GNS3 High CPU Usage And Hubs

A couple of weeks ago I have been experiencing high CPU usage in my GNS3 home lab. After some trial and error, I localized the issue and discovered that the cloud device connection is the cause. My old topology I ... Read More »

Cisco Class Of Restriction COR

This article demonstrates how to use the COR feature to establish classes of service. We have two phones at HQ site: x1000 and x1003. x1000 is a manager. x1003 is a security guard. Obviously, we will assign the national PSTN access ... Read More »

CUCM Translation Patterns

A translation pattern can be set in routing mode or in blocking mode. Let’s try both combinations. Once expanding the pattern 9999 to a PSTN number, and once blocking it. configuring a routing translation pattern We configure a translation pattern with ... Read More »

Implementing Site-Code Dialing

In this article I’m describing the implementation of site codes and inter-site dialing, in my home lab. Site codes HQ: 801 site 2: 803 Inter-site code: I’ll use the 0 to dial inter-sites. The purpose is to use inter-side code dialing to ... Read More »

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