The Switch Controlled 52 Ports Is A Controlled Switch. The Total Number Of Ports Is 52. 48 Ports 10/100/1000Base-T. 4 Ports 10Gbase-X Sfp+. Console Port With Rj-45 Connector. Indicators Power, Fan Error, Console, Link/Activity/Speed (On The Port). Standards And Functions-Ieee 802.3 10Base-T, Ieee 802.3U 100Base-Tx, Ieee 802.3Ab 1000Base-T, Ieee802.3Z 1000Base-X, Ieee 802.3Ae 10Gbase-X, Ieee 802.3Az Energy Efficient Ethernet, Automatic Definition Of Mdi/Mdix. The Switching Matrix Of 176 Gb/S. Max. The Redirect Speed Of 64-Byte Packages 130.95 Mpps. The Size Of The Mac Address Table 32K Records. Boofer Of Packages 2 Mb. Jumbo-Frame 12 Kb. Functions Of Level 2 - Igmp Snooping, Lldp, Lldp -Med, Spanning Tree Protocol, Port Mirror, Link Aggregation (802.3Ad, Max. 8 Groups For The Device/8 Ports Per Group), Loopback Detection. Vlan - Vlan: 4K, Voice Vlan, Auto Surveillance Vlan, Asymmetric Vlan. Service Quality (Qos)-Cos Based On: Priorities 802.1P, Dscp, Tos, Ipv6 Traffic Class, Tcp/Udp Port, Vlan Id, Mac Address, Ether Type, Ip Address, Ipv6 Protocol Type Margin; 802.1P, 8 Queues Per Port. Cst Processing Mechanisms: Strit, Weighted Round Robin (Wrr). Passing Strip - Based On The Port (Incoming/Outgoing, With A Minimum Step Of 64 Kbps). Functions Of Level 3 - Support 4 Interfaces Ipv4/V6, Ipv6 Neighbor Discovery (Nd), Static Routing, Max. 124 Records Of Static Routes Ipv4, Max. 50 Records Of Static Routes Ipv6. Access Management Lists (Acl) - Max. Number Of Access Lists 50, Max. Number Of Acl Rules: 768, Safety-Protection Against Broadcasting/Multi-Core/Single-Adordum Storm, Dhcp Server Screening, Ip-Mac-Port Binding, Traffic Segmentation, Ssh, Ssl, Prevention Of Arp Spoofing, Prevention Dos, Port Security. Management-Web-Interface, Cli, Telnet Server, Tftp Client, Snmp V3, Snmp Trap. Installation In A 19-Inch Rack. It Hub