Part 1 Cisco TCP/IP professional reference: routers basics; TCP/IP communications; configuring Cisco routers; the importance of firewalls; routing protocols used in TCP/IP; adding support for legacy LANs; supporting popular WAN technologies; building a TCP/IP router-based network; troubleshooting routers. Part 2 Advanced IP routing with Cisco networks: TCP/IP basics - TCP/IP overview, how routing works; interior routing - static routes, classful interior routing, classless routing, integrating multiple routing protocols; connecting to the outside - network address translation, static internet connectivity, border gateway protocol internet connectivity; additional topics - troubleshooting. Part 3 Cisco router OSFC - design and implementation guide: Internet protocols and the OSI model; distance vector IP routing protocols; open shortest path first (OSFC); IP routing protocol; configuring OSFC routing with Cisco routers; OSFC design examples; monitoring and debugging the OSFC network.