[CentOS] Centos 6.5 em1 network can not up????

Jim Perrin jperrin at centos.org
Thu Aug 7 16:22:19 UTC 2014



On 08/07/2014 10:56 AM, mcclnx mcc wrote:
> We just got DELL R920 and installed Centos 6.5 on it.  After installation, network not function.  We manually enter IP address, gateway and netmark on "em1".  
> 
> 
> we also do following:
> 1. startup NetworkManager
> 2. /etc/sysconfig/network-scripts/ifcfg-em1  ==> NM_CONTROOLED=yes
> 
> I tried to startup network and get error message:
> 
> Bring up interface em1: connection activation failed
> Device not managed by NetworkManager or unavailable.
> 
> Any ideal?


You have a typo in the option you state in your 2. Fix it.

Also, how are you manually entering the ip/gateway and netmask? Are you
putting them in the config as well?

It would help to see the config to know where you might have mistakes.

-- 
Jim Perrin
The CentOS Project | http://www.centos.org
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