Centos Network Bonding (NIC Teaming Up)

yum install ethtool -y

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Create a new bond NIC called bond0 (192.168.0.100 is the bonding IP)

gedit /etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE=bond0
ONBOOT=yes
DNS1=8.8.8.8
IPADDR=192.168.0.100
NETMASK=255.255.255.0
GATEWAY=192.168.0.1
USERCTL=no
BOOTPROTO=none
NM_CONTROLLED=no

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gedit /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE=eth0
HWADDR=AA:A8:2A:20:05:C7
NM_CONTROLLED=no
ONBOOT=yes
USERCTL=no
MASTER=bond0
SLAVE=yes
BOOTPROTO=none


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gedit /etc/sysconfig/network-scripts/ifcfg-eth1


DEVICE=eth1
HWADDR=AA:A8:2A:20:05:C8
NM_CONTROLLED=no
ONBOOT=yes
USERCTL=no
MASTER=bond0
SLAVE=yes
BOOTPROTO=none

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gedit /etc/sysconfig/network-scripts/ifcfg-eth2

DEVICE=eth2
HWADDR=AA:A8:2A:20:05:C9
NM_CONTROLLED=no
ONBOOT=yes
USERCTL=no
MASTER=bond0
SLAVE=yes
BOOTPROTO=none



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gedit /etc/sysconfig/network-scripts/ifcfg-eth3

DEVICE=eth3
HWADDR=AA:A8:2A:20:05:CA
NM_CONTROLLED=no
ONBOOT=yes
USERCTL=no
MASTER=bond0
SLAVE=yes
BOOTPROTO=none


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gedit /etc/modprobe.d/bonding.conf

alias bond0 bonding
options bond0 mode=1 miimon=100 downdelay=200 updelay=200
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modprobe bonding

service network restart
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--------------------------------------------------------------- Finished--------------------------------------

check the Bonding status use the command below:

cat /proc/net/bonding/bond0

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