This Layer 2 Ethernet switch is designed for enterprise networks demanding high security and intelligence. In metropolitan area networks or various industry networks, it connects end users or aggregates client devices with 10/100 Mbps connections, converging at a higher capacity switch with 1000 Mbps interfaces. Features include advanced quality of service (QoS), rate limiting, QinQ (virtual LAN [VLAN]/VPN), SSHv2, Multicast VLAN Registration (MVR), Virtual Cable Test (VCT), HGMP V2, GARP VLAN Registration Protocol (GVRP), access control list (ACL), media access control (MAC)-IP-port binding, and endpoint admission defense, voice and protocol-based VLAN, Internet group management protocol snooping.