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I have installed esxi with some VM's.

Ubuntu server was the first and was fine. With his own external ip. CentOS 6 was installed and configured the network with other external ip. Everything ok. After, I installed CentOS 5.6 to try virtualization over virtualization(xen). And i tried to configure the network, like the ubuntu server and Centos 6. I have the same config files in centos 6 and in centos 5.6.

When i ping in the centos 5.6 where is the problem, i get this:

Ping (8.8.8.8)...
From xx.xx.xx.xx Destination Host Unreachable

xx.xx.xx.xx is the ip of the server and it is also the broadcast. You can think it is bad configured, but in the official manual of ovh, and in centos 6 the broadcast must be the ip.

It's really frustrating, because in others virtual machines it works that ip, but in centos 5.6. I tried to create 1 more centos 5.6 but it's the same, is like centos 5.6 has problems with esxi...

PD: When i'm configuring the centos 5.6, the others virtual machines are down...

No iptables, no selinux.

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Let me get this straight: You have CentOS 6 running as a VM on ESXi and then run CentOS 5.6 as VM inside the virtual CentOS 6 machine? –  SvW Aug 25 '11 at 19:28
    
Nono, sorry. I have esxi, and inside the CentOS 5.6. I talked about CentOS 6 because my network was ok there. You can forget it. Thanks. –  Jorge Bellido Aug 25 '11 at 19:29
    
So you set the VM IP and broadcast to the same value?! –  David Aug 25 '11 at 20:07
    
Yes, but it's well configured. I configured it in others vm's and are ok. And in the officials how-to they say that. Btw, someone said the same so i commented that line, is unnecesary. –  Jorge Bellido Aug 25 '11 at 20:15
    
no one thinks anything? –  Jorge Bellido Aug 26 '11 at 1:56

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