DHCP support, ARP support, Syslog support, Weighted Round Robin (WRR) queuing, Weighted Fair Queuing (WFQ), Weighted Random Early Detection (WRED), sFlow, Spanning Tree Protocol (STP) support, Rapid Spanning Tree Protocol (RSTP) support, Virtual Route Redundancy Protocol (VRRP) support, Multiple Spanning Tree Protocol (MSTP) support, Quality of Service (QoS), Committed Access Rate (CAR), Device Link Detection Protocol (DLDP) support, Rapid Ring Protection Protocol (RRPP) support, Equal-Cost Multipath (ECMP), Endpoint Admission Defense (EAD), STP Root Guard, LLDP support, Port Security, DHCP protection, port isolation, non blocking ports, Strict Priority (SP), Generic Attribute Registration Protocol (GARP), Intelligent Resilient Framework Technology (IRF), Multicast Source Discovery Protocol (MSDP)