Iosxrv-k9-demo-6.1.3.qcow2 !exclusive! Now

He initiated the boot sequence. In the terminal, lines of white text began to scroll—a digital heartbeat. System Bootstrap, Version 6.1.3 Copyright (c) 1994-2017 by cisco Systems, Inc.

If the image boots but is incredibly slow, verify that nested virtualization is enabled on your host machine. Conclusion

You can set the admin username and password during the first boot. Configuration Logic: IOS XR uses a two-staged configuration Iosxrv-k9-demo-6.1.3.qcow2

While newer versions of IOS XRv (like 7.x and XRv 9000) exist, iosxrv-k9-demo-6.1.3.qcow2 holds significant value for several reasons:

This is the specific IOS XR software version (6.1.3). He initiated the boot sequence

If you have this file sitting in a folder on your hard drive, don't delete it. It’s not just a disk image; it’s a monument to the era where networking became software.

This indicates the image is a demo/limited version. It has throughput limitations compared to production or simulation images but is fully functional for control plane testing. If the image boots but is incredibly slow,

Set the binary to the appropriate QEMU architecture (usually qemu-system-x86_64 ). Set the RAM allocation to 4096 MB .

sudo virt-install \ --name ios-xrv \ --memory 4096 \ --vcpus 1 \ --disk path=iosxrv-k9-demo-6.1.3.qcow2,format=qcow2 \ --import \ --os-variant generic \ --network network=default \ --graphics vnc \ --serial telnet,host=127.0.0.1:5000