[root@localhost network-scripts]# cat ifcfg-bond0
BOOTPROTO=static
IPADDR=1.1.1.1
NETMASK=255.255.255.0
DEVICE=bond0
ONBOOT=yes
BONDING_OPTS="mode=1 miimon=100"
[root@localhost network-scripts]# cat ifcfg-ens5
TYPE=Ethernet
BOOTPROTO=none
DEVICE=ens5
ONBOOT=yes
MASTER=bond0
slave=yes
[root@localhost network-scripts]# cat ifcfg-ens4
TYPE=Ethernet
BOOTPROTO=none
DEVICE=ens4
ONBOOT=yes
MASTER=bond0
slave=yes
[root@localhost network-scripts]# cat /etc/modprobe.d/modprobe.conf
alias bond0 bonding
options bond0 miimon=100 mode=1
[root@localhost network-scripts]#
[root@localhost network-scripts]#
[root@localhost /]# cat etc/rc.d/rc.local
#!/bin/bash
# THIS FILE IS ADDED FOR COMPATIBILITY PURPOSES
#
# It is highly advisable to create own systemd services or udev rules
# to run scripts during boot instead of using this file.
#
# In contrast to previous versions due to parallel execution during boot
# this script will NOT be run after all other services.
#
# Please note that you must run 'chmod +x /etc/rc.d/rc.local' to ensure
# that this script will be executed during boot.
touch /var/lock/subsys/local
modprobe bonding
ifconfig bond0 up
ifenslave bond0 ens4 ens5
[root@localhost /]#
[root@localhost /]# cat proc/net/bonding/bond0
Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011)
Bonding Mode: fault-tolerance (active-backup)
Primary Slave: None
Currently Active Slave: ens4
MII Status: up
MII Polling Interval (ms): 100
Up Delay (ms): 0
Down Delay (ms): 0
Slave Interface: ens4
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 52:54:00:22:b6:39
Slave queue ID: 0
Slave Interface: ens5
MII Status: up
Speed: 1000 Mbps
Duplex: full
Link Failure Count: 0
Permanent HW addr: 52:54:00:d9:b9:5a
Slave queue ID: 0
[root@localhost /]#
[root@localhost /]#
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