BGP Route Resolution in Multitopology Routing
The default behavior is for the Junos OS to resolve BGP routes against the inet.0 and inet.3 routing tables. By default, the secondary route points to the next hop of the primary BGP route. This means that under the default behavior, BGP cannot perform secondary route resolution. Multitopology Routing in BGP provides support for secondary routes to resolve to an independent set of next hops.
When Multitopology Routing in BGP resolves a route against the inet.0 routing table, a forwarding state is generated to match the topologies for which you configured a BGP import policy.
