A router running ISIS is showing high CPU and bandwidth utilization.

Cisco 300-420 Question Answer

A router running ISIS is showing high CPU and bandwidth utilization. An engineer discovers that the router is configured as L1/L2 and has L1 and L2 neighbors. Which step optimizes the design to address the issue?

Make this router a DIS for each of the interfaces

Disable the default behavior of advertising the default route on the L1/L2 router

Configure the router to be either L1 or L2

Configure each interface as either L1 or L2 circuit type

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Cisco 300-420 Summary

Vendor: Cisco
Product: 300-420
Update on: Jul 27, 2025
Questions: 339

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A router running ISIS is showing high CPU and bandwidth utilization.

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