Below is perfect and working.. we used on prod. Bit missing in yours. /etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0 BOOTPROTO=static IPADDR=1.2.3.4 NETMASK=255.255.255.0 GATEWAY=4.3.2.1 ONBOOT=yes USERCTL=no BONDING_MASTER="yes" Regards, Mubeen Nakade. - [Non-text portions of this message have been removed]