CCNA 200-301 Official Cert Guide, Volume 1

Appendix L. Subnet Design

Note

This appendix contains an entire chapter that was published as a chapter in one of the past editions of this book or a related book. The author includes this appendix with the current edition as extra reading for anyone interested in learning more. However, note that the content in this appendix has not been edited since it was published in the earlier edition, so references to exams and exam topics, and to other chapters, will be outdated. This appendix was previously published as Chapter 21 of the book CCENT/CCNA ICND1 100-105 Official Cert Guide, published in 2016.

So far in this book, most of the discussion about IPv4 used examples with the addresses and masks already given. This book has shown many examples ...