Tag Archives: Dynamips

Using GNS3 WorkBench labs on real equipment

Posted on 2014/10/03 by RedNectar Chris Welsh

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 →

Posted in CCNA, dynamips, GNS3, GNS3 WorkBench | Tagged , , , , | 3 Comments

GNS3 WorkBench v8.7 is ready for download

Posted on 2014/08/12 by RedNectar Chris Welsh

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

Posted on 2014/08/08 by RedNectar Chris Welsh

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

Building a new GNS3 WorkBench lab

Posted on 2014/07/30 by RedNectar Chris Welsh

Building a new GNS3 WorkBench lab [Note: The procedures described in this post are dependant on the reader having a copy of GNS3 WorkBench Virtual Machine v8.7 or later] GNS3 WorkBench comes with lots of labs, but building a new … Continue reading →

Posted in Cisco, dynamips, GNS3, GNS3 WorkBench | Tagged , , , , , , | 3 Comments

Q&A on GNS3 WorkBench v8.6

Posted on 2014/04/22 by RedNectar Chris Welsh

I got some great questions from Rob Methven so I thought I’d answer them here in the form of a “Q&A”. Q. I got the Etherswitches and VPCs pinging each other no problem. However, when I do a show mac-address … Continue reading →

Posted in dynamips, GNS3, GNS3 WorkBench | Tagged , , , , , | 11 Comments

GNS3 WorkBench Update

Posted on 2013/10/27 by RedNectar Chris Welsh

I know there are quite a few people out there waiting for a GNS3 WorkBench update.  I promised that it would come soon after GNS3 0.8.5, but there have been a couple of significant developments that have caused an equally … Continue reading →

Posted in GNS3, GNS3 WorkBench | Tagged , , , , , , , | 4 Comments

How to compile dynamips on Linux Mint 15.0 Cinnamon

Posted on 2013/08/02 by RedNectar Chris Welsh

The latest dynamips wasn’t available on the .deb distribution yet, so I tried to compile my own. It wasn’t exactly hard, but took a bit of assumed knowledge and Googling to get it figured out. Start by making sure you … Continue reading →

Posted in dynamips, GNS3 | Tagged , , , | Comments Off on How to compile dynamips on Linux Mint 15.0 Cinnamon

VIRL and GNS3. One day all routers will be virtual

Posted on 2013/07/16 by RedNectar Chris Welsh

Preamble If you don’t know what VIRL (Virtual Internet Routing Lab) is, read this. If you don’t know what GNS3 is, read this.  The question is, “What impact will the imminent release of VIRL have on GNS3?” Discussion This is … Continue reading →

Posted in Cisco, Cloud, Data Center, Data Centre, dynamips, GNS3, GNS3 WorkBench, Virtual Machine | Tagged , , , , , , , , , , , , , | Comments Off on VIRL and GNS3. One day all routers will be virtual

GNS3 0.8.4 released today here are the highlights

Posted on 2013/07/06 by RedNectar Chris Welsh

The much awaited release of GNS3 0.8.4 was released today.  Apart from the fact that I’ll actually have to do something about the next release of GNS3 WorkBench (which I’ve been stalling on by saying “I’ll release it AFTER 0.8.4”), 0.84 highlights some significant changes. Here … Continue reading →

Posted in dynamips, GNS3, GNS3 WorkBench, Idle-PC, idlepc | Tagged , , , | 1 Comment

How the GNS3 Hypervisor Manager Works

Posted on 2013/07/06 by RedNectar Chris Welsh

I did some work using external hypervisors recently, and came to realise that I did not understand what the GNS3 Hypervisor Manager’s role was.  So I explored a little, and this is what I found The Hypervisor Manager manages images … Continue reading →

Posted in dynamips, GNS3, GNS3 WorkBench | Tagged , , , | 3 Comments