The Catalyst 3000 series provides a stackable switching architecture that delivers Layer 2 and Layer 3, stackable software and VLAN switching for growing workgroup applications. The Catalyst 3000 series allows you to deploy switches in a variety of applications and protect your investment. Greater switching capacity or multilayer traffic management functions can be added through a flexible, cost-effective, stackable architecture.Catalyst 3200 switch is a modular chassis that has seven expansion slots including one FlexSlot. Stackable with other Catalyst 3200, Catalyst 3100, or Catalyst 3000 switches, the Catalyst 3200 can be configured with a wide variety of the Catalyst 3000 series expansion modules (up to seven) including a router/WAN module in the Catalyst 3200 FlexSlot. Redundant load-sharing power supplies are standard.