Specification :

Excellent performance
• S3928/ S3928GX: 240 Gbps switch fabric, at least extend to 4* 10GE XFP ports
• S3948: 280 Gbps switch fabric, at least extend to 4* 10GE XFP ports
• Hardware routing, wire-speed L3 switching, packet forwarding rate: 131Mpps
• Giga optical fiber supports up to 80 km long-distance transfer, direct connection to MAN backbone networks
Security and reliability
• Quota system for connected hosts per port
• IEEE 802.1x port-based user authentication
• Ethernet port trunking provides more bandwidth and system redundancy
• Powerful ACL supports L2-L4 data filtering

Easy maintenance
• Supports device stacking through cluster technology. Central management with unified IP address saves IP addresses
• Management via CONSOLE port, Web, SNMP, etc.
• BootRom and other software upgrade through TFTP
• Support DHCP and relay, provide dynamic IP address assignment
• Support SFP standard interface, protect your investment
• Redundant power supply
Powerful traffic and broadcast control
• Automatically detect and restrain broadcast storm, support IGMP datagram snooping, effectively restrict broadcast flooding
• Full- and half- duplex traffic control
• Ethernet port bit rate quota
• Advanced buffer management supports 802.1p, with 4 dispatching queues per port mapping the 8 priority queues in 802.1p
• IP multicast and QoS support
• Jumbo frame

Multiple routing polices
• Static routing
• Support RIP v1/ v2, OSPF v2, BGPv4 and many other dynamic routing protocols
• Support PIM-SM, PIM-DM and many other multicast routing protocols