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how can I add a second nic card to my linux to make a firewall?

Posted on 1999-06-24
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Last Modified: 2010-03-18
I have a little old compaq 133 being used as a test linux box.  I am pretty new to linux, and want to figure out how to add support for a second nic card to the box.
any idea?
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Question by:wyldgoat
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tfabian earned 200 total points
ID: 1585493
well, if your question is just adding a second NIC, the steps involved are as follows:

1)  install new NIC into system

2) turn system back on, boot into Linux

3)  logon as root, run    linuxconf

4)   under the section for the NIC, there should be a series of tabs..
one should say something like ETH0, the next shoould say ETH1, and so on..
 ETH0 should be your first network card, and it should be active, and should have addresses and values assigned to it..   the other tabs, ie. ETH1, ETH2, etc. should be blank and disabled at this point..

5)  click on the ETH1 tab, and fill in the fields appropriately.. get another IP address from your site admin.. get the right gateway address, etc. etc.  

6) to setup routing between the NIC, you'll need to fill in the appropriate information on the ROUTING tab.. without having it here in front of me, I think it's a few notches above the actual NIC configuration section in LINUXCONF..



good luck



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by:tfabian
ID: 1585494
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by:JBURGHARDT
ID: 1585495
The first step should be to buy nic that is supported by linux
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Expert Comment

by:what9
ID: 1585496
I might add supported by your release of Linux
best solution.

Alan
www.mosque.com


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