Recovering from Corrupted Software 89
Recovering from Corrupted Software If the Alert LED remains permanently on following power-up, it is possible
that the system software has become corrupted. In this condition, the
Gateway will enter a “recovery” state; DHCP is disabled, and the LAN IP
address is set to 192.168.1.1. Follow the instructions below to upload a
new copy of the system software to a Gateway unit in this state.
Ensure that one of your computers has a copy of the new software image
file stored on its hard disk or available on CD-ROM.
The latest software is available on 3Com’s Web site at:
www.3com.com.
1Remove power from the Gateway and disconnect the Cable/DSL modem
and all your computers, except for the one computer with the software
image.
2You will need to reconfigure this computer with the following static IP
address information:
■IP address: 192.168.1.2
■Subnet mask: 255.255.255.0
■Default Gateway address: 192.168.1.1
3Restart the computer, and re-apply power to the Gateway.
4Using the Web browser on the computer, enter the following URL in the
location bar:
http://192.168.1.1.
This will connect you to the Microcode Recovery utility in the Gateway.
5Follow the on-screen instructions. Enter the path and filename of the
software image file.
6When the upload has completed, the Gateway will restart, run the
self-test and, if successful, resume normal operation. The Alert LED will
go out.
7Refer to the Installation Guide to reconnect your Gateway to the
Cable/DSL modem and the computers in your network. Do not forget to
reconfigure the computer you used for the software upload.
If the Gateway does not resume normal operation following the upload,
it may be faulty. Contact your supplier for advice.