Cisco Switches 3550 and Features | Blog

Aug 26
Cisco switches 3550

Cisco Switches 3550 and Features

Cisco switches 3550 are a line of enterprise-class, stackable, multilayer switches that provide high availability, security and quality of service (QoS) . The Catalyst 3550 Series switch can serve as a powerful access layer switch for medium enterprise wiring closets and as a backbone switch for small networks with a range of Fast Ethernet and Gigabit Ethernet configurations available. It allows users to configure and troubleshoot multiple desktop switches using a standard Web browser. It simplifies the implementation of converged networks and intelligent network services.

The Fast Ethernet configuration of Cisco 3550 switches provides customers with tremendous deployment flexibility allowing customers to implement one type of stacking and uplink configuration today with the option to migrate that configuration in the future. The switch 3550 deploys a high-speed uplink and stack interconnection failover through its dual redundant Gigabit Ethernet uplinks, a redundant GigaStack GBIC loopback cable, an UplinkFast and CrossStack UplinkFast technologies.

Cisco Catalyst Intelligent Ethernet switches enables companies to realize the full benefits of adding intelligent services into their networks. It has got the deployment capabilities that make the network infrastructure highly available to accommodate time-critical needs, scalable to accommodate growth, secure enough to protect confidential information, and capable of differentiating and controlling traffic flows.

Some very important features of Cisco Switches 3550 includes :

High-Performance IP Routing : It delivers extremely high-performance IP routing. It spports simple IP unicast routing protocols (static, RIPv1, RIPv2) for small network routing applications and advanced IP unicast routing protocols (OSPF, IGRP, EIGRP, BGPv4) for load balancing and constructing scalable LANs. It also integrates the inter-VLAN IP routing for full Layer 3 routing between two or more VLANs. It supports equal cost routing for load balancing and redundancy across non-multicast networks. The Distance Vector Multicast Routing Protocol (DVMRP) tunneling for interconnecting two multicast-enabled networks is also supported by the Cisco Switches 3550. Other important feature of the router involves Hot Standby Router Protocol (HSRP) to create redundant fail-safe routing topologies.

Superior Redundancy for Fault Backup : The UplinkFast technology integrated into cisco switch 3550 ensures quick fail-over recovery enhancing overall network stability and reliability. The CrossStack UplinkFast technology provides increased redundancy and network resiliency through fast spanning-tree convergence across a stack of switches. Cisco 3550 supports HSRP to create redundant fail-safe routing topologies. The switch also allows customers to designate a backup command switch that takes over cluster management functions if the primary command switch fails. The cisco 3550 provides unidirectional link detection (UDLD) and Aggressive UDLD for detecting and disabling unidirectional links on fiber-optic interfaces caused by incorrect fiber-optic wiring or port faults.

Bandwidth Optimization : The cisco 3550 supports bandwidth aggregation of up to 16 Gbps through Gigabit EtherChannel technology and up to 1.6 Gbps through Fast EtherChannel technology. It enhances fault tolerance and offers higher speed aggregated bandwidth between switches, to routers and individual servers. The broadcast, multicast, and unicast storm control prevents faulty end stations from degrading overall systems performance. The switch 3550 engages in interaction with a web cache for the purpose of redirecting content requests to a cache and performing basic load balancing across multiple caches. The PVST+ feature of the Cisco 3550 allows for Layer 2 load sharing on redundant links to efficiently utilize the extra capacity inherent in a redundant design. Multiple Spanning Tree Protocol (MSTP) feature of Cisco Switch allows a spanning tree instance per VLAN enabling Layer 2 load sharing on redundant links. Another very importanat feature integrataed in Cisco switches 3550, the VLAN Trunking Protocol (VTP) pruning limits bandwidth consumption on VTP trunks by flooding broadcast traffic only on trunk links required to reach the destination devices.

Ultra-Flexible and Scalable Stacking : The Cisco 3550 GigaStack GBIC delivers a hardware-based, independent stacking bus with up to 2 Gbps forwarding rate in a point-to-point configuration. It uses 1 Gbps forwarding bandwidth when daisy chained with up to nine switches.

Ease of Use and Ease of Deployment

Network Security

User and Device Authentication

Granular Access Control and Identity-based Network Services

Tracking Users

Quality of Service/Control

Granular Rate-Limiting


Cluster Management Suite


Power Connectors

Power Requirements

Acoustic Noise

Service and Support

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