The Importance of Training IP Addressing and Subnetting
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Course Description

IP addressing seems simple enough until one opens the hood. Then it quickly becomes unruly. Subnetting is, if anything, an extreme example of what one might call a "subject explosion".

Learning the concepts first and then the subtleties of addressing and subnetting requires specific and finely-honed teaching skills and specific materials. Over time we have put these together to form what we believe to be the only extant instructor-led course material focused solely on this vital topic.

Those who design IP networks, assign addresses or configure routers appreciate the complexities subnetting can present. Anyone who really wants to understand IP addressing is a candidate for our one-day class targeting this topic.

Sometimes we schedule several days of subnet training in a row, repeating the topic for a different group each day. The benefit is that the class is smaller, more individual attention is possible, and groups can be divided by skill level. Former students can come back the next day [at no charge] if they feel the need to reinforce their skills.

Several subnet calculator tools are introduced and used, so that students can begin to use what they have learned immediately on the job.

Related topics, such as CIDR addressing (supernetting) and the inverse-masks (also called wild-card masks) used in Cisco routers (especially in security-based access control lists) can also be covered if another day is added.
 

Objectives

Successful completion of this class means that students can devise an addressing plan for a TCP/IP network that meets all technical requirements and simultaneously conserves valuable IP address space. Students can divide address space into any desired size by calculating and applying the correct subnet mask. At first, students are required to use only binary arithmetic. Once the essential concepts are absorbed, several subnet calculators are introduced, along with a subnet "cheat sheet". Students can intelligently choose for themselves which they prefer to use on the job.
 

Instructional Methods

Balanced presentation and discussion, extensive and progressively more difficult paper exercises using binary arithmetic, and finally, use of subnet calculators.
 

Audience

This class is intended for TCP/IP network professionals who work extensively with routers and TCP/IP-enabled workstations. Anyone who really needs to understand, calculate and apply TCP/IP addressing and subnetting plans is a candidate for this intensive and detail-oriented class.
 

Prerequisite

Students must be able to count in binary and convert binary into decimal and vice versa without the use of aids such as a calculator. There is no need to be able to add, multiply, subtract or divide in binary.

To help meet this prerequisite, Data Dynamics will supply a binary tutorial as well as a prerequisite self-test that prospective students must be able to complete prior to attendance. Students will be tested first thing in class. Any who fail will be deemed not meeting the prerequisite and will be returned to work.

As an alternative, the one-day duration can be extended to two days if it is necessary to start by teaching the essentials of binary arithmetic.
 

Duration

One (or two) days
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