Iosxrv-k9-demo-6.1.3.qcow2

The "demo" image includes a 60-day countdown timer. After that, the router may reboot every 4 hours or lose advanced routing features. Workaround: Re-extract the qcow2 from original archive or use the system uptime reload hack (unsupported).

If you need a virtual router that actually forwards packets: Iosxrv-k9-demo-6.1.3.qcow2

| Image | Forwarding | License | |-------|------------|---------| | vMX (Juniper) | Yes | Trial available | | XRv 9000v (full) | Yes | Requires Cisco service contract | | vSRX (Juniper) | Yes | Trial available | | FRRouting | Yes | Free/Open source | | Cisco CSR1000v | Yes | Trial license (60 days) | The "demo" image includes a 60-day countdown timer

For pure IOS XR learning without forwarding, the demo image is fine. Cisco IOS XR is significantly different from standard

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

Cisco IOS XR is significantly different from standard IOS or IOS XE. It is a micro-kernel architecture designed for high-end Carrier Grade Routers (like the CRS-1, ASR 9000, and NCS 5500).

IOS XRv 6.1.3 sits at a sweet spot in history: