Working principle of Industrial switch

- May 05, 2018 -

Working principle of Industrial Ethernet switch Industrial Ethernet switch is a data link layer machine. Ethernet uses physical address to address 48 bits or 6 bytes. The principle is that when a broadcast frame is received, it forwards to all ports except the receiving port. When a unicast frame is received, it checks its destination address and corresponds to its own MAC address table, forwarding if the destination address exists, If the MAC address of the host is the same as the destination MAC address of the frame, it is discarded. If the host is the same, the MAC of the host is automatically added to its MAC address table.

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