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300-170 · Question #40

You have a contract between in-band and out-of-band EPGs. Which two descriptions of this contention are true? (Choose two )

The correct answer is C. Management statistics are available D. Shared services for CPU-bound traffic are supported. When configuring a contract between in-band and out-of-band EPGs, it enables the collection of management statistics and supports shared services for CPU-bound traffic.

Cisco Data Center Virtualization

Question

You have a contract between in-band and out-of-band EPGs. Which two descriptions of this contention are true? (Choose two )

Options

  • AFilters apply m the incoming direction only
  • BBoth EPGs must be m one VRF
  • CManagement statistics are available
  • DShared services for CPU-bound traffic are supported
  • EThe configuration supports Layer 2

How the community answered

(18 responses)
  • A
    6% (1)
  • C
    94% (17)

Why each option

When configuring a contract between in-band and out-of-band EPGs, it enables the collection of management statistics and supports shared services for CPU-bound traffic.

AFilters apply m the incoming direction only

Filters in ACI contracts can apply in both incoming and outgoing directions, not just incoming.

BBoth EPGs must be m one VRF

In-band and out-of-band EPGs typically reside in different VRFs (Virtual Routing and Forwarding instances) to maintain separation between data plane and management plane traffic, or the out-of-band EPG might not even be in a VRF in the same way.

CManagement statistics are availableCorrect

Management statistics can be collected for traffic flowing through contracts between in-band and out-of-band EPGs, providing visibility into the communication between managed devices and management networks.

DShared services for CPU-bound traffic are supportedCorrect

Shared services, especially for CPU-bound traffic like routing protocols or other network services, are supported when establishing contracts between in-band and out-of-band EPGs, allowing management components to access these services.

EThe configuration supports Layer 2

The configuration of in-band and out-of-band contracts primarily involves Layer 3 routing and IP services for management access, not general Layer 2 support across the contract itself.

Concept tested: ACI in-band/out-of-band contracts features

Source: https://www.cisco.com/c/en/us/td/docs/dcn/aci/apic/6x/config/security/cisco-aci-security-configuration-guide-60x/m_secure_mgmt.html#Cisco_Concept.dita_e8b4bb2e-4b48-4389-91ee-a10c71a3962d

Topics

#ACI#contracts#EPG#in-band#out-of-band#management#shared services

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