On 12/23/2015 03:06 PM, Meikel wrote: > $ cat /etc/sysconfig/network-scripts/ifcfg-eth0 > DEVICE=eth0 > BOOTPROTO=static > IPADDR=xx.xx.xx.xx > NETMASK=255.255.255.0 > ONBOOT=yes > GATEWAY=xx.xx.xx.254 > > $ cat /etc/sysconfig/network-scripts/ifcfg-eth0:0 > DEVICE=eth0:0 > BOOTPROTO=static > IPADDR=yy.yy.yy.yy > NETMASK=255.255.255.255 this looks weak. Try to use the same netmask as you use for eth0. best regards Ulf