Josh Loveless, CCIE No. 16638, is a systems engineering manager for Cisco Systems. He has been with Cisco since 2012, providing architecture and support services for tier 1 service providers as well as for many of Cisco’s largest enterprise customers, specializing in large-scale routing and switching designs. Prior to joining Cisco, he spent 15 years working for large service providers and enterprises as both an engineer and an architect, as well as providing training and architecture services to some of Cisco’s trusted partners. Josh maintains two CCIE certifications, Routing and Switching and Service Provider.Ray Blair, CCIE No. 7050, is a distinguished systems engineer and has been with Cisco Systems since 1999. He uses his years of experience to align technology solutions with business needs to ensure customer success. Ray started his career in 1988, designing industrial monitoring and communication systems. Since that time, he has been involved with server/database administration and the design, implementation, and management of networks that included networking technologies from ATM to ZMODEM. He maintains three CCIE certifications in Routing and Switching, Security, and Service Provider (No. 7050), and he is also a Certified Information Systems Security Professional (CISSP), and a Certified Business Architect (No. 00298). Ray is coauthor of three Cisco Press books, Cisco Secure Firewall Services Module, Tcl Scripting for Cisco IOS, and IP Multicast, Volume 1. He speaks at many industry events and is a Cisco Live distinguished speaker.Arvind Durai, CCIE No. 7016, is a director of solution integration for Cisco Advanced Services. Arvind is a chief architect for advanced services for the West Enterprise Region, an organization of around 100 consultants focused on customer success for approximately 150 enterprise accounts. Over the past 18 years, Arvind has been responsible for supporting major Cisco customers in the enterprise sector, including financial, retail, manufacturing, e-commerce, state government, utility, and health care sectors. Some of his focuses have been on security, multicast, network virtualization, data center enterprise cloud adoption, automation, and software-defined infrastructure, and he has authored several white papers on various technologies. He has been involved in multicast designs for several enterprise customers in different verticals. He is also one of the contributors to the framework for the Advanced Services Multicast Audit tool, which helps customers assess their operational multicast network to industry best practices. Arvind maintains two CCIE certifications, Routing and Switching and Security, and also is a Certified Business Architect. He holds a bachelor of science degree in electronics and communication, a master’s degree in electrical engineering, and a master’s degree in business administration. He has coauthored four Cisco Press books: Cisco Secure Firewall Services Module, Virtual Routing in the Cloud, Tcl Scripting for Cisco IOS, and IP Multicast:, Volume 1. He has also coauthored IEEE WAN smart grid architecture and presented in many industry forums, such as IEEE and Cisco Live.

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• Introduction xivChapter 1 Interdomain Routing and Internet Multicast 1Introduction to Interdomain Multicast 1What Is a Multicast Domain? A Refresher 6PIM Domain Design Types 14Forwarding Between Domains 19Autonomous System Borders and Multicast BGP 22Domain Borders and Configured Multicast Boundaries 32Multicast Source Discovery Protocol 38Understanding Source Actives (SA) and MSDP Mechanics 47Configuring and Verifying MSDP 50Basic MSDP Deployment Use Case 56Intradomain versus Interdomain Design Models 62Intra-AS Multidomain Design 62Inter-AS and Internet Design 72Protecting Domain Borders and Interdomain Resources 82Interdomain Multicast Without Active Source Learning 88Summary 97References 97Chapter 2 Multicast Scalability and Transport Diversification 99Why Is Multicast Not Enabled Natively in a Public Cloud Environment? 