This is today's best single source for the techniques you need to troubleshoot key BGP issues for all these Cisco operating systems: Cisco IOS, IOS XR, and NxOS. Bringing together content previously spread across multiple sources and Cisco Press titles, it covers updated various BGP design implementations found in blended service providers and enterprise environments and shows exactly how to troubleshoot them. Two expert authors emphasize the BGP-related problems you're most likely to encounter in real-world deployments, including problems that have caused massive network outages in recent years. They address important troubleshooting topics such as BGP Slow-peer, RT-Constraint filtering, and BGP route missing, and offer important coverage of datacenter troubleshooting in VxLAN BGP EVPN environments. You'll also find expert coverage of scalability and convergence issues and solutions. For each feature, key concepts are presented, followed by basic configuration and detailed troubleshooting techniques, complete with illustrations. Wherever appropriate, significant platform specific behaviors are described and analyzed. Troubleshooting BGP will be an indispensable technical resource for all network consultants, system/support engineers, network operations professionals and CCNP/CCIE certification candidates working with BGP in any environment -- enterprise, service provider, or datacenter."