Iosxrv-k9-demo-6.1.3.qcow2 Link
The IOS XR console is accessed via a serial port. You must manually edit the VM's .vmx configuration file to add a serial port for telnet access.
The image is designed for using KVM.
Set the RAM to 3072MB or higher, and ensure KVM is enabled for the node. Iosxrv-k9-demo-6.1.3.qcow2
The most straightforward way to use the qcow2 file is with the KVM hypervisor. A standard KVM command to launch the router would look similar to the following: The IOS XR console is accessed via a serial port
No lab image is perfect. Here are the constraints of iosxrv-k9-demo-6.1.3.qcow2 : Iosxrv-k9-demo-6.1.3.qcow2
In GNS3, go to > Import appliance and select the downloaded template.
F. Throughput check (data-plane)

