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DCACIT: Troubleshooting Cisco Application Centric Infrastructure


  • 3 Days
  • Cisco CLC Voucher Eligible

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Course Description

This course teaches you the key components and procedures that you need to know to manage, monitor, and troubleshoot Cisco© Nexus© 9000 Series Switches in Application Centric Infrastructure (ACI) mode, a solution to simplify, optimize, and accelerate infrastructure deployment and governance. This course is for advanced engineers who have installed and managed existing fabrics or for those who have completed the Implementing Cisco Application Centric Infrastructure-Advanced (DCACI) course.


Cisco ACI Day-2 Operations

  • Management Information Tree
  • Cisco ACI APIC and Built-In Tools


Day-2 Operational Challenges

  • Day-2 Challenges and Solutions


Introducing Cisco Network Assurance Engine (NAE)

  • Overview of Cisco Network Assurance Engine
  • Components of Cisco NAE


Introducing Cisco Network Insights

  • Introducing Cisco Network Insights Advisor
  • Introducing Cisco Network Insights Resources


Cisco ACI Fabric Operation and Forwarding

  • Virtual Extensible LAN Basics
  • Cisco ACI Initial Configuration Overview


Cisco ACI Troubleshooting Methodology

  • Review of Logical Model
  • Review of Concrete Model


Troubleshooting the Logical Model

  • Troubleshooting Logical Model Methodology


Troubleshooting the Concrete Model

  • Troubleshooting Concrete Model Methodology


Troubleshooting Virtual Machine Manager (VMM) Integration

  • Troubleshooting VMware
  • Verifying Blade Chassis


Troubleshooting Layer 4-7 Service Insertion

  • Layer 4-7 Service Graph Overview
  • Device Packages


Troubleshooting Layer 2

  • VLAN and Virtual Extensible LAN (VXLAN) Mapping
  • Traffic Flow


Troubleshooting Layer 3 Routing

  • Troubleshooting Routing
  • Layer 3 Transit Routing


Troubleshooting Contracts and Route Leaking

  • Virtual Routing and Forwarding (VRF)-VRF Contracts and Route Leaking


Cisco ACI Best Practices

  • Cisco ACI Naming Conventions
  • Day-0 Configuration


Lab outline

  • Designing Enterprise Connectivity
  • Designing an Enterprise Network with BGP Internet Connectivity
  • Designing an Enterprise Campus LAN
  • Designing Resilient Enterprise WAN
  • Designing QoS in an Enterprise Network
  • Designing an Enterprise IPv6 Network

Network engineers


You should have the following knowledge and skills before attending this course:

  • Completion of Cisco ACI Field Engineer Essentials course
  • Familiarity with data center infrastructure operations
  • Familiarity with the management of Cisco data center switches
  • Basic programming
  • Basic network troubleshooting
  • System or network administration (Linux or Windows)
  • Datacenter operations


The following Cisco courses may help you meet these prerequisites:

  • Implementing Cisco Application Centric Infrastructure-Advanced (DCACI)
  • Cisco Application Centric Infrastructure Operations and Troubleshooting (DCACIO)
What You Will Learn

After taking this course, you should be able to:

  • Review and verify basic connectivity to the Cisco Application Policy Infrastructure Controller (APIC)
  • Explain Cisco APIC and its monitoring, management, and troubleshooting aspects
  • Describe Cisco Network Assurance and Cisco Network Insights and how to use them to improve operational efficiency
  • Avoid common mistakes and recognize common symptoms