This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

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

For network engineers, developers, and students, this image is a cornerstone for building high-fidelity labs that mimic service provider environments. Here is a deep dive into what this image represents and how to utilize it. What is IOS XRv 9000?

You should change these credentials immediately after first boot. The existence of hard-coded users means anyone with access to the demo image’s documentation could potentially access your lab router if you expose management interfaces to untrusted networks.

Integrating this image into your local lab infrastructure depends heavily on your choice of network emulator or hypervisor. 1. Importing into GNS3

: Requires Kernel-based Virtual Machine (KVM) enabled Console Interface : Telnet Step-by-Step Deployment Instructions

The virtual router flickered to life. Elias watched the console scroll through the boot sequence of IOS XR Release 6.1.3 . He bypassed the login— admin with no password, the default for the demo—and began the frantic work of re-establishing the BGP peering sessions.

The Cisco IOS XRv 9000 is the virtualized counterpart of Cisco’s flagship service provider operating system, IOS XR. Unlike the older, more lightweight IOS XRv, the is based on the same 64-bit IOS XR software found on high-end hardware like the ASR 9000 and NCS series.

. This image is a primary tool for network engineers to simulate Cisco’s carrier-grade IOS XR operating system in virtual environments like without requiring physical hardware. Technical Profile File Format: (QEMU Copy-On-Write), optimized for KVM-based hypervisors. 6.1.3 (Classic IOS XRv). Image Size: Approximately Verification (MD5): 1693b5d22a398587dd0fed2877d8dfac Core Use Cases Cisco IOS XRv - GNS3

To add this image to EVE-NG, you must place it in a specifically named directory Create Directory : Use SSH to access EVE-NG and run: mkdir /opt/unetlab/addons/qemu/xrv9k-fullk9-6.1.3 Upload & Rename : Upload your file to this folder using a client like and rename it to virtioa.qcow2 Fix Permissions

: The specific maintenance release version of the software.

When launching the 6.1.3 demo instance for the first time, the console will halt and prompt you to establish a root administrator username and password. Two-Stage Configuration Commit

Here are the detailed features and specifications of this platform:

| Part | Meaning | |------|---------| | iosxrv | Cisco IOS XRv (virtual version of ASR 9000 series) | | k9 | Indicates cryptographic (encryption) support – typical for export-controlled versions | | demo | Likely indicates a demo, evaluation, or trial image | | 613 | Possibly a build number, date stamp, or arbitrary lab identifier | | qcow2 | QEMU Copy-On-Write version 2 – a disk format used by KVM, Proxmox, and other open-source hypervisors |

The filename “IOS XRv 9000” represents a significant upgrade over the standard IOS XRv. It provides higher performance, supports more interfaces, and better mimics the architecture of physical carrier-grade routers, making it the preferred choice for advanced Service Provider labs and large-scale network testing.

As the virtual interface turned green, the traffic graphs on the main monitor began to climb. The "demo" image, meant for labs and testing, was now holding the weight of a million users. It wasn't permanent, but for the next six hours, iosxrv-k9-demo-6.1.3.qcow2 was the hero the internet needed.