300-420 · Question #86
What does a hierarchical EIGRP design help with? (Choose two.)
The correct answer is B. Route summarization C. Faster convergence. A hierarchical EIGRP design significantly aids in route summarization, which in turn contributes to faster network convergence.
Question
What does a hierarchical EIGRP design help with? (Choose two.)
Options
- ARedistribution
- BRoute summarization
- CFaster convergence
- DLoad balancing
How the community answered
(19 responses)- A5% (1)
- B95% (18)
Why each option
A hierarchical EIGRP design significantly aids in route summarization, which in turn contributes to faster network convergence.
While redistribution may occur in hierarchical designs, the design itself does not inherently 'help with' redistribution; rather, it provides clear points where it can be applied.
A hierarchical EIGRP design promotes efficient route summarization at boundaries between different levels of the hierarchy. This reduces the number of routes advertised into the core network, making routing tables smaller and update processes more manageable.
By reducing routing table sizes through summarization and localizing topology changes to specific areas, a hierarchical design minimizes the scope of routing updates. This localization allows EIGRP to converge more quickly when network changes or failures occur, as fewer routers need to process and recalculate routes.
Load balancing is a general capability of EIGRP (both equal-cost and unequal-cost) and is not a specific benefit directly arising from a hierarchical design, although it can be utilized within one.
Concept tested: EIGRP hierarchical design benefits
Source: https://www.cisco.com/c/en/us/support/docs/ip/enhanced-interior-gateway-routing-protocol-eigrp/16406-eigrp-toc.html
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