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Produktbild: Building Data Centers with VXLAN BGP EVPN: A Cisco NX-OS Perspective
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Beschreibung

The complete guide to building and managing next-generation data center network fabrics with VXLAN and BGP EVPN

This is the only comprehensive guide and deployment reference for building flexible data center network fabrics with VXLAN and BGP EVPN technologies. Writing for experienced network professionals,...

Beschreibung

The complete guide to building and managing next-generation data center network fabrics with VXLAN and BGP EVPN


This is the only comprehensive guide and deployment reference for building flexible data center network fabrics with VXLAN and BGP EVPN technologies. Writing for experienced network professionals, three leading Cisco experts address everything from standards and protocols to functions, configurations, and operations.


The authors first explain why and how data center fabrics are evolving, and introduce Cisco’s fabric journey. Next, they review key switch roles, essential data center network fabric terminology, and core concepts such as network attributes, control plane details, and the associated data plane encapsulation.


Building on this foundation, they provide a deep dive into fabric semantics, efficient creation and addressing of the underlay, multi-tenancy, control and data plane interaction, forwarding flows, external interconnectivity, and service appliance deployments. You’ll find detailed tutorials, descriptions, and packet flows that can easily be adapted to accommodate customized deployments. This guide concludes with a full section on fabric management, introducing multiple opportunities to simplify, automate, and orchestrate data center network fabrics.


  • Learn how changing data center requirements have driven the evolution to overlays, evolved control planes, and VXLAN BGP EVPN spine-leaf fabrics
  • Discover why VXLAN BGP EVPN fabrics are so scalable, resilient, and elastic
  • Implement enhanced unicast and multicast forwarding of tenant traffic over the VXLAN BGP EVPN fabric
  • Build fabric underlays to efficiently transport uni- and multi-destination traffic
  • Connect the fabric externally via Layer 3 (VRF-Lite, LISP, MPLS L3VPN) and Layer 2 (VPC)
  • Choose your most appropriate Multi-POD, multifabric, and Data Center Interconnect (DCI) options
  • Integrate Layer 4-7 services into the fabric, including load balancers and firewalls
  • Manage fabrics with POAP-based day-0 provisioning, incremental day 0.5 configuration, overlay day-1 configuration, or day-2 operations

Produktdetails

Einband

Taschenbuch
Erscheinungsdatum

29.06.2024
Verlag Pearson Education Limited
Seitenzahl

352

Produktdetails

Einband

Taschenbuch
Erscheinungsdatum

29.06.2024
Verlag Pearson Education Limited
Seitenzahl

352
Maße (L/B/H)

23,2/18,7/2 cm
Gewicht

590 g
Auflage

1
Sprache

Englisch
ISBN

978-1-58714-467-7
Herstelleradresse

Pearson
St.-Martin-Straße 82
81541 München
DE

Email: salesde@pearson.com

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  • Produktbild: Building Data Centers with VXLAN BGP EVPN: A Cisco NX-OS Perspective

