Deauth on Miracast Direct.
While conducting some deauth tests for educational purposes, something came to my mind. Can I perform the deauth on Miracast? I wanted to give it a try, and I was able to perform a deauth on Miracast Direct as this uses a direct connection between the Laptop/Mobile and the screen. What is a deauth Attack?An…
Corrupted ETM-MAC on Input
Last week, after I upgraded an ISR4K to version 17.12.64, we encountered an issue where, after entering the password while SSH to the router, i received the error below. There was not much information specific to Cisco about why this occurred. However, there was generic information on the internet regarding this error, which did not…
Perpetual PoE and Fast PoE
The number of endpoints using PoE has grown significantly. PoE is an IEEE standard that delivers power to devices via an RJ45 cable, eliminating the need for a separate power cable. This reduces the cabling needed for device connections. However, have you considered the issue of rebooting the switch causing all powered devices (PDs) to…
Logitech Presentation Remote on Webex Devices as a Peripheral .
Today, I conducted some testing on the Webex device by connecting a Logitech Presentation remote (R400). The testing was performed on the Desk Pro that I am using. Note: Not all USB joystick remotes work, as I tried some low-cost joysticks and they were never detected as peripherals. Cisco states that the device must be…
The Breakdown of the WIFI standards and the Frequency Band
Here’s a breakdown of which standards use Which frequency bands: Standards Operating on 2.4 GHz Only Standards Operating on 5 GHz Only Standards Operating on Both 2.4 GHz and 5 GHz(Dual-band) Standards Operating on 2.4 GHz, 5 GHz, and 6 GHz (Tri-Band)
SSH Cisco IP Phone’s
SSH (Secure Shell) access to Cisco IP Phones is designed primarily for advanced troubleshooting, diagnostics, and maintenance rather than routine administrative tasks. The main purpose of SSH on Cisco IP Phones is to support diagnostic and technical assistance efforts, providing administrators and engineers with direct access to the phone’s internal systems for resolving issues that…
Setting Up Cisco CUBE for Microsoft Teams Direct Routing( Prerequisites)
When setting up Cisco CUBE for Microsoft Teams Direct Routing, there are several key requirements and configurations to consider. Below is a comprehensive guide to help you through the process. 1. General Requirements 2. Firewall Requirements 2.1 SIP Signaling: IP Address Ranges The Cisco CUBE Router will initiate communication with the following FQDNs: These FQDNs…
Cisco Workspace Designer
Designing a conference room can be tricky. We need to spend time, much like an architect presenting a building design, to show the client how the room will look post-installation. Otherwise, the client may not be impressed. Demonstrating the setup, camera coverage, and microphone range can make the client more interested. However, manually doing this…
Upgrading CUC using Prime Collaboration Deployment (PCD)
Prime Collaboration Deployment (PCD) is Cisco’s free tool that can be used for the following tasks: In this blog, I will demonstrate how to use Prime Collaboration Deployment (PCD) for upgrading a Unity Connection. Let’s break down the process of upgrading into the following steps: Task 1: Copy the upgrade files to the PCD SFTP folder…
Cluster Upgrade, Native Upgrade Option for UC Cluster
Upgrading UC nodes one by one is a thing of the past. Prime Collaboration Deployment (PCD) is the best tool for upgrades, allowing you to upgrade the cluster and switch versions from the same place. I’m a big fan of PCD. However, I believe Cisco is moving towards integrating all PCD capabilities into CUCM as…
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