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

Remember: treat the image with the same operational respect as a physical 7750 SR. Back up the configuration, license it correctly, and monitor its resource usage. Whether you are preparing for a Nokia certification or automating a global network, mastering this virtual router image is a foundational skill for the modern network engineer.

virsh define vsr13.xml virsh start vSR-13r4 virsh console vSR-13r4 Upon first boot, TiMOS loads the BOF (Boot Options File). You’ll be greeted with a TiMOS> prompt in safe mode. 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. Remember: treat the image with the same operational

<domain type='kvm'> <name>vSR-13r4</name> <memory unit='GiB'>16</memory> <vcpu placement='static'>4</vcpu> <devices> <disk type='file' device='disk'> <driver name='qemu' type='qcow2'/> <source file='/images/Timos-sr-13.0.r4-vm.qcow2'/> <target dev='vda' bus='virtio'/> </disk> <interface type='bridge'> <source bridge='br0'/> <model type='virtio'/> </interface> <console type='pty'/> </devices> </domain> Then define and start: virsh define vsr13

: Download the image from the Nokia Support Portal (requires valid service contract), spin it up on your favorite Linux server, and run show system information to see the 13.0.r4 engine come to life.

| Component | Minimum Requirement | Recommended (Lab) | Recommended (Production) | | :--- | :--- | :--- | :--- | | | 2 | 4 | 8+ | | RAM | 8 GB | 16 GB | 32-64 GB | | Disk (qcow2) | 20 GB (thin provisioned) | 40 GB | 100 GB+ (thick) | | NICs | 4 virtual interfaces | 8 virtual interfaces | 16+ (SR-IOV) | | Hypervisor | KVM/QEMU 4.0+ | KVM + libvirt | VMware ESXi (converted) |

In the evolving landscape of network function virtualization (NFV), the ability to run carrier-grade routing software on standard hypervisors is a game-changer. One filename stands out among professionals dealing with Nokia’s Service Router Operating System (TiMOS): Timos-sr-13.0.r4-vm.qcow2 .