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BDCOM S3900 Switch
¾ High Performance 10Gigabit Ethernet Switch
BDCOM S3900 is a standard L3 congestion-less switch series, which are capable of multi-layer switching and wire-speed route forwarding. Its high-performance ASIC and modular design enable users to employ a suitable number of interfaces and to configure scales of their networks withgreat flexibility, all based on their individual requirements. It supports plenty of access authentication models that can be flexibly configured, making it especially ideal for community access networks. Due to its high performance and low cost, BDCOM S3900 is considered a very competitive Ethernet switching solution for community networking and workgroup networking in enterprise networks.

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Aggregation level of large enterprise networks Giga core of small- to Medium-sized business networks Connection server cluster of data centers High performance-price ratio multi-layer switching solution in other situations where multiple Giga ports are needed

Excellent performance
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S3928/S2928GX: 240 Gbps switch fabric, at least extend to 4*10GE XFPports 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
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Quota system for connected hosts per port IEEE 802.1x port-based user authentication Ethernet porttrunking provides more bandwidth and system redundancy Powerful ACL supports L2-L4 data filtering


Easy maintenance
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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 throughTFTP/Z-MODEM Support DHCP and relay, provide dynamic IP address assignment Support GBIC/SFP standard interface, protect your investment Redundant power supply

Powerful traffic and broadcast control
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Automatically detect and restrain broadcast storm, support IGMP datagram snooping, effectively restrict broadcast flooding Full- and half- duplex traffic control Ethernet port bit ratequota 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

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

Processor Flash MemoryRISC 300MHz 8 MB 64 MB (up to 512MB) BDCOM S3928
20 10/100/1000M TX Ports

20TX SEP Ports 4 10/100/1000M SFP/TX Combo Ports 2 slots for 10G modules( up to 4 XFP ports) 1 Console Port

44 10/100/1000M TX Ports 4 10/100/1000M SFP/TX Combo Ports 2 slots for 10G modules( up to 4 XFP ports) 1 Console Port


4 10/100/1000M SFP/TX Combo Ports 2 slots for 10Gmodules( up to 4 XFP ports) 1 Console Port

L3 Forwarding Rate

96Mpps all wire-speed, 96Mpps all wire-speed, 131Mppsall wire-speed, with filtering with filtering with filtering


Switch Fabric Switching Mode
MAC Address Table Size

240G bps Store-and-forward 64K 64 MB

240G bps

280G bps

Queue Buffer Functions SpanningTree VLAN Traffic Control Broadcast Control Multicast Control Multicast Protocol Port Trunking Port Mirroring Stack Unicast Policy-based Routing Redundant Routing Proxy DHCP NAT

IEEE 802.1D (STP), IEEE 802.1w (RSTP), PVST/PVST+ Port-based VLAN, 802.1Q tag VLAN, Super VLAN, Private VLAN, GVRP dynamic VLAN configuration, VLAN Stacking (QinQ) Back pressure at half-duplex, 802.3x at full-duplex,...
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