RHEL 6.x and 7.x network bonding

gistfile1.txt

makebond() {

BOND=$1
SLAVE1=$2
SLAVE2=$3
IPADDRESS=$4
NETMASK=$5
GATEWAY=$6
_HOSTNAME=$(hostname)                                                                                                             

if [ "$#" -eq "7" ] 
then 
  _HOSTNAME=$7
fi;

if [ "$#" -gt "5" ]
then

cat << EOF1 >/etc/sysconfig/network-scripts/ifcfg-${BOND}
#generated by bonding script
DEVICE=${BOND}
BOOTPROTO=none         
ONBOOT=yes
IPADDR=$IPADDRESS
NETMASK=$NETMASK
USERCTL=no
NM_CONTROLLED=no
BONDING_OPTS="mode=1 miimon=100 primary=${SLAVE1}"
                #come back to primary when link comes again
EOF1

mv /etc/sysconfig/network-scripts/ifcfg-${SLAVE1}  /etc/sysconfig/network-scripts/old$$_ifcfg-${SLAVE1}
cat << EOF2 >>/etc/sysconfig/network-scripts/ifcfg-${SLAVE1}
#generated by bonding script
DEVICE=${SLAVE1}
MASTER=${BOND}
SLAVE=yes
USERCTL=no
ONBOOT=yes
NM_CONTROLLED=no
EOF2

mv /etc/sysconfig/network-scripts/ifcfg-${SLAVE2}  /etc/sysconfig/network-scripts/old$$_ifcfg-${SLAVE2}
cat << EOF3 >>/etc/sysconfig/network-scripts/ifcfg-${SLAVE2}
#generated by bonding script
DEVICE=${SLAVE2}
MASTER=${BOND}
SLAVE=yes
USERCTL=no
ONBOOT=yes
NM_CONTROLLED=no
EOF3

mv /etc/sysconfig/network  /etc/sysconfig/old$$_network
cat << EOF4 >/etc/sysconfig/network
#generated by bonding script
NETWORKING=yes
NETWORKING_IPV6=no
IPV6_AUTOCONF=no
IPV6INIT=no

HOSTNAME=${_HOSTNAME}
GATEWAY=${GATEWAY}
GATEWAYDEV=${BOND}
EOF4

echo "alias ${BOND} bonding" > /etc/modprobe.d/bonding.conf

modprobe bonding 
service network restart

else
  echo "Usage: makebond  bond0 eth0 eth1  ip  netmask gateway [hostname]"
fi
}


###### makebond  bond0  eth0 eth1  xxx.XXx.XXX.XXX  255.255.255.0  xxx.xxx.xxx.1  hostname.with.optional.fqdn