The "Iosxrv-k9-demo-6.1.3.qcow2" image appears to be a demo or test version of an iOS or macOS variant. This paper aims to provide an overview of the image's contents and potential significance.
Ensure the EVE-NG environment has the correct read, write, and execution permissions for the newly added virtual disk structure: /opt/unetlab/wrappers/unl_wrapper -a fixpermissions Use code with caution. Step 4: Launching and Initial Boot Open your EVE-NG or GNS3 web interface.
The console will ask you to set an admin password upon initial setup. Limitations to Consider
For a student or a lab builder, 6.1.3 hit a "sweet spot." It was modern enough to support YANG models and automation tools like NETCONF, yet it was lightweight enough to run on modest hardware without melting your CPU. It became the standard image for GNS3 and EVE-NG topologies for years.
: Runs the 32-bit Cisco IOS XR software on a QNX microkernel.
: Ensure the node has a minimum of 3 GB (3072 MB) or 4 GB (4096 MB) of RAM assigned in EVE-NG/GNS3 settings. Issue 2: Interfaces are visible but cannot pass traffic
After the kernel loads, you’ll see the standard IOS XR boot sequence. Once at the ios prompt, enter EXEC mode:
: Change the network adapter type in your hypervisor settings from e1000 to virtio-net-pci (or vice versa). Issue 3: CPU utilization spikes to 100% on the host machine
An introduction to deploying and testing Cisco's premier service provider operating system in virtual environments using the demonstration image.
EVE-NG (Emulated Virtual Environment Next Generation) is one of the most popular platforms for hosting Cisco IOS XRv nodes. Follow these steps to import the QCOW2 file. Step 1: Create the Correct Directory Structure
While 6.1.3 is a stable version, users should be aware that it is an older release and may not support the newest functionalities available in IOS-XR 7.x, such as advanced Segment Routing features, which are available in newer "reference platform" images.
One of the main reasons engineers still use version 6.1.3 is its efficiency. It requires significantly less power than the 64-bit , making it ideal for large topologies on standard laptops. Requirement Recommended Value 3072 MB (3 GB) vCPU Disk Space ~430 MB (compressed file size) Hypervisor KVM (Required for GNS3/EVE-NG) How to Use the Image in Your Lab 1. GNS3 Integration