H3C S5500-EI is a series of enhanced IPv6 L3 10GE switches developed by H3C, S5500-EI series have abundant service features. It supports at most four 10GE extension ports that can satisfy the bandwidth requirements and supports IPv4/IPv6 hardware dual-stack and wire-speed forwarding so that customers can feel at ease to face the coming IPv6 era. Moreover, the excellent security, reliability and multi-service support capability enable the switch series to become the first choice as equipment in the convergence layer of large enterprise networks or campus networks, the core layer of medium- and small-sized enterprise networks, and the edge layer of MANs. Features: Manufactured by: 3COM Model/Part: 0235A24U Flow control, layer 3 switching, ARP support, VLAN support Weighted Round Robin (WRR) queuing, MAC address filtering, IPv6 support, IP address filtering Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support Quality of Service (QoS)