The definitive IS-IS reference and design guideExtensive coverage of both underlying concepts and practical applications of the IS-IS protocolDetailed explanation of how the IS-IS database works and relevant insights into the operation of the shortest path first (SPF) algorithmComprehensive tutorial on configuring and troubleshooting IS-IS on Cisco routersAdvanced information on IP network design and performance optimization strategies using IS-ISNetwork design case studies provide a practical perspective of various design strategiesComprehensive overview of routing and packet-switching mechanisms on modern routersA collection of IS-IS packet formats and analyzer decodes useful for mastering the nuts and bolts of the IS-IS protocol and troubleshootin...