Access Point Configuration on Cisco 9800 WLCs
If you’ve used the new Cisco 9800 Wireless LAN Controllers, its hard not to notice that a lot has changed. This is especially so if you’re used to the older…
Pulling TfL Line Status using REST APIs
The London Underground is the oldest underground train system in the world. Despite its age however, its owners (Transport for London) seemed to have spared no effort to ensure that…
Querying Cisco DNAC using REST APIs and Python
After copious amounts of blood, sweat and tears, I managed to compile a script which allowed me to enter a MAC Address and query Cisco DNA Center using REST APIs…
Checking for CLI Outputs using Netmiko
Recently I found myself in a situation where I had to find every Switch in a deployment that was hitting a specific bug. This bug ultimately meant that certain commands…
Line Breaks in Python
When learning basic Python, I had to restructure the way I looked at things. An early problem I encountered was the simple task of printing output to new lines, one…
Network Bandwidth Testing using iPerf
From time to time you will find yourself needing to check the actual bandwidth capacity from one endpoint to another. Whether it is to determine any bottlenecks, to carry out…
What is an SVI?
Otherwise known as an ‘Interface VLAN’, an SVI (Switched Virtual Interface) is one of the things that really confused me when I first started studying for my CCNA. VLANs as…
Packet Capture on Cisco 9300 Switches
Cisco’s 9300 line of Switches are a welcome upgrade to the line-up. Recently I discovered that they have the ability to capture packets on the Switch themselves (specifying a port)…
Confirming Your Current User Account
When working on Linux, you might not always be able to see which user you are logged in as by default, or perhaps you want confirmation before making a change.…
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