Jumbo frame.Sends larger packages or jumbo frames (up to 10KB) for better performance. | System monitoring.Surveillance features include SNMP v1 / v2c / v3, MIB support, SNMP trap, RMON groups (1, 2, 3, 9), SMTP alarm, syslog, port mirroring and SFP-DDMI | Access ControlsManaged access features include ACLs, IP Mac port binding, ARP inspection, 802.1X RADIUS, MAC address learning, DHCP snooping, and IP Source Guard with multi-stage network access controls. | Redundant power supply.Dual redundant power supplies with overload protection (power supply sold separately, models: TI-S24048, TI-S48048, TI-S12024). |