Cisco SM-X EtherSwitch SM, Layer 2/3 switching, 16 ports GE, POE+ capableThe Cisco SM X EtherSwitch Service Module is designed to bring high performance Layer 2 and Layer 3 switching directly into Cisco ISR platforms, delivering a compact, power efficient, and cost conscious solution for modern networks. By integrating 16 Gigabit Ethernet ports with PoE+ capability into Cisco 4451 X, 3900, and 2900 Series Integrated Services Routers, this module creates a scalable LAN edge that simplifies deployment, reduces equipment