: Run the native unl_wrapper -a fixpermissions command to ensure the virtual machine has the necessary access to the disk image.
: You must create a specifically named folder (e.g., xrv9k-fullk9-6.1.3 ) in the /opt/unetlab/addons/qemu/ path. iosxrvk9demo613qcow2 exclusive
The keyword refers to a specific virtual disk image file used for the Cisco IOS XRv 9000 router. This virtual appliance is designed to run the 64-bit IOS XR operating system—the same software found on high-end service provider platforms like the Cisco NCS 6000 series . Understanding the Component Breakdown : Run the native unl_wrapper -a fixpermissions command
: The file format (QEMU Copy-On-Write) required for booting the image in KVM environments , GNS3 , or EVE-NG . Key Features and Requirements This virtual appliance is designed to run the
: Specifies that this is a demo mode image. In platforms like Cisco Modeling Labs (CML) , these images run without additional licensing but are typically throughput-limited (around 168 Kbps) to prevent production use. 613 : Refers to the software version (IOS XR Release 6.1.3).
: It is primarily used for control plane testing , configuration staging, and education. It supports advanced features like BGP Optimal Route Reflector and L3/L2 MPLS VPNs. Installation Highlights
While this 6.1.3 version is older, it remains a staple for network engineers needing a stable, "exclusive" demo environment to test legacy IOS XR configurations without the overhead of the most recent, even more resource-heavy releases. IOS XRv 9000 - Cisco Modeling Labs v2.9