To get the most out of your iosxrv-k9-demo-6.1.3.qcow2, apply these optimizations:
These steps can reduce CPU usage reported by top by 20–30%.
If you cannot locate that specific file, consider these modern, supported alternatives: iosxrvk9demo613qcow2 top
| Solution | Type | Image Format | Free Tier | |----------|------|--------------|------------| | Cisco DevNet Always-On Sandbox | Cloud | N/A | Yes | | Cisco CML Personal | Local VM | QCOW2, VMDK | Paid (includes images) | | FRRouting (FRR) | Open source | QCOW2 (DIY) | Yes | | Nokia SR Linux | Container/Demo | QCOW2 | Yes (time-limited) |
The iosxrvk9demo613qcow2 is likely an obsolete internal build. Always prefer images from 2021+ (e.g., iosxrv-fullk9-x-7.3.1.qcow2). To get the most out of your iosxrv-k9-demo-6
If you have access to a Cisco IOS XR ISO, you can convert it to QCOW2 using qemu-img convert. Example:
qemu-img convert -f raw -O qcow2 iosxrv-k9-demo-6.1.3.iso iosxrv-k9-demo-6.1.3.qcow2
Then, create a VM with at least:
When you are finished monitoring:
Username: demo
Password: demo
Enable password: (none, just “enable”)
Because this is a k9 image, it has the complete feature set enabled regarding security and routing protocols. Key features included are: These steps can reduce CPU usage reported by