For network administrators and network engineers who need to understand, configure, design, and troubleshoot, on a variety of networks using Cisco products. After introducing LAN and WAN protocols, the author provides an overview of the technologies, including reference charts and product capabilities and port densities. LAN switching technologies are explored, inc luding VLAN configuration, STP, MLS, queuing techniques, and SLB switching. Static routing and more complex routing scenarios is the topic of the final section, with a chapter on securing Cisco routers with access lists. The appendix contains an index of the 540 commands covered in the book, including descriptions, syntax, and modes of operation. Annotation c. Book News, Inc., Portland, OR (booknews.com)