Cisco Catalyst 2950-12 Product Support Bulletin

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cisco catalyst 2950 series

Cisco Systems, Inc.All contents are Copyright © 2002 Cisco Systems, Inc. All rights reserved. Important Notices and Privacy Statement.Page 1 of 5Product Bulletin No. 1855Cisco Catalyst 2950 SeriesSoftware Feature Comparison—Standard Image (SI)and Enhanced Image (EI) Feature ComparisonThe Cisco Catalyst ® 2950 Series switches include two software image versions that supportdifferent degrees of functionality—the Standard Image (SI) and the Enhanced Image (EI)Software. The version of software depends solely on the model of switch selected, with noupgrade capabilities.The SI version is embedded in Cisco Catalyst 2950-12, 2950-24, and 2950SX-24 switches,and supports basic Cisco IOS® functionality, Fast Ethernet connectivity, and clustermanagement.The EI version supports all that and more. The EI version of software is embedded in CiscoCatalyst 2950T-24, 2950C-24, and 2950G-12, 2950G-24, 2950G-48 switches, andsupports advanced intelligent services, gigabit connectivity, and a richer set of features. Theseinclude Cisco Spanning-Tree Protocol enhancements for high availability, access controlparameters (ACPs) for enhanced security, and Differentiated Services Code Point (DCSP)and rate limiting for advanced quality of service.The following tables highlight feature comparisons between the fixed-configuration CiscoCatalyst 2950 Series switches with the SI or EI software, and the fixed-configuration Catalyst2900 Series XL (fixed-configuration Catalyst 2900 XL switches have been discontinued,modular configurations still available).Table 1 Catalyst 2950 Series SwitchesProduct Software ImageCatalyst 2950-12 Standard Image (SI)Catalyst 2950-24 Standard Image (SI)Catalyst 2950SX-24 Standard Image (SI)Catalyst 2950T-24 Enhanced Image (EI)Catalyst 2950C-24 Enhanced Image (EI)Catalyst 2950G-12-EI Enhanced Image (EI)Catalyst 2950G-24-EI Enhanced Image (EI)Catalyst 2950G-24-EI-DC Enhanced Image (EI)Catalyst 2950G-48-EI Enhanced Image (EI)

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