Timos-sr-13.0.r4-vm.qcow2 Jun 2026

If you are importing this image into GNS3 or EVE-NG:

Nokia (formerly Alcatel-Lucent) Service Router Operating System (SR OS) , specifically version In the Nokia ecosystem, Timos-sr-13.0.r4-vm.qcow2

This seemingly cryptic string represents a specific, production-ready virtual machine disk image. Whether you are building a virtual lab for certification (SCNP, SRA), testing Segment Routing (SR) in a DevOps pipeline, or deploying a Cloud Native Network Function (CNF), understanding this file’s anatomy, versions, and use cases is critical. If you are importing this image into GNS3

Once the VM boots from the Timos image, you aren't dropped directly into a running router. You have to tell Timos where the SR OS software is located and how to boot it. You have to tell Timos where the SR

within the Nokia ecosystem without needing a massive server. Need more help with your Nokia lab? Are you having trouble getting the Do you need help mapping the interfaces in EVE-NG or GNS3? AI responses may include mistakes. Learn more

The underlying virtualization technology that handles the .qcow2 format. 🔍 Technical Breakdown Filename Anatomy: TiMOS : The OS name.