A government customer purchased multiple Huawei distributed storage devices to provide DPC file services for upper-layer businesses.
During the DPC service configuration process, engineers need to plan and configure storage switches. Which of the following descriptions of storage switch configuration requirements is wrong?
A. During the configuration process, if the control network does not cross subnets, but there will be cross-subnet expansion operations later, engineers must configure VLAN and flow control, but there is no clear configuration requirement for the control network gateway
B. When the transmission protocol is RoCE, engineers need to configure VLAN and flow control
C. Engineers can form M-LAG with multiple switches, and when the transmission protocol is IB, engineers need to enable subnet management
D. During the configuration process, engineers need to configure the IP address of the switch management network port
