Iosxrv-k9-demo-6.1.3.qcow2 -

If you have stumbled upon a file named iosxrv-k9-demo-6.1.3.qcow2 , you are likely trying to run a virtual Cisco router in a lab environment. This guide will help you understand exactly what you are working with.

| Image | RAM Use | Disk Size | Best For | |-------|---------|-----------|----------| | | 4-6 GB | 2.5 GB | IOS XR learning, SP labs | | iosxrv-fullk9-x64-6.1.3.qcow2 | 8-12 GB | 6 GB | Production-like test (permanent license) | | viosxrv-16.12.01.qcow2 | 2-4 GB | 1.8 GB | Lightweight XR testing (no demo timer) | | cXRv-7.3.2.qcow2 | 16-24 GB | 8 GB | Modern SRv6, EVPN labs | Iosxrv-k9-demo-6.1.3.qcow2

qemu-system-x86_64 -m 3072 -hda iosxrv-k9-demo-6.1.3.qcow2 -serial telnet:127.0.0.1:5000,server,nowait Use code with caution. Why Use Version 6.1.3? If you have stumbled upon a file named iosxrv-k9-demo-6

This image is a staple for popular network emulation tools like and EVE-NG . Using with GNS3 Why Use Version 6

The "demo" in the filename indicates this is a trial version of the software. While it provides nearly full feature parity for control plane testing (like BGP, OSPF, and MPLS), it has a (usually capped at 2 Mbps) and may occasionally require a reload depending on the license state. It is designed strictly for learning and labbing, not production. Resource Requirements