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9 lines
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9 lines
1.6 KiB
# Basics of Subnetting |
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Subnetting is a technique used in computer networking to divide a large network into smaller, more manageable sub-networks, or "subnets." It enhances network performance and security by reducing broadcast traffic and enabling better control over IP address allocation. Each subnet has its own range of IP addresses, which allows network administrators to optimize network traffic and reduce congestion by isolating different sections of a network. In subnetting, an IP address is split into two parts: the network portion and the host portion. The network portion identifies the overall network, while the host portion identifies individual devices within that network. Subnet masks are used to define how much of the IP address belongs to the network and how much is reserved for hosts. By adjusting the subnet mask, administrators can create multiple subnets from a single network, with each subnet having a limited number of devices. Subnetting is particularly useful for large organizations, allowing them to efficiently manage IP addresses, improve security by segmenting different parts of the network, and control traffic flow by minimizing unnecessary data transmissions between segments. |
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Learn more from the following resources: |
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- [@article@Networking Basics: What is IPv4 Subnetting?](https://www.cbtnuggets.com/blog/technology/networking/networking-basics-what-is-ipv4-subnetting) |
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- [@video@Lets subnet your home network!](https://www.youtube.com/watch?v=mJ_5qeqGOaI&list=PLIhvC56v63IKrRHh3gvZZBAGvsvOhwrRF&index=6) |
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- [@video@Subnetting for hackers](https://www.youtube.com/watch?v=o0dZFcIFIAw) |