1.6 Introduction to OSPFv3 33
• The route with the smallest interior cost (or metric) to the next hop router, which is
specified by the Next Hop Address field of the MP_REACH_NLRI attribute for IPv6, is
preferred.
• The route that was advertised by the BGP router having the lowest identifier is preferred.
• The route that was advertised by the BGP router with the lowest address is preferred.
1.6 Introduction to OSPFv3
The OSPF protocol is a link-state routing protocol, that is, each router maintains a link-state
database (LSDB) that comprises link-state information collected from all participating OSPF
routers within an AS. Link-state information (or just link-state) refers to a router’s local view
of its immediate network topology, which includes the ...