[TriLUG] Internet connection Sharing

[Chris Bullock]

Thanks for all the comments.  I think that I have my problem fixed, I 
replaced the compaq nic with another SMC, (therefore running the same 
NIC on both interfaces).  I was able to dhcp on the public if.  However, 
after this I could ping but could not resolve DNS entries.  Internet 
connection sharing builds shorewall which I am assuming blocks 
everything by default.  I shutdown shorewall and with some help from a 
collegue changed the IPtables to allow.  When I get some time to learn 
it, I will use IPtables instead of ICS for security.

--cgb
Chris Bullock wrote:

>I am tring to set up Internet connection sharing for my 
>home network.  Hardware, Using a Compaq deskpro with dual 
>nics, one compaq and one smc1211.  Have broadband coming 
>in from my modem to eth0 which is my compaq card.  eth1 
>(SMC)card is going to a Netgear 4-port 10mb hub which will 
>hopefully feed my internal machines.  I am using Mandrake 
>9.0 with all the updates.  I have tried this twice on two 
>different machines with the same result.  I goto Mandrake 
>Control Center and click Internet connection sharing and 
>go through the steps, download the needed packages and so 
>on, Configure my eth0 as the Internet interface and my 
>eth1 as the LAN interface.  All seems well until it 
>finishes configuring.  At this point my eth0 (Internet if) 
>goes down. No light on the card or the modem.  service 
>network start will not bring up external interface.  
>ifconfig does not show external but does show the 
>internal.  What file(s) does the Internet connection file 
>use so maybe I can look at to see anything that stands 
>out?  Or can someone help? 
> 
>Thanks in advance, 
> 
>--Chris  
>
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