I have a ConnectX3 card in ESXI 6.5 connected with the Mellanox MC2609130-001 Passive Copper Hybrid Cable Ethernet 40GbE to 4x10GbE QSFP to 4xSFP+ to an Alcatel Lucent 6900 switch. Only port 1 with 10 GB get into service. If I use a 40GB to 4*10GB cable to connect one Alcatel 40GB port to 4*10 GB Alcatel ports it works. I had to set the 40GB port on Alcatel to "split mode". If I connect the ConnectX3 card with a 40GB cable to a 40GB port at Alcatel it works too.
Do I need to configure the ConnectX3 card to a kind of "split mode" in VMWare to have 4*10 GB links running as I did on the Alcatel switch?
Device Type: ConnectX3
Part Number: 08KP6W_0M9NW6
Description: ConnectX-3 Dual Port QSFP 40GbE Adapter card for Dell PowerEdge
PCI Device Name: mt4099_pci_cr0
Port1 MAC: 248a07c081e0
Port2 MAC: 248a07c081e1
Versions: Current Available
FW 2.40.5048 N/A
PXE 3.4.0746 N/A
UEFI 15.11.0040 N/A
Status: No matching image found