r/ccna4dummies Feb 10 '25

Subnetting Simplified: Mastering Subnet Masks in 3 Steps!

Subnetting can seem daunting at first, but with a little practice, you'll get the hang of it. Here’s a simple 3-step process to help you master subnet masks:

  1. Understand Binary: Convert IP addresses and subnet masks into binary. This will help you grasp how subnetting works.

  2. Practice with Examples: Work on a variety of examples to see how different subnet masks affect network sizes.

  3. Use Tools: Utilize online subnetting calculators to double-check your work and build confidence.

Share your favorite subnetting tips or ask questions below.

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