
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: 4.22.73.1004 | |
1340275 | Description: ECN tunable parameter initialAlphaValue for the Reaction Point protocol cannot be modified. |
Workaround: N/A | |
Keywords: nmlx5 ecn nmlxcli | |
Discovered in Version: 4.22.73.1004 | |
2430662 | Description: Card's speed remains zero after port goes down and reboot is performed. |
Workaround: Turn the port down and then up again. | |
Keywords: ConnectX-6 Dx, link speed | |
Discovered in Version: 4.22.73.1004 | |
1514289 | Description: RoCE traffic may fail after vMotion when using namespace. |
Workaround: N/A | |
Keywords: Namespace, RoCE, vMotion | |
Discovered in Version: 4.22.73.1004 | |
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: 4.22.73.1004 | |
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: 4.22.73.1004 | |
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: 4.22.73.1004 | |
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: 4.22.73.1004 | |
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: 4.22.73.1004 | |
852883 | Description: In stress condition ‘Watchdog’ may appear, leading to uplink going up and down. |
Workaround: N/A | |
Keywords: uplink, watchdog | |
Discovered in Version: 4.22.73.1004 |