(Answer) (Category) NetMAXFAQ : (Category) Hardware :
Can I use my General Instruments SB1000 one-way cable modem with NetMAX Fire Wall?
Applies to: NetMAX version 2.1
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The General Instruments SB1000 is supported in the NetMAX L22PV2.1 product.

In order for the NetMAX to recognize it, you must set up the SB1000 driver. This requires configuring Linux's Plug-and-Play (PnP) system. The simple method, which should work for most installations, is to:

  • Obtain a "root" shell on your NetMAX. Use "telnet" to log in as an administrator, and then "su".
  • Type the following command:
    /sbin/pnpdump -c | /bin/sed -e 's;(CHECK);;' > /etc/isapnp.conf
    
  • It is extremely important to check the resulting /etc/isapnp.conf file to make sure that the GIC board has the correct IO 0 BASE, IO 1 BASE, and INT 0 IRQ values. If you have the Microsft Windows drivers installed, then you can use the System Control Panel to determine the correct values for these parameters. Also check this file for conflicting IO and IRQ parameters regarding other devices that the PnP setup software ma have found.

  • Type the following command:
    echo "sb1000" >> /etc/netmods.list
    
    (note that there are two ">" characters)

  • Reboot your NetMAX for the changes to take effect.
Now, when configuring dial-out modems (Home -> Network -> Interfaces -> ttyS#), you will see a checkbox for Use with a CableModem. Check this box, and enter the frequency (in MHz) that you will be using (your Cable provider must give you this information). You will probably want to set the Enable IP NAT option as well.

After setting up the dial-out modem, visit the Home -> Network -> Routing page and set the Default Router to the dial-out modem you just configured (ttyS#).

Then visit the Home -> Network -> DNS page and set the Allowed to use InterNIC checkbox, so your NetMAX can resolve names on the Internet.

Lastly, Commit all of these changes.

The next time your NetMAX needs to access the Internet, it should automatically dial your Cable service provider.


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