99Enterprise Adoption of Cloud Services 99Cloud Connectivity to an Enterprise 101Virtual Services in a Cloud 103Service Reflection Feature 105Multicast Traffic Engineering 117Enabling Multicast to the CSP Use Case 1 132Enabling Multicast to the CSP Use Case 2 134Summary 135Chapter 3 Multicast MPLS VPNs 137Multicast in an MPLS VPN Network 138Multicast Distribution Tree (MDT) 139Default MDT 139Data MDT 142Default MDT in Action 148Multicast LDP (MLDP) 160FEC Elements 161In-Band Signaling Operation 162Out-of-Band (Overlay) Signaling Operation 163Default MDT MLDP 164Default MDT MLDP Root High Availability 164MLDP in Action 165Profiles 181Migrating Between Profiles 185Provider (P) Multicast Transport 186PE—CE Multicast Routing 186CE—CE Multicast Routing 187PE—PE Ingress Replication 187Multicast Extranet VPNs 192IPv6 MVPN 202Bit Index Explicit Replication (BIER) 202Summary 205References 206Chapter 4 Multicast in Data Center Environments 207Multicast in a VPC Environment 207Multicast Flow over a VPC 208VXLAN 211VTEP 211VXLAN Flood and Learn 213VXLAN with EVPN 216Host-to-Host Multicast Communication in VXLAN 224Multicast in ACI Data Center Networks 227ACI Fabrics and Overlay Elements 229Layer 2 IGMP Snooping in ACI 231Layer 3 Multicast in ACI 232Summary 235Chapter 5 Multicast Design Solutions 237Multicast-Enabled Clinical Networks 238Accommodating Medical Device Communications Through Multicast 240Multicast Considerations for Wireless Networks 246Multicast in Multitenant Data Centers 254ACI Multitenant Multicast 258Multicast and Software-Defined Networking 260LISP Map Resolver (MR)/Map Server (MS) 263LISP PETRs/PITRs 264LISP and Multicast 265Multicast in Utility Networks 267PMU 268Radio over IP Design 269Multicast-Enabled Markets 269Multicast Design in a Market Data Environment 271FSP Multicast Design 273Brokerage Multicast Design 273Service Provider Multicast 274Service Provider PIM-Type Selection and RP Placement 275IPTV Delivery over Multicast 279Summary 282References 282Chapter 6 Advanced Multicast Troubleshooting 283Troubleshooting Interdomain Multicast Networks 285Troubleshooting PIM with Traffic Engineering 301Troubleshooting MVPN 314Verifying Multicast in VXLAN 322Summary 3269781587144936, TOC, 2/26/2018

Josh Loveless, CCIE No. 16638, is a systems engineering manager for Cisco Systems. He has been with Cisco since 2012, providing architecture and support services for tier 1 service providers as well as for many of Cisco’s largest enterprise customers, specializing in large-scale routing and switching designs. Prior to joining Cisco, he spent 15 years working for large service providers and enterprises as both an engineer and an architect, as well as providing training and architecture services to some of Cisco’s trusted partners. Josh maintains two CCIE certifications, Routing and Switching and Service Provider.Ray Blair, CCIE No. 7050, is a distinguished systems engineer and has been with Cisco Systems since 1999. He uses his years of experience to align technology solutions with business needs to ensure customer success. Ray started his career in 1988, designing industrial monitoring and communication systems. Since that time, he has been involved with server/database administration and the design, implementation, and management of networks that included networking technologies from ATM to ZMODEM. He maintains three CCIE certifications in Routing and Switching, Security, and Service Provider (No. 7050), and he is also a Certified Information Systems Security Professional (CISSP), and a Certified Business Architect (No. 00298). Ray is coauthor of three Cisco Press books, Cisco Secure Firewall Services Module, Tcl Scripting for Cisco IOS, and IP Multicast, Volume 1. He speaks at many industry events and is a Cisco Live distinguished speaker.Arvind Durai, CCIE No. 7016, is a director of solution integration for Cisco Advanced Services. Arvind is a chief architect for advanced services for the West Enterprise Region, an organization of around 100 consultants focused on customer success for approximately 150 enterprise accounts. Over the past 18 years, Arvind has been responsible for supporting major Cisco customers in the enterprise sector, including financial, retail, manufacturing, e-commerce, state government, utility, and health care sectors. Some of his focuses have been on security, multicast, network virtualization, data center enterprise cloud adoption, automation, and software-defined infrastructure, and he has authored several white papers on various technologies. He has been involved in multicast designs for several enterprise customers in different verticals. He is also one of the contributors to the framework for the Advanced Services Multicast Audit tool, which helps customers assess their operational multicast network to industry best practices. Arvind maintains two CCIE certifications, Routing and Switching and Security, and also is a Certified Business Architect. He holds a bachelor of science degree in electronics and communication, a master’s degree in electrical engineering, and a master’s degree in business administration. He has coauthored four Cisco Press books: Cisco Secure Firewall Services Module, Virtual Routing in the Cloud, Tcl Scripting for Cisco IOS, and IP Multicast:, Volume 1. He has also coauthored IEEE WAN smart grid architecture and presented in many industry forums, such as IEEE and Cisco Live.

