It’s probably no secret that generating a CSR on the WLC controller so far has not been “effective” because such a signed device certificate, intended for example for GUI access, still generated a certificate error. This was due to the… Read More »Generate and Download CSR Certificates on Catalyst 9800 WLCs
Some time ago, I was asked whether the additional SSID that is to be broadcast in a certain place will not affect people working and connected to the corporate network. This new SSID was intended to be similar and equally… Read More »Wi-Fi profiles settings really matter
In this article, I will explore a quick and efficient way to check whether wireless access points (APs) at a given location have SSH (Secure Shell) enabled and readily accessible. To address this challenge, I will introduce a Python script… Read More »Automating SSH Connection Checks for Thousands of Access Points: A Scripting Solution
This method is not the official way of updating the ROMMON software, as presented by Cisco. You can find more details at this link: Upgrading Field Programmable Hardware Devices for Cisco Catalyst 9800 Series Wireless Controllers If someone is thinking… Read More »Upgrading Field Programmable Hardware Devices for Cisco Catalyst 9800 Series Wireless Controllers
For some time now, while observing various Wi-Fi environments with a total of about 1500 access points, I have noticed that some of them have “stopped functioning properly”. Clients connected to specific access points reported problems with service availability, sometimes… Read More »Cisco Bug CSCwh80060 – APs may stop handling client traffic
When it comes to networking and IP addresses, there’s a good chance you’ve come across the term ‘APIPA’ at some point, especially if you’ve ever faced connectivity issues. Standing for Automatic Private IP Addressing, APIPA is a feature of Windows-based… Read More »Cisco WLC 9800 Python Script: devices with the APIPA address