24-port 10/100/1000BASE-T Gigabit RJ45 copper 2 100/1000BASE-X mini-GBIC/SFP slots RJ45 console interface for switch basic management and setup Reset button for system factory default Hardware-based 10/100Mbps, half/full duplex and 1000Mbps full duplex mode, flow control and auto-negotiation, and auto MDI/MDI-X Features Store-and-Forward mode with wire-speed filtering and forwarding rates IEEE 802.3x flow control for full duplex operation and back pressure for half duplex operation 9K jumbo frame Automatic address learning and address aging Supports CSMA/CD protocol Supports VLANIEEE 802.1Q tagged VLAN Provider Bridging (VLAN Q-in-Q) support (IEEE 802.1ad) Protocol VLAN Voice VLAN Private VLAN (Protected port) Management VLAN GVRP Supports Spanning Tree ProtocolSTP (Spanning Tree Protocol) RSTP (Rapid Spanning Tree Protocol) MSTP (Multiple Spanning Tree Protocol) STP BPDU Guard, BPDU Filtering and BPDU Forwarding Supports Link AggregationIEEE 802.3ad Link Aggregation Control Protocol (LACP) Cisco ether-channel (static trunk) Maximum 8 trunk groups, up to 8 ports per trunk group Provides port mirror (many-to-1) Loop protection to avoid broadcast loops Supports ERPS (Ethernet Ring Protection Switching) Ingress/Egress Rate Limit per port bandwidth control Storm Control supportBroadcast/unknown unicast/unknown multicast