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keepalived vrrp安装配置主主模式自动切换v1.0

Author:gaojinbo
Time:2012-2-15
Email:admin@gaojinbo.com

keepalived vrrp非常有用，主要的应用场景就是vrrp+lvs实现ha，而且2台lvs同时使用，1台坏了会自动切换到另一台。

1.环境
ubuntu 10.04

2.安装vrrp

apt-get install keepalived

3.配置vrrp

1)vrrp1配置

vi /etc/keepalived/keepalived.conf
global_defs {
        notification_email {
                admin@gaojinbo.com
        }
        notification_email_from  vrrp@gaojinbo.com
        smtp_server 127.0.0.1
        smtp_connect_timeout 3
        lvs_id LVS_TEL1
	router_id LB1
}

###config vrrp start###
vrrp_instance VI_1 {
    state MASTER
    interface eth1
    garp_master_delay 10
    smtp_alert
    virtual_router_id 21
    priority 100
    advert_int 1
 authentication {
        auth_type PASS
        auth_pass gaojinbo
    }
    virtual_ipaddress {
        119.147.147.101
        119.147.147.102
        119.147.147.103
    }
}

vrrp_instance VI_2 {
    state BACKUP
    interface eth1
    garp_master_delay 10
    smtp_alert
    virtual_router_id 22
    priority 99
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass gaojinbo
    }
    virtual_ipaddress {
        119.147.147.111
        119.147.147.112
        119.147.147.113
    }
}

###config vrrp end###

2)vrrp2 配置

vi /etc/keepalived/keepalived.conf
global_defs {
        notification_email {
                admin@gaojinbo.com
        }
        notification_email_from  vrrp@gaojinbo.com
        smtp_server 127.0.0.1
        smtp_connect_timeout 3
        lvs_id LVS_TEL2
	router_id LB2
}

###config vrrp start###
vrrp_instance VI_1 {
    state BACKUP
    interface eth1
    garp_master_delay 10
    smtp_alert
    virtual_router_id 21
    priority 99
    advert_int 1
 authentication {
        auth_type PASS
        auth_pass gaojinbo
    }
    virtual_ipaddress {
        119.147.147.101
        119.147.147.102
        119.147.147.103
    }
}

vrrp_instance VI_2 {
    state MASTER
    interface eth1
    garp_master_delay 10
    smtp_alert
    virtual_router_id 22
    priority 100
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass gaojinbo
    }
    virtual_ipaddress {
        119.147.147.111
        119.147.147.112
        119.147.147.113
    }
}

###config vrrp end###

4.启动vrrp

/etc/init.d/keepalived start

5.测试

停止任意一台vrrp，在另一台执行：

ip a

完成！

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