CentOS 6.5: configure bonding

bond0: eth0, eth1 ( active eth0, standby eth1 )

create a file uder /etc/modprobe.d directory.

# cat /etc/modprobe.d/bonding.conf alias bond0 bonding options bond0 mode=1 primary=eth0 miimon=500

mode 1 is active – standby.

# grep -v ^# /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE="eth0" BOOTPROTO="none" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" MASTER=bond0 SLAVE=yes

# grep -v ^# /etc/sysconfig/network-scripts/ifcfg-eth1 DEVICE="eth1" BOOTPROTO="none" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" MASTER=bond0 SLAVE=yes

create a bond0 file.

# grep -v ^# /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE="bond0" BOOTPROTO="static" NM_CONTROLLED="yes" ONBOOT="yes" TYPE="Ethernet" IPADDR=10.0.0.10 NETMASK=255.255.255.0

reboot the OS.

# cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009) Bonding Mode: fault-tolerance (active-backup) Primary Slave: None Currently Active Slave: eth0 MII Status: up MII Polling Interval (ms): 500 Up Delay (ms): 0 Down Delay (ms): 0 Slave Interface: eth0 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: Slave queue ID: 0 Slave Interface: eth1 MII Status: down Speed: Unknown Duplex: Unknown Link Failure Count: 0 Permanent HW addr: Slave queue ID: 0