
Configuring IP Policies
9-3
Figure 9-2. Accept and Announce Policies
1. The protocol receiving the route consults an
accept policy
to determine
whether to forward the route to the IP routing table manager or drop the route.
2. If the protocol forwards the route, the routing table manager determines
whether to inject the route into the routing table.
Periodically, the routing table manager announces routes to other routers in the
network:
1. The routing table manager forwards a route for advertisement to the protocol.
Protocol
Announce
Policy
Accept
Policy
Routing
Table
Manager
Routing Table
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