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
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
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
Thanks to Cisco's push to deploy more Thousand Eyes agents, the Catalyst team has given us an easy button for deploying agents to the Catalyst 9300 and 9400 switches using Catalyst Center, formally DNA Center. The agent is deployed as a docker container using the App-hosing framework built natively into the 9300 and 9400 series … Continue reading Deploy Thousand Eyes Agent using Catalyst Center (DNAC)
My latest project has been a switch refresh and a deployment of a Catalyst Center with Assurance only for a customer across off of their sites. Now the task I had at hand was how can I use Catalyst Center to automate as much configuration on the switches as possible. Because we were only licensed … Continue reading Configuration Automation using Catalyst Center with Assurance
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.
Network documentation is arguably both the most important and most over looked tasked a network administrator does. A good network diagram is invaluable for understanding how a network is working, for troubleshooting when its not working, and a great source of information when onboarding new employees to the network team or, more important to me, … Continue reading Documenting your Network
Three years ago Cisco introduced the Catalyst 9000 series switches as the next generation of campus switches. Every Catalyst switch family had an equivalent 9K to replace it; the 3800s were replaced with the 9300, the 4500s were replaced with the 9500, and the long standing 6500 chassis switches were replaced with the 9400. Cisco … Continue reading Welcome to the Family: The Catalyst 9200 is Born
You have been working as a network administrator for your company for a few years now. In that time you have been asked to complete a handful of network projects; a new office turn up here, replace some switches or a router there. The whole time you work from old templates or, in the case … Continue reading How Optimized is your Network?
The InterNetwork 