Timos-sr-13.0.r4-vm.qcow2 -

$ unzip TiMOS-SR-13.0.R4-vm.zip. Now a virtual disk sros-vm.qcow2 is extracted. To start Qemu virtual machine use the command: $ / brezular.com

Finish the wizard, add the node to your canvas, and start the machine. Access the console to begin configuration. Licensing and Troubleshooting

This configures an IOM3-XP-B card and an MDA that provides five Ethernet interfaces.

Nokia’s unique service-centric model separates transport from services. This image allows full simulation of:

Useful commands

: While basic routing functionalities often work for a limited time or with limited throughput without a license, advanced features or extended uptime may require a valid Nokia VSR license key string pointed to in the BOF. Features Supported in v13.0.R4

If you are setting this up for a lab, I can provide a for GNS3 or EVE-NG. Would you like the specific CLI commands to initialize the system or a topology suggestion for practice? Alcatel-Lucent vSR-OS in GNS3 - Nbctcp's Weblog

Deployment steps (quick)

: The standard storage format used by the QEMU/KVM hypervisor. It supports dynamic growth, snapshots, and space-saving copy-on-write capabilities. Technical Specifications & Resource Requirements Timos-sr-13.0.r4-vm.qcow2

qcow2 and virtualization: enabling safe testing and deployment The qcow2 extension identifies the file as a QEMU virtual disk using the widely adopted Copy-On-Write format. QEMU/KVM virtualization allows network engineers to run router images in virtual environments, enabling lab testing, training, CI pipelines, and pre-deployment validation without dedicating physical hardware. qcow2 supports snapshots and sparse storage, making it efficient for iterative development: create a base image once, then spin multiple snapshots for parallel experiments. A Timos image in qcow2 form allows teams to validate routing policies, test upgrades (for instance, from 13.0.r3 to 13.0.r4), reproduce bugs reported in the field, and run automated regression tests as part of network change management.

In the physical world, a Service Provider (SP) router is a formidable piece of engineering. It is a rack-mounted chassis filled with custom Application-Specific Integrated Circuits (ASICs), line cards, and redundant power supplies, often weighing hundreds of kilograms. However, in the age of DevOps, network automation, and virtualized infrastructure, that same powerful networking entity can be reduced to a single file. Timos-sr-13.0.r4-vm.qcow2 is not just a random string of characters; it is a digital blueprint, a virtual machine disk image that represents the convergence of carrier-grade networking and cloud-native agility.

: This stands for "virtual machine," indicating that the content is intended for use in a virtual machine environment.

Without a valid license, the SROS VM will typically boot but may restrict the number of active interfaces or reboot after a specific grace period (often 1-2 hours in "demo" mode). Why Version 13.0.r4? $ unzip TiMOS-SR-13

Refers to the Nokia Service Router Operating System (SR OS). It is the proprietary software that powers Nokia’s high-performance hardware platforms, such as the 7750 SR, 7450 ESS, and 7950 XRS.

The .qcow2 file format is a virtual disk image format used by QEMU. It allows for the creation of virtual hard drives, which can be used by virtual machines. The .qcow2 format offers several advantages, including:

To help narrow down the next steps for your project, please let me know:

This specific image is widely used in network emulation software to practice Nokia CLI and configuration: Access the console to begin configuration

: Without a valid license, the VM will automatically reboot every 60 minutes . You can check the remaining time by running the command show system license within the CLI.

Which are you using? (EVE-NG, GNS3, or bare KVM?)