Intel server broad SE7230NH1 with cisco switch

Intel server broad SE7230NH1 with cisco switch's picture

Dear all,
i have built clusters with intel server broad SE7230NH1 and connected them with cisco switch (gigabit) .
However, after some calulations, the results seem that the communitcation time is extremely long. Maybe, the cisco switch is not compatible with the chipsets. therefore, i have fixed the switch to gigabyte speed.
Meanwhile, i also want tofix the On-broad lan (Integrated Intel 82551QM Gigabit Ethernet controller supporting 10BASE-T and 100BASE-TX) to gigabitto ensure full dulplex

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