Used Cisco Catalyst 4500 Gigabit Ethernet Module, Server
Switching 18 Ports (GBIC)
Part # WS-X4418-GB
 Product Description:
Catalyst 4500 GE Module, Server Switching
16-ports: 4:1 oversubscribed, 1000BASE-X (GBIC), IEEE 802.3,
IEEE 802.3x flow control.
This Cisco WS-X4418-GB
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, the amount of over subscription can be
controlled by varying the number of GBICs used. The server
ports use the standard IEEE 802.3x flow control (PAUSE frame)
mechanism to control Gigabit Ethernet host traffic. It is
designed for the Catalyst 4000 series that provides an advanced
high-performance enterprise switching solution optimized for
wiring closets with up to 96 users and data center server
environments that require up to 36 Gigabit Ethernet ports.
Enterprise and Commercial: Designed for fiber to the
desktop, switch-to=switch applications, or small server farms.
Metro Ethernet: GBIC flexibility designed for network
operators building the next generation of Metro Ethernet
networks.
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