The router next-hop address determined
from the routing table must be resolved to a Frame Relay DLCI, as
shown in the Figure. The resolution is done through a data structure
called a Frame Relay map. The routing table is then used to supply the
next-hop protocol address or the DLCI for outgoing traffic. This data
structure can be statically configured in the router, or the Inverse
ARP feature can be used for automatic setup of the map.
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