On 8/13/07, Doug Coats <dcoatshca at gmail.com> wrote: > 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 As far as I understand networking, if you only have 1 MAC, you only have 1 NIC. You might have 2 connectors, but that seems really strange. It seems like this is some sort of undefined behavior. I think that having only 1 MAC really *IS* an issue. Is it possible they are set up to do of link teaming or something like that? My suggestion is to get another network card.