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

By Cisco · Question Mode

QuestionQ566

Layer 3 Technologies

First-Hop Security (FHS) is a set of features that optimizes IPv6 link operation and assists with scaling in large Layer 2 domains. Which of the following are valid Cisco-supported First-Hop Security features?

Choose three
  • A IPv6 RA Guard
  • B IPv6 Source Guard
  • C DHCPv6 Guard
  • D IPv6 Snooping
  • E DHCPv6 Snooping
Explanation

Cisco identifies IPv6 Router Advertisement Guard, DHCPv6 Guard, and IPv6 Snooping as IPv6 First-Hop Security global-policy features. RA Guard filters unauthorized router advertisements, DHCPv6 Guard blocks unauthorized DHCPv6 server or relay messages, and IPv6 Snooping supports the associated IPv6 binding and policy mechanisms.

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