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Network Switches
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A network switch is a technological device that can handle an influx of data, coming and going from various devices that are connected to one singular network.
The intricate details of a network switch can be quite complicated to a novice. It receives packets sent out by connected systems towards its physical ports and sends them to the targets of the packets. Switches can also function where routing takes place.
A switch records the media access control, also known as a MAC address, of a connected device, which is a code built into the networking interface card of the enabled device.
An Ethernet wire that leads to the switch has the networking interface card attached to it. The MAC address is used by the switch to determine which device is sending outbound packets and where it should send packet data.
The network layer's (Layer 3) IP address can be loaded into memory to a device and can fluctuate over time, but the MAC address defines the physical device and is static.
The switch scans the signature of each packet as it enters, compares the address of the destination or destinations, and then delivers the packet via the proper ports to the ultimate devices they're headed to. It is able to read information bundled within a data packet with quick speed and efficiency.
Most switches have full-duplex functionality, wherein packets arriving and leaving to a device have access to an entire bandwidth of the switch connections, to lessen the possibility of network traffic from and to a switch and a device connected colliding at the same time.
Network switches are needed for many businesses that handle a great deal of data and want it to arrive with speed, accuracy, and safety.
