Network Card Redundancy in Linux

Article Title: Nic redundancy in Linux. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems and open-source systems. 1. Add bonding devices to/etc/modules. conf.

Alias bond0 bonding

2. edit/etc/sysconfig/network-scripts/ifcfg-ethX for eth0 and eth1. The content of these two files is identical except for the DEVICE field.

DEVICE = ethX

USERCTL = no

ONBOOT = yes

MASTER = bond0

SLAVE = yes

BOOTPROTO = none

This will make ethX (replace X with the number of the Ethernet device, such as eth0 and eth1) from the bond0 master device

3. Create a network script for the bonding device (for example:/etc/sysconfig/network-scripts/ifcfg-bond0), similar to the following example

DEVICE = bond0

USERCTL = no

ONBOOT = yes

BROADCAST = 192.168.1.255

NETWORK = 192.168.1.0

NETMASK = 255.255.255.0

GATEWAY = 192.168.1.1

IPADDR = 192.168.1.10

4. reboot the system to make the change take effect. You can also manually restart the network. For example:

/Sbin/service network restart