Cisco WS-C3550-12G Datasheet
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Cisco WS-C3550-12G Datasheet

Catalyst 3550 series intelligent ethernet switches
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DATA SHEET
CISCO CATALYST 3550 SERIES
INTELLIGENT ETHERNET SWITCHES

PRODUCT OVERVIEW

®
The Cisco Catalyst
3550 Series Intelligent Ethernet Switches is a line of enterprise-class, stackable, multilayer switches that provide high
availability, security and quality of service (QoS) 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 small networks. Customers can deploy network-wide intelligent services, such as advanced QoS, rate-limiting, Cisco security access
control lists, multicast management, and high-performance IP routing—while maintaining the simplicity of traditional local area network (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 networks and intelligent network services.
The Catalyst 3550-24 PWR switch can provide a lower total cost of ownership for deployments that incorporate Cisco IP phones and/or Cisco
Aironet wireless LAN access points. With up to 15 Watts of integrated inline power on every 10/100 port, the switch provides maximum device
support and eases new technology deployments by eliminating the need for wall power to each IP phone or wireless LAN access point. Additionally,
delivering power via the Catalyst 3550-24 PWR switch eliminates the cost for additional electrical cabling that would otherwise be necessary in
wireless LAN and IP phone deployments. Maximum power availability for a converged voice and data network is attainable when a Catalyst 3550
Switch is combined with the Cisco Redundant Power System 675 (RPS 675) for seamless protection against internal power supply failures and an
uninterruptable power supply (UPS) system to safeguard against power outages.
The Cisco Catalyst 3550 Series Intelligent Ethernet Switches include 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 3550-24 PWR Switch—24 10/100 ports with integrated inline power and two GBIC-based Gigabit Ethernet ports; 1 RU
Catalyst 3550-24-DC Switch—24 10/100 ports and two GBIC-based Gigabit Ethernet ports; 1 RU; DC-powered
Catalyst 3550-24-FX Switch—24 100FX ports and two GBIC-based Gigabit Ethernet ports; 1 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 10/100/1000BASE-T ports; 1.5 RU
Catalyst 3550-12T Switch—10 10/100/1000BASE-T ports and two GBIC-based Gigabit Ethernet ports; 1.5 RU
The built-in Gigabit Ethernet ports accommodate a range of GBIC transceivers, including the Cisco GigaStack
SX, 1000BASE-LX/LH, 1000BASE-ZX and CWDM 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, 3550-24 PWR, 3550-24-DC, 3550-24-FX and 3550-48 are the Standard Multilayer Software Image (SMI) or
the Enhanced Multilayer Software Image (EMI). The SMI feature set includes advanced QoS, rate-limiting, access control lists (ACLs), and basic
All contents are Copyright © 1992–2005 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.
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®
GBIC, 1000BASE-T, 1000BASE-
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Summary of Contents for Cisco WS-C3550-12G

