3Com Version 8.1.2 C

CONTENTS

Overview 7

Before You Start 7

Upgrade Considerations 7

About Software Version 8.1.2 8

System Issues 10

Upgrade Considerations 11

Restrictions with ATMand 10BASE-FL Modul es 11

Error Message for Unsupported Configurations 13

Customer Documentation 14

Software Installation Procedure 15

Software Files on the Software CD-ROM 15

Software Files on the 3Com Web Site 15

Software Installation Process Summary 16

Copying Software to a Hard Disk 16

Preinstallation Tasks 17

Installing the Diagnostic Software 18

Installing the SystemSoftware 20

Loading the Expander File 20

Loading the Compressed Image 22

Rebooting the System 23

Reloading the Compressed Image 23

SNMP MIB Files 25

Compiler Support 25

Release History 26