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ACI Fundamentals

This entry-level Cisco ACI training course introduces IT professionals to the fundamentals of Application Centric Infrastructure, equipping network administrators and engineers with hands-on skills in ACI fabric configuration, policy management, and automation. You’ll learn to build and manage scalable ACI environments, automate tasks using Python and REST API, and implement micro-segmentation and robust security policies. The course also covers integration with cloud services and third-party platforms, plus training on APIC management, Nexus 9000 spine-leaf architecture, VXLAN forwarding, and intent-based SDN design. Whether you're starting your journey with ACI fundamentals or looking to enhance your software-defined networking expertise, this course provides the practical knowledge needed to optimize modern data center performance and automation.

Updated September 2024

24Skills
130Videos
19hTotal

Who This Course Is For

This ACI Fundamentals training is considered foundational-level Cisco training, which means it was designed for network admins. This Cisco skills course is valuable for new IT professionals with at least a year of experience with networking and experienced network admins looking to validate their Cisco skills.

Skills Your Team Will Gain

  • Configure Cisco ACI fabric infrastructure: bridge domains, EPGs, contracts, and traffic policies
  • Use Python scripting and REST API to automate ACI provisioning and management
  • Apply micro‑segmentation policies to secure multi‑tenant infrastructure
  • Manage ACI integration with cloud services and external networks (L3Out, VRF, BGP)
  • Understand and implement Nexus‑9000 spine‑leaf architecture and VXLAN forwarding within the ACI logical model
  • Leverage intent‑based networking and SDN principles to scale and optimize modern data center environments

Course Curriculum

One skill is free to watch — no signup needed. The other 23 premium skills unlock for your whole team with a CBT Nuggets plan.

Free skill preview

Configure ACI Endpoint Groups

Jeff KishDuration: 46m10 videos

Watch this complete skill free — the same trainer, videos, and labs your team gets with a plan.

Watch free skill
  • Premium skill.Describe ACI Concepts46m · 10 videos
  • Premium skill.Describe ACI Fabric Management45m · 8 videos
  • Premium skill.Explain the ACI Spine-Leaf Architecture50m · 10 videos
  • Premium skill.Explain ACI VXLAN Forwarding47m · 8 videos
  • Premium skill.Explain ACI Fabric Forwarding47m · 10 videos
  • Premium skill.Explore the Nexus 9K Family52m · 14 videos
  • Premium skill.Configure a Basic ACI Fabric44m · 11 videos
  • Premium skill.Explain the APIC49m · 12 videos
  • Premium skill.Manage ACI and the APIC50m · 12 videos
  • Premium skill.Describe the ACI Physical Model47m · 12 videos
  • Premium skill.Describe the ACI Logical Model51m · 12 videos
  • Configure ACI Endpoint GroupsFree46m · 10 videos
  • Premium skill.Explain and Diagram the ACI Architecture48m · 8 videos
  • Premium skill.Explain and Configure ACI Traffic Flow46m · 8 videos
  • Premium skill.Configure ACI Contracts48m · 14 videos
  • Premium skill.Connect ACI to L3 External Networks46m · 9 videos
  • Premium skill.Connect ACI to L2 External Networks53m · 10 videos
  • Premium skill.Diagram ACI Traffic Flows52m · 12 videos
  • Premium skill.Configure ACI External Networks47m · 12 videos
  • Premium skill.Describe ACI Architectures51m · 12 videos
  • Premium skill.Describe API Usage in ACI50m · 11 videos
  • Premium skill.Describe the ACI Object Model46m · 10 videos
  • Premium skill.Review ACI Foundations50m · 10 videos
  • Premium skill.ACI Foundations Configuration Challenge49m · 12 videos
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Put this course to work for your team

Every plan includes this course plus the full library, virtual labs, and practice exams — or talk it through with sales.

For IT leaders

What IT leaders need to know before assigning this course

When IT teams adopt Cisco ACI, the challenge is rarely just learning new terminology — it’s building a shared foundation for operating a policy-driven data center fabric without creating configuration drift, inconsistent traffic handling, or delays in onboarding new services. This training gives network teams a structured introduction to ACI concepts, fabric management, spine-leaf architecture, forwarding behavior, the APIC, and the physical and logical models that underpin day-to-day administration.