  • Page 1 The Catalyst 3550-24 PWR switch can provide a lower total cost of ownership for deployments that incorporate Cisco IP phones and/or Cisco Aironet wireless LAN access points. With up to 15 Watts of integrated inline power on every 10/100 port, the switch provides maximum device support and eases new technology deployments by eliminating the need for wall power to each IP phone or wireless LAN access point.
  • Page 2 The Cisco Catalyst 3550 offers superior Layer 3 granular QoS features to ensure that network traffic is classified, prioritized, and congestion is avoided in the best possible manner. Configuration of QoS is greatly simplified through automatic QoS (Auto QoS), a feature that detects Cisco IP phones and automatically configures the switch for the appropriate classification and egress queuing.
  • Page 3 The Cisco Catalyst 3550 is capable of performing rate limiting via its support of the Cisco Committed Information Rate (CIR) functionality. Through CIR, bandwidth can be guaranteed in increments as low as 8 Kbps. Bandwidth can be allocated based on several criteria including MAC source address, MAC destination address, IP source address, IP destination address, and TCP/UDP port number.
  • Page 4 Identity-based Networking Services (IBNS) provide the ability to dynamically administer granular levels of network access. Leveraging the 802.1x standard and Cisco’s Access Control Server (ACS), when users authenticate they can be assigned a VLAN and/or an ACL regardless of where they connect to the network.
  • Page 5 NETWORK MANAGEMENT WITH THE CISCO CLUSTER MANAGEMENT SUITE SOFTWARE The Cisco CMS is Web-based software that is embedded in Catalyst 3550, 2950, 3500 XL, 2900 XL, 2900 LRE XL, and 1900 switches. Through Cisco Switch Clustering technology, users access Cisco CMS with any standard Web browser to manage up to 16 of these switches at once, regardless of their physical proximity—with the option of using a single IP address for the entire cluster if desired.
  • Page 6 Switch port Auto-recovery (or “errDisable”) automatically attempts to re-enable a link that becomes disabled due to a network error. Support for Cisco’s optional Redundant Power System 300 (RPS 300 supports all Catalyst 3550 Switches except the Catalyst 3550-24 PWR) and/or the Redundant Power System 675 (RPS 675 supports all Catalyst 3550 Switches) that provides superior internal power source redundancy for up to six Cisco networking devices resulting in improved fault tolerance and network uptime.
  • Page 7 Multicast VLAN Registration (MVR) continuously sends multicast streams in a multicast VLAN while isolating the streams from subscriber VLANs for bandwidth and security reasons. The Cisco GigaStack GBIC delivers a hardware-based, independent stacking bus with up to 2 Gbps forwarding rate Ultra-Flexible and in a point-to-point configuration, or 1 Gbps forwarding bandwidth when daisy chained with up to nine switches.
  • Page 8 The user-selectable address-learning mode simplifies configuration and enhances security. Cisco CMS Software Security Wizards ease the deployment of security features for restricting user access to a server, a portion of the network or access to the network.
  • Page 9 Cisco IP phones, the classification of traffic, and egress queue configuration. Cisco control plane and data plane quality of service ACLs on all ports to ensure proper marking on a per packet basis.
  • Page 10 One-click software upgrades can be performed across the entire cluster simultaneously, and configuration cloning enables rapid deployment of networks. Ability to launch the web-based management for a Cisco Aironet Wireless Access Point by simply clicking on its icon in the topology map.
  • Page 11 IGMP-MIB IPMROUTE-MIBL2/L3 INTERFACE MIB OLD-CISCO-CHASSIS-MIB OLD-CISCO-SYSTEM-MIB OLD-CISCO-TS-MIB OSPF-MIB (RFC 1253) PIM-MIB RFC1213-MIB RMON2-MIB © 2005 Cisco Systems, Inc. All rights reserved. Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. Page 11 of 18...
  • Page 12 RJ-45-to-DB25 female data-terminal-equipment (DTE) adapter (can be ordered separately from Cisco, part number ACS-DSBUASYN=) © 2005 Cisco Systems, Inc. All rights reserved. Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. Page 12 of 18...
  • Page 13 Feature Benefit Customers can provide power to a switch by using either the internal power supply or the Cisco RPS. The RPS 300 Power Connectors is compatible with all Catalyst 3550 models except the 3550-24-DC and 3550-24 PWR. The RPS 675 is compatible with all Catalyst 3550 models except the 3550-24-DC.
  • Page 14 Bellcore GR-1089-CORE GR-63-CORE SR-3580 Level 3 Network Equipment Building Systems (NEBS) (for Catalyst 3550-24-DC) Limited lifetime warranty Warranty © 2005 Cisco Systems, Inc. All rights reserved. Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. Page 14 of 18...
  • Page 15 SERVICE AND SUPPORT The services and support programs described in Table X below are available as part of the Cisco Desktop Switching Service and Support solution, and are available directly from Cisco and through resellers. Table 2. Service and Support...
  • Page 16 Europe: 32 2 778 4242 Australia: 612 9935 4107 Other: 408 526-7209 World Wide Web URL: http://www.cisco.com © 2005 Cisco Systems, Inc. All rights reserved. Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. Page 16 of 18...
  • Page 17 Copyright  2005 Cisco Systems, Inc. All rights reserved. CCSP, CCVP, the Cisco Square Bridge logo, Follow Me Browsing, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Access Registrar, Aironet, ASIST, BPX, Catalyst, CCDA, CCDP,...
  • Page 18 © 2005 Cisco Systems, Inc. All rights reserved. Important notices, privacy statements, and trademarks of Cisco Systems, Inc. can be found on cisco.com. Page 18 of 18...

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