Network Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.3ae, IEEE 802.3x , IEEE 802.3ad , IEEE 802.3az , IEEE 802.1D , IEEE 802.1w , IEEE 802.1Q/p , IEEE 802.1X Memory: 128 MB LEDs: System (blue/yellow), Link/Act(green) System Power Consumption without PoE+: 110V: 19.4W, 220V: 19.71W Forwarding Rate: 41.67 Mpps Switching Capacity: 56 Gbps MAC Address Table Size: 16K Jumbo Frame (FE, GE): 9K Power Input: 100–240V, 50-60 Hz, (0.7A max) Operating Temperature: 0 to 50°C (32 to 122°F) Storage Temperature: -20 to 70°C (-4 to 158°F) Operating Humidity: 10 to 90% RH Storage Humidity: 10 to 90% RH (non-condensing) Spanning Tree: IEEE 802.1d Spanning Tree, IEEE 802.1w Rapid Spanning Tree Link Aggregation: IEEE 802.3ad LACP, up to 4 groups with up to 8 ports per group VLAN: Port-based and IEEE 802.1Q tag-based VLANs Auto Voice VLAN: VLAN voice traffic is automatically assigned by OUI to a voice-specific VLAN and treated with appropriate levels IGMP Snooping: IGMP (v1/v2/v3) snooping provides for fast client joins and leaves of multicast streams and limits bandwidth-intensive video traffic to only the requesters; supports 256 multicast groups HOL Blocking Prevention: Head-of-line (HOL) blocking prevention Port Mirroring: Traffic on multiple ports can be mirrored to another port for analysis with a network analyzer Security Features: IEEE 802.1X radius authentication, DHCP snooping, IP-MAC-Port binding, IP source guard, ARP inspection, STP root guard, STP BPDU guard, DHCP relay, Port security supports limited dynamic lock and locked MAC address, Management access control Storm Control: Broadcast, unknown-unicast, and multicast Access Control: Support up to 512 rules for enhanced security and/or advanced QoS policy: allow, deny, or rate limit based on Layer1 to 4 protocol fields at packet header level with MAC ACL and IP ACL RMON: Embedded remote monitoring (RMON) software agent support for enhanced traffic c management, monitoring, and analysis Management Interface: HTTP, HTTPS Other Management: Telnet (menu-driven), DHCP client, system log, configuration unload and backup via HTTP or TFTP, PING, dual images, SNTP SNMP: Version 1, Version 2c QoS - Class of Service: Port-based, IEEE 802.1p priority-based, IPv4/v6 IP DSCP-based Combo Ports (RJ45 + SFP): 2 combo on ports g27, g28 Copper FE/GE Ports (RJ45): g01–g13, g14–g26 Green Power Mode: EEE+, Short Reach + Energy Detect QoS - Priority Levels: 4 hardware queues QoS - Scheduling: Priority queuing and weighted round robin (WRR) Total System Ports: 28GE