Explain to a customer 2 advantages of the routing summarization. (Choose two)

The correct answer is A. small routing table B. small upstream impact of a flapping interface. Route summarization (also called route aggregation) offers two key advantages: (A) Smaller routing tables - instead of advertising many specific routes, a router advertises a single summary route, reducing memory consumption and lookup time on all routers in the network. (B)…

Advanced Addressing and Routing Solutions

Question

Options

Asmall routing table
Bsmall upstream impact of a flapping interface
Cfast convergence
Dsecurity
Eenhance view of the architecture

How the community answered

(35 responses)

A
94% (33)
C
3% (1)
E
3% (1)

Explanation

Route summarization (also called route aggregation) offers two key advantages: (A) Smaller routing tables - instead of advertising many specific routes, a router advertises a single summary route, reducing memory consumption and lookup time on all routers in the network. (B) Reduced upstream impact of a flapping interface - when a specific subnet goes up and down (flaps), only routers within that summarized block learn about the change; upstream routers only see the stable summary route and are not flooded with repeated LSAs or routing updates. While summarization can have indirect effects on convergence, it does not inherently guarantee faster convergence (C), does not provide security (D), and does not enhance architectural visibility (E) - those are not primary benefits.

Topics

#route summarization#routing table#stability#prefix aggregation

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