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

By Cisco · Question Mode

QuestionQ597

Layer 3 Technologies

What function does IPv6 Source Guard perform?

  • A It inspects ND and DHCP packets to build an address binding table.
  • B It works with address glean or ND to find existing addresses.
  • C It notifies the ND protocol to inform hosts if the traffic is denied by it.
  • D It denies traffic from known sources and allocated addresses.
Explanation

IPv6 Source Guard works with IPv6 Neighbor Discovery inspection or IPv6 address gleaning to detect addresses already present on the link and store them in a binding table. It uses that table to block data traffic whose source address does not match a known binding.

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