Hello everyone,
I’m configuring RoCE on Mellanox ConnectX-3 VPI (not pro). OS is Windows Server 2016 Datacenter (Core).
And two commands report two different RoCE settings:
Get-MlnxNetAdapterRoceSetting
Name Description Enabled RoCE Mode
Mellanox1 Mellanox ConnectX-3 Ethernet Adapter 1.25
Mellanox2 Mellanox ConnectX-3 Ethernet Adapter #2 1.25
Get-MlnxDriverCoreSetting
Caption : DriverCoreSettingData ‘mlx4_bus’
Description : Mellanox Driver Option Settings
ElementName : mlx4_bus
InstanceID : mlx4_bus
Name : mlx4_bus
Source : 3
SystemName : PS-HV-HOST01
LogMttsPerSeg : 0
LogNumCq : 16
LogNumMac : 7
LogNumMcg : 13
LogNumMpt : 19
LogNumMtt : 20
LogNumQp : 20
LogNumRdmaRc : 4
LogNumSrq : 16
LogNumVlan : 7
MaximumWorkingThreads : 4294967295
RoceMode : 2.0
Set4kMtu : True
SriovPort1NumVFs :
SriovPort2NumVFs :
SriovPortMode :
PSComputerName :
Can somebody could clarify this discrepancy, and what is RoCE mode 1.25
Also from documentation, this card (Mellanox ConnectX-3 VPI) does not support RoCE v2.
I used Windows Server 2016 to enable RDMA, have not changed RoCE mode in driver configuration, should I switch RoCE Mode to V1 ?
Any help is appreciated.
K.