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.
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)- A6% (1)
- C94% (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.
Filters in ACI contracts can apply in both incoming and outgoing directions, not just incoming.
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.
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.
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.
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
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