After enabling RIPng in the system view, you need to run RIPng on the interface; otherwise, RIPng does not take effect.
interface interface-type interface-number
The interface is at the network side of the router. That is, the router is connected with other routers through the interface. To enable the router to learn the routes of the network segment where the interface resides, ensure that the link status of the interface is Up.
ripng process-id enable
If multiple interfaces on a router connect other routers, repeatedly perform Step 2 and Step 3.