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The Cisco Catalyst® 4000 family Layer 3 Services solution is a cost-effective, high-performance, feature-rich, multiprotocol, modular Layer 3 device ideally suited for campus wiring closets that require Layer 3 Services, such as QoS and route switching. It supports high-speed routing and switching of IP, IPX, and IP multicast across all interfaces. This new Cisco Catalyst switch family enables all ports to Layer 3 switching with silicon-based acceleration that can scale higher in increments of 8 Gbps capacity. Perfect as a wiring closet desktop aggregator, it provides fast, intelligent Layer 3 connections to core switches with wire-rate Layer 3 Gigabit Ethernet ports that support standard GBIC technology, providing network managers the flexibility to select and change interfaces in the Cisco Catalyst 4000 switch quickly.