
Configuring IP Exterior Gateway Protocols (BGP and EGP)
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Figure 6-1, for example, shows an AS with a single route reflector connected to
five IBGP speakers configured as RR clients. The RR receives a route
advertisement from RR client 1, determines that the route is the best route to the
external destination, and forwards the route to RR clients 2, 3, 4, and 5.
Figure 6-1. IBGP Single Route Reflector Topology
Key
IP0065B
Autonomous system
Route
reflector
RR client 2
RR client 1
RR client 5
RR client 4
RR client 3
Peer-to-peer session
BGP route advertisement
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