![]() Software from multiple vendors is freely available.Supports multiple switching options (NM-ESW16 Etherswitch module, IOU/IOL Layer 2 images, VIRL IOSvL2).No limitation on the number of devices supported.GNS3 supports both emulated and simulated devices.GNS3 is cross-platform (Windows, MAC, Linux).GNS3 architecture has two components i.e a GUI and a VM.It’s very ideal to now briefly look at the features GNS3 has to offer to the network engineers, students, and architects. In this write-up, we will learn how to install and use GNS3 on openSUSE15. Getting to learn GNS3 is ideal for students preparing for their Cisco CCNA certifications. See more information on the official documentation. This, therefore, makes it easy to test interoperability between many vendors and even try out esoteric setups using network technologies with SDN, NFV, Linux, and Docker. It is also preferred because it supports many other devices from multiple network vendors e.g Cisco virtual switches, Cisco ASAs, Brocade vRouters, Cumulus Linux switches, Docker instances, HPE VSRs, multiple Linux appliances, and many others. They are also able to test and verify real-world deployments before undertaking any networking project. The greatest benefit to network engineers is that they can virtualize real hardware devices prior to deployments. ![]() ![]() Being a community project, it has millions of users guaranteeing available support in case of any queries. With GNS3, you are able to set up a small topology consisting of a few devices in your openSUSE 15 machine to a topology consisting of multiple devices, configure them, test them and troubleshoot them to have a true picture of how the deployment will look like. This tool was developed by Jeremy Grossman over 10 years ago to help him study for his CCNP certifications. This tool is used by network engineers, students, and architects to emulate, configure, test, and troubleshoot virtual and real networks. GNS3 is open source, free software for emulation purposes just like the Cisco Packet Tracer. ![]()
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