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Old 02-21-2009, 12:59 PM   #1
v_fone
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Registered: Feb 2009
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Problems with bonding configuration


Hello everyone.

I have a big problem with a RHEL 5.2 installation. The problem is the following:

I have tried to configure the bonding (I have only two ethernet's, eth0 and eth1) creating the files ifcfg-etho0/1 and ifcfg-bond0, but, I dont know why, the bonding module is not loaded at the system started. Then, I included on /etc/modprobe.conf the new module, but it isnt loaded and when the system restart, on the screen appears the message that the ip is in use by another host, but it's fake due to if I configure the ethernets without bonding but maintaining the same IP, it works fine.
And if I include the bonding module on modprobe.conf or if I load on memory (with insmod or modprobe commands) and rebuild the init with mkinitrd, when I restart the system appears the same error and doesnt appear the bonding module (I have seen with lsmod | grep bonding)
Have anyone see this problem before? If I doesnt explain me well, I'll try to do better.
Thanks
 
Old 02-21-2009, 02:16 PM   #2
lazlow
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Registered: Jan 2006
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Post your ifcfg-(all three). It looks like one of the ethX is going out and grabbing an ip before the bond) is formed. After you make the changes have you just tried restarting the network service rather than rebooting?
 
Old 02-21-2009, 02:40 PM   #3
kirukan
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Location: Eelam
Distribution: Redhat, Solaris, Suse
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We are using RHEL5.2 & i configured bond on our systems its working fine
http://www.cyberciti.biz/tips/linux-...interface.html
this url may be useful
 
Old 02-21-2009, 03:09 PM   #4
v_fone
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Registered: Feb 2009
Posts: 46

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Thanks for your response

Here are the files

ifcfg-bond0:
USERCTL=no
BOOTPROTO=none
IPADDR=XXX.XXX.XXX.XXX
NETMASK=255.255.0.0
BROADCAST=XXX.XXX.255.255
ONBOOT=yes

ifcfg-eth0:
DEVICE=eth0
BOOTPROTO=none
ONBOOT=yes
USERCTL=no
MASTER=bond0
SLAVE=yes

ifcfg-eth1:
DEVICE=eth1
BOOTPROTO=none
ONBOOT=yes
USERCTL=no
MASTER=bond0
SLAVE=yes

And yes, first of all I did "service network restart" and appears exactly the same error, The ip is already in use by another host.

Thanks!

Last edited by v_fone; 02-21-2009 at 03:16 PM.
 
Old 02-25-2009, 06:23 AM   #5
v_fone
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Registered: Feb 2009
Posts: 46

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Quote:
Originally Posted by kirukan View Post
We are using RHEL5.2 & i configured bond on our systems its working fine
http://www.cyberciti.biz/tips/linux-...interface.html
this url may be useful
I follow the guide and now everything works fine!! Thanks
 
  


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