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New Product: Catalyst 3550 Series Intelligent Ethernet Switches

Product Overview

The Cisco Catalyst 3550 Series Intelligent Ethernet Switches is a new line of enterprise-class, stackable, multilayer switches

that provide high availability, scalability, security and control to enhance the operation of the network. With a range of Fast

Ethernet and Gigabit Ethernet conﬁgurations, the Catalyst 3550 Series can serve as both a powerful access layer switch for

medium enterprise wiring closets and as a backbone switch for mid-sized networks. For the ﬁrst time, customers can deploy

network-wide intelligent services, such as advanced quality of service (QoS), rate-limiting, Cisco security access control

lists, multicast management, and high-performance IP routing-while maintaining the simplicity of traditional LAN

switching. Embedded in the Catalyst 3550 Series is the Cisco Cluster Management Suite (CMS) Software, which allows

users to simultaneously conﬁgure and troubleshoot multiple Catalyst desktop switches using a standard Web browser. Cisco

CMS Software provides new conﬁguration wizards that greatly simplify the implementation of converged applications and

network-wide services.

The Cisco Catalyst 3550 Series Intelligent Ethernet Switches are available in the following conﬁgurations:

• Catalyst 3550-24 Switch-24 10/100 ports and two Gigabit Interface Converter (GBIC)-based Gigabit Ethernet ports; 1

rack unit (RU)

• Catalyst 3550-48 Switch-48 10/100 ports and two GBIC-based Gigabit Ethernet ports; 1 RU

• Catalyst 3550-12G Switch-10 GBIC-based Gigabit Ethernet ports and two 10/100/1000BaseT ports; 1.5 RU

• Catalyst 3550-12T Switch-10 10/100/1000BaseT ports and two GBIC-based Gigabit Ethernet ports; 1.5 RU

The built-in Gigabit Ethernet ports in these switches accommodate a range of GBIC transceivers, including the Cisco

GigaStack GBIC, 1000BaseT, 1000BaseSX, 1000BaseLX/LH, and 1000BaseZX GBICs. The dual GBIC-based Gigabit

Ethernet implementation on the Fast Ethernet conﬁgurations provides customers tremendous deployment ﬂexibility,

allowing customers to implement one type of stacking and uplink conﬁguration today, while preserving the option to migrate

that conﬁguration in the future. High levels of stack resiliency can also be implemented by deploying dual redundant Gigabit

Ethernet uplinks, a redundant GigaStack GBIC loopback cable, UplinkFast and CrossStack UplinkFast technologies for

high-speed uplink and stack interconnection failover, and Per VLAN Spanning Tree Plus (PVST+) for uplink load balancing.

This Gigabit Ethernet ﬂexibility makes the Catalyst 3550 switches an ideal LAN edge complement to the Cisco Catalyst 6500

Family of Gigabit Ethernet optimized core LAN switches.

Included with the Catalyst 3550-24 and 3550-48 are the Standard Multilayer Software Image (SMI) or the Enhanced

Multilayer Software Image (EMI). The EMI provides a richer set of enterprise-class features including hardware-based IP

unicast and multicast routing, inter-virtual LAN (VLAN) routing, routed access control lists (RACLs), and the Hot Standby

Router Protocol (HSRP). After initial deployment, the Enhanced Multilayer Software Image Upgrade Kit gives users the

ﬂexibility to upgrade to the EMI. The Catalyst 3550-12T and 3550-12G are only available with the Enhanced Multilayer

Software Image.

Key Features and Beneﬁts

Availability

Superior Redundancy for Fault Backup

• Cisco UplinkFast/BackboneFast technologies ensure quick fail-over recovery enhancing overall network stability and

reliability.

• CrossStack UplinkFast (CSUF) technology provides increased redundancy and network resiliency through fast spanning-

tree convergence (less than two seconds) across a stack of switches using GigaStack™ GBICs in an independent stack

backplane cascaded conﬁguration.

• Supports Cisco Hot Standby Router Protocol (HSRP) to create redundant failsafe routing topologies-requires Enhanced

Multilayer Software Image (EMI).

1 2 3 4 5 6 7 8 9 10

Indice de contenidos

Pagina 1 - Availability

1Visit Cisco Connection Online at www.cisco.comNew Product: Catalyst 3550 Series Intelligent Ethernet SwitchesProduct OverviewThe Cisco Catalyst 3550

Pagina 2 - Security

10 Cisco Product Catalog, June, 2002

Pagina 3 - Superior Manageability

2 Cisco Product Catalog, June, 2002• Redundant stacking connections provide support for a redundant loopback connection for top and bottom switches in

Pagina 4 - Scalability

3Visit Cisco Connection Online at www.cisco.com• Bridge protocol data unit (BPDU) guard shuts down Spanning-Tree Protocol PortFast-enabled interfaces

Pagina 5

4 Cisco Product Catalog, June, 2002• Switch Database Manager templates for access, routing, and VLAN deployment scenarios allow the networkadministrat

Pagina 6 - Speciﬁcations

5Visit Cisco Connection Online at www.cisco.com• Cisco Cluster Management Suite (CMS) Software allows the user to manage up to 16 inter-connected Cisc

Pagina 7

6 Cisco Product Catalog, June, 2002SpeciﬁcationsHardwareTable 21-113: Technical Speciﬁcations for the Catalyst 3550 Series Intelligent Ethernet Switch

Pagina 8 - Software

7Visit Cisco Connection Online at www.cisco.comTable 21-114: Power Speciﬁcations for the Catalyst 3550 Series Intelligent Ethernet SwitchesTable 21-11

Pagina 9 - Ordering Information

8 Cisco Product Catalog, June, 2002SoftwareTable 21-117: Software Management for Catalyst 3550All software part descriptions and part numbers for Cisc

Pagina 10

9Visit Cisco Connection Online at www.cisco.comOrdering InformationProduct Part NumbersAll part descriptions and part numbers for Cisco products can b

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