The following is a list of general limitations and known issues of the various components of this MLNX-NATIVE-ESX release.
| Internal Ref. | Description |
|---|---|
2120216 | Description: The maximum number of established active RDMA connections (QPs) is currently 5000. |
Workaround: N/A | |
Keywords: QPs, RDMA | |
Discovered in Version: 4.16.70.1 | |
2130911 | Description: Setting ETS value to 0 may cause WQE timeout. |
Workaround: Set ETS value of 1 instead of 0. | |
Keywords: ETS, QOS | |
Discovered in Version: 4.16.70.1 | |
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: 4.16.14.2 | |
1340275 | Description: ECN tunable parameter initialAlphaValue for the Reaction Point protocol cannot be modified. |
Workaround: N/A | |
Keywords: nmlx5 ecn nmlxcli | |
Discovered in Version: 4.16.13.5 | |
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: 4.16.13.5 | |
- | Description: The hardware can offload only up to 256B of headers. |
Workaround: N/A | |
Keywords: Hardware offload | |
Discovered in Version: 4.16.10.3 | |
685558 | Description: There is no traffic between PV and SR-IOV VF connected to different ports on the same HCA. This issue is applicable to ESXi 6.5 & ESXi 6.5 UP1. The issue is solved in ESXi 6.5 UP2. |
Workaround: N/A | |
Keywords: PV, SR-IOV VF, HCA | |
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. |
Workaround: N/A | |
Keywords: MTU, SR-IOV | |
- | Description: Geneve options length support is limited to 56B. Received packets with options length bigger than 56B are dropped. |
WA: N/A | |
Keywords: Geneve | |
910292 | Description: Running with ConnectX-4/ConnectX-4 Lx older firmware versions, might result in the following internal firmware errors:
|
Workaround: Upgrade your firmware to the latest version 12.17.2020/14.17.2020 | |
Keywords: Firmware | |
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 | |
1072640 | Description: ESXi v4.16.10.3 cannot updated from v4.16.8.8 (GA) or from the Inbox driver using the "esxcli software vib update" command. |
Workaround: To update it, run the "esxcli software vib install" command. | |
Keywords: Driver update | |
1068621 | Description: SMP MADs (ibnetdiscover, sminfo, iblinkinfo, smpdump, ibqueryerr, ibdiagnet and smpquery) are not supported on the VFs. |
Workaround: N/A | |
Keywords: SMP MADs | |
778371 | Description: Wake-on-LAN does not notify when invalid parameters are provided. |
Workaround: N/A | |
Keywords: WoL | |
778572 | Description: Nested ESXi might not function properly. |
Workaround: N/A | |
Keywords: Nested ESXi | |
765008 | Description: Device RSS fails to hash traffic to sufficient RX rings with Broadcast traffic. |
Workaround: N/A | |
Keywords: RSS, RX rings | |
852883 | Description: In stress condition ‘Watchdog’ may appear, leading to uplink going up and down. |
Workaround: N/A | |
Keywords: uplink, watchdog |
