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Building Data Centers with VXLAN BGP EVPN
Building Data Centers with VXLAN BGP EVPN
David Jansen Meer over de auteurs
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Building Data Centers with VXLAN BGP EVPN

A Cisco NX-OS Perspective
Specificaties
Paperback, blz. | Engels
Pearson Education | e druk, 2017
ISBN13: 9781587144677
Rubricering
Juridisch :
Pearson Education e druk, 2017 9781587144677
Onderdeel van serie Networking Technology
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Samenvatting

This is the only comprehensive guide and deployment reference for building flexible data centre 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 centre fabrics are evolving, and introduce Cisco’s fabric journey. Next, they review key switch roles, essential data centre 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 customised deployments. This guide concludes with a full section on fabric management, introducing multiple opportunities to simplify, automate, and orchestrate data centre network fabrics. Learn how changing data centre 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

Specificaties

ISBN13:9781587144677
Taal:Engels
Bindwijze:Paperback
Uitgever:Pearson Education
Hoofdrubriek:Netwerken, Computer en informatica
Serie:Networking Technology

Inhoudsopgave

&nbsp;&nbsp;&nbsp; Introduction xv <br>Chapter 1 Introduction to Programmable Fabric 1 <br>&nbsp;&nbsp;&nbsp; Today’s Data Center Challenges and Requirements 2 <br>&nbsp;&nbsp;&nbsp; The Data Center Fabric Journey 3 <br>&nbsp;&nbsp;&nbsp; Cisco Open Programmable Fabric 10 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Fabric-Related Terminology 13 <br>&nbsp;&nbsp;&nbsp; Data Center Network Fabric Properties 14 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Server or Endpoint Connectivity Options 15 <br>&nbsp;&nbsp;&nbsp; Summary 17 <br>&nbsp;&nbsp;&nbsp; References 17 <br>Chapter 2 VXLAN BGP EVPN Basics 21 <br>&nbsp;&nbsp;&nbsp; Overlays 23 <br>&nbsp;&nbsp;&nbsp; Introduction to VXLAN 27 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VXLAN Flood and Learn (F&amp;L) 30 <br>&nbsp;&nbsp;&nbsp; Introduction to BGP EVPN with VXLAN 32 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MP-BGP Features and Common Practices 34 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IETF Standards and RFCs 37 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Host and Subnet Route Distribution 40 <br>&nbsp;&nbsp;&nbsp; Host Deletion and Move Events 46 <br>&nbsp;&nbsp;&nbsp; Summary 48 <br>&nbsp;&nbsp;&nbsp; References 49 <br>Chapter 3 VXLAN/EVPN Forwarding Characteristics 53 <br>&nbsp;&nbsp;&nbsp; Multidestination Traffic 54 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Leveraging Multicast Replication in the Underlying Network 55 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Using Ingress Replication 58 <br>&nbsp;&nbsp;&nbsp; VXLAN BGP EVPN Enhancements 60 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ARP Suppression 60 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Distributed IP Anycast Gateway 65 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Integrated Route and Bridge (IRB) 69 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Endpoint Mobility 73 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Virtual PortChannel (vPC) in VXLAN BGP EVPN 76 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DHCP 81 <br>&nbsp;&nbsp;&nbsp; Summary 85 <br>&nbsp;&nbsp;&nbsp; References 85 <br>Chapter 4 The Underlay 87 <br>&nbsp;&nbsp;&nbsp; Underlay Considerations 88 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MTU Considerations 91 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IP Addressing 93 <br>&nbsp;&nbsp;&nbsp; IP Unicast Routing 99 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; OSPF as an Underlay 100 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IS-IS as an Underlay 102 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BGP as an Underlay 103 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IP Unicast Routing Summary 106 <br>&nbsp;&nbsp;&nbsp; Multidestination Traffic 107 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Unicast Mode 107 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Multicast Mode 109 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PIM Any Source Multicast (ASM) 112 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BiDirectional PIM (PIM BiDir) 114 <br>&nbsp;&nbsp;&nbsp; Summary 119 <br>&nbsp;&nbsp;&nbsp; References 119 <br>Chapter 5 Multitenancy 121 <br>&nbsp;&nbsp;&nbsp; Bridge Domains 123 <br>&nbsp;&nbsp;&nbsp; VLANs in VXLAN 124 <br>&nbsp;&nbsp;&nbsp; Layer 2 Multitenancy: Mode of Operation 129 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VLAN-Oriented Mode 130 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BD-Oriented Mode 131 <br>&nbsp;&nbsp;&nbsp; VRF in VXLAN BGP EVPN 132 <br>&nbsp;&nbsp;&nbsp; Layer 3 Multitenancy: Mode of Operation 134 <br>&nbsp;&nbsp;&nbsp; Summary 137 <br>&nbsp;&nbsp;&nbsp; References 138 <br>Chapter 6 Unicast Forwarding 139 <br>&nbsp;&nbsp;&nbsp; Intra-Subnet Unicast Forwarding (Bridging) 139 <br>&nbsp;&nbsp;&nbsp; Non-IP Forwarding (Bridging) 147 <br>&nbsp;&nbsp;&nbsp; Inter-Subnet Unicast Forwarding (Routing) 149 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Routed Traffic to Silent Endpoints 158 <br>&nbsp;&nbsp;&nbsp; Forwarding with Dual-Homed Endpoint 164 <br>&nbsp;&nbsp;&nbsp; IPv6 167 <br>&nbsp;&nbsp;&nbsp; Summary 169 <br>Chapter 7 Multicast Forwarding 171 <br>&nbsp;&nbsp;&nbsp; Layer 2 Multicast Forwarding 171 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IGMP in VXLAN BGP EVPN Networks 174 <br>&nbsp;&nbsp;&nbsp; Layer 2 Multicast Forwarding in vPC 178 <br>&nbsp;&nbsp;&nbsp; Layer 3 Multicast Forwarding 182 <br>&nbsp;&nbsp;&nbsp; Summary 184 <br>&nbsp;&nbsp;&nbsp; References 184 <br>Chapter 8 External Connectivity 185 <br>&nbsp;&nbsp;&nbsp; External Connectivity Placement 185 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; External Layer 3 Connectivity 189 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; U-Shaped and Full-Mesh Models 190 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VRF Lite/Inter-AS Option A 192 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; LISP 195 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MPLS Layer 3 VPN (L3VPN) 200 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; External Layer 2 Connectivity 203 <br>&nbsp;&nbsp;&nbsp; Classic Ethernet and vPC 204 <br>&nbsp;&nbsp;&nbsp; Extranet and Shared Services 206 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Local/Distributed VRF Route Leaking 207 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Downstream VNI Assignment 210 <br>&nbsp;&nbsp;&nbsp; Summary 212 <br>&nbsp;&nbsp;&nbsp; Reference 212 <br>Chapter 9 Multi-Pod, Multifabric, and Data Center Interconnect (DCI) 213 <br>&nbsp;&nbsp;&nbsp; Contrasting OTV and VXLAN 213 <br>&nbsp;&nbsp;&nbsp; Multi-Pod 219 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interconnection at the Spine Layer 227 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interconnection at the Leaf Layer 227 <br>Multifabric 228 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Inter-pod/Interfabric 231 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interfabric Option 1: Multi-Pod 232 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interfabric Option 2: Multifabric 233 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interfabric Option 3 (Multisite for Layer 3) 235 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interfabric Option 4 (Multisite for Layer 2) 236 <br>&nbsp;&nbsp;&nbsp; Summary 238 <br>&nbsp;&nbsp;&nbsp; References 238 <br>Chapter 10 Layer 4—7 Services Integration 241 <br>&nbsp;&nbsp;&nbsp; Firewalls in a VXLAN BGP EVPN Network 242 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Routing Mode 242 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Bridging Mode 244 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Firewall Redundancy with Static Routing 245 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Static Route Tracking at a Service Leaf 248 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Static Routing at a Remote Leaf 248 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Physical Connectivity 249 <br>&nbsp;&nbsp;&nbsp; Inter-Tenant/Tenant-Edge Firewall 250 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Services-Edge Design 254 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Intra-Tenant Firewalls 254 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mixing Intra-Tenant and Inter-Tenant Firewalls 260 <br>&nbsp;&nbsp;&nbsp; Application Delivery Controller (ADC) and Load Balancer in a VXLAN BGP <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; EVPN Network 262 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; One-Armed Source-NAT 262 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Direct VIP Subnet Approach 263 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Indirect VIP Subnet Approach 264 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Return Traffic 265 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Service Chaining: Firewall and Load Balancer 267 <br>&nbsp;&nbsp;&nbsp; Summary 271 <br>&nbsp;&nbsp;&nbsp; References 271 <br>Chapter 11 Introduction to Fabric Management 273 <br>&nbsp;&nbsp;&nbsp; Day-0 Operations: Automatic Fabric Bring-Up 275 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In-Band Versus Out-of-Band POAP 276 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Other Day-0 Considerations 278 <br>&nbsp;&nbsp;&nbsp; Day-0.5 Operations: Incremental Changes 279 <br>&nbsp;&nbsp;&nbsp; Day-1 Operations: Overlay Services Management 280 <br>&nbsp;&nbsp;&nbsp; Virtual Topology System (VTS) 282 <br>&nbsp;&nbsp;&nbsp; Nexus Fabric Manager (NFM) 282 <br>&nbsp;&nbsp;&nbsp; Data Center Network Manager (DCNM) 283 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Compute Integration 283 <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Day-2 Operations: Monitoring and Visibility 285 <br>&nbsp;&nbsp;&nbsp; VXLAN OAM (NGOAM) 294 <br>&nbsp;&nbsp;&nbsp; Summary 299 <br>&nbsp;&nbsp;&nbsp; References 299 <br>Appendix A VXLAN BGP EVPN Implementation Options 303 <br>9781587144677, TOC, 3/16/17 <br>&nbsp;&nbsp;&nbsp;&nbsp;
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