The file is far more than a random string – it is a gateway to mastering Cisco’s flagship service provider operating system without the need for expensive hardware. Whether you are studying for a certification, developing automation scripts, or teaching the next generation of network engineers, this versatile QEMU image delivers the IOS XR experience in a compact, manageable package. By following the deployment steps, exploring the advanced use cases, and respecting the security and licensing guidelines, you can transform a single qcow2 file into a powerful virtual lab that scales from two routers to a twenty‑node MPLS core.
The Cisco IOS XRv 9000 is the virtualized counterpart of Cisco’s flagship service provider operating system, IOS XR. Unlike the older, more lightweight IOS XRv, the is based on the same 64-bit IOS XR software found on high-end hardware like the ASR 9000 and NCS series.
The keyword refers to a specific virtual machine disk image: the Cisco IOS XRv 6.1.3 Demo K9 iosxrvk9demo613qcow2
Execute EVE-NG’s global wrapper script to restore ownership and execution contexts: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions Use code with caution. 2. Deployment in GNS3 (Graphical Network Simulator-3)
Stands for QEMU Copy-On-Write 2 . This is the native disk image format for the QEMU/KVM hypervisor stack. It supports thin provisioning (the file occupies only the space actually used by the guest OS) and VM snapshots. Share public link The file is far more than a random
virt-install --name iosxr-demo \ --memory 4096 \ --vcpus 2 \ --disk path=/var/lib/libvirt/images/iosxrvk9demo613qcow2,format=qcow2 \ --import \ --os-variant generic \ --network network=default,model=virtio \ --graphics vnc \ --console pty,target_type=serial
Operational teams leverage this lightweight image in their CI/CD pipelines. For instance, before a script pushes a new BGP routing policy to production ASR 9000 routers, an automated workflow can spin up a temporary instance of the 6.1.3 image on a Linux runner using or Terraform . The automation framework boots the image, validates the syntax of the configuration changes, confirms that the YANG models validate without syntax errors, and tears the instance back down automatically. This ensures flawless software-defined management without risk to real-world carrier traffic. 6. Important Caveats and Troubleshooting The Cisco IOS XRv 9000 is the virtualized
When prompted, select version 6.1.3 and import the local iosxrv-k9-demo-6.1.3.qcow2 file. GNS3 will automatically calculate the MD5 checksum to verify the file's integrity. 3. EVE-NG (Emulated Virtual Environment Next Generation)