3Com ENTERPRISE OS 11.3 manual About This Guide, Conventions

ABOUT THIS GUIDE

This guide describes how to upgrade your NETBuilder® bridge/router to Enterprise OS software version 11.3. This guide also describes how to upgrade your PathBuilder™ S5xx series switch to Enterprise OS software version 11.3.

You can also use this guide to upgrade your NETBuilder bridge/router to previous software versions (8.0 through 11.2) by specifying the correct options.

You can upgrade your bridge/router from software version 8.0 through 11.2 to any software version after 8.0 through 11.3 on the following platforms:

■NETBuilder II® bridge/router with DPE

■NETBuilder II bridge/router with CEC — The CEC module is not supported after software version 10.1, but you can use the 11.2 utilities to upgrade a CEC module to a DPE module, or to upgrade the CEC module to software version 10.1 or earlier.

■SuperStack® II NETBuilder SI bridge/router

■SuperStack II NETBuilder Token Ring bridge/router

■OfficeConnect® NETBuilder bridge/router

You can upgrade your PathBuilder S5xx series switch to Enterprise OS software version 11.3 from version 11.1.1 and version 11.2.

This guide also describes how to complete an image-only upgrade for patches, new packages, or software recovery. It also describes how to backup and restore software on a network management station.

See the Enterprise OS Software Version 11.3 Release Notes for any changes or additions to the information in this guide.

Conventions	Table 1 and Table 2 list conventions that are used throughout this guide.
	Table 1	Notice Icons
	Icon	Notice Type	Description
		Information note	Important features or instructions
		Caution	Information to alert you to potential damage to a
			program, system, or device
		Warning	Information to alert you to potential personal injury