IPv4 – What is Classless IP Addressing?
If you’re involved at all with IP networks, you will have heard the terms « classful » and « classless ». But what do they really mean and why should you care? In this video, I’ll explain what classless IP addressing is, and how it eventually evolved into the standard deployment method of allocating IPv4 address spaces.
To understand classless addressing, it is necessary to first understand classful addressing, so if you haven’t already done so, I suggest you take a look at my video on that topic first. The link for that video is found further down in this description (after the Chapter List).
Chapter list:
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00:00 Introduction
00:23 Classless IPv4 Addressing
01:27 Flexible Subnet Mask SIze
02:48 Classes A, B, and C
03:16 Network Device Configurations
03:59 VLSM and CIDR
05:36 Summary
Related links and videos:
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Video: IPv4 – What is Classful IP addressing? – https://youtu.be/uDRVo8otM7I
Video: Why does IP require subnetting? – https://youtu.be/o1_uHPmb22k
Video: How Subnetting works – https://youtu.be/N67jxBTK8OY
Video: IPv4 Subnetting – the Network and Broadcast Addresses – https://youtu.be/xsrMzIWapcs
Video: Internet Protocol (IP) – What is it? – https://youtu.be/tJP_PYsLl2Q
Video: Why is 255.255.255.0 the most common subnet mask? – https://youtu.be/GToY3yHxntg
Video: IPv4 Subnetting in Action – Part 1 – https://youtu.be/pXwmW-xnkqQ
Video: IPv4 Subnetting in Action – Part 2 – https://youtu.be/CC4RIEjrUDQ
#ipv4 #ipv4addressing #ipnetworks #classful #classless #lazarusagapidis
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