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5
Loading Software
into the Switch
Upgrade your Switch to the
Latest Software
This section describes how to upgrade your 3Com
the latest software.
The latest software for your switch can be obtained by visiting
www.3Com.com, selecting Support & Downloads then Downloads &
Drivers and entering the model number (3CRUS2475).
To provide enterprise-grade redundancy, the switch maintains two
software images in memory: Image 1 and Image 2. One image is used to
run the switch ("active"), and the other image provides backup
redundancy. You can set which image is running and which is redundant.
This sections describes how to put a new software image into your
Unified Switch 24. To run the new software, see see "Running a New
Software Image" on page 28. The switch software can be loaded using
HTTP or TFTP. HTTP instructions are listed below. For details on TFTP please
refer to the User Guide.
To upgrade the switch software using HTTP:
1 Copy the latest switch software from www.3Com.com to your PC.
2 Expand the downloaded software.
3 Log in to the switch Web interface.
4 Select Administration -> Software Update.
5 Select Download via HTTP.
6 Click Browse and locate the software you previously copied to your PC.
7 Click Apply.
The software will be loaded into the software image location that is not
active.
®
Unified Switch 24 to
27
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