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 |
2993483 | Description: Optical cables are not supported in this version of the ConnectX-7 (both ETH and IB) firmware. |
Workaround: N/A | |
Keywords: Optical cables | |
Discovered in Version: 28.33.2028 | |
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 | |
3047723 | Description: When changing the protocols from ETH to IB on two ConnectX-7 adapter cards connected to each other, the ports on both sides must be toggled to get the link up. |
Workaround: N/A | |
Keywords: Linkup, port toggling, protocol change | |
Discovered in Version: 28.33.2028 | |
3033874 | Description: Connecting a ConnectX-7 adapter card to either a ConnectX-5 adapter card or to an NVIDIA Spectrum switch system is supported only when using a 100GbE optic cables and when configuring ConnectX-5 or the NVIDIA Spectrum switch system to Force Mode. |
Workaround: N/A | |
Keywords: Linkup connectivity | |
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 an_disable flow is not supported in ConnectX-7 adapter cards for 25GbE and 50G_2x link speeds when using one of the following cables:
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 | |
2947588 | Description: Trying to query/burn the firmware using the flint utility when the image is pending (after firmware burn and before firmware reset), results in the action's failure. |
Workaround: Perform a firmware reset after each firmware burn. | |
Keywords: flint, query/burn firmware | |
Discovered in Version: 28.33.2028 | |
3024199 | Description: When connecting a ConnectX-7 adapter card to an NVIDIA Quantum switch using the copper cable (MCP1600-E01AE30), the link is Down when in EDR speed. |
Workaround: N/A | |
Keywords: EDR, copper cable, NVIDIA Quantum | |
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 | |
2969829 | Description: On rare occasions, the HDR speed link up time when using the optical module MFA7U10-H010 might take up to 70sec. |
Workaround: N/A | |
Keywords: HDR, link up time, optical cable | |
Discovered in Version: 28.33.2028 |