3Com 3CR856-95 manual Frequently Asked Questions

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.

Frequently Asked Questions

How many computers on the LAN does the Cable/DSL Secure Gateway support?

A maximum of 253 computers on the LAN are supported.

There are only 4 LAN ports on the Gateway. How are additional computers connected?

You can expand the number of connections available on your LAN by using hubs and switches connected to the Gateway. 3Com OfficeConnect hubs and switches provide a simple, reliable means of expanding your network; contact your supplier for more information, or visit:

http://www.3com.com.

Does the Gateway support virtual private networks (VPNs)?

The Gateway fully supports VPNs It is capable of:

■Initiating and terminating IPSec connections.

■Terminating L2TP over IPSec and PPTP connections.

■Providing hardware accelerated encryption for IPSec VPNs and IPSec VPNs within L2TP over IPSec.

■Providing VPN pass-through.

Where can I download software upgrades for the Gateway?

Upgrades to the Cable/DSL Secure Gateway software are posted on the 3Com support web site, accessible by visiting:

http://www.3com.com

What other online resources are there?

The 3Com Knowledgebase at:

http://knowledgebase.3com.com

is a database of technical information covering all 3Com products. It is updated daily with information from 3Com technical support services, and it is available 24 hours a day, 7 days a week.

70