Configuring VLANs

It may come as a surprise to you, but configuring VLANs is actually pretty easy. Figuring out which users you want in each VLAN is not; it’s extremely time consuming. But once you’ve decided on the number of VLANs you want to create and established which users you want to belong to each one, it’s time to bring your first VLAN into the world.

Figure 11-8: “Router on a stick”

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To configure VLANs on a Cisco Catalyst switch, use the global config vlan command. In the following example, I’m going to demonstrate how to configure VLANs on the S1 switch by creating three VLANs for three different departments—again, remember that VLAN ...

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