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Cisco Catalyst Operating System Software

for Cisco Catalyst 4000 Series Switches

®

®

This release of the Cisco Catalyst OS is the

first of many software releases targeted

solely at the Cisco Catalyst 4000 and

Catalyst 4500 series of modular and fixed

configuration switches. Please note that this

release of Catalyst OS is not compatible

with the Cisco Catalyst 6500 Series

switches. To indicate this incompatibility

the suffix GXL has been added to the

release name as well as to the image name.

This image is orderable under an

8.2(1)GLX part number.

The Cisco Catalyst 2948G-GE-TX

Gigabit Ethernet Switch is a new

fixed-configuration switch that provides

Gigabit Ethernet connectivity for small

and midsize networks. The Catalyst

2948G-GE-TX enhances network

performance and productivity with the

highest 10/100/1000BASE-T port density

in a one-rack-unit form factor in the

industry. The Catalyst 2948G-GE-TX is

an affordable solution for delivering gigabit

connectivity to the desktop over Category 5

copper cabling. This switch has 48

autosensing 10/100/1000BASE-T ports and

4 small form-factor pluggable (SFP) ports

for a total of 52 Gigabit Ethernet ports.

There are no new software features in this

release.

Table 1 lists the software versions and

applicable ordering information for the

Cisco Catalyst 4000 Series Supervisor

Engine software.

Caution: Back up the switch configuration

file before you upgrade or downgrade the

switch software. When you downgrade

switch software, you lose your

configuration. Issue the write network

command or the copy config tftp command

to back up your configuration to a Trivial

File Transfer Protocol server. Issue the copy

config flash command to back up the

configuration to a Flash memory device.