Have you thought about seeing or visualizing OSPF, EIGRP, BGP, VRF and more on your network with a simple, color-coded view on your computer screen? Recently I shared with you a network visualization tool called nuVML that can be used [...]
In the recent years, virtualization technology has advanced to the point that nearly everything can be virtualized. Started from server and storage virtualizations, to Software Defined Networking (SDN), the entire datacenter technology is trending to the direction of moving away [...]
The 2nd Edition of Cisco VIRL Book is available now! It is a refreshed and updated version of the original VIRL BOOK published in 2016. Since then, a lot of changes and enhancements have been made with Cisco VIRL. The [...]
A collection of Cisco VIRL Installation Troubleshooting Common Issues. More will be added over time. Cisco VIRL Installation Troubleshooting Common Issues KVM-ok Check Failed When deploying VIRL as a virtual machine, in our case we imported an “OVA” image to [...]
You can run the Cisco VIRL lab on a workstation or laptop. There are two options - installing VIRL as a native OS, or installing VIRL as a virtual machine running on top of your existing OS. In this tutorial [...]
The Pro version of VMware Fusion has more features and greater flexibilities compared to the standard version. When working with VIRL, the Pro version provides a GUI interface for creating virtual networks required by VIRL, whereas Fusion does not. There [...]
As virtualization technologies become mature, with the support of super-fast, extremely robust server hardware, everything seems can be virtualized. In a modern datacenter, you’ll see the entire IT infrastructure being virtualized, including servers, workstations, network devices, storage, PBX and so [...]
In some cases you may prefer installing Cisco VIRL on its dedicated hardware without running on a virtual machine. Most personal users do not have the luxury of access to business grade VMWare infrastructure. Some are studying for CCNA, CCNP [...]
One of the advantages of working with Cisco VIRL network simulation is that all the information regarding a simulation including network topology, router configurations and node interconnectivities are stored in a single XML file. The file has an extension of [...]
One of the most important aspects of labbing with Cisco VIRL is making sure that your hard work is saved. People studying CCNA, CCNP and CCIE can use VIRL to build fairly complex labs consisting of dozens routers. In this [...]