Teaching NAT in CCNA4

Recently as I was preparing to teach CCNA4 chapter 5 on NAT (Network Address Translation), I decided to put additional information in the introduction to draw the students attention to the state of IPv4 particularly in our region and country specifically. This would then set the basis for me to introduce NAT and its purpose as an immediate solution to IPv4 address exhaustion.

Here are some links I found in my research that I thougth would be helpful to other instructors who are preparing material for teaching.

Source: Internet Society IPv6 introduction course screenshot.

• Allocation of IP addresses by country - You can find your country and extract the information needed to give your students an overview of the number of addresses allocated by IANA to your country.

• Major IP Address blocks - This site gives you blocks of allocated addresses but does not indicate which ISP uses what block, the next link does show you further info

• Gateway information and address blocks by ISP's in your country - this is a very useful site as it gives you additional info about your country's gateway as well as the block allocations to ISPs that operate in your country.

Tinkering with Raspberry Pi

Sometimes when you get handed something new and interesting, you have two choices; you either put it away or you start tinkering over it. If you like tinkering over new and interesting gadgets, you will soon learn one or two things about it (even become good at something).

That is exactly what happened to me when I was first given a Raspberry Pi 2 two years ago by the head of our department.

Raspberry Pi 2

•Small computer
•Make, learn, design in a fun way
•Quad core CPU
•1 GB RAM (Pi 2)
•40pin GPIO
•Micro SD slot
•4 USB ports, HDMI, Stereo output, DSI display
•Micro USB power source

  

 

 At first glance, I had some idea what it could be but I never knew what interesting things you could do with such a very small thing, almost the size of your BSP Kundu card.