This document provides an overview of several Layer 2 services and protocols and their configuration on ADTRAN switch engine (ASE) products. Included in this guide are brief introductions to the following Layer 2 services: Link Aggregation (LAG), Link Aggregation Control Protocol (LACP), Media Access Control (MAC) Address Table, Virtual LANs (VLANs), Port Mirroring and Remote Mirroring (RMirror), Generic VLAN Registration Protocol (GVRP), and multiple spanning tree protocols. Also included are the configuration procedures for these features, using both the graphical user interface (GUI) and command line interface (CLI), configuration examples, and a brief troubleshooting section.