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Introduction 1-1
1
Introduction
This chapter introduces the 6H203-24 and 6H253-13 SmartSwitch 6000 interface modules and
provides information about how to obtain additional support from Cabletron Systems.
1.1 OVERVIEW
The SmartSwitches shown in Figure 1-1 are Ethernet/Fast Ethernet interface modules for the
Cabletron Systems 6C105 chassis. The 6H203-24 has two RJ21 champ connectors, for a total of
24 switched ports. The 6H253-13 has one RJ21 champ connector, for a total of 12 switched ports
and 1 slot for an optional High Speed Interface Module (HSIM) or Very High Speed Interface
Module (VHSIM).
The SmartSwitch can be used to connect individual high-bandwidth user devices, such as
workstations, or to provide a central switching point for multiple 10/100 Mbps Fast Ethernet
segments. The optional HSIMs provide one or more high speed uplinks to networking
technologies such as Gigabit Ethernet, Fast Ethernet, Fiber Distributed Data Interface (FDDI),
Wide Area Network (WAN) and Asynchronous Transfer Mode (ATM). Some HSIMs can also
provide additional Fast Ethernet ports in varying media types. The optional VHSIMs provide very
high speed uplinks to networking technologies such as ATM and Gigabit Ethernet.
The SmartSwitch ports can be configured to control frame traffic several ways, including
prioritizing traffic flow according to protocol type. The SmartSwitches can also be configured to
establish Virtual Local Area Networks (VLANs) and control the flow of frames associated with
each VLAN according to priority and Ether type. Detailed information about VLANs is provided
in the Local Management User’s Guide for this module.
Important Notice
Depending on the firmware version used in the SmartSwitches, some features described in this
document may not be supported. Refer to the Release Notes shipped with the device to determine
which features are supported.