APPILY NETWORK MASK TO IPADDRESSES PRO
Pro Tip #1: Understand binary numbers - but don't get hung up on themĮach digit of a binary number can one of 2 values - 0 or 1. Given an IP Address and Subnet Mask, we want to be able to quickly determine the Network Address and Broadcast Address of the network defined by the IP Address / Subnet Mask combination. We can define our requirement as follows: Once we master this outcome, the other 2 outcomes mentioned above become much simpler to master.
This post will focus exclusively on this outcome. This forms the basis of designing IP-based routed networks. Of the three outcomes we outlined above, identifying network boundaries is the most important one.
The first step in simplifying everything related to subnetting is to identify the key outcomes we are aiming for:
Why are we writing a post on the topic? Our purpose is simply to demonstrate that subnetting is not as challenging a topic as it might sometimes seem. Why should we put in the effort to master subnetting? The answer is simple - it is essential to master subnetting if one wants to pursue a career in computer networking.
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