Wifi-7 (802.11be) was ratified last year and we have now started seeing vendors shipping APs based on these new standards. In this post lets discuss what is new with Wifi-7 and compare it to how it its an improvement over Wifi-6e. With Wifi-7 we see these new advanced features: 320 Mhz channel width: With Wifi-7 … Continue reading What’s New With Wi-Fi 7
I've been doing a fair amount of wireless surveys lately, and part of the survey process includes generating the report that I present to the customer. These reports come with a series of heatmaps that aren't always self explanatory. This often leads to a discussion with the customer where i provide additional interpretation of the … Continue reading Understanding Wireless Heatmaps: How to interpret wireless survey reports
This post is the third post in a three part series on QoS. If you haven't read the first blog post, I highly recommend reading the first part here. https://internetwork.blog/2024/09/26/quality-of-service-when-to-use-it/ In this post I am going to focus on the Queuing and Policing aspects of QoS. To reiterate the scenario I started with in the … Continue reading Quality of Service: Queuing and Policing
This post is the second post in a three part series on QoS. If you haven't read the first blog post, I highly recommend reading the first part here. https://internetwork.blog/2024/09/26/quality-of-service-when-to-use-it/ So I just completed a Quality of Service, or QoS, assessment for a customer. While I was writing the assessment I decided to brush up … Continue reading Quality of Service: The Importance of Classification
I am currently finishing a project where I am designing a custom Quality of Service policy for a customers suite of business critical applications. The customer uses MPLS as their WAN and the bandwidth for the MPLS is different depending on the site; Datacenters have more bandwidth, branches have decent bandwidth, and small kiosks only … Continue reading Quality of Service: When to use it
In my seemingly endless quest for the CCIE I have learned about two decently powerful tools that together make an incredibly powerful and custom solution for modern DevOps/DevNet network; Embedded Event Manager (EEM) scripting, and Guestshell in IOS-XE devices. EEM scripting is far from new in the world of Cisco networks, it is a custom … Continue reading Understanding the power of Guestshell with EEM scripting
In my ongoing effort to randomly write about what I am actively working on, I am currently deploying an SD-Access fabric using Cisco's DNA Center, now rebranded as Catalyst Center. As part of this project we used the LAN automation process to build the network to all of the access switches. We had about 15 different switches … Continue reading Using DNA Center (Catalyst Center) LAN Automation to make your life easier.
Cisco SD-WAN (formally Viptela) is quickly becoming the go to WAN solution for Cisco customers. As companies are looking to replace their aging DMVPN solution, Cisco SD-WAN has become the logical choice. Companies can stick with the same ISR platform running IOS-XE that they already know, and in some cases can upgrade their existing routers … Continue reading Cisco SD-WAN PnP Onboarding
I recently completed my Ekahau Design training and certification. During the first day of class the instructor went over wireless fundamentals. Now as an experienced wireless engineer most of the topics were ideas that I had already known, however there were a few idea's that changed the way I understand wireless for the better. Lets … Continue reading Idea’s that will change how you see Wifi
With the explosion of wireless technology we have experienced in the last few years, wireless networks are being asked to handled more and more demanding traffic. Between laptops, cell phones, and wireless IoT devices, the importance of having your wireless infrastructure optimized has never been greater. In this post hopefully I will be able to … Continue reading WiFi Optimization: How to Tune your Wireless Network
The InterNetwork 