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• Introduction xivChapter 1 Interdomain Routing and Internet Multicast 1Introduction to Interdomain Multicast 1What Is a Multicast Domain? A Refresher 6PIM Domain Design Types 14Forwarding Between Domains 19Autonomous System Borders and Multicast BGP 22Domain Borders and Configured Multicast Boundaries 32Multicast Source Discovery Protocol 38Understanding Source Actives (SA) and MSDP Mechanics 47Configuring and Verifying MSDP 50Basic MSDP Deployment Use Case 56Intradomain versus Interdomain Design Models 62Intra-AS Multidomain Design 62Inter-AS and Internet Design 72Protecting Domain Borders and Interdomain Resources 82Interdomain Multicast Without Active Source Learning 88Summary 97References 97Chapter 2 Multicast Scalability and Transport Diversification 99Why Is Multicast Not Enabled Natively in a Public Cloud Environment? 99Enterprise Adoption of Cloud Services 99Cloud Connectivity to an Enterprise 101Virtual Services in a Cloud 103Service Reflection Feature 105Multicast Traffic Engineering 117Enabling Multicast to the CSP Use Case 1 132Enabling Multicast to the CSP Use Case 2 134Summary 135Chapter 3 Multicast MPLS VPNs 137Multicast in an MPLS VPN Network 138Multicast Distribution Tree (MDT) 139Default MDT 139Data MDT 142Default MDT in Action 148Multicast LDP (MLDP) 160FEC Elements 161In-Band Signaling Operation 162Out-of-Band (Overlay) Signaling Operation 163Default MDT MLDP 164Default MDT MLDP Root High Availability 164MLDP in Action 165Profiles 181Migrating Between Profiles 185Provider (P) Multicast Transport 186PE—CE Multicast Routing 186CE—CE Multicast Routing 187PE—PE Ingress Replication 187Multicast Extranet VPNs 192IPv6 MVPN 202Bit Index Explicit Replication (BIER) 202Summary 205References 206Chapter 4 Multicast in Data Center Environments 207Multicast in a VPC Environment 207Multicast Flow over a VPC 208VXLAN 211VTEP 211VXLAN Flood and Learn 213VXLAN with EVPN 216Host-to-Host Multicast Communication in VXLAN 224Multicast in ACI Data Center Networks 227ACI Fabrics and Overlay Elements 229Layer 2 IGMP Snooping in ACI 231Layer 3 Multicast in ACI 232Summary 235Chapter 5 Multicast Design Solutions 237Multicast-Enabled Clinical Networks 238Accommodating Medical Device Communications Through Multicast 240Multicast Considerations for Wireless Networks 246Multicast in Multitenant Data Centers 254ACI Multitenant Multicast 258Multicast and Software-Defined Networking 260LISP Map Resolver (MR)/Map Server (MS) 263LISP PETRs/PITRs 264LISP and Multicast 265Multicast in Utility Networks 267PMU 268Radio over IP Design 269Multicast-Enabled Markets 269Multicast Design in a Market Data Environment 271FSP Multicast Design 273Brokerage Multicast Design 273Service Provider Multicast 274Service Provider PIM-Type Selection and RP Placement 275IPTV Delivery over Multicast 279Summary 282References 282Chapter 6 Advanced Multicast Troubleshooting 283Troubleshooting Interdomain Multicast Networks 285Troubleshooting PIM with Traffic Engineering 301Troubleshooting MVPN 314Verifying Multicast in VXLAN 322Summary 3269781587144936, TOC, 2/26/2018