[CentOS] Network Name issue

Hi, 
I've installed CentOS 5 on a Dell pe1950 with 2 dual port NICS. 
One of the NIC is an Intel and use the e1000 module. 
The problem is when the server is rebooted it does no asign the ethx name to the NICs, instead the so assign something like _dev377362... 
so i dont have networking on the server. 

Any ideas what is happening and how to solve it? 

Thanks. 

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