An enterprise administrator configures route summarization on ASBRs to reduce the number of inter-area Type 3 LSAs, which in turn reduces the routing table size and improves device resource utilization.
Comprehensive and Detailed Step-by-Step Explanation:
OSPF Route Summarization:
Route summarization combines multiple specific routes into a single summary route. This reduces the number of LSAs advertised between OSPF areas, especially Type 3 LSAs.
Benefits of Route Summarization:
Reduces the size of the OSPF database and routing table.
Minimizes the processing overhead on routers by decreasing the number of routing entries.
Improves the scalability of the OSPF network.
ASBR Function:
The ASBR advertises external routes into OSPF and can summarize routes at area boundaries or during redistribution.
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