Author Archives: RedNectar Chris Welsh

About RedNectar Chris Welsh

Professional IT Instructor. All things TCP/IP, Cisco or VoIP

Using GNS3 WorkBench labs on real equipment

This request came up the other day: I just need some guided labs that I can do at home with my equipment. So I thought about how you could use GNS3 WorkBench exercises to do just that. Here is what … Continue reading

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Posted in CCNA, dynamips, GNS3, GNS3 WorkBench | Tagged , , , , | Leave a comment

Quick check to see if VPCS is working

If you are having trouble getting the Virtual PC Simulator (VPCS) to talk to your GNS3 (dyanamips) routers, then you might want to try this quick check to verify that VPCS itself is functioning correctly and that there are no … Continue reading

Posted in dynamips, GNS3, GNS3 WorkBench | Tagged , , , | Leave a comment

HOW TO install GNS3 v1.0 beta on Ubuntu/Linux Mint/Debian

I wrote a script to keep my Linux Mint 17.0 GNS3 v1.0 beta install updated. [Edit: The script has been updated to download the latest release version, rather than the beta version] This script has been tested on 32 bit … Continue reading

Posted in GNS3 | Tagged , , | 8 Comments

WordPress Changed their editor – and it sucks

Welcome to the keyhole. Trying to edit/create a blog post using WordPress just got harder (as if it wasn’t hard enough already!) When I go to create a page, the first thing you notice is that you have to edit … Continue reading

Posted in rant, wordpress | Tagged ,

VPCS Tutorial-updated

Many people are not aware of how to make the best use of the features the the Virtual PC Simulators (VPCS) application, so I thought I’d run a tutorial. This is re-work of the original tutorial I wrote, updated for … Continue reading

Posted in Cisco, GNS3, GNS3 WorkBench, vpcs | Tagged , , , , | 10 Comments

GNS3 WorkBench v8.7 is ready for download

It has taken a while, but I’ve finally got all the files for GNS3 WorkBench v8.7 uploaded to sourceforge. And the Windows version (and OS X version) is better than ever. You can now enjoy all the exercises and labs … Continue reading

Posted in Cisco, dynamips, GNS3, GNS3 WorkBench, Labs, Router Configuration | Tagged , , , , , , , , | 11 Comments

ICND1 Readiness Test

Recently I had a student (let’s call him David) ask me “Do you think I am ready to sit the ICND1 exam?” Although David had studied the ICND1 text book, his skills were lacking when it came to configuring routers.  … Continue reading

Posted in Cisco, dynamips, GNS3, GNS3 WorkBench | Tagged , , , , , , , , , , , , | 14 Comments