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Installing CallManager Express in GNS3


This article describes how to transform a Cisco router in GNS3 into a Cisco CallManager Express or CUCME. Remember that a Cisco router can become a CallManager Express if we install the CUCME package into it. I’ll assume you have a CUCME ... Read More »

GNS3 Project Files


In the past, I had encountered some hard drive issues that led me to transfer my GNS3 project files to a thumbdrive. At first, I did not know what to copy and what to leave. Then I took a look ... Read More »

Adding IOS Images in GNS3


This post describes the step-by-step process to configure GN3 IOS images on a Windows machine. It is assumed that you have the latest GNS3 software and a couple of IOS images for Cisco routers. A list of IOS images and ... Read More »

Connecting CUCM to GNS3


In this post, I’m going to explain how to connect a CUCM server to GNS3. My CUCM server is running on Vmware. Here is the topology we’re going to have: What we will use: a VM on which CUCM is running ... Read More »

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