Cisco ME 3400 Series Ethernet Access Switches are a series of next-generation Layer 2 and Layer 3 customer-located devices for service providers. Its design is based on the experience learned from today's most widely deployed access switches, the Cisco Catalyst 2950 and 3550 Series.With service provider-friendly hardware and mission-specific software, the Cisco ME 3400 Series is the first Cisco access switch family optimized for both Ethernet-to-the-Home (ETTH) triple-play services and Ethernet-to-the-Business (ETTB) VPN services. It provides a complete security solution for Metro Ethernet access that includes subscriber, switch, and network protection. The Cisco ME 3400 Series supports multiple software images to provide a "pay-as-you-grow" deployment model. With service breadth spanning triple-play and Layer 2 and Layer 3 VPN services, lower total cost of ownership (TCO) and operating expenses can be achieved from a single ETTH and ETTB access solution.