300-320 · Question #334
Two companies merge together but different OSPF Processes (domain), no IP overlapping, they want to exchange routing...(Choose 1)
The correct answer is B. Virtual link. When two companies merge and each has its own OSPF domain, the combined network may result in areas that are not directly connected to Area 0. OSPF requires all areas to have a direct or logical connection to the backbone (Area 0). A Virtual Link solves this by creating a…
Question
Two companies merge together but different OSPF Processes (domain), no IP overlapping, they want to exchange routing...(Choose 1)
Options
- AStatic OSPF
- BVirtual link
- CRoute Summarization
How the community answered
(49 responses)- A16% (8)
- B78% (38)
- C6% (3)
Explanation
When two companies merge and each has its own OSPF domain, the combined network may result in areas that are not directly connected to Area 0. OSPF requires all areas to have a direct or logical connection to the backbone (Area 0). A Virtual Link solves this by creating a logical adjacency through a transit area, allowing one company's OSPF area to connect to the other company's Area 0 (or vice versa) without a physical backbone link. This enables seamless OSPF routing exchange between the two formerly separate domains while preserving the OSPF hierarchy. Static OSPF is not a real concept. Route summarization only aggregates existing routes and does not establish routing exchange between two separate OSPF domains.
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