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 ripng
enable ospfv3
Note
BGP 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.