Gigabit Ethernet Switch User’s Guide
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segments. This allows the total network capacity to be multiplied, while still maintaining the same network
cabling and adapter cards.
Switching LAN technology is a marked improvement over the previous generation of network bridges, which
were characterized by higher latencies. Routers have also been used to segment local area networks, but the
cost of a router and the setup and maintenance required make routers relatively impractical. Today’s switches
are an ideal solution to most kinds of local area network congestion problems.
Features
The DGS-3208F Gigabit Ethernet Switch was designed for easy installation and high performance in an
environment where traffic on the network and the number of users increase continuously.
Switch features include:
Ports
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Eight 1000BASE-SX (SC-type fiber transceiver) Gigabit Ethernet ports.
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RS-232 DCE console port for diagnosing the Switch via a connection to a PC and console/out-of-band
management.
Performance features
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Store and forward switching scheme capability to support rate adaptation and protocol conversion.
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Full duplex to allow two communicating stations to transmit and receive at the same time.
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Data forwarding rate 1,488,100 pps per port at 100% of wire-speed for 1000-Mbps speed.
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Data filtering rate eliminates all error packets, runts, etc. at 1,488,100 pps per port at 100% of wire-
speed for 1000-Mbps speed.
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12K active MAC address entry table per device with automatic learning and aging.
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16 MB packet buffer per device.
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Supports broadcast storm rate filtering.
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Supports IGMP snooping.
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Supports port mirroring.
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Supports GVRP.
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Supports GMRP (802.1P).
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Supports 802.1P priority (tag mode).
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Supports static filtering (based on MAC Address)
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Supports port-based VLAN (overlapping VLANs are excluded).
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Supports IEEE 802.1Q VLAN.
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