17.3. Configurations for Voice

It is time to take a look at how to configure your network devices to support voice traffic. You might remember that I mentioned in Chapter 2, "Switching," that I would come back to the configurations for voice traffic. I won't cover in detail here the creation of VLANs and how to set basic switchport commands. If you need a review of those things, refer back to Chapter 2. What I do cover are the commands for setting up a phone on a voice gateway (router). Figure 17.1 shows the basic setup that you learn to configure.

17.3.1. Switch Configuration

Most newer Cisco switches give you a feature called auxiliary VLAN. I look at auxiliary VLANs as rule breakers. In this case, a broken rule is a good thing and useful. ...

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