To run this image smoothly, your virtualization platform must meet certain specifications:
Later versions (7.x) require massive RAM (16-32GB per node) and multiple vCPUs. Version 6.1.3 can operate with 4GB-6GB of RAM and 2 vCPUs, making it ideal for modest EVE-NG or GNS3 setups. Iosxrv-k9-demo-6.1.3.qcow2
The image is a "golden oldie" for network labs. While it is outdated compared to the current IOS XR 7.x releases, it remains highly valuable because it is resource-efficient . If you want to build a large Service Provider lab with 10+ routers on a single laptop, this is often a better choice than the resource-heavy XRv 9000. To run this image smoothly, your virtualization platform
qemu-system-x86_64 \ -machine pc \ -cpu host \ -smp 2 \ -m 4096 \ -drive file=iosxrv-k9-demo-6.1.3.qcow2,if=virtio \ -netdev user,id=net0 -device virtio-net-pci,netdev=net0 \ -serial mon:stdio \ -nographic While it is outdated compared to the current IOS XR 7
: "Kernel panic - not syncing: VFS: Unable to mount root fs"
The first interface ( MgmtEth0/0/CPU0/0 ) is reserved for out-of-band management. Common Use Cases