BRIEF CONTENTS -- CONTENTS IN DETAIL -- Introduction -- What This Book Will Teach You -- Where You Can Learn the Rest -- Unpacking the Router -- Console Setup -- Other Router Ports -- Power-On -- 1: Befriending the Command Line -- EXEC versus Privileged EXEC Mode -- Integrated Help -- Command Abbreviation -- 2: Router Configuration -- Running versus Startup -- Startup Configuration -- Running Configuration -- Reading a Configuration -- Configuring the Router -- Configuring a Particular Interface -- Backing Up Router Configurations -- 3: Router Interfaces -- Got Interface? -- Common Interface Characteristics -- Configuring Interfaces -- Ethernet Interfaces -- Configuring Ethernet Interfaces -- Serial Interfaces -- Configuring Serial Interfaces -- Other Interfaces -- Loopback Interfaces -- Null Interfaces -- 4: Wide Area Network Connections -- Internet Connections -- Choosing an ISP -- ISP Router Configuration -- Private Connections -- Choosing Equipment -- Ordering Circuits -- Private Circuit Configuration -- Private Circuit IP Addresses -- Routing Configuration -- Plugging It All Together -- 5: Troubleshooting Routers -- Router Crashes -- Network Failure -- Initial Circuit Tests -- Circuit Design -- Examining the Circuit -- Interface Debugging Information -- Extended Pings and Circuit Troubleshooting -- Phoning the ISP -- Circuit Loopback Tests -- If It's Your Problem -- 6: IOS Changes -- Cisco Security Notifications -- Upgrade Preparations -- IOS Versions -- Choosing Your IOS Version -- Find the Current IOS Image -- Viewing Disk Contents -- Copying Files -- Performing the Upgrade -- IOS Installation -- Managing Multiple IOS Images -- Disaster Recovery -- 7: Redundancy with BGP and HSRP -- BGP Basics -- What BGP Isn't -- BGP Preparations -- Router Features -- ISPs with BGP -- IP Addresses -- Getting an ASN -- Routing Registries -- Configuring BGP.

Your Address Announcements -- A Complete BGP Configuration -- Managing BGP -- Viewing Routes -- Resetting BGP -- Load Balancing BGP -- Propagation of BGP Updates -- Hot Standby Router Protocol -- What Is HSRP? -- Tuning HSRP -- BGP and HSRP -- Testing HSRP -- 8: Cisco Switches -- CatOS, IOS, and Hybrid Mode -- Spanning Tree -- Configuring Switch Interfaces -- Cisco Discovery Protocol -- CDP Security -- Viewing ARP Caches and Finding Hosts -- Viewing MAC Addresses -- Finding Host Connections -- 9: Logins, Authentication, and Remote Access -- Lines -- Passwords -- Usernames -- Making Lines Check Usernames -- Remote Router Access -- Enabling Telnet -- Enabling SSH -- 10: Cisco Network Services -- Cisco AutoSecure -- NTP -- Basics of NTP -- Configuring NTP -- Checking NTP -- Router Logging -- Local Logging -- Syslog Basics -- SNMP -- IP Addresses and Netmasks -- What Is an IP Address? -- Practical Netmasks -- Netmasks and BGP -- Index -- Updates.