D-Links x Stack 20-port Security Gigabit Switch is a fully managed Layer 2 switch with IPv 6 support, intended to provide complete End-to-End Security (E2ES) at the edge of enterprise networks. This integrated security solution combines switches, firewall & Wireless LAN by supporting a number of features including 802.1X Access Control, Guest VLAN, RADIUS & TACAS+ authentication, along with Web-based Access Control (WAC) & MAC-based Access Control (MAC). With IP-MAC-Port Binding, administrators can bind a source IP address with an associated MAC & also define the port number to enhance user access control. The switch also supports DHCP Screening, a feature that denies access to rogue DHCP servers.D-Links joint security solution provides admission control & real-time defense through Microsofts NAP (Network Access Protection) & D-Links Zone Defense respectively. Zone Defense technology allows businesses to integrate their switches with D-Links Net Defend firewalls, for full coverage & proactive security architecture. With D-Link Safeguard Engine, the switch remains available in the event of a virus outbreak. In addition, the switch provides a virtual stacking functionality via D-Link SIM technology, which allows up to 32 units to be managed via a single IP address. The switch is certified with the IPv 6 Ready Logo Phase 2, guaranteeing compliance & interoperability with other IPv 6 products. The DGS-3200-24 is also D-Link Green certified, for the energy savings that it provides without sacrificing operational performance or functionality.