
Chapter 14 • IPv6 Routing 257
The Multiprotocol Reachable NLRI and Multiprotocol Unreachable NLRI
attributes contain one or more records that contain these three pieces of
information. BGP routers can use the Multiprotocol Reachable NLRI to
advertise the availability of a route to a BGP peer, to advertise a network
layer address for the router that should be used as the next hop for certain
destinations, or to report on Subnetwork Points of Attachment (SNPAs
are basically link layer addresses associated with the network layer
addresses).
14.4.3 IPV6INTER-DOMAIN ROUTING WITH BGP
BGP routing in IPv6 networks is accomplished, basically, in the same way