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A common first step in converting a RIP
network to an OSPF network is to add backbone routers that run both
RIP and OSPF, while the remaining network devices run RIP. These
backbone routers are OSPF ASBRs. Each ASBR controls the flow of
routing information between OSPF and RIP. In the main figure Router A is configured as the ASBR.
Configuration File Examples
The commands in the configuration file for Router A
determine the IP address for each interface and enable RIP on those
interfaces. (see
RouterA#show running-config
command output).
The following commands in the configuration file for Router B
determine the IP address for each interface and enable RIP on those
interfaces. (see
Router B#show
running-config
command output).
The following commands in the configuration file for Router C
determine the IP address for each interface and enable RIP on those
interfaces. (see
Router C#show
running-config
command output).
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