LevelOne GSW-2401TX User Manual

Page 36

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increasing the network throughput and availability

Store-and-Forward

Store-and-Forward is one type of packet-forwarding techniques. A
Store-and Forward Ethernet Switching stores the incoming frame in an
internal buffer, do the complete error checking before transmission.
Therefore, no error packets occurrence, it is the best choice when a
network needs efficiency and stability.

The Ethernet Switch scans the destination address from the
packet-header, searches the routing table provided for the incoming
port and forwards the packet, only if required. The fast forwarding
makes the switch attractive for connecting servers directly to the
network, thereby increasing throughput and availability. However, the
switch is most commonly used to segment existing hubs, which nearly
always improves overall performance. A Ethernet Switching can be
easily configured in any Ethernet network environment to significantly
boost bandwidth using conventional cabling and adapters.

Due to the learning function of the Ethernet switching, the source
address and corresponding port number of each incoming and
outgoing packet are stored in a routing table. This information is
subsequently used to filter packets whose destination address is on
the same segment as the source address. This confines network traffic
to its respective domain, reducing the overall load on the network.

The Gigabit Switch performs "Store and forward" therefore, no error
packets occur. More reliably, it reduces the re-transmission rate. No
packet loss will occur.

Auto-Negotiation

The STP ports on the Gigabit Switch have built-in “Auto-negotiation”.
This technology automatically sets the best possible bandwidth when a
connection is established with another network device (usually at
Power On or Reset). This is done by detect the modes and speeds at
the second of both device is connected and capable of, Both 10Base-T
and 100Base-TX devices can connect with the port in either Half- or
Full-Duplex mode. 1000Base-TX and 1000Base-SX can only
connected Full-duplex mode.

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