Contents
1 Introduction..................................................................................................................................9
Problem: Challenges to Build a Fabric in the Data Center........................................................................................9
Solution: Active Fabric Manager..............................................................................................................................9
2 About AFM..................................................................................................................................11
3 Getting Started...........................................................................................................................13
Designing and Deploying a Fabric..........................................................................................................................13
Designing and Deploying a Fabric Flowchart.........................................................................................................15
4 AFM Site Map............................................................................................................................ 17
5 Supported Fabric Types........................................................................................................... 19
Key Considerations for Designing a Layer 3 with Resiliency (Routed VLT) Fabric.................................................20
Gathering Useful Information for a Layer 3 with Resiliency (Routed VLT) Fabric.................................................. 20
Conventional Core Versus Distributed Core........................................................................................................... 21
Conventional Core............................................................................................................................................ 21
Distributed Core............................................................................................................................................... 22
Key Advantages............................................................................................................................................... 22
Distributed Core Terminology ..........................................................................................................................23
Key Considerations for Designing a Distributed Core......................................................................................24
Gathering Useful Information for a Distributed Core....................................................................................... 25
Selecting a Layer 3 Distributed Core Fabric Design........................................................................................ 26
VLT.......................................................................................................................................................................... 30
Multi-domain VLT............................................................................................................................................. 31
VLT Terminology...............................................................................................................................................31
VLT Fabric Terminology....................................................................................................................................31
VLT Components...............................................................................................................................................32
Typical VLT Topology....................................................................................................................................... 32
Key Considerations for Designing a Layer 2 VLT Fabric.................................................................................. 33
Gathering Useful Information for a Layer 2 VLT Fabric....................................................................................34
Selecting a Layer 2 and Layer 3 with Resiliency (Routed VLT) Fabric Design................................................. 34
6 Designing the Fabric.................................................................................................................49
Network Deployment Summary .............................................................................................................................49
Fabric Configuration Phases and States..........................................................................................................49
Switch Configuration Phases and States.........................................................................................................51
Using the Fabric Design Wizard............................................................................................................................. 51
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