Fabric Forwarding (ACI-E-FABFOR)

Course Description

ACI Elite Series Fabric Forwarding (ACI-E-FABFOR)

The ACI Elite Series is a series of expert-led, 4-hour deep-dive sessions with hands-on lab practice. We cover different topics each week, so you can choose the ones that apply to you at a time that works for you. 

This session provides a deep dive into ACI Elite Series Fabric Forwarding.

Learning Objectives

  • Explain ACI packet forwarding


  • VxLAN refresher
  • Understanding Bridge Domains
    • Bridge Domain as a layer 2 boundary
    • Difference between VLANs and Bridge Domains
    • Bridge Domain configuration knobs
      • Limit Learning to IP subnet
    • Encapsulation and multicast group
  • COOP
    • Oracles and Citizens
    • Endpoint tables
    • Lookup process
  • Layer 2 and Layer 3 forwarding
    • ARP handling packet walk
    • L2 packet walk
    • L3 packet walk
    • BUM traffic packet walk
    • VxLAN Encapsulations
      • Intro to Fd_VLANs and BD_VLANs
      • VRF encapsulation
    • EP move and bounce entries
    • Rogue endpoint detection
    • Silent hosts
      • Endpoint table vs Mac and Routing Table


  • Intro to endpoint reachability troubleshooting
    • Understanding show endpoint command
    • Validate COOP entries (GUI and CLI)
    • Using Iping, Elam, and fTriage (App not CLI)

For more information on the entire ACI Elite Series, click here.

Course Information

Length: 0.5 day

Format: Lecture and Lab

Delivery Method: Virtual

Max. Capacity: 16


Want to learn more? Please fill out the form below and one of our team will reach out to you shortly.