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Old 09-07-2012, 03:57 AM   #1
Registered: Nov 2010
Distribution: RedHat
Posts: 88

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Question Smoothwall networking configuration on 1 NIC

I am working on "Smoothwall Express 3" these days and having a problem.
1. Is it possible to run Smoothwall with only 1 NIC ?
Is it possible to use 1 NIC card for both Internal and External communication ?

2. I can assign 2 different IPs to 1 NIC by doing this:
# ifconfig eth0:1
# ifconfig eth0:2

So now is it possible to use IP as a GREEN interface and IP for RED interface ?

3. If answer is NO, then
Is it possible to use my USB data card as internet source (RED interface) and my 1 NIC card as a GREEN interface ?

I also checked the Smoothwall installation PDF "smoothwall-express-3.0-install-guide".
There under the topic "System and Hardware Specifications" they mentioned that

Network interface cards: A minimum of one supported network interface card (NIC).
If the connection to the Internet is via a broadband device such as a cable modem, ethernet-presented ADSL, or another ethernet-presented connection, you will need a second NIC.

Here are my available internet connection options:
A. I can use my data card (in this case, Smoothwall system is not detecting/showing the dongle. So how to do that ?)
B. I have broadband connection which I use by connecting my system by cable wire.

So if it is really possible to make it run with 1 NIC, can you please explain me
how to do that ?

Please let me know if you need more info from my side...
Thanks in advance...
Old 09-07-2012, 09:10 PM   #2
LQ Newbie
Registered: Sep 2012
Posts: 11

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1. Smoothwall probably does not have a correct driver for your USB network device. Especially true if it's a wireless device.
2. No, it's not possible to have two interfaces on a single NIC.

You can add your own drivers to an existing Smoothwall box by compiling the driver and adding the utilities required to bring the wireless interfaces up or installing a homebrew mod from the smoothwall community forum.

I would check the smoothwall mod section over at their forums here or here. Also, when planning a purchase of smoothwall compatible hardware, you can look for your hardware in the compatibility list here.


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