Re: [SOLVED] Network not configured in VM

[Jayapal Reddy Uradi <ja...@citrix.com>]

Added SOLVED tag

On 24-Oct-2013, at 11:20 AM, Chirag Choudhary <ch...@gmail.com> wrote:

> Thanks Lucian@Nux and Shankar, with your suggestions I was able to fix the
> issue. For fixing the current running VM i did "dhclient eth0".
> and for making it a template i changed the ONBOOT=yes and BOOTPROTO=dhcp
> (also required for restart of machine/ network)
> and it works well.
> :)
> 
> Thanks & Regards
> 
> 
> On Wed, Oct 23, 2013 at 11:26 PM, Shanker Balan <shanker.balan@shapeblue.com
>> wrote:
> 
>> On 23-Oct-2013, at 9:21 pm, Nux! <nu...@li.nux.ro> wrote:
>> 
>>> On 23.10.2013 13:55, Chirag Choudhary wrote:
>>>> Hi,
>>>>    I created a new instance of rhel 6.2 from iso in cloudstack.
>>>> Cloudstack UI is showing the it has an IP assigned to it with the
>> netmask ,
>>>> gatway and other things but when I logged in to the VM, it only has one
>>>> network interface running : lo
>>>> I manually did the network configuration to the match that of
>> cloudstack.
>>>> I took its template and created one more instance but still in the new
>>>> instance the only interface running was lo. Here are the logs while
>>>> installing the VM from the iso :
>>>> http://pastebin.com/1xvmV454
>>>> what can be the possible reason behind it and how can it be rectified.
>>>> ( I had previously created Ubuntu VM and it was properly configured , so
>>>> the cloudstack network manager seems to be good. )
>>> 
>>> I'm citing from distant memories here, but I believe the default EL6
>> install does not activate the network unless you tell it so.
>>> You just need to make sure eth0 starts at boot and is set up as dhcp, or
>> manually do a "dhclient eth0".
>> 
>> 
>> Yeah.
>> 
>> Its an install time option to ensure that your ethernet is set to activate
>> on boot. I have run into the same on a baremetal RHEL/CentOS setup where I
>> forgot to tick the checkbox during the installation phase.
>> 
>> Chirag, make sure the ONBOOT=yes flag is set in the ifcfg-eth0 file as
>> below:
>> 
>> [root@csman2-1 ~]# grep ONBOOT /etc/sysconfig/network-scripts/ifcfg-eth0
>> ONBOOT=yes
>> 
>> 
>> --
>> @shankerbalan
>> 
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>> 
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> 
> 
> 
> -- 
> Chirag Choudhary,
> Software Engineer