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, 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, and Power over Ethernet (PoE).