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Catalyst 2950 Desktop Switch Software Configuration Guide
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Chapter 1 Overview
Features
This section describes the features supported in this release:
Note Some features require that you have the EI installed on your switch. For a list of the switches that support
the EI, see Table 1-1, or refer to the release notes for this release.
LRE Switch-Specific Support
The Long-Reach Ethernet (LRE) switches support all of these listed EI features in addition to some
specific features for LRE.
• Data, voice, and video transmission through categorized and noncategorized unshielded
twisted-pair cable (Category 1, 2, and 3 structured and unstructured cable, such as existing
telephone lines) in multi-unit, multidwelling, and multitenant buildings
• Up to 15 Mbps of bandwidth to remote Ethernet devices at distances of up to 4921 feet (1500 m) on
each switch LRE port
• Compliance with American National Standards Institute (ANSI) and European Telecommunication
Standards Institute (ETSI) standards for spectral-mode compatibility with asymmetric digital
subscriber line (ADSL), Integrated Services Digital Network (ISDN), and digital telephone
networks
• Configuration and monitoring of connections between:
–
Switch LRE ports and the Ethernet ports on remote LRE customer premises equipment (CPE)
devices, such as the Cisco 575 LRE CPE and Cisco 585 LRE CPE
–
CPE Ethernet ports and remote Ethernet devices, such as a PC
• Support for connecting to the public switched telephone network (PSTN) through plain old
telephone service (POTS) splitters such as the Cisco LRE 48 POTS Splitter
• Support for the rate selection, a utility that allows for automatic selection of transmission rates
through profiles and profile sequences
• A set of additional rate profiles
• Support for Reed-Solomon error correction
• Additional MIB support
• Support for the secure shell (SSH) and SNMPv3 crypto, with a protected port on 585 CPE devices
• Support for small form-factor pluggable (SFP) devices instead of gigabit interface converters
(GBIC); GigaStack is not supported on the 2950 LRE
Note Most Catalyst 2950 features also work on the Catalyst 2950 LRE switch, with the difference that LRE
switches use Long-Reach Ethernet rather than Fast Ethernet and Gigabit for the Gigabit ports.
For information about the Cisco LRE CPE devices, refer to the Cisco LRE CPE Hardware Installation
Guide. For information about the nonhomologated Cisco LRE POTS splitter, refer to the Installation
Notes for the Cisco LRE 48 POTS Splitter.
Ease of Use and Ease of Deployment
• Cluster Management Suite (CMS) software for simplifying switch and switch cluster management
through a web browser, such as Netscape Communicator or Microsoft Internet Explorer, from
anywhere in your intranet