Nortel Networks Layer 3 Switching Author:Regis J. Bates, Zeecil Kimmel Eagerly anticipated by network professionals everywhere, Layer 3 switching is a new, highly functional way of combining movement of voice, data, and video over a single, easy-to-operate switching system. This book is the definitive guide to Layer 3 switching, written by the leading author in the area of voice and data communications, Bud Bates.