ISBN-13: 9780072130485 / Angielski / Miękka / 2001 / 601 str.
VPNs (Virtual Private Networks) allow for secure communications over publicly shared infrastructure, such as the Internet. This is a guide to implementing Cisco private networks, as well as providing an overview of VPNs. The guide contains blueprints that show the reader how the technology fits into the network architecture. Each chapter provides a technical overview of the technology, the commands and hardware required to implement the technology and a case study.