The Formal Process

Although this chapter has explained various steps in finding a subnet mask to meet the design requirements, it has not yet collected these concepts into a list for the entire process. The following list collects all these steps into one place for reference. Note that this list does not introduce any new concepts compared to the rest of this chapter—it just puts all the ideas in one place:

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Step 1. Find the number of network bits (N) per class rules.

Step 2. Calculate the minimum number of subnet bits (S) so that 2S => the number of required subnets.

Step 3. Calculate the minimum number of host bits (H) so that 2H – 2 => the ...

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