Chapter 19
| Unicast Routing
Configuring the Open Shortest Path First Protocol (Version 2)
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To show the configured route summaries:
1. Click Routing Protocol, OSPF, Area Range.
2. Select Show from the Action list.
3. Select the process ID.
Figure 499: Showing Configured Route Summaries
Redistributing
External Routes
Use the Routing Protocol > OSPF > Redistribute (Add) page to import external
routing information from other routing protocols, static routes, or directly
connected routes into the autonomous system, and to generate AS-external-LSAs.
Figure 500: Redistributing External Routes
Command Usage
◆ This router supports redistribution for all currently connected routes, entries
learned through RIP, and static routes.
◆ When you redistribute external routes into an OSPF autonomous system (AS),
the router automatically becomes an autonomous system boundary router
(ASBR).
◆ However, if the router has been configured as an ASBR via the General
Configuration screen, but redistribution is not enabled, the router will only
generate a “default” external route into the AS if it has been configured to
“always” advertise a default route even if an external route does not actually
exist (page 720).
OSPF
AS
RIP, or
static routes
Router
ASBR
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