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This module is specifically targeted at building cost-effective Gigabit Ethernet server farms, rather than backbone switch-to-switch applications. It provides two dedicated Gigabit Ethernet uplinks, as well as up to 16 ports per module for high-performance Gigabit Ethernet server connectivity. The 16 server ports can burst to Gigabit Ethernet line rate, and share 8 Gbps of full duplex bandwidth into the switching fabric. Since all ports use GBICs, simply varying the number of GBICs used can control the amount of oversubscription. The server ports use the standard IEEE 802.3x flow control (PAUSE frame) mechanism to control Gigabit Ethernet host traffic.