Last Updated: 11 September 2013
A repository of helpful tools selected to aide students learning how to subnet...
Tutorials, Workshops, and Articles:
Easy Subnetting (.pdf) Adapted from an article originally published on the Internet by Greg Stanley, MCP; rewritten by Beau Sanders; this article is written to help students who need a system to answer subnetting questions for certification exams or college networking courses, where calculators and/or tip sheets are not allowed; the writer assumes that the reader is familiar with subnetting theory and knows how to count in binary at least to 16 bits; included in the Subnetting Workshop handout listed below Seven Steps to Subnetting (.pdf) Excerpt from MCSE Guide to Microsoft® Windows 2000® Networking Certification Edition, written by Kelly Caudle, Walter J. Glenn, and James Michael Stewart; published by Course Technology Handout from Subnetting Workshop (.pdf) A collection of very helpful articles on subnetting, including "Easy Subnetting" and "Subnetting 1 2 3", as well as several subnetting hands-on exercises Answer Key for Handout from Subnetting Workshop (.pdf) Here are the answers to the hands-on exercises in the handout above Subnet Workshop Audio File - Part 1 - 35 minutes (.mp3) Subnet Workshop Audio File - Part 2 - 65 minutes (.mp3) Audio from Subnetting Workshop held in January 2008; listen to this lecture while following along in the handout above; does not include discussion of exercises at end of handout; this lecture was recorded during a class at Greenville Tech Subnet Workshop Worksheet (.pdf) Blank Subnet Worksheet used in our Subnetting Workshop (.pdf) Subnetting 1 2 3 (.pdf) Written by Adam Chee, this tutorial article walks the reader through Mr. Chee's system for subnetting during networking exams; included in Subnetting Workshop handout listed above IP Subnetting, Variable Subnetting, and CIDR (Supernetting) Excellent article on subnetting IP Variable Length Subnet Masking (VLSM) Learn how to subnet a subnet and better manage address space when networks have varying number of host requirements Quick and Dirty Subnetting (pdf) A simple two page tutorial on how to subnet from PrepLogic Learn to Subnet (pdf) A five page whitepaper on learning how to subnet from PrepLogic
Subnetting Web Sites:
LearnToSubnet.com Informative tutorials on how to subnet; very helpful for new subnetters and a great refresher for those who have not had to subnet in a while; highly recommended by your instructor SubnetOnline.com An excellent online resource for all things related to subnetting; includes several excellent subnet calculators
Subnet Calculators and "Cheatsheets":
Solarwinds.net Free Advanced Subnet Calculator One of the best free subnet calculators found on the Internet; click on the "Download Adv Subnet Calculator Now", complete the contact form, and follow the online instructions TCP/IP Cheatsheet v2.1 (.pdf) Handy collection of test taking aides from Boson Software Subnet and IP Cheatsheet (.pdf) Harvested from SubnetOnline.com, this is a detailed cheatsheet for advanced subnetters Subnetting Tip Sheet (.pdf) A homemade CCNA tip/cheatsheet that collects the most important subnet details on one page