. Nếu trunking được kích hoạt, số VLAN sẽ được đáng kể trên toàn bộ miền trunking. Nói cách khác, VLAN sẽ được vận chuyển đến tất cả các chuyển đổi mà có một liên kết trunk hỗ trợ VLAN. | 10 Chapter 1 What Is SAFE SAFE Wireless LAN Security in Depth-Version 2 The SAFE Wireless LAN Security in Depth-Version 2 white paper discusses wireless LAN WLAN implementations with a focus on the overall security of the design. Among the best practices this white paper recommends is to consider network design elements such as mobility and quality of service QoS . This white paper describes the following design objectives listed in order of priority Security and attack mitigation based on policy Authentication and authorization of users to wired network resources Wireless data confidentiality User differentiation Access point management Authentication of users to network resources Options for high availability large enterprise only This document begins with an overview of the architecture and then details four wireless network designs. These designs are for large medium-sized small and remote-user WLANs. This white paper also introduces six new axioms into SAFE Wireless networks are targets. Wireless networks are weapons. is insecure. Security extensions are required. Network availability impacts wireless. User differentiation occurs in wireless LANs. SAFE IP Telephony Security in Depth The SAFE IP Telephony Security in Depth white paper covers best-practice information for designing and implementing secure IP telephony networks. Like the other two SAFE in Depth white papers previously discussed this white paper focuses on one technology and details how to best secure that technology within the overall context of SAFE. Similar to the SAFE Wireless white paper SAFE IP Telephony Security in Depth covers several deployment models for IP telephony ranging from a large network deployment to a small network deployment. The base premise of the white paper is that the IP telephony deployment must provide secure ubiquitous IP telephony services to the locations and users that require it while maintaining as Looking Toward the Future 11 many of the characteristics of
