Monday, August 12, 2024

Book Review - Building Data Centers with VXLAN BGP EVPN: A Cisco NX-OS Perspective

 

If you are completely new to EVPN, this book might help you understand the basics. But interestingly enough the book is dedicated to VxLAN BGP EVPN spread across roughly 450 pages and still miss to cover following topics in details:


- BGP underlay & Overlay designs details and tradeoffs beside best practices

- No details of EVPN route types, their encoding, flooding scope & optimization

- No details of design choices & tradeoffs 

- Lot of repetition 

- Very condensed packing of contents

- EVPN MLAG/Multi-homing details are skipped

- EVPN Policies stitching details are missing between different BGP AFIs & potential issues in ref. to policy control and information loss

- Multi-pod and Multi-fabric designs are are briefly touched  with no details but just plain theory

- EVPN over DCIs (L2 vs. L3) are very briefly touched with no details at all

- VxLAN & EVPN OAM are completely skipped

- No complete end to end configuration examples and scenarios

- Dual Stack & IPv6 only DCs are completely skipped

- Open Stack integrations are skipped

- How to deal between Physical and Virtual VTEPs is not covered

- Controller vs. Controller less designs are skipped

- Programmable fabric scalability details are not covered 

- Platforms specific details and limitations are not addressed 

- EVPN control plane security options are left for you to explore


HTH...

A Tech Artist 🎨

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