Hp - 5500-24g Hi Taa-compliant Switch With 2 Interface Slots - Switch - 24 Ports - Managed - Rack-mountable (jg681a) : 
 Key Features : 
 Device Type : Switch - 24 Ports - L3 - Managed 
 Enclosure Type : Rack-mountable - 1u 
 Subtype : Gigabit Ethernet 
 Ports : 4 X 10/100/1000 + 24 X Gigabit Sfp + 2 X 10 Gigabit Sfp+ 
 Performance : Throughput : 130.9 Mpps ¦ Routing/switching Capacity : 176 Gbps 
 Capacity : Ipv4 Routing Table Entries : 12000 ¦ Ipv6 Routing Table Entries : 6000 
 Mac Address Table Size : 32k Entries 
 Jumbo Frame Support : 12288 Bytes 
 Routing Protocol : Ospf, Rip, Is-is, Bgp, Igmp, Ospfv3, Msdp, Static Ipv4 Routing, Static Ipv6 Routing, Ripng, Mld, Is-isv6, Bgp-4+, Bidirectional Forwarding Detection (bfd) 
 Remote Management Protocol : Snmp 1, Rmon, Telnet, Snmp 3, Snmp 2c, Tftp 
 Authentication Method : Radius, Secure Shell V.2 (ssh2), Hwtacacs 
features : Flow Control, Dhcp Support, Arp Support, Vlan Support, Half Duplex Mode, Full Duplex Mode, Sflow, Spanning Tree Protocol (stp) Support, Rapid Spanning Tree Protocol (rstp) Support, Virtual Route Redundancy Protocol (vrrp) Support, Multiple Spanning Tree Protocol (mstp) Support, Tunneling, Dhcp Snooping, Quality Of Service (qos), Committed Access Rate (car), Rapid Ring Protection Protocol (rrpp) Support, Equal-cost Multipath (ecmp), Endpoint Admission Defense (ead), Stp Root Guard, Lldp Support, Smart Link Pass-through, Dhcp Protection, Port Isolation, Policy Based Access Control, Packet Storm Protection, Intelligent Resilient Framework Technology (irf), 802.1x Authentication, Generic Routing Encapsulation (gre), Type Of Service (tos), Diffserv Code Point (dscp) Support, In-service Software Upgrade (issu) 
 Compliant Standards : Ieee 802.3, Ieee 802.3u, Ieee 802.3ab, Ieee 802.1p, Ieee 802.1x, Ieee 802.1ad, Ieee 802.1ab (lldp) 
 Ram : 1 Gb - Sdram 
 Flash Memory : 512 Mb 
 Expansion / Connectivity : 
 Interfaces : 4 X 1000base-t - Rj-45 ¦ 24 X Gigabit Lan - Sfp ¦ 2 X 10gbit Lan - Sfp+ ¦ 1 X Serial (console) - Rj-45 - Management ¦ 1 X - Rj-45 - Management 
 Expansion Slots : 2 (total) / 2 (free) X Expansion Slot 
 Installed Modules Qty (max) : 0 (installed) / 2 (max) 
 Power : 
 Power Device : Internal Power Supply 
 Installed Qty : 0 (installed) / 2 (max) 
 Voltage Required : ( 50/60 Hz )