IP Routing Protocols

INTRODUCTION

This chapter explains how bridges interconnect LANs. The focus is on learning and spanning tree bridges, those bridges that perform many of their operations automatically. We examine token ring bridges, also known as source routing bridges. The chapter provides examples of how the LLC protocol, configured with the type 2 option, is accommodated in a wide area internet. The chapter also explains the operations of a bridge that connects LANs on a point-to-point link to WANs, known as a half-bridge.