Prohibiting certain interfaces from receiving and sending OSPFv3 packets does not affect advertising the direct route, consequently reducing the resource consumption and improving the networking adaptability of OSPFv3.
On both broadcast and NBMA networks, you can set the DR priority of OSPF interfaces to impact the DR/BDR election. In common cases, the router with high performance and reliability is selected as the DR/BDR.
When a router has a heavy load and cannot forward any other packets, you can configure it as a stub router. After the router is configured as a stub router, other OSPFv3 devices do not use this router to forward data but they can have a route to this stub router.
By disabling an interface from checking the MTU field in the received DD packet, you can enable an OSPFv3 device to receive the packet with the MTU field being 0.
OSPFv3 neighbor relationship flapping suppression works by delaying OSPFv3 neighbor relationship reestablishment or setting the link cost to the maximum value.