Features :Layer 2 switching, MDI/MDI-X switch, auto-negotiation, port mirroring, IP address filtering, Access Control List (ACL) support, Quality of Service (QoS), front to back airflow, LLDP support, Remote Switch Port Analyzer (RSPAN), Management Information Base (MIB), dual firmware images, redundant fans, MAC and IP-based ACLs support, Time-controlled ACLs support