Cisco
350-060 · Question #115
350-060 Question #115: Real Exam Question with Answer & Explanation
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Question
A service provider allowed private IPv6 BGP peering with a university research network. On receiving IPv6 traffic, one Cisco 12000 Series Router that is located in the path of IPv6 traffic experienced high CPU use on its single-port OC192 line card that caused OSPF adjacency to drop on its port. Prior to receiving IPv6 traffic, this OC192 port was passing approximately 1 Gb of IPv4 traffic without any noticeable CPU use. What are two possible reasons for this performance problem? (Choose two.)
Options
- AIPv6 neighbor discovery is enabled. It should be disabled on point-to-point links because this helps
- BIPv6 DAD is enabled. It should be disabled in the service provider core.
- CThe line card is not capable of hardware forwarding of IPv6 traffic.
- DThe line card has an old fabric loader and FPGA code.
- ECisco Express Forwarding has been disabled on the line card.
- FSome of the IPv6 traffic contains extension headers causing increased CPU use.
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