Describe the difference between a layer 2 switch and a layer 3 switch, and when you would use each in a network environment.

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Answered by suresh

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Understanding Layer 2 and Layer 3 Switches in Network Environments

The Difference Between Layer 2 and Layer 3 Switches

Layer 2 switches operate at the data link layer of the OSI model and make forwarding decisions based on MAC addresses. They are ideal for creating local networks and segmenting traffic at the MAC address level.

On the other hand, layer 3 switches operate at the network layer and can make routing decisions based on IP addresses. They offer advanced capabilities such as routing protocols and can connect multiple networks together.

When to Use Each Type of Switch

Use a layer 2 switch when you need to segment traffic within a local network, manage VLANs, or enhance network performance by offloading traffic from routers.

Opt for a layer 3 switch when you have multiple interconnected networks that require routing capabilities, need to implement dynamic routing protocols like OSPF or EIGRP, or wish to reduce the load on external routers by handling inter-VLAN routing at the switch level.

Keywords: Layer 2 switch, Layer 3 switch, network environment, routing protocols, OSI model

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Answer for Question: Describe the difference between a layer 2 switch and a layer 3 switch, and when you would use each in a network environment.