Linux network bonding guide
Configuring the environment
bond0
LAN1 port 1( device name : eno1) & LAN2 port 1 (device name: ens2f0)
bond1
LAN1 port 4( device name : eno4) & LAN2 port 4 (device name: ens2f3)
We will configure two network bonding, named respectively bond0, bond1.
If you configure one bonding , you only need to configure bond0.
1) Step1 : NetworkManger service stop and disable
[root@isvnap1p network-scripts]# systemctl stop NetworkManager
[root@isvnap1p network-scripts]# chkconfig NetworkManager off
Note: Forwarding request to 'systemctl disable NetworkManager.service'.
Removed symlink /etc/systemd/system/multi-user.target.wants/NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.NetworkManager.service.
Removed symlink /etc/systemd/system/dbus-org.freedesktop.nm-dispatcher.service.
2) Step2 : configure Network device bond0, bond1
[root@isvnap1p network-scripts]# cat /etc/modprobe.d/bond.conf
alias bond0 bonding
alias bond1 bonding
#### bond0 device
[root@isvnap2p network-scripts]# cat ifcfg-bond0
DEVICE=bond0
IPADDR=192.168.100.182
NETMASK=255.255.255.0
GATEWAY=192.168.100.1
USERCTL=no
BOOTPROTO=none
ONBOOT=yes
BONDING_OPTS="mode=1 miimon=100"
[root@isvnap2p network-scripts]# cat ifcfg-eno1
DEVICE=eno1
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none
[root@isvnap2p network-scripts]# cat ifcfg-ens2f0
DEVICE=ens2f0
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none
#### bond1 device
[root@isvnap2p network-scripts]# cat ifcfg-bond1
DEVICE=bond1
IPADDR=192.168.100.192
NETMASK=255.255.255.0
GATEWAY=192.168.100.1
USERCTL=no
BOOTPROTO=none
ONBOOT=yes
BONDING_OPTS="mode=1 miimon=100"
[root@isvnap2p network-scripts]# cat ifcfg-eno4
DEVICE=eno4
USERCTL=no
ONBOOT=yes
MASTER=bond1
SLAVE=yes
BOOTPROTO=none
[root@isvnap2p network-scripts]# cat ifcfg-ens2f3
DEVICE=ens2f3
USERCTL=no
ONBOOT=yes
MASTER=bond1
SLAVE=yes
BOOTPROTO=none
3) Step3 : configure Network device bond0, bond1
[root@isvnap2p network-scripts]# service network restart
4) Check the bonding device IP is correctly assigned
[root@isvnap1p ~]# ifconfig -a
bond0: flags=5187<UP,BROADCAST,RUNNING,MASTER,MULTICAST> mtu 1500
inet 192.168.100.181 netmask 255.255.255.0 broadcast 192.168.100.255
inet6 fe80::f603:43ff:fe43:26f8 prefixlen 64 scopeid 0x20<link>
ether f4:03:43:43:26:f8 txqueuelen 1000 (Ethernet)
RX packets 10240 bytes 1664280 (1.5 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 531 bytes 77977 (76.1 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
bond1: flags=5187<UP,BROADCAST,RUNNING,MASTER,MULTICAST> mtu 1500
inet 192.168.100.191 netmask 255.255.255.0 broadcast 192.168.100.255
inet6 fe80::4adf:37ff:fe09:c713 prefixlen 64 scopeid 0x20<link>
ether 48:df:37:09:c7:13 txqueuelen 1000 (Ethernet)
RX packets 2468 bytes 215889 (210.8 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 46 bytes 7198 (7.0 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eno1: flags=6211<UP,BROADCAST,RUNNING,SLAVE,MULTICAST> mtu 1500
ether f4:03:43:43:26:f8 txqueuelen 1000 (Ethernet)
RX packets 94 bytes 11885 (11.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 83 bytes 11464 (11.1 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 16
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