Guide

Dinesh G. Dutt EVPN in the Data Center Compliments of

• Cover
• Cumulus
• Copyright
• Table of Contents
• Acknowledgments
• Chapter 1. Introduction to EVPN
• Software Used in This Book
• Chapter 2. Network Virtualization
• What Is Network Virtualization?
• Types of Virtual Networks
• Network Tunneling
• The Consequences of Tunneling
• Packet Load Balancing
• Network Interface Card Behavior
• Maximum Transmission Unit
• Lack of Visibility
• VXLAN
• Protocols to Implement the Control Plane
• Support for Network Virtualization Technologies
• Merchant Silicon
• Software
• Standards
• Summary
• Chapter 3. The Building Blocks of Ethernet VPN
• A Brief History of EVPN
• Architecture and Protocols for Traditional EVPN Deployment
• EVPN in the Data Center
• BGP Constructs for Virtual Networks
• Address Family Indicator/Subsequent Address Family Indicator
• Route Distinguisher
• Route Target
• RD, RT, and BGP Processing
• Route Types
• Modifications to Support EVPN over eBGP
• Keeping the NEXT HOP Unmodified
• Retaining Route Targets
• FRR Support for EVPN
• Automatic Propagation of NEXT HOP
• RT/RD Derivation
• What Is Not Supported in FRR
• Summary
• Chapter 4. Bridging with Ethernet VPN
• An Overview of Traditional Bridging
• Overview of Bridging with EVPN
• What Ifs
• Why Does NVE L3 Get an Advertisement for MACA?
• Handling BUM Packets
• Handling MAC Moves
• Support for Dual-Attached Hosts
• The Host-Switch Interconnect
• VXLAN Model for Dual-Attached Hosts
• Switch Peering Solutions
• Handling Link Failures
• Duplicate Multidestination Frames
• ARP/ND Suppression
• Summary
• Chapter 5. Routing with Ethernet VPN
• The Case for Routing in EVPN
• Routing Use Cases in the Data Center
• Routing Models
• Where Is the Routing Performed?
• Centralized Routing
• Distributed Routing
• How Routing Works in EVPN
• Asymmetric Routing
• Symmetric Routing
• VRFs in EVPN Routing
• Summarized Route Announcements
• BGP Support for EVPN Routing
• Comparing Asymmetric and Symmetric Models
• Vendor Support for EVPN Routing
• Summary
• Chapter 6. Configuring and Administering Ethernet VPN
• The Sample Topology
• Configuration Cases
• Configuring the MTU
• The End First: Complete FRR Configurations
• The Invariants: Configuration for the Spines, Firewall, and Servers
• Centralized Routing
• Asymmetric Distributed Routing
• Symmetric Routing
• Dissecting the Configuration
• Configuring the Underlay
• Configuring the Overlay: FRR
• Configuring the Overlay: Interfaces
• Examining an EVPN Network
• Show Running Configuration
• Show BGP Summary
• Show EVPN VNIs and VTEPs
• Identify Which VTEP Advertised a MAC Address
• Comparing FRR and Cisco EVPN Configurations
• Considerations for Deploying EVPN in Large Networks
• Summary
• About the Author