HOW TO CONFIGURE ACTIVE/BACKUP BONDING IN RED HAT You will need identify the interfaces that you need to configure on the server and confirm with Networking the configuration for those port. In our case I will configure the interfaces em4 and em5 in bonding, with a bond0 and after that I will configurate a bond0.23 refering the VLAN 23 over the bonding (bond0) The configuration for the interfaces is the following: #vi/etc/sysconfig/network-scripts/ifcfg-em4 DEVICE=em4 MASTER=bond0 SLAVE=yes TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=no BOOTPROTO=static #vi /etc/sysconfig/network-scripts/ifcfg-em5 DEVICE=em5 TYPE=Ethernet MASTER=bond0 ONBOOT=yes SLAVE=yes NM_CONTROLLED=no BOOTPROTO=static After defining the configuration in the interfaces, I will need to define the bonding #vi /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 TYPE=Ethernet ONBOOT=yes NM_CONTROLLED=no BOOTPROTO=static BONDING_OPTS="mode=1 miimon=50 primary=em4" The BONDING_OPTS, define
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