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Troubleshooting the Cisco ACI Fabric

Updated – Learn how to identify faults and apply common Cisco Application Centric Infrastructure (ACI) troubleshooting tools.

GK# 4987

Course Overview

This course includes Cisco Training Exclusives

EXCLUSIVE TO GLOBAL KNOWLEDGE - Accelerate your Cisco learning experience with complimentary access to the IT Skills Video On-Demand Library, Introduction to Cybersecurity digital learning course, course recordings, IT Resource Library, and digital courseware.

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Classic data centers integrate many different components from many different environments, creating a very complex and decentralized approach to troubleshooting application deployment. Just as Application centric infrastructure (ACI) allows for centralized management focused on application needs, you can troubleshoot your ACI fabric from a centralized location with the requirements of the application in mind.

The first step in troubleshooting any scenario is to fully understand your existing ACI environment. In this course, you will configure your own fabric as a foundation for the troubleshooting exercises that will follow. You will use common ACI troubleshooting tools, such as Visore, to identify problems that impact fabric-wide connectivity. You will use the APIC CLI to expose misconfigurations that trigger fault messages in the APIC GUI and practice applying GUI and CLI tools to various troubleshooting scenarios.


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What You'll Learn

  • Discover a new ACI fabric
  • Confirm functionality of a fabric
  • Apply a basic troubleshooting methodology
  • Use CLI troubleshooting tools to discover misconfigurations
  • View faults in GUI
  • Use Visore to query MOs
  • Use common


Viewing outline for:

Virtual Classroom Live Outline

Module 1 Deploy the fabric

  • Lesson 1: Initializing the ACI environment
  • Lesson 2: Confirming functionality

Module 2 Use Visore and other troubleshooting tools

  • Lesson 1: Use Visore to query MOs
  • Lesson 2: Use GUI troubleshooting tools

Module 3 Verify VLANs

  • Lesson 1: Using the APIC GUI to verify VLANs
  • Lesson 2: Using the APIC CLI to verify VLANs

Module 4 Verify and track connectivity of fabric end points

  • Lesson 1: Using the APIC GUI to verify and track connectivity
  • Lesson 2: Using the APIC CLI to verify and track connectivity

Module 5 Troubleshoot

  • Lesson 1: Troubleshoot L3 OUT, Routing connectivity
  • Lesson 2: Troubleshoot Contracts
  • Lesson 3: Review and Document Faults


Viewing labs for:

Virtual Classroom Live Labs

Lab 0: Remote Lab Access and Login

Lab 1: Discover the current ACI fabric

Lab 2: Confirm fabric access policies

Lab 3: Using Visore and other troubleshooting tools

Lab 4: Verify VLANs

Lab 5: Verify and track connectivity of fabric end points

Lab 6: Troubleshoot L3 OUT

Lab 7: Troubleshoot contracts

Lab 8: Troubleshoot faults


  • DCICN or DCICT or equivalent experience or knowledge
  • Server virtualization knowledge
  • Introduction to Cisco ACI

Who Should Attend

  • Field engineers
  • Support engineers
  • Server administrators
  • Network administrators
  • Storage administrators

Vendor Credits


This course can be purchased with Cisco Learning Credits (CLCs).

Follow-On Courses

Training Exclusives

Classroom and Virtual Classroom sessions of this course include access to the following benefits:

  • IT Skills Video On-Demand Library (over 40,000 titles)
  • Introduction to Cybersecurity digital learning course
  • Course Recordings
  • IT Resource Library
  • Digital Courseware
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Course Delivery

This course is available in the following formats:

Virtual Classroom Live

Experience expert-led online training from the convenience of your home, office or anywhere with an internet connection.

Duration: 2 day

Request this course in a different delivery format.