To configure basic IP unicast routing, do the following:
Ensure that each VLAN has a unique IP address.
or
Configure a default route using the following command:
Default routes are used when the router has no other dynamic or static route to the requested destination.
enable ospfv3 {domain domainName}
Note
BGP (Border Gateway Protocol) does not use ECMP by default, so if you require that functionality you must explicitly issue the configure bgp maximum-paths max-paths command with a value greater than 1.