Version 13.0 is significantly outdated. Modern Nokia SR-OS versions are now in the 20.x, 21.x, and 23.x range. You will miss out on newer features like segment routing (SR-MPLS/SRv6) or modern model-driven management (gNMI/NETCONF).
More critically, it enables . In a data center, instead of installing a physical router to connect two subnets, an operator can spin up this image as a virtual router. It performs the same routing, filtering, and forwarding logic as its physical counterpart, albeit at a different throughput. This allows for "on-demand" networking, where routers are created, scaled, and destroyed via API calls rather than shipping hardware. Timos-sr-13.0.r4-vm.qcow2
# Create a VM definition virt-install \ --name vSR-13.0.r4 \ --ram 16384 \ --vcpus 4 \ --disk path=/var/lib/libvirt/images/Timos-sr-13.0.r4-vm.qcow2,format=qcow2,bus=virtio \ --os-variant generic \ --network bridge=br0,model=virtio \ --network bridge=br1,model=virtio \ --import \ --noautoconsole Version 13
While newer versions of SR OS (like 19.x, 21.x, or 23.x) are available, version 13 remains a staple in many study curriculums for a few reasons: More critically, it enables
: Virtualized Simulator (vSim), which provides the functional equivalent of the control and management planes of a physical 7750 SR router. : 13.0.R4 (Release 13, Maintenance Release 4).