Cisco WS-C1924-EN-DC - 100Mbps Ethernet Switch Bedienungsanleitung PDF herunterladen (Seite 33)

Overview 1-33

100BaseT Collapsed Backbone with Multiple Switches

Figure 1-10 illustrates a Fast Ethernet collapsed-backbone conﬁguration in which all

segments and subnetworks are connected to a single device, such as a hub, switch, or router,

to form the enterprise internetwork. A collapsed backbone network is easy to manage and

troubleshoot, as it provides a single point for monitoring and controlling the network.

Two different workgroups, perhaps located in different buildings, are connected by

Catalyst 1900 switches connected to a 100BaseT backbone switch or router (such as a

Catalyst 5000 switch or Cisco 7000 router). In full-duplex mode, 200 Mbps of bandwidth

is available to both Catalyst 1900 switches.

The distance between each Catalyst 1900 switch and the backbone switch or router can be

increased to 2 kilometers by using ﬁber-optic ports in full-duplex mode. The Catalyst 1900

models—WS-C1924C, WS-C1912C, and WS-C1924F—provide one duplex SC port or

two ﬁber-optic MT-RJ ports. Connections through the 100BaseTX switch ports with

Category 5 cabling can be up to a distance of 100 meters.

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Cisco WS-C1924-EN-DC - 100Mbps Ethernet Switch Bedienungsanleitung Seite 33