Welcome to the JNCIS-ENT Switching Study Guide. The purpose of this guide is to help you prepare for your JN0-343 exam and achieve your JNCIS-ENT Switching credential. The contents of this document are based on the Junos Enterprise Switching course. This study guide is designed to provide students with introductory switching knowledge and configuration examples. This study guide includes an overview of switching concepts and operations, virtual LANs (VLANs), spanning tree protocol, port and device security features, and high-availability features. This study guide is based on the Junos operating system Release 12.1R1.9.
Agenda Chapter 1: Layer 2 Switching Chapter 2: Virtual Networks Chapter 3: Spanning Tree Chapter 4: Port Security Chapter 5: Device Security and Firewall Filters Chapter 6: Virtual Chassis Chapter 7: High Availability Features Appendix A: Ethernet Ring Protection Switching Appendix B: Multiple Spanning Tree Protocol