Layer 2 Vpn Architectures [Electronic resources] نسخه متنی

Chapter 4. LAN Protocols

Ethernet background and encapsulation overview

Metro Ethernet overview

Metro Ethernet service architectures

Understanding Spanning Tree Protocol

Pure Layer 2 Implementation

802.1q Tunneling

Now that you've learned the fundamental concepts behind Layer 2 VPNs and pseudowire emulation described in Part I, "Foundation," you need to familiarize yourself with Layer 2 protocols. This chapter describes LAN protocols. Here, you get an overview of Ethernet technology as well as read about the technological and business requirements of both enterprise customers and service providers that are driving the implementation of Metro Ethernet. Finally, you discover the Layer 2 technologies that are available today for transporting traffic over higher-bandwidth circuits.