[CentOS] Re: Forcing ifcfg-eth0 to use the same nic in multi nic machine

Scott Silva ssilva at sgvwater.com
Mon Aug 13 19:11:53 UTC 2007


Doug Coats spake the following on 8/13/2007 11:38 AM:
> I am new to CentOS (coming from Fedora) and I really like it!
> 
> I am having difficulty getting one of my machines to boot and assign
> the same designation of eth0 and eth1 to the same nics consistantly.
> 
> I have an MSI motherboard with 2 nics on the board.  Strangely enough
> both nics report the same MAC address.  This is not an issue since I
> use the computer to route between two different subnets so they don't
> see each other on the network.
> 
> The problem comes when I reboot and they race against each other to
> see which one will get to be eth0.  If they switch my routing dies and
> I loose access with out rebooting and hoping they switch back or
> switching the actual cables.
> 
> I have googled and searched my networking resources but all of the
> fixes that I have found focus on using the MAC address to solve the
> problem but in my case they are the same.
> 
> The only difference is that they use different drivers.  One is a
> Realtek and other is a Marvell.
> 
> I have turned off Kudzu or they reconfigured every time a booted the
> machine.  It only happens every once in a while but I need it to be
> consistent.
> 
> Any suggestions or pushes in the right direction would be most appreciated.
> 
> Doug Coats
Is the boards bios up to date?
Do you have the proper alias entries in  /etc/modprobe.conf?


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