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Cisco EtherSwitch network and interface card modules are innovative solutions that can reduce total cost of ownership for customers by optionally integrating switch ports within a router. This integrated approach allows network administrators to manage a single device utilizing the router command-line interface (CLI) for LAN and WAN management needs; reducing network complexity, IT staff training needs, equipment sparing requirements, and maintenance costs. The new Cisco EtherSwitch service modules greatly expand the capabilities of integrated switching within Cisco routers by providing support for new features such as IEEE 802.3af Power over Ethernet (PoE), local Layer 3 switching, Cisco Network Assistant and Cisco Emergency Responder, and Cisco StackWise interfaces, as well as software feature parity with Cisco Catalyst 3750 Series switches. Additionally, the new Cisco EtherSwitch service modules are the first modules that can take full advantage of the increased performance capabilities and new form factors of the enhanced network module slot on Cisco Integrated Services Routers.