Welcome to another exciting episode from Cyberwings Security!
A network switch is a networking device that connects multiple devices to a network. It is a Layer 2 device in the Open Systems Interconnection (OSI) model, and it operates by forwarding data packets between devices based on their MAC addresses. Switches are commonly used in local area networks (LANs) to connect devices such as computers, printers, and servers.
How does a network switch work?
When a device on a network sends a data packet, it includes the MAC address of the destination device in the packet header. The switch receives the packet and checks its MAC address table to determine which port the destination device is connected to. The switch then forwards the packet to that port.
Types of network switches
There are two main types of network switches: unmanaged and managed. Unmanaged switches are simple plug-and-play devices that do not require any configuration. Managed switches, on the other hand, offer a variety of features and configuration options, such as VLANs, QoS, and SNMP monitoring.
Uses of network switches
Network switches are used in a variety of environments, including:
Homes and small businesses: Switches can be used to connect multiple devices to a home or small business network, such as computers, printers, and game consoles.
Enterprise networks: Switches are used to connect large numbers of devices in enterprise networks, such as servers, storage devices, and workstations.
Data centers: Switches are used to connect the servers and other networking equipment in data centers.
Benefits of using network switches
There are several benefits to using network switches:
Improved performance: Switches can improve the performance of a network by reducing the number of collisions.
Increased scalability: Switches can be used to expand the size of a network by connecting multiple switches together.
Improved security: Switches can help to improve the security of a network by isolating devices on different VLANs.
Simplified management: Managed switches offer a variety of features that can simplify the management of a network.
Conclusion
Network switches are essential components of modern networks. They provide a reliable and efficient way to connect multiple devices to a network.
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0:00 Introduction
3:06 HOW SWITCH WORKS
6:36 TYPES OF NETWORKING SWITCHES
7:37 CISCO SWITCHES
8:44 CORE, DISTRIBUTION AND ACCESS SWITCH
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