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Cisco

300-610 · Question #250

Which two paths are provided by deploying an OOB management network in a data center that uses Cisco Nexus switches? (Choose two.)

The correct answer is A. Layer 3 for vPC keepalive packets C. Layer 3 for monitoring purposes. An out-of-band (OOB) management network for Cisco Nexus switches provides a dedicated Layer 3 path for monitoring purposes and for transmitting vPC keepalive packets.

Data Center Network Design

Question

Which two paths are provided by deploying an OOB management network in a data center that uses Cisco Nexus switches? (Choose two.)

Options

  • ALayer 3 for vPC keepalive packets
  • BLayer 2 for a vPC peer link
  • CLayer 3 for monitoring purposes
  • DLayer 2 for server traffic
  • ELayer 3 for server traffic

How the community answered

(54 responses)
  • A
    93% (50)
  • B
    2% (1)
  • D
    2% (1)
  • E
    4% (2)

Why each option

An out-of-band (OOB) management network for Cisco Nexus switches provides a dedicated Layer 3 path for monitoring purposes and for transmitting vPC keepalive packets.

ALayer 3 for vPC keepalive packetsCorrect

An OOB management network provides a reliable, independent Layer 3 path for vPC keepalive packets, ensuring that vPC peer devices can detect failures without relying on the data plane, thereby enhancing high availability.

BLayer 2 for a vPC peer link

The vPC peer link carries data plane traffic and is an in-band connection between vPC peer switches, not part of the OOB management network.

CLayer 3 for monitoring purposesCorrect

The OOB management network provides a dedicated Layer 3 path for monitoring purposes, allowing administrators to access, manage, and collect telemetry data from network devices without impacting or being affected by the operational data plane.

DLayer 2 for server traffic

Layer 2 for server traffic is handled by the in-band data plane network, which forwards production traffic, not the OOB management network.

ELayer 3 for server traffic

Layer 3 for server traffic is handled by the in-band data plane network, which forwards production traffic, not the OOB management network.

Concept tested: Out-of-band management network functions

Source: https://www.cisco.com/c/en/us/td/docs/dcn/nx-os/nexus9000/102x/configuration/system-management/b-cisco-nexus-9000-series-nx-os-system-management-configuration-guide-102x/m-config-mgmt-intf.html

Topics

#OOB management#Cisco Nexus#vPC keepalive#monitoring

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