User Manual UMN:CLIV5808577255>] type.X:X::X:X: neighbor IPv6 addressTo delete a configured router communicated by non-broadcast type, use the followingcommand.Command Mode Descriptionno ipv6 ospf neighbor X:X::X:X [instance-id <0-255>] Interface Deletes a configured neighbor router ofNBMA type.11.3.6 OSPFv3 AreaRouter configuration on OSPFv3 network includes Area configuration with each interface,network. This area has various and special features. It needs to be configured pertinentlyto make effective management on whole of OSPFv3 network.OSPFv3 network defines several router types to manage the Area. ABR (Area BorderRouter) is one of the router types to transmit information between Areas.ASBR (Autonomous System Border Router) is using OSPFv3 on one side and usingother routing protocol except for OSPFv3 on other interface or Area. ASBR exchangesarea information between different routing protocols.Area types are various. The most principle Area types are Stub Area and NSSA (Not SoStubby Area).11.3.6.1 Default Cost of AreaThe default cost of Area is configured only in ABR. ABR function is for delivering thesummary default route to stub area or NSSA, in that cases the default cost of area mustbe required. However, ABR which does not have stub area or NSSA can not use thefollowing command. To configure a default cost of Area, use the following command.Command Mode Descriptionarea {A.B.C.D | <0-4294967295>}default-cost <1-16777215> Router Configures a default cost of Area.To delete a configured default cost of Area, use the following command.Command Mode Descriptionno area {A.B.C.D | <0-4294967295>} default-cost Router Deletes a configured default cost of Area.This command is only for ABR which is delivering summary default route to stub or NSSA.i