centos多网卡绑定,centos网卡绑定1. 创建绑定接口b


RHEL6与以前的Redhat Linux版本在网络配置方面略有不同,本文详述RHEL6下多网卡绑定的配置操作过程。

1. 创建绑定接口bond0

[root@Hostname ~]#touch /etc/sysconfig/network-scripts/ifcfg-bond0

[root@Hostname ~]#cat /etc/sysconfig/network-scripts/ifcfg-bond0

DEVICE=bond0

ONBOOT=yes

IPADDR=172.24.254.13

BOOTPROTO=none

NETMASK=255.255.255.0

TYPE=Ethernet

GATEWAY=172.24.254.91

BONDING_OPTS="MODE=0 MIIMON=1000"

2. 配置物理接口eth2,eth3,eth4,eth5

[root@Hostname ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth2

DEVICE=eth2

ONBOOT=yes

BOOTPROTO=none

TYPE=Ethernet

[root@Hostname ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth3

DEVICE=eth3

ONBOOT=yes

BOOTPROTO=none

TYPE=Ethernet

[root@Hostname ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth4

DEVICE=eth4

ONBOOT=yes

BOOTPROTO=none

TYPE=Ethernet

[root@Hostname ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth5

DEVICE=eth5

ONBOOT=yes

BOOTPROTO=none

TYPE=Ethernet

3.配置Bonding配置文件/etc/modprobe.d/bond0.conf

[root@Hostname ~]# cat /etc/modprobe.d/bond0.conf

alias bond0 bonding

4.修改系统配置文件/etc/rc.local,在文件末尾增加如下内容

ifenslave bond0 eth2 eth3 eth4 eth5

5.重启系统,让配置生效


更多信息请参考:


http://www.linuxtopia.org/online_books/rhel6/rhel_6_deployment/rhel_6_deployment_sec-Using_Channel_Bonding.html


另外:如果在RHEL6下执行:


service network restart

时,报如下错误:


Bringing up interface bond0: Error: Connection activation failed: Device not managed by NetworkManager

此错误是因为系统中默认由NetworkManager服务管理网络,可以将其停止:

[root@Hostname ~]#chkconfig NetworkManager off

[root@Hostname ~]#service NetworkManager stop

[root@Hostname ~]#chkconfig network on

[root@Hostname ~]#service network restart

注意NetworkManager区分大小写。

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