3Com 3C780 User Guide - Page 99

Downloading New Images

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4-12 Setting Up the Hub Downloading New Images When you power up the hub, it runs a series of self-tests and then executes the software image stored in the flash EPROM. Whenever you receive a software upgrade from 3Com, you will store the new image in an accessible network server that supports TFTP (Trivial File Transfer Protocol). You must download the new image from the server into the hub's flash EPROM. Using the TFTP option to download new images requires you to enter certain variables individually. This downloading method is described below. NOTE: You cannot load the flash image over the serial link via a modem. Downloading from the TFTP Option To download an image from a TFTP server, follow these steps: 1. Set the server location of the information to be downloaded. Type: set boot method [Enter] This selection prompt appears: Select one of the following: 1. LOCAL 2. TFTP Boot Method? 2. Select the TFTP server option. Type: 2 [Enter] This display appears, confirming your selection and showing that you also need to enter the TFTP server's IP address and the image filename. Boot parameters Method :TFTP Server : Filename :

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4-12
Setting Up the Hub
Downloading New Images
When you power up the hub, it runs a series of self-tests and then executes the
software image stored in the flash EPROM.
Whenever you receive a software upgrade from 3Com, you will store the new
image in an accessible network server that supports TFTP (Trivial File Transfer
Protocol).
You must download the new image from the server into the hub’s
flash EPROM.
Using the TFTP option to download new images requires you to enter certain
variables individually.
This downloading method is described below.
NOTE:
You cannot load the flash image over the serial link via a modem.
Downloading from the TFTP Option
To download an image from a TFTP server, follow these steps:
1.
Set the server location of the information to be downloaded.
Type:
set boot method [Enter]
This selection prompt appears:
Select one of the following:
1. LOCAL
2. TFTP
Boot Method?
2.
Select the TFTP server option.
Type:
2 [Enter]
This display appears, confirming your selection and showing that you also
need to enter the TFTP server’s IP address and the image filename.
Boot parameters
Method
:TFTP
Server
:
Filename :