Chapter 2. Configure and Troubleshoot L2/L3 Network Infrastructure to Support WLANs

This chapter covers concepts on the network infrastructure side that are crucial for successfully implementing an end-to-end enterprise wireless LAN (WLAN) solution.

Configure and Troubleshoot Wired Infrastructure to Support WLANs

VLANs

A virtual LAN (VLAN) operates at Layer 2 and groups hosts with a common set of requirements that communicate as if they were attached to the same broadcast domain, regardless of their physical location. In large networks, VLANs are implemented with the goal of reducing the size of the collision domain and thus improving performance. VLANs are usually associated with an IP subnetwork.

More information about configuring VLANs can ...

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