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Performance features – D-Link DES-1218 User Manual

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DES-1218/DES-1226 10/100/1000 Mbps Ethernet Switch User’s Guide

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The modules that can be installed include: the DES-122G 2 port 1000BASE-SX (SC type
connector), DES-122GL 2 port 1000BASE-LX, DES-122GB 2 port GBIC, DES-122T 2
port 1000BASE-T, and DES-122GM 2 port 1000BASE-SX (MT-RJ type connector)
modules.
This stand-alone Switch enables the network to use some of the most demanding
multimedia and imaging applications concurrently with other user applications without
creating bottlenecks. The built-in console interface can be used to configure the Switch’s
settings for Priority Queuing, VLAN, and Port Trunk Groups, Port Monitoring and Port
Speed.

Performance features

IEEE802.3 compliant

IEEE802.3u compliant

IEEE802.3z compliant

IEEE802.3ab compliant

IEEE802.1p Priority Queues

IEEE802.3x flow control in full duplex mode

NWay Auto-negotiation

Full and half-duplex for both 10Mbps and 100Mbps connections. The Gigabit
Ethernet extension module operates at full-duplex only. Full-duplex allows the
switch port to simultaneously transmit and receive data, and only works with
connections to full-duplex capable end stations and switches. Connections to a hub
must take place at half-duplex

Supports single-mode and multi-mode connections

Store and forward switching scheme capability to support rate adaptation and
protocol conversion

Auto-polarity detection and correction of incorrect polarity on the 10/100Mbps TX
ports

Data forwarding rate 14,880 pps per port at 100% of wire-speed for 10Mbps speed

Data forwarding rate 148,810 pps per port at 100% of wire-speed for 100Mbps
speed

Data forwarding rate 1,488,100 pps per port at 100% of wire-speed for 1000Mbps
speed

Data filtering rate eliminates all error packets, runts, etc. at 14,880 pps per port at
100% of wire-speed for 10Mbps speed

Data filtering rate eliminates all error packets, runts, etc. at 148,810 pps per port
at 100% of wire-speed for 100Mbps speed

Data filtering rate eliminates all error packets, runts, etc. at 1,488,100 pps per
port at 100% of wire-speed for 1000Mbps speed

Forwarding 64 to1536 byte frames with correct CRC checksum

Layer 2 switching based on MAC address

Address handling : auto-learning , auto-aging

Address table : Support addresses up to 17K

Buffer size: 8 Megabytes (DES-1218 )

10 Megabytes (DES-1226)

Broadcast storm control

Supports 9 Port-based VLAN Groups

Port Trunking

Back pressure in half-duplex

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