| Feature | Demo Version | Production Version | | :--- | :--- | :--- | | | Free | Paid license required | | Throughput | 2 Mbps (rate-limited) | 10 Mbps – 100+ Gbps (license-dependent) | | Encryption (k9) | Enabled | Enabled | | AAA Local Users | Hard-coded (see below) | Configurable | | Supported Platforms | Lab / learning only | Enterprise / production |
Complete Guide to Cisco IOS XRv: Working with iosxrv-k9-demo-6.1.3.qcow2
For professional learning or lab work, always obtain network OS images directly from the vendor (Cisco) or through authorized partners. Your security, compliance, and routing knowledge all depend on it. iosxrvk9demo613qcow2
: Perhaps the most popular tool for this specific file. You would place this image in a folder named iosxrvk9-6.1.3 inside the /opt/unetlab/addons/qemu/ directory.
: The .qcow2 format is widely used in network emulation environments like GNS3 and EVE-NG . Virtual Machine Requirements : RAM : Minimum 3 GB (3072 MB) is generally required. Disk Space : The image file size is approximately 429 MB. Known Limitations | Feature | Demo Version | Production Version
Running this image isn't as lightweight as a standard IOS router. Because it simulates a Service Provider-grade platform, it has significant resource needs: Minimum of 3072 MB (3GB) per instance.
: By default, unlicensed demo images are heavily rate-limited to 200 Kbps , making them unsuitable for significant traffic throughput testing. Feature Constraints : It does not support hardware-specific configurations. You would place this image in a folder named iosxrvk9-6
After thorough research: It does not appear in Cisco’s official documentation, common virtualization forums, or known lab image repositories. It may be a typo, a custom lab filename, or part of a test environment.
IOS XR 6.1.3 utilizes a 64-bit Linux-based architecture, which is a major shift from the older 32-bit IOS XR implementations.
The 6.1.3 release of IOS XRv is a widely used stable demo image for lab environments. Based on GNS3 community documentation , the file has the following characteristics: Specification iosxrv-k9-demo-6.1.3.qcow2 File Size MD5 Hash 1693b5d22a398587dd0fed2877d8dfac Recommended RAM 3072 MB (3 GB) Hypervisor Using the Image in Lab Environments
| IOS XR Release | Minimum Storage | Notes | | :--- | :--- | :--- | | 6.0 to 25.1.x | 45 GB | Original requirement for 6.1.3 falls in this range | | 25.2.1 and later | 64 GB | Newer releases require more space for additional features |