Tag Archives: Cisco

VPCS and VPCS multi-host

the most significant difference between Single instance VPCS and VPCS multi-host is possibly one you may never use, but incredibly powerful just the same. Continue reading

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

Cisco have a new ACI lab on dcould – here’s how to access it

If you sell/buy/use Cisco products, and you want to practice configuring them, then Cisco’s dcloud is a great resource.  And they have just added another ACI lab: Cisco Application Centric Infrastructure with shared Physical Fabric. If you already know about dcloud, … Continue reading

Posted in Cisco, Cloud, Cloud computing, Data Center, Data Centre | Tagged , , , , , , | 4 Comments

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, tutorial, 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

Building a new GNS3 WorkBench lab

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

Why configuring NTP demands patience

I noticed that my router’s clock was about half an hour off, so I decided to configure NTP. However, it proved much more frustrating that I though, due mainly to my impatience. In this article I hope to explain to … Continue reading

Posted in CCIE, Cisco, NTP | Tagged , , ,