Forwarding - This is the process of transferring network traffic from one device connected to one port of a network switch to another device connected to another port. Preventing Layer 2 Switching Loops - In a Local Area Network, redundant connections are built to prevent the entire network from failing if one link fails. Layer 2 switching loops and broadcast storms can be caused by redundant connections. Router Its major purpose is to connect many types of networks at the same time using adaptive and non-adaptive routing.
The router is connected to at least two networks and decides how to deliver each data packet depending on its current knowledge of the network status. If a packet is traveling to the LAN, the router bounces it back.
The packet will be toured depending on the routing table if this is not the case. Hub A hub is a simple and cheap networking device that allows a bunch of computers to be connected to a single network When a hub receives a data packet an Ethernet frame from a network device at one of its ports, it broadcasts repeats the packet to all of its ports,i. A collision occurs when two network devices on the same network try to send packets at the same time.
Applications of each device Switch It is commonly used in local area networks for connecting many nodes.
Forwards a message to a specific host - On each port, a switch, like a bridge, employs the same forwarding or filtering logic. When a host or switch on the network transmits a message to another host or switches on the same network, the switch receives the frames and decodes them to read the physical MAC address component of the message. It manages traffic by forwarding data packets to their proper IP addresses.
Traffic between these networks may be managed. It determines the best path to send packets. It is used for network monitoring. They are also used in organizations to provide connectivity. It can be used to create a device that is available throughout the network. Modes of data transmission They define the direction in which data flows between two communicating devices. There are three types of transmission modes: Simplex - In this mode of transmission, data can only move to one direction i.
Half-Duplex - In this mode, only one device can send or receive data at a time but not both at the same time. Full-Duplex - In this mode, a device can send and receive data at the same time. Addresses used in each device A switch stores and uses the MAC address of a device to transfer data while a router uses the IP address of the device to transfer data between networks.
Transmission of data A switch transmits data from one device to another in form of frames while a router transmits data from one network to another in form of packets. A hub transmits data from one device to another in form of binary bits.
Conclusion In this article, we have looked at hubs, switches, and routers. I hope the article has been of great assistance to you. This article was contributed by a student member of Section's Engineering Education Program. Please report any errors or innaccuracies to enged section. Want to learn more about the EngEd Program? Learn more. React Native. Python Design Patterns. Python Pillow. Python Turtle. Verbal Ability. Interview Questions. Company Questions. Artificial Intelligence. Cloud Computing.
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