like content filtering, NTP etc will take 5 minutes delay to start in action.
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5.Upgrading Your Software
Although the upgrade process has been designed to preserve your configuration settings, 3Com recommends that you make a backup of the configuration before upgrading, in case the upgrade process fails (for example, the connection between the computer and the Firewall may be lost while the new software is being copied to the Firewall).
3Com also recommends that VPN users are disconnected and the Firewall is rebooted before starting the upgrade process.
To upgrade the OfficeConnect VPN Firewall:
1.Ensure that the Firewall is powered and a link is established with the host PC.
2.Ensure that the latest version of the Firewall firmware is located on the host PC. The latest version of the OfficeConnect VPN Firewall
software can be obtained from the following Web site: http://support.3com.com
3.Launch a web browser to the IP address of the Firewall and log in.
4.Select 'System Tools' from the menu bar on the left hand side of the screen.
5.Select the 'Upgrade' tab.
6.Browse to the location of the Firewall firmware, select the file and press the Apply button. You may need to change the file type in the dialog box to *.* to see the upgrade file.
7.Wait for the upgrade process to complete. This may take several minutes and is complete when the Alert LED has stopped flashing and stays off.
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6.3Com's World Wide Web site
Access the latest networking information on the 3Com Corporation World Wide Web site by entering the following URL into your Web browser:
http://www.3com.com/
You will find software upgrades, troubleshooting guides and other support information at the 3Com support site:
http://support.3Com.com/
For any additional information related to known issues on 3Com products please see also:
http://knowledgebase.3com.com
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7. Documentation Errors and Omissions