Linux Bonding Learning

Source: Internet
Author: User

Bonding Study Bonding Introduction

Bonding to bind multiple network cards to the same IP address to provide services externally, can achieve high availability or load balancing. It is not possible to film the same IP address directly for two network cards. Through bonding, a virtual one network card to provide external connection, the physical network card is modified to the same max address

Bonding type
MODE 0    轮转策略:从头到尾顺序的在每一个slave接口上面发送数据包,模式0提供负载均衡和容错的能力MODE 1(高可用策略)    活动-备份策略:只有一个slave被激活,当且仅当活动的那个slave接口失败时才会激活其他slave。    为了避免交换机发生混乱此时绑定的MAC地址只有一个外部端口上 可见MODE 3    广播策略:在所有的slave接口上传送所有的报文,提供容错能力
Bonding realization of BOND0 experiment
step1:创建bonding 主设备的配置文件            vim /etc/sysconfig/network-scirpts/ifcfg-bond0            DEVICE=bond0            BOOTPROTO=none            BONDING_OPTS="miimon=100 mode=0" (100为每100ms换一个设备接受数据包)step2:创建bonding 从设备的配置文件             vim /etc/sysconfig/network-scripts/ifcfg-eth0             DEVICE=eth0             BOOTPROTO=none             MASTER=bond0             SLAVE=yes             USERCTL=nostep3:关闭 NetworkManager 服务 service NetworkManager stop            开启bond0  ifup bond0             查看一下网卡状态


The configuration was successful. Test:

step4:ping这台机器,断开其中一个网卡测试

        说明了在模式0下数据包是在两个网卡上交替发送的,实现了负载均衡的功能
BOND1 Experiment
            step1:创建bonding 主设备的配置文件            vim /etc/sysconfig/network-scirpts/ifcfg-bond1            DEVICE=bond1            BOOTPROTO=none            BONDING_OPTS="miimon=100 mode=1" (100为每100ms换一个设备接受数据包)step2:创建bonding 从设备的配置文件             vim /etc/sysconfig/network-scripts/ifcfg-eth0             DEVICE=eth0             BOOTPROTO=none             MASTER=bond1             SLAVE=yes             USERCTL=nostep3:关闭 NetworkManager 服务 service NetworkManager stop            开启bond1  ifup bond1             查看一下网卡状态


Configuration succeeded

    step4:ping这台机器,断开其中一个网卡测试

Linux Bonding Learning

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