The Cisco CatalystŪ 3550 Series Intelligent Ethernet Switch is a line of stackable, multilayer switches that provide high availability, quality of service (QoS), and security to enhance network operations. With a range of Fast Ethernet and Gigabit Ethernet configurations, the Cisco Catalyst 3550 Series is a powerful option for enterprise and metro access applications.

Key Enterprise Features

• Allows you to deploy network-wide intelligent services with the simplicity of traditional LAN switching
• Extends a set of Layer 2-to-Layer 4 features in Cisco IOSŪ Software- IP routing, QoS, rate limiting, access control lists (ACLs), and multicast services- to the edge
• Simplifies access layer and small backbone deployment with the embedded Cisco Cluster Management Suite Software
• Delivers powerful Gigabit Ethernet connectivity with a full suite of Gigabit Interface Converter (GBIC) devices

Key Metro Access Benefits

• Provides service breadth through high-performance IP routing, 802.1Q tunneling, advanced QoS, and rate limiting
• Delivers service availability and security through Spanning Tree Protocol enhancements and ACLs
• Enables service management through Cisco IE 2100 Series Intelligence Engine support and Simple Network Management Protocol (SNMP)

Catalyst 3550 Series Technical Documentation