300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

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QuestionQ478

Layer 3 Technologies

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Refer to the exhibits. All serial links between R1, R2, and R3 use the same bandwidth. Users on the 192.168.1.0/24 network report slow response times when accessing resources on the 192.168.3.0/24 network. A traceroute along the path shows that packets are forwarded through R2 to R3, although the link between R1 and R3 remains up.

What must the network administrator do to resolve the slowness?

  • A Add a static route on R1 using the next hop of R3.
  • B Remove the static route on R1.
  • C Change the Administrative Distance of EIGRP to 5.
  • D Redistribute the R1 static route to EIGRP.
Explanation

A static route to 192.168.3.0/24 through R2 is installed with administrative distance 1, so it is preferred over an internal EIGRP route with the default administrative distance of 90. Removing that static route permits EIGRP to install the direct R1–R3 path, eliminating the unnecessary R2 transit. Cisco documents the default distances as 1 for static routes and 90 for internal EIGRP routes.

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