The Ethernet Routing Switch 4500 Series provides high-performance, resilient Ethernet switching with stacking capabilities. It supports 10/100 and 10/100/1000 switching with Power-over-Ethernet and 10 Gigabit Ethernet uplink options. The switch delivers Layer 2 switching, dynamic Layer 3 routing, advanced convergence features, resilient stacking, distributed trunking, power redundancy, and reduced power consumption. It can automatically configure QoS and VLAN settings for IP phones and supports standards-based 802.1X security and identity management.