8 x 10/100 + 1 x combo Gigabit SFP. Layer 2 switching, auto-sensing per device, DHCP support, auto-negotiation, VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, Syslog support, DiffServ support, Broadcast Storm Control, Multicast Storm Control, Unicast Storm Control, Rapid Spanning Tree Protocol (RSTP) support, Multiple Spanning Tree Protocol (MSTP) support, Dynamic Trunking Protocol (DTP) support, Port Aggregation Protocol (PAgP) support, Quality of Service (QoS), Link Aggregation Control Protocol (LACP), Port Security, MAC Address Notification