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Are you confused about how does a switch work? This article will help you understand what a switch is and how it works. A switch is a networking device that connects devices on a computer network. It allows multiple devices to communicate with each other by forwarding packets of data to their intended destinations.
Switches Are Classified into Different Types Based on Their Functionality and Features.
• Managed Switch: A managed switch allows for more control over the network. It can be configured and managed through a web interface or command-line interface. Managed switches offer advanced features such as Quality of Service (QoS), VLANs, and Link Aggregation.
• Unmanaged Switch: An unmanaged switch is a simple plug-and-play device that does not require any configuration. It automatically forwards packets of data to their intended destinations. Unmanaged switches are less expensive than managed switches but do not offer as many advanced features.
• Layer 2 Switch: A Layer 2 switch operates at the Data Link Layer of the OSI model. It uses MAC addresses to forward packets of data. Layer 2 switches are designed to handle a large number of devices on a single network.
• Layer 3 Switch: A Layer 3 switch operates at the Network Layer of the OSI model. It uses IP addresses to forward packets of data. Layer 3 switches offer routing functionality in addition to switching. They are often used in enterprise networks to handle a large number of devices and to connect different subnets.
• PoE Switch: A PoE switch is a switch that provides power to devices over Ethernet cables. It eliminates the need for separate power supplies for devices such as IP phones and wireless access points.
• Stackable Switch: A stackable switch can be connected to other stackable switches to form a single, logical switch. This allows for increased scalability and easier management of larger networks.
• Smart Switch: A Smart Switch is a switch that is equipped with the intelligence to understand and make decisions based on the traffic passing through it. They can provide advanced features like VLAN, Quality of Service, Link Aggregation, and other features that can be managed through a web interface.
Switches are classified based on their functionality and features. The type of switch used will depend on the specific requirements of the network. Managed switches offer advanced features and more control over the network, while unmanaged switches are a simple plug-and-play option. Layer 2 and Layer 3 switches handle data at different layers of the OSI model, and PoE, Stackable, and Smart switch have their specific use cases.
How Does a Switch Work? A Vivid Explanation for You.
As mentioned above, a switch is a device that connects multiple devices on a network together. It allows those devices to communicate with each other and share information. Think of a switch like a traffic cop directing cars on a busy street.
• When a device, like a computer or a printer, wants to send information to another device on the network, it sends the information in the form of data packets. The switch receives these packets and looks at the destination address on the packet, which is like the address on an envelope. It then compares the destination address to a list of addresses and ports it has stored, called a MAC address table.
• If the switch has seen the destination address before, it will forward the packet to the corresponding port. This is like the traffic cop directing the car to the correct street. If the switch hasn’t seen the destination address before, it will forward the packet to all ports on the network, except for the port it was received on. This is like the traffic cop directing the car to all the streets in the city, to see if it can find the correct address.
• When a device, like a computer or a printer, receives a packet, it checks the destination address on the packet. If the address matches its own address, it will accept the packet and read the information. If the address doesn’t match, the device will ignore the packet. This is like the postman delivering the mail only to the correct address.
• Switches can also be configured to create virtual local area networks (VLANs). VLANs are like different neighborhoods in a city. Each neighborhood has its own set of streets and houses, and the traffic cop directs cars only to the correct neighborhood. In the same way, VLANs allow you to segment a network into smaller, logical subnets, which can be useful for isolating different groups of devices or for creating separate networks for different departments within an organization.
How does a switch work? Now you should get the idea. If you want to learn more about the switch, just visit RuiJie to ask or pick to get the best solution for you.
Fixed 10G Up L3 Switch
Fixed 10G Up L2 Switch
Metal Casing
Ceiling AP
NAC Software
Modular Switch
10G Fixed Switch
Wall-Mount AP
Core-side Optical Transceivers
Wi-Fi 5
Wi-Fi 6
EG1500 Series
Wi-Fi 7 Router
Wi-Fi 5 Extender
Wi-Fi 4 Extender
Wi-Fi 4 Router
Service Center
Connect
Try searching our site
Ruijie Networks websites use cookies to deliver and improve the website experience.
See our cookie policy for further details on how we use cookies and how to change your cookie settings.
Cookie Manager
When you visit any website, the website will store or retrieve the information on your browser. This process is mostly in the form of cookies. Such information may involve your personal information, preferences or equipment, and is mainly used to enable the website to provide services in accordance with your expectations. Such information usually does not directly identify your personal information, but it can provide you with a more personalized network experience. We fully respect your privacy, so you can choose not to allow certain types of cookies. You only need to click on the names of different cookie categories to learn more and change the default settings. However, blocking certain types of cookies may affect your website experience and the services we can provide you.
Through this type of cookie, we can count website visits and traffic sources in order to evaluate and improve the performance of our website. This type of cookie can also help us understand the popularity of the page and the activity of visitors on the site. All information collected by such cookies will be aggregated to ensure the anonymity of the information. If you do not allow such cookies, we will have no way of knowing when you visited our website, and we will not be able to monitor website performance.
This type of cookie is necessary for the normal operation of the website and cannot be turned off in our system. Usually, they are only set for the actions you do, which are equivalent to service requests, such as setting your privacy preferences, logging in, or filling out forms. You can set your browser to block or remind you of such cookies, but certain functions of the website will not be available. Such cookies do not store any personally identifiable information.
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