Chapter 2. Bridging, VLAN Mapping, IRB, and Virtual Switches

This chapter covers the bridging, VLAN mapping, Integrated Routing and Bridging (IRB), and virtual switch features of the Juniper MX. As you make your way through this chapter, feel free to pause and reflect on the differences between traditional bridging and advanced bridging, and where this could solve some interesting challenges in your network. Many readers may not be familiar with advanced bridging, and we encourage you to read this chapter several times. Throughout this chapter, you’ll find that features such as bridge domains, learning domains, and VLAN mapping are tightly integrated, and it may be a bit challenging to follow the first time through; however, as you reread the chapter a second time, many features and caveats will become clear.

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