ConnectX-7 has the same feature set and limitations as ConnectX-6 adapter card. For the list of ConnectX-6 Known Issues, please go to https://docs.nvidia.com/networking/category/connectx6fw.
The below are limitations related to ConnectX-7 only.
| Internal Ref. | Issue |
|---|---|
| 3036791 | Description: Configuring 400G_8x in force mode is currently not supported. |
Workaround: N/A | |
| Keywords: 400G_8x in force mode | |
Discovered in Version: 28.33.4030 | |
| 3085879 | Description: On rare occasions, when connecting a ConnectX-7 adapter card to an NVIDIA Spectrum-3 switch system using the optical cable OPN MFA1A00-C003, the link up time is ~7sec. |
Workaround: N/A | |
| Keywords: Optical cables, link up time | |
Discovered in Version: 28.33.4030 | |
| 3081264 | Description: 10G/40G speeds are not supported on MFS1S00-XXXX modules (200G optics) in ConnectX-7 adapter cards. |
Workaround: N/A | |
| Keywords: Optical cables | |
Discovered in Version: 28.33.4030 | |
| 3070590 | Description: PLL modules are not supported in ConnectX-7 ethernet adapter cards. |
Workaround: N/A | |
| Keywords: PLL | |
Discovered in Version: 28.33.4030 | |
| 3009525 | Description: A Bit Error Rate (BER) of 1e-9 might occur when using optical cables. |
Workaround: N/A | |
| Keywords: BER | |
Discovered in Version: 28.33.4030 | |
| 3004352 | Description: LRO is currently not supported. |
Workaround: N/A | |
| Keywords: LRO | |
Discovered in Version: 28.33.4030 | |
| 3073517 | Description: When connecting a ConnectX-7 adapter card to a ConnectX-5 or an NVIDIA Spectrum switch and trying to raise 10G/40G over 100G optics cable is not supported. |
Workaround: N/A | |
| Keywords: Optical cables, ConnectX-5, NVIDIA Spectrum | |
Discovered in Version: 28.33.4030 | |
| 3073517 | Description: When connecting a ConnectX-7 adapter card to a ConnectX-5 or an NVIDIA Spectrum switch, configuring first 10G/40G and then configuring back 100G we result in linkup failure. |
Workaround: Toggle both ConnectX-7 and ConnectX-5 or the NVIDIA Spectrum switch | |
| Keywords: ConnectX-5, NVIDIA Spectrum, linkup | |
Discovered in Version: 28.33.4030 | |
| 3070409 | Description: When connecting a ConnectX-7 adapter card to a ConnectX-6 Dx or an NVIDIA Spectrum-3 switch, NRZ speeds are not raised when using 200GbE optical cable. |
Workaround: Configure PHY_FEC_OVERRIDE on the ConnectX-7 side for the requested speed. | |
| Keywords: Optical cables, NRZ, ConnectX-6 Dx, NVIDIA Spectrum-3, 200GbE optical cable | |
Discovered in Version: 28.33.4030 | |
| 2993531 | Description: PML1 is disabled by default. Enabling it might result in server hanging. |
Workaround: N/A | |
| Keywords: PML1 | |
Discovered in Version: 28.33.2028 | |
| 2824427 | Description: Running with a debug firmware reduces security as if token was applied. |
Workaround: N/A | |
| Keywords: Debug Firmware | |
Discovered in Version: 28.33.2028 | |
| 3046168 | Description: Congestion Control is not enabled when one link type of different ports is different. |
Workaround: N/A | |
| Keywords: Congestion Control, Link Type, PCC | |
Discovered in Version: 28.33.2028 | |
| 3039348 | Description: Host Chaining is currently not supported in ConnectX-7 adapter cards. |
Workaround: N/A | |
| Keywords: Host Chaining | |
Discovered in Version: 28.33.2028 | |
| 3023751 | Description: Link flapping may occur when using ConnectX-7 adapter cards with HDR optic cables. |
Workaround: N/A | |
| Keywords: Link flapping, HDR optic cables | |
Discovered in Version: 28.33.2028 | |
| 2920813 | Description: The
The flow is supported only when configuring FEC using the PPLM register. |
| Workaround: N/A | |
| Keywords: AN, cables, 25GbE, FEC | |
Discovered in Version: 28.33.2028 | |
| - | Description: Upgrading to firmware 28.33.2028 from any previous Engineering Sample (earlier than version 28.98.2406) must be done before installing WinOF-2 v2.90 driver and requires going through the following steps:
|
| Workaround: N/A | |
| Keywords: Firmware upgrade | |
Discovered in Version: 28.33.2028 | |
| - | Description: Downgrading from firmware 28.33.2028 to any previous Engineering Sample firmware is not supported. |
| Workaround: N/A | |
| Keywords: Firmware downgrade | |
Discovered in Version: 28.33.2028 |
