I am grateful to the many people who have helped with this text. My sincere thanks go to the following technical consultants:
• Danny Bosch and Matthew Peralta for sharing their expertise with optical networks and unshielded twisted pair cabling, and Don Yates for his help with the initial Net-Challenge software.
• Byron Hicks, for his helpful suggestions on the configuring, managing, and troubleshooting sections.
• Todd Bowman, CCIE#6316, for guiding me through the challenging routing protocols, wide area networking, managing a campus type network, and network security.
I would also like to thank my many past and present students for their help with this book.
• David Potts, Jonathan Trejo and Nate Murillo for their work on the ...