[CentOS] Network issue after new kernel install

Paul Norton paul at neoverve.com
Thu Nov 1 18:24:50 UTC 2007

Michael D. Kralka wrote:
> Paul Norton wrote:
>> On all of my CentOS 5 VMWare ESX3 virtual machines (about 15), after
>> installing a new kernel and rebooting the machine, the Network script
>> tries to run dhclient and can't determine the IP info (since I don't run
>> a dhcpd server... it's a static IP only lan).  This also backs up my
>> ifcfg-eth0 file to ifcfg-eth0.bak and writes a new ifcfg-eth0 that has
>> dhcpd with no IP info.  Copying the ifcfg-eth0.bak to ifcfg-eth0 and
>> running /etc/init.d/network start or ifup eth0 brings my network back up.
> I have found that kudzu does this if it detects changes in the MAC
> addresses of your NICs. Did you clone/copy your virtual machine and did
> VMware regenerate MAC addresses for your virtual NICs?

Yes, these are all clones(From one base image).  Would I just copy the 
MAC address given from VMWARE to the ifcfg-eth0 file?

Paul Norton
Systems Administrator
Neoverve - www.neoverve.com
Neoverve Blog - http://blog.neoverve.com/

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