Cryptocurrency Q&A Do VLANs exist at Layer 2?

Do VLANs exist at Layer 2?

Lorenzo Lorenzo Wed May 15 2024 | 6 answers 1079
Could you please clarify for me, do VLANs exist solely at Layer 2 of the OSI model? I'm trying to wrap my head around the concept of how VLANs operate and it seems to me that they play a pivotal role in segmenting networks at the data link layer. However, I'm also aware that networking involves multiple layers and I'm wondering if VLANs have any influence or interaction with higher layers as well. Could you explain this in a way that's easy to understand for a non-expert like me? Do VLANs exist at Layer 2?

6 answers

DigitalCoinDreamer DigitalCoinDreamer Fri May 17 2024
However, it is also possible to configure multiple IP subnets within a single VLAN. This approach can be advantageous in scenarios where greater flexibility is required, such as in large organizations with complex network topologies.

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CoinMaster CoinMaster Fri May 17 2024
VLANs, or Virtual Local Area Networks, represent a fundamental concept in modern networking. They allow for the logical partitioning of a physical network into multiple isolated segments.

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Lucia Lucia Fri May 17 2024
These segments, akin to subnets at the network layer (OSI layer 3), offer increased flexibility and security in network management. VLANs operate at the data link layer (OSI layer 2), making them fundamental building blocks of the network infrastructure.

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Bianca Bianca Fri May 17 2024
In a network environment utilizing VLANs, a common practice is to establish a one-to-one relationship between VLANs and IP subnets. This simplifies network addressing and management, as each VLAN effectively functions as a separate network segment.

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Martina Martina Thu May 16 2024
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