Switches do not care about IP addresses nor do they even examine IP addresses as the frames flow through the switch. A switch switches Ethernet frames between Ethernet devices. It is a LAN device that can also be called a multi-port bridge. How do switches and routers work?īefore defining what a Layer 3 switch is, let’s make sure that we are all on common ground and understand what a regular switch and a router do.Ī switch works at Layer 2 of the OSI model (data-link). But what is a Layer 3 switch, what can it do for you, and how does it differ from a regular switch or router? Let’s find out.
You know that you need to replace them and have heard about Layer 3 switches. Let’s say that the switches in your data center or wiring closet are old. The following article was originally posted at :Layer 3 Switches Explained and it is reproduced with their permission. You’ll also understand what to look for when shopping for Layer 3 switches.īy: David Davis, CCIE #9369, CWNA, MCSE, CISSP, Linux+, CEH After reading this tip, you’ll know the difference between a switch, a router, and a Layer 3 switch. The key distinction between Layer-3 switches and routers lies within the hardware technology accustomed build the unit.Layer 3 switches are becoming more and more common in the Enterprise. Layer-3 Switches were formed as a technology to boost on the performance of routers utilized in massive native space networks ( LANs) like company intranets. Its main objective is to attach varied networks at the same time and it works in the network layer. it is used to choose the smallest path for a packet to attain its destination. Routers are the connecting devices in networking. Packet Filter Firewall and Application Level Gateway.Introduction of Firewall in Computer Network.Web Caching and Conditional GET Statements.Computer Network | Quality of Service and Multimedia.Multipurpose Internet Mail Extension (MIME) Protocol.Simple Network Management Protocol (SNMP).What’s difference between The Internet and The Web ?.Types of DNS Attacks and Tactics for Security.Address Resolution in DNS (Domain Name Server).Domain Name System (DNS) in Application Layer.Network Devices (Hub, Repeater, Bridge, Switch, Router, Gateways and Brouter).Difference between Router and Layer-3 Switch.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.Full Stack Development with React & Node JS(Live).Java Programming - Beginner to Advanced.OS DBMS CN for SDE Interview Preparation.Data Structure & Algorithm-Self Paced(C++/JAVA).Full Stack Development with React & Node JS (Live).
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