About the Technical Reviewers

Brian Morgan, CCIE #4865, CCSI, is the Director of Data Network Engineering at Allegiance Telecom, Inc. He has been in the networking industry for more than 12 years . Before going to Allegiance, Morgan was an instructor/consultant teaching ICND, BSCN, BSCI, CATM, CVOICE, and BCRAN. He is a co-author of the Cisco CCNP Remote Access Exam Certification Guide and a technical editor of numerous Cisco Press titles.

Harold Ritter, CCIE # 4168, is a network consulting engineer for Cisco Advanced Network Services. He is res-ponsible for helping Cisco top- tier customers to design, implement, and troubleshoot routing protocols in their environment. He has been working as a network engineer for more than eight years.

John Tiso, CCIE #5162, is one of the senior technologists of NIS, a Cisco Systems Silver partner. He has a bachelor of science degree from Adelphi University. Tiso also holds the CCDP certification, Cisco Security and Voice Access Specializations, and Sun Microsystems, Microsoft, and Novell certifications. He has been published in several industry publications . He can be reached through e-mail at [e-mail].