IT Directors and Training Managers should use this course to align network admins around the core building blocks of an ACI environment before assigning production responsibilities. The playlist moves from architecture and fabric fundamentals into practical tasks like configuring a basic ACI fabric, endpoint groups, contracts, traffic flow, and external network connectivity, then closes with a foundations review and configuration challenge. For teams rolling out ACI or standardizing operations, CBT Nuggets Playlist enrollment and Team Reporting can help track progress across the full fundamentals path.

Team Impact

How this training helps your team succeed

For organizations moving toward automated data center operations, foundational ACI knowledge helps teams make consistent decisions about segmentation, connectivity, and policy management. This training is built around the operational areas network teams need before they touch production fabrics: architecture, forwarding, APIC management, endpoint groups, contracts, and external connectivity.

  • Establish a common operating model across the team by standardizing how admins describe ACI concepts, spine-leaf design, and the physical and logical models.
  • Reduce provisioning mistakes by preparing staff to configure a basic ACI fabric and apply core constructs such as endpoint groups and contracts consistently.
  • Improve change readiness when connecting ACI to L2 and L3 external networks by grounding teams in traffic flow and external network configuration fundamentals.
  • Support faster onboarding for new network admins by giving them one structured path through ACI architecture, management, API usage, and a final configuration challenge.

After completion

Capabilities your team walks away with

Knowledge

  • Core Cisco ACI concepts and how ACI differs from traditional network operating models
  • ACI fabric management fundamentals, including the role of the APIC in administration and control
  • Spine-leaf architecture principles and how they relate to ACI fabric design
  • ACI VXLAN and fabric forwarding concepts, including how traffic moves through the fabric
  • The ACI physical model, logical model, and object model used to represent policy and infrastructure
  • How external L2 and L3 networks relate to ACI architectures and traffic flow design

Ability

  • Explain and diagram an ACI architecture for internal team discussions and planning sessions
  • Configure a basic ACI fabric using foundational platform constructs
  • Manage ACI through the APIC and perform core administrative tasks
  • Configure endpoint groups, contracts, and traffic-flow-related policy elements
  • Connect an ACI environment to external Layer 2 and Layer 3 networks
  • Describe API usage in ACI and apply foundational knowledge in a configuration challenge scenario

Readiness check

Confirm prerequisite knowledge before training begins

A short placement assessment on the CBT Nuggets assessments platform measures whether a learner already has the foundation this course assumes. IT Directors use it to put the right people in the right training — and any learner can take it right now to make sure they'll get full value from day one.

  • Questions generated from this course's own video transcripts — what gets measured is exactly what gets taught
  • Instant, per-learner results that show whether the prerequisite foundation is in place
  • Results roll up into team readiness reporting, so training hours go where they change outcomes
Runs on assessments.cbtnuggets.com — sign in with an Adept account so results roll up into team readiness reporting. Need one?
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Frequently Asked Questions

What is ACI from Cisco?

ACI stands for Application-Centric Infrastructure. ACI is Cisco's software-defined networking (SDN) solution for automating and simplifying data center operations. ACI centralizes network management and makes it possible to apply application-driven network policies. ACI integrates physical and virtual network environments under a unified policy model while supporting multi-cloud deployments.

Is it worth learning how to use and administer ACI?

For IT professionals in network administration, data centers or cloud environments who want to deepen their familiarity with Cisco network technologies, it's definitely worth learning about Cisco's Application-Centric Infrastructure (ACI). ACI provides automation, centralized management and a policy-driven approach to network management that aligns with modern networking trends – learning to use ACI positions you at the leading edge of the wave of SDN integration jobs.

What is ACI used for?

Cisco ACI is best used in large data centers, multi-cloud environments and enterprises that need robust network automation, scalability and security. Taking this course and learning the fundamentals of using and administering ACI qualifies you for entry-level positions in environments and networks like that. ACI is ideal for organizations who want to simplify complex hybrid operations, enhance application performance, and enforce consistent security policies.

Is Cisco ACI difficult to learn?

Learning Cisco ACI is a challenge to most IT professionals, especially those who are new to software-defined networking or who are unfamiliar with Cisco's networking concepts. Even learning the fundamentals of ACI takes understanding its unique policy-driven approach, fabric architecture and advanced automation features. This course helps bridge the gap between prior knowledge of networking and data centers to ACI mastery with hands-on practice in virtual labs.

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