  •     Introduction xv

    Chapter 1 Introduction to Programmable Fabric 1

        Today’s Data Center Challenges and Requirements 2

        The Data Center Fabric Journey 3

        Cisco Open Programmable Fabric 10

            Fabric-Related Terminology 13

        Data Center Network Fabric Properties 14

            Server or Endpoint Connectivity Options 15

        Summary 17

        References 17

    Chapter 2 VXLAN BGP EVPN Basics 21

        Overlays 23

        Introduction to VXLAN 27

            VXLAN Flood and Learn (F&L) 30

        Introduction to BGP EVPN with VXLAN 32

            MP-BGP Features and Common Practices 34

            IETF Standards and RFCs 37

            Host and Subnet Route Distribution 40

        Host Deletion and Move Events 46

        Summary 48

        References 49

    Chapter 3 VXLAN/EVPN Forwarding Characteristics 53

        Multidestination Traffic 54

            Leveraging Multicast Replication in the Underlying Network 55

            Using Ingress Replication 58

        VXLAN BGP EVPN Enhancements 60

            ARP Suppression 60

            Distributed IP Anycast Gateway 65

            Integrated Route and Bridge (IRB) 69

            Endpoint Mobility 73

            Virtual PortChannel (vPC) in VXLAN BGP EVPN 76

            DHCP 81

        Summary 85

        References 85

    Chapter 4 The Underlay 87

        Underlay Considerations 88

            MTU Considerations 91

            IP Addressing 93

        IP Unicast Routing 99

            OSPF as an Underlay 100

            IS-IS as an Underlay 102

            BGP as an Underlay 103

            IP Unicast Routing Summary 106

        Multidestination Traffic 107

            Unicast Mode 107

            Multicast Mode 109

            PIM Any Source Multicast (ASM) 112

            BiDirectional PIM (PIM BiDir) 114

        Summary 119

        References 119

    Chapter 5 Multitenancy 121

        Bridge Domains 123

        VLANs in VXLAN 124

        Layer 2 Multitenancy: Mode of Operation 129

            VLAN-Oriented Mode 130

            BD-Oriented Mode 131

        VRF in VXLAN BGP EVPN 132

        Layer 3 Multitenancy: Mode of Operation 134

        Summary 137

        References 138

    Chapter 6 Unicast Forwarding 139

        Intra-Subnet Unicast Forwarding (Bridging) 139

        Non-IP Forwarding (Bridging) 147

        Inter-Subnet Unicast Forwarding (Routing) 149

            Routed Traffic to Silent Endpoints 158

        Forwarding with Dual-Homed Endpoint 164

        IPv6 167

        Summary 169

    Chapter 7 Multicast Forwarding 171

        Layer 2 Multicast Forwarding 171

            IGMP in VXLAN BGP EVPN Networks 174

        Layer 2 Multicast Forwarding in vPC 178

        Layer 3 Multicast Forwarding 182

        Summary 184

        References 184

    Chapter 8 External Connectivity 185

        External Connectivity Placement 185

            External Layer 3 Connectivity 189

            U-Shaped and Full-Mesh Models 190

            VRF Lite/Inter-AS Option A 192

            LISP 195

            MPLS Layer 3 VPN (L3VPN) 200

            External Layer 2 Connectivity 203

        Classic Ethernet and vPC 204

        Extranet and Shared Services 206

            Local/Distributed VRF Route Leaking 207

            Downstream VNI Assignment 210

        Summary 212

        Reference 212

    Chapter 9 Multi-Pod, Multifabric, and Data Center Interconnect (DCI) 213

        Contrasting OTV and VXLAN 213

        Multi-Pod 219

            Interconnection at the Spine Layer 227

            Interconnection at the Leaf Layer 227

    Multifabric 228

            Inter-pod/Interfabric 231

            Interfabric Option 1: Multi-Pod 232

            Interfabric Option 2: Multifabric 233

            Interfabric Option 3 (Multisite for Layer 3) 235

            Interfabric Option 4 (Multisite for Layer 2) 236

        Summary 238

        References 238

    Chapter 10 Layer 4—7 Services Integration 241

        Firewalls in a VXLAN BGP EVPN Network 242

            Routing Mode 242

            Bridging Mode 244

            Firewall Redundancy with Static Routing 245

            Static Route Tracking at a Service Leaf 248

            Static Routing at a Remote Leaf 248

            Physical Connectivity 249

        Inter-Tenant/Tenant-Edge Firewall 250

            Services-Edge Design 254

            Intra-Tenant Firewalls 254

            Mixing Intra-Tenant and Inter-Tenant Firewalls 260

        Application Delivery Controller (ADC) and Load Balancer in a VXLAN BGP

            EVPN Network 262

            One-Armed Source-NAT 262

            Direct VIP Subnet Approach 263

            Indirect VIP Subnet Approach 264

            Return Traffic 265

            Service Chaining: Firewall and Load Balancer 267

        Summary 271

        References 271

    Chapter 11 Introduction to Fabric Management 273

        Day-0 Operations: Automatic Fabric Bring-Up 275

            In-Band Versus Out-of-Band POAP 276

            Other Day-0 Considerations 278

        Day-0.5 Operations: Incremental Changes 279

        Day-1 Operations: Overlay Services Management 280

        Virtual Topology System (VTS) 282

        Nexus Fabric Manager (NFM) 282

        Data Center Network Manager (DCNM) 283

            Compute Integration 283

            Day-2 Operations: Monitoring and Visibility 285

        VXLAN OAM (NGOAM) 294

        Summary 299

        References 299

    Appendix A VXLAN BGP EVPN Implementation Options 303

    9781587144677, TOC, 3/16/17