OSPF 面接の質問と回答
質問 26. Explain OSPF route summarization.
Route summarization in OSPF involves aggregating multiple routes into a single summarized route, reducing the size of the routing table.
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質問 27. How does OSPF handle router priority in DR/BDR election?
Router priority is a value used in the DR/BDR election process. The router with the highest priority becomes the DR, and the second-highest becomes the BDR.
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質問 28. Explain OSPF router types.
OSPF routers can be designated as internal routers, area border routers (ABRs), autonomous system boundary routers (ASBRs), or backbone routers.
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質問 29. What is the OSPF LSRefresh timer?
The LSRefresh timer ensures that OSPF routers refresh LSAs with their current age before flooding them. It helps prevent premature aging of LSAs.
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質問 30. Explain OSPF stub area characteristics.
In OSPF stub areas, routers do not receive external routes, reducing the LSDB size. The area relies on a default route for external destinations.
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