40G management ports can run in 2 x 40G or 4 x 10G mode or 2 x 2 x 10G The utility is located in
/opt/fmadio/drivers/current/qcu64e
Get the current setting as follows
fmadio@fmadio100v2-228U:/opt/fmadio/drivers/4.9.247-tinycore64$ sudo ./qcu64e
Intel(R) QSFP+ Configuration Utility
QCU version: v2.34.17.03
Copyright(C) 2014 - 2019 by Intel Corporation.
Software released under Intel Proprietary License.
NIC Seg:Bus Ven-Dev Mode Adapter Name
=== ======= ========= ======== =================================================
1) 000:026 8086-1583 2x40 Intel(R) Ethernet Server Adapter XL710-Q2OCP
Warning: No adapter selected.
fmadio@fmadio100v2-228U:/opt/fmadio/drivers/4.9.247-tinycore64$
To check the available port modes
To query what port configuration modes are avaliable use
sudo ./qcu64e /nic=1 /info
As shown below
Intel(R) QSFP+ Configuration Utility
QCU version: v2.34.17.03
Copyright(C) 2014 - 2019 by Intel Corporation.
Software released under Intel Proprietary License.
Adapter supports QSFP+ Configuration modification.
Current Configuration: 2x40
Supported Configurations:
1x40
2x40
4x10
2x2x10A
2x2x10B
fmadio@fmadio100v2-228U:/opt/fmadio/drivers/4.9.247-tinycore64$
Set a specific Port mode
Changing the port is simply
qcu64e /nic=1 /set=4x10
As follows
$ sudo ./qcu64e /nic=1 /set=4x10
Intel(R) QSFP+ Configuration Utility
QCU version: v2.34.17.03
Copyright(C) 2014 - 2019 by Intel Corporation.
Software released under Intel Proprietary License.
Changing the configuration...
Done.
Restart the system to apply the changes.
fmadio@fmadio100v2-228U:/opt/fmadio/drivers/4.9.247-tinycore64$
