| Image | Pros | Cons | |-------|------|------| | | Higher scale (millions routes), SRv6, newer code | Requires more RAM/CPU, not free | | vIOS-XR (CML) | Fully supported in CML 2.0+, telemetry rich | CML license needed | | FRRouting (open source) | Free, supports MPLS, BGP, OSPF | Not IOS XR CLI, less carrier-grade features | | Nokia SR Linux (container) | Modern, gNMI, open config | Different CLI, no MPLS in free tier |
! Enter configuration mode configure
For certification candidates (especially CCIE Service Provider v4.0 and early v5.0), the 5.2.2 version was explicitly recommended for practice labs. iosxrv-k9-demo-5.2.2.ova
Runs 32-bit IOS XR on a QNX microkernel, appearing to the software as an x86-based machine. | Image | Pros | Cons | |-------|------|------|
It is vital to understand that the demo image has specific constraints. Do not expect production-scale performance. It is vital to understand that the demo