Configuring a virtual link For more information, see Configuring an ABR to use a virtual link to the backbone area virtual-link router-id Adjusting a dead interval on a virtual link adjust hello interval adjust retransmit interval adjust transit delay ipv6 ospf3 passive OSPFv3 passive router ospf3 redistribute Reducing AS-external-LSAs and inter-area-prefix-LSAs route-map name router ospf3 trap Troubleshooting: Logging neighbor adjacency change events