/etc/sysconfig/network-scripts/ifcfg-lo:0

DEVICE=lo:0
BOOTPROTO=static
IPADDR=192.168.246.50
NETMASK=255.255.255.255
ONBOOT=yes


http://reductivelabs.com/trac/puppet/wiki/TypeReference#id359 -- trying to configure using interface type, is this equivalent?

interface {"192.168.246.50":
   interface => "lo",
   interface_type => alias,
   ifnum => 0,
   netmask => "255.255.255.255",
   onboot => true,
}