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Difference between VLAN and Subnet

Difference between VLAN and Subnet

When it comes to networking, there are many different terms and concepts that can be confusing for newcomers. Two of the most commonly confused concepts are VLANs and subnets. In this blog post, we will explain the difference between VLANs and subnets, and how they can be used to improve your network security. Stay tuned!

What is VLAN?

A VLAN, or Virtual Local Area Network, is a logical subdivision of an IP network. VLANs allow network admins to create separate, independent networks within a single physical infrastructure. By configuring VLANs, admins can segment their network traffic and better control which users have access to which resources. VLANs also make it easier to coordinate security policies and apply updates across a large network. In short, VLANs offer greater flexibility and granular control than traditional networking methods. As a result, they are an essential tool for any network admin looking to optimize their infrastructure.

What is Subnet?

Subnet, short for subnetwork, is a logical partition of an IP network. Subnets are created by dividing the network into different parts. Each part is called a subnet and has its own unique IP address range. Subnets are useful for organizing large networks into smaller, more manageable sections. They also help to improve network performance by reducing the amount of traffic on the network. Subnets can be created manually or automatically, depending on the needs of the network.

Difference between VLAN and Subnet

  • VLAN and subnet are two networking concepts that are often confused with one another. A VLAN is a virtual LAN that uses software to create logically separate networks. VLANs are often used to segment network traffic for security or performance reasons. Subnets, on the other hand, are physical networks that are created by dividing a larger network into smaller segments.
  • Subnets typically use hardware devices, such as routers, to segregate traffic. While VLANs and subnets both involve the division of networks, they are typically used for different purposes. VLANs offer more flexibility and can be easily reconfigured, while subnets provide greater security and performance. As a result, it is important to carefully consider which approach is best for your particular needs.


There are a few key differences between VLANs and subnets. Subnets break up a network into smaller pieces, which makes managing traffic easier and can improve performance. Conversely, VLANs allow for more security by isolating devices on different broadcast domains.

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