Cisco CATALYST 5500 9 PORT GIGABIT ETHERNET SWITCH MODULE 规格指南

traffic is locally switched, all management information, such as

Remote Monitoring (RMON), is available via the central

Supervisor Engine module and management software. In

addition, the module is designed for maximum compatibility with

existing network management; configuring Gigabit Ethernet on

the local switching module is as simple as configuring

any Ethernet or Fast Ethernet port in the Catalyst 5000 Family.

Four full-duplex links can be combined in a Gigabit EtherChannel

configuration, offering 8 Gbps of throughput between devices.

The three-port Gigabit Ethernet switching module provides

cost-effective aggregation of gigabit uplinks, or gigabit server

connections in the Catalyst 5505, 5509, and 5500 platforms. For

example, an enterprise might want to add a server or Web cache

engine locally to improve performance of a workgroup

application. The three-port module allows for a cost-effective

addition of Gigabit Ethernet switching on an as-needed basis. Just

as it is on the Gigabit EtherChannel module, all management

information is readily available, and Gigabit Ethernet is managed

by familiar Ethernet tools. This three-port Gigabit Ethernet

module will also work with Catalyst 5000 and 5002 chassis, but

in such configuration, only one port of the three-port Gigabit

Ethernet module will be active.

Catalyst 5000 Family Gigabit solutions allow for flexible Gigabit

interface configuration of backbone and wiring closet connections.

For example, Gigabit Ethernet uplinks within a building might make

use of 1000BaseSX over multimode fiber for distances up to several

hundred meters, but backbone connections between buildings might

require using 1000BaseLX/LH over single- mode fiber in cable runs

up to 10 kilometers, and Metropolitan Area Network Connections

might require using 1000BaseZX over single-mode fiber in cables

running up to 70-100 km. The Supervisor Engine III can be

configured with either 1000BaseSX, 1000BaseLX/LH, or

1000BaseZX, depending on the application. By making use of

industry-standard hot-swappable GigaBit Interface Converter

(GBIC) modular technology, other Cisco Gigabit Ethernet interfaces

can intermix any combination of 802.3z- compliant 1000BaseSX,

1000BaseLX/LH, or 1000BaseZX interfaces on a port-by-port

basis. Furthermore, Cisco is offering a 1000BaseLX/LH interface

that is fully compliant with the IEEE 802.3z 1000BaseLX standard,

but has the ability to go up to 10 km over single-mode fiber, 5 km

further than garden-variety 1000BaseLX interfaces. As additional

capabilities are developed, these modules make it easy to upgrade to

the latest interface technology, maximizing investment protection.

Figure 2

Hot-Swappable GBIC Modules Provide Easy Selection or Upgrade

of Interfaces on a Port-by-Port Basis, Shown Here on the Nine-Port Gigabit
EtherChannel Module

Figure 3

Our Newest Two-Port GBIC Uplink Offers QoS Capabilities

Cisco supports the widest range of industry standards, as well as

functionality such as Fast EtherChannel and Gigabit EtherChannel,

where customer needs for link aggregation and resiliency run ahead

of the standards process. Even while supporting these new

capabilities, Cisco created the Catalyst 5000 Family with investment

protection and with the same software and functionality that have

made it the industry’s leading platform in total number of Ethernet

and Fast Ethernet ports. The Catalyst 5000 Gigabit Ethernet