Housekeeping Notice: No Config Labs for this Book Part

 In Config Lab CCNA Vol 1 Part 1, Config Lab CCNA Vol 1 Part 8, Config Lab CCNA Vol 2 Part 4, Config Lab CCNA Vol 2 Part 5

In this blog, some menu categories do not happen to have any posts associated with them. That’s just coincidence regarding what topics I’ve happened to choose over the many years of writing this blog. However, for Config Lab posts, I get an occasional question like “where are the config labs for this part? I don’t see any.” Turns out that some book parts or chapters do not happen to include CLI configuration topics, so there are no Config Lab posts. Here are the Book parts that currently have no Config Labs with the two books for the CCNA 200-301 exam:

  • CCNA 200-301 Volume 1 Part 1 (Fundamentals)
  • CCNA 200-301 Volume 1 Part 8 (Wireless)
  • CCNA 200-301 Volume 2 Part 4 (Architecture)
  • CCNA 200-301 Volume 2 Part 5 (Programmability)
Q: A Port Security Question
A: A Port Security Question
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I am new here. There seems to be so much information and i don’t know where to get hands on labs question. and help on how to go about int this blog?


Hi – Glad you came here to look around.
In the upper right there is a search box. You can type anything in there and find what you are looking for.
You can also hover over the Blue Menu bar and view the the drop down menus. The “Hands On” menu will have the Lab categories and once you pick a category you can search or sort them.

joshua hurley

not exactly sure what to do on this page is this supposed to be a lab we can do or just a place for blogs? i would like a lab to use


I notice there is no Hands On Vol 1 Part 4, is this correct?

Vicente Torres

Hi Wendell, I have some doubts about Vol2- part 5 topics, and I’m glad we have this space to ask you.

About Configuration Management Tools (ie. Ansible, Puppet and Chef). Are they intended for old Cisco hardware instead of newer hardware with SDN/controller support?

Do SDN/Controller tools (ie. ACI, DNA) include their own Configuration Management Tools? or should they be complemented with such tools as Ansible, Puppet and/or Chef?

Thanks in advance.

Wendell Odom

Hi Vicente,
Glad you like the blog comment area!
Config Management tools aren’t so much for old vs. SDN for new, but that does tend to be the case. But it’s reasonable to be a bit confused, because many network automation tools exist and you have to learn quite a bit to sift through them. It’s more about the operational model. For instance.
Old gear, for decades, works via humans performing device-by-device (aka distributed) configuration. Config Management tools help when using that model. The SDN models used by Cisco, for instance, ACI, and SDA which uses the DNA-C controller), they use a model in which humans do not perform device-by-device distributed configuration. So a Config Management tool is simply the wrong tool. Those cases also happen to be newer as for age in the marketplace.

So, I just looked at your second question, and I may have already answered it? Short answer is no, there’s no need for a Config Management tool, because the controller configures the distributed devices.

Hope this helps,

Vicente Torres

I just wanted to thank you for all your answers during these months of preparation. I just passed my exam today!!! I went out of the testing center with a great smiley face and feelings!! This was such a great experience!!!

Wendell Odom

You’re quite welcome, Vicente! I knew you wold do well – your questions showed how much hard work you were doing. Congratulations!!

Vicente Torres

Hello Wendell, here with another doubt, now about Vol2-part 3-QoS.

I understood that QoS is manageable on enterprise’s devices and with the aid of WAN Service providers for private communications. And that traffic on the internet ignores QoS markings, so such QoS config effort made in the enterprise would be useless if traffic goes to the internet?. Is that right? Thinking mostly about the recent COVID pandemic that made all of us make intensive use of video conference tools such as Cisco webex, Zoom, MS Teams, etc. Which would benefit of QoS, but they all flow through the internet to reach endpoints in the enterprises LANs and our homes while in home-office. How can these tools benefit of QoS if internet does not provide such features?

Thank you.

Wendell Odom

Hi Vicente,
For the first half of your paragraph, the short answer is that you are correct. Imagine a router in the Internet at some ISP. It has the ability to see and react to QoS markings (specifically DSCP), but it has no ability to trust that such a marking is legitimate, accurate about the traffic, or to know what markings different well-intentioned customers might have used. It’s like having a special traffic lane on the highway, with no way to know who is allowed to use it at the current time.

Second half… If an enterprise wants the benefits of QoS for any traffic, video conferencing included, then their WANs need to use something other than the Internet. They don’t benefit from QoS with the traffic flowing over the Internet because the Internet doesn’t provide QoS benefits that differentiate between one type of packet vs. another. It’s that simple. That doesn’t mean interactive video doesn’t work over the Internet – clearly it does – it just has worse performance vs. the same traffic under the same conditions, but over a private WAN that has QoS applied.

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