![]() ![]() It’s also a cross-platform application, so you can download and install it on Windows, Linux, and macOS.GNS3 is an open-source application, so it is available to everyone.Some of the benefits of os using GNS3 are given below: ![]() Since, it allows me to run firewalls such as Palo Alto, and FortiGate I used the same tool to solve my technical issues. The beauty of this application is that you can integrate any new application and learn it very efficiently. I am a network security engineer, and today I also using the GNS3 network simulator. So, in case, if you need to connect your Routers or Switches with any operating systems, you can connect. In GNS3, you have a facility called, u-bridge, which can be used to connect any GNS3 appliance with other virtualization applications such as VMWare Workstation and Virtual Box. GNS3 supports virtual routers and switches in the IOU (IOS on Unix) and IOS (Internetworking Operating System) formats. However, to use different virtual products (i.e., Cisco/Juniper Routers, Switches, Firewalls) on GNS3, you just need to get a binary image of the devices. By default, you will get some pre-defined device templates. The GUI of the GNS3 network simulator is straightforward to use. Palo Alto, Cisco ASA, and FortiGate within the GNS3. So, you can able to run virtual firewalls directly on it. You will get an amazing experience of virtualization.Īnother best thing is that newer versions of GNS3 support QCOW files, which means you can run KVM virtual machines directly on it. CCNA, CCNP, or CCIE, you defiantly try it out. In case, if you are a networking student and preparing for any of the Cisco Certifications, i.e. GNS3 is also a cross-platform network simulator, so you can easily download and install it on Windows, Linux, and macOS-based systems. So, you can easily practice with different products to build your carrier in networking. Since these are IOS images, they will act like real routers, as you’ll see.Īfter R1 loads up, we’ll already be at the enable prompt, due to the configuration files GNS3 includes (they also configure “logging sync” and “exec-time 0 0” on line con 0 for us, and let us bypass that initial configuration dialog).Since it’s an open-source tool, so you can easily run different appliances belonging to different vendors. This powers on all devices in the Workspace, as well as launches Solar-Putty and creates tabs for each device: Click the Interface Names icon (this is optional), to display the interfaces on each device, that have been connected together.īelow, the green Start button (marked #1) and the Console button (marked #2) have been selected.Left click FastEthernet0/0 of R1, and connect it to FastEthernet0/0 of R2. ![]() In this example we’ll use FastEthernet0/0 of each router to connect them together:
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