Hi,
Do you know the Firmware version of the switch?
How to perform remotely-managed switch firmware query:
1.1) Install MFT (Mellanox firmware tools) on a host connected to the same fabric as the remotely managed switch.
The MFT installation package can be downloaded using the following link:
http://www.mellanox.com/page/management_tools
Please note that if MLNX_OFED driver is installed on that host, the MFT will be installed as well.
1.2) Start the mst driver by invoking: mst start
1.3) Add all fabric's devices, by invoking: mst ib add
1.4) Invoke: ibswitches.
Match the relevant switch GUID from the Mellanox switch label to the LID.
1.5) Display all mst devices in the fabric, by invoking: mst status
1.6) Identify the relevant remotely managed switch mst representation based on the switch LID .
Please note that the 'ibswitches' switch's LID is in Decimal base format, and the mst device switch representation is in Hexadecimal base format.
1.7) Query the switch's firmware by invoking:
flint -d <remote_switch_mst_device> q
Example:
flint -d /dev/mst/SW_MT51000_Is-5023_lid-0x001B -qq q
The output will contain the firmware version, device ID, PSID, etc.
If you will provide the output , we can check maybe it has an old firmware and maybe an upgrade will help.