Network manager does not work when aliases created

Solution Verified - Updated -

Issue

  • Network manager does not work when aliases created
  • created a ifcfg-eth0:1 file with: 
DEVICE=eth0:1  
ONBOOT=yes  
BOOTPROTO=static  
IPADDR=10.3.4.2  
NETMASK=255.255.0.0

When an ifup ifcfg-eth0:1 is done it does not bring up eth0:1 interface.

Environment

  • Red Hat Enterprise Linux 6
  • NetworkManager

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