Category Archives: GNS3

Smoothwall GNS3 step by step Lab setup

VirtualBox and GNS3 (Smoothwall Virtual Test Labs) GNS3 Test Labs (Smoothwall Labs):   Lab Scenarios: (Please add more Lab scenarios that you think could be useful)   1. Cisco IOS Router (7200 series) with NATTing connected to the internet (ACLs configured for specific subnets being used behind the Smoothwall). 2. Smoothwall UTM Master and FailoverContinue reading “Smoothwall GNS3 step by step Lab setup”

GNS3 Version 1.3: What’s new for Open-Source Routers

In 2014, the GNS3 development team launched a successful Kickstarter crowdfunding campaign to support development of a major new release, version 1.0, which was released in October that same year. I was happy to support the Kickstarter campaign and now I am finally getting around to taking a look at the new version of GNS3.Continue reading “GNS3 Version 1.3: What’s new for Open-Source Routers”

Download GNS3 Cisco IOS images

Download Cisco IOS image for GNS3 Hi dear all, that’s really a great to share my hard work  with you , After a lots of  hit in Google  I finally found trick to search Cisco IOS in free of course. So without talking much here are the link where you can free download Cisco ios image and youContinue reading “Download GNS3 Cisco IOS images”

GNS3 emulated hardware and FAQs

GNS3 | FAQ Q. Will you support Cisco switching? A. Switching is going be supported in GNS3 using L2IOU images, which are special IOS images made to work on PC/Linux. These are more like generic Cisco switches with most of the same features as in real switches. So in the end you can have 90%Continue reading “GNS3 emulated hardware and FAQs”

Getting started with GNS3 (Installation and configuration)

Up & Running With GNS3 1.X How to Setup GNS3 Adding your own PC to GNS3 with MS Loopback MicroNugget: GNS3 and Windows 8 MicroNugget: How to Tune GNS3 to Avoid a 100% CPU Utilization? MicroNugget: Connecting Virtual Box Hosts to GNS3 Networks MicroNugget: Virtual PC Simulators & GNS3 MicroNugget: Using Wireshark with GNS3 MicroNugget:Continue reading “Getting started with GNS3 (Installation and configuration)”

How to add ASA Firewall to GNS3

1. Download GNS3, I accept all the defaults (I actually tick to install SuperPuTTy, as tabbed console windows can be handy when using GNS3). Launch the program, you will be greeted with the following setup wizard. Select Option 1. Note: You can do the same in future, by going to Edit > Preferences 2. Check thatContinue reading “How to add ASA Firewall to GNS3”

VirtualBox and GNS3

VirtualBox VitualBox is a cross-platform virtualization application very similar to VMware that runs on Windows, Mac, Linux or Solaris operating systems. VirtualBox provides a generic virtualization environment for x86 systems meaning it may run operating systems of any kind. Also, VirtualBox is usually faster and easier to use than Qemu, especially on Windows and Mac OS X.Continue reading “VirtualBox and GNS3”

Connecting GNS3 to Real Networks

One of the interesting things about GNS3 is that you can connect your topology to the real world. For some of your CCNA and CCNP studies you may need to run an actual Web browser or Cisco’s Security Device Manager (SDM) among others. Just connect your topology to your real PC. You could even connectContinue reading “Connecting GNS3 to Real Networks”

GNS3(Graphical Network Simulator)

GNS3 (Cisco Hardware Emulator): http://www.gns3.net How To Install GNS3 1.0 on Windows 8.1 GNS3 1.0 was released to the world on October 21st, 2014. I have been using previous versions of GNS3 for some time now to simulate networks and to practice for my Cisco certifications. For those of you who aren’t familiar with GNS3, itContinue reading “GNS3(Graphical Network Simulator)”