300-610 DCID: Designing Cisco Data Center InfrastructureDemo

By Cisco · Question Mode

QuestionQ170

Network Design

A network engineer is designing a Cisco Nexus data center network for a client-server farm that uses a pair of Nexus 9000 Series Switches in a vPC setup. Each server is connected through two interfaces to both Nexus switches. The Nexus switches must always begin negotiation with the server.

Which feature should be used in this design to ensure that traffic is forwarded from the server to the data center network?

  • A PAgP mode desirable
  • B LACP mode auto
  • C LACP mode active
  • D PAgP mode auto
Explanation

LACP active places the switch port in an active negotiation state and initiates link-aggregation negotiation by sending LACP packets. This satisfies the requirement that the Nexus switches, rather than the servers, always initiate negotiation.

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