[NTLUG:Discuss] Which nic the gateway?

[Stephen Davidson]

Hi Michael.

Don't know enough to give you an answer at this point.  SuSE stores its 
network settings in /etc/sysconfig/network/.  Maybe something in there 
will give you the needed hint.

Regards,
Steve

Michael Barnes wrote:
> I have a quick manual fix as well, "#ifdown eth0", "#ifup eth1" and it 
> all works fine after that.  However, it all worked fine until I needed 
> to do some network testing and temporarily assigned a static IP to the 
> on-board NIC.  Once I restored that to the normal DHCP service is when I 
> started having the problems.
>
> It would seem to me there should be some configuration I can set 
> someplace which would not allow a route through a nic which had no 
> connection or could not pull DHCP.  Every other machine I have had 
> experience with would default to a 167.? address (or something like 
> that) and not be in the routing table if it did not pull DHCP. The 
> on-board nic defaults to the last DHCP information it had in a cache 
> somewhere.
>
> Michael
>
>
> Stephen Davidson told me on 9/14/2006 6:42:
>   
>> HI Michael.
>>
>> I have a script that I manually run (SuSE 10.0 on a Dell Latititude, but 
>> should give you some idea).  The script does the following;
>> 1) 'Eject' the built in Wireless (there are some wireless networks in 
>> the vicinity that confuse things, and I have NOT figured out how to 
>> support multiple wireless secure and unsecured networks in Linux)
>> 2) Restart the networks services (forces a cleanup of the network stack)
>> 3) /etc/init.d/network down eth0 (shuts down the onboard NIC)
>>
>> After that, everything normally runs happily through the Docking 
>> Station's NIC.
>>
>> Regards,
>> Steve
>>
>> Michael Barnes wrote:
>>     
>>> I've got a Dell laptop running SUSE 9.2.  It has a built-in NIC (eth0) 
>>> and a second NIC (eth1) in the docking station.  When I come into the 
>>> office and put it into the dock and fire it up, it pulls DHCP from the 
>>> server.  My problem is, when using the dock, DHCP assigns a static IP 
>>> address, but assigns the gateway as reachable via eth0.  Then I have to 
>>> go to command line and ifdown eth0, then ifup eth1 to re-pull DHCP and 
>>> set the gateway reached via eth1.  Once I do that, then all is happy 
>>> until I reboot.
>>>
>>> I cannot seem to find anything in the DHCP configuration which allows me 
>>> to specify a specific NIC to use, or anything in the laptop that lets me 
>>> turn off the laptop NIC when in the dock.
>>>
>>> Thanks for any ideas,
>>> Michael
>>>
>>>       
>
> _______________________________________________
> http://www.ntlug.org/mailman/listinfo/discuss
>