Cisco IOS XRv 9000 Router Installation and Configuration Guide - Cisco IOS XRv 9000 Router Specific Features [Cisco IOS XRv 9000 Router] - Cisco
When IOS XR Licenses Don't Activate, What Then? - MovingPackets.net
Cisco IOS XRv Router Installation and Configuration Guide - Mapping the Cisco IOS XRv Router Network Interfaces to the VM Network Interfaces [Cisco IOS XRv Software] - Cisco Systems
How To Add Cisco IOS XRv and XRv 9000 Routers To EVE-NG - YouTube