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时间:2020-08-28
《linux下多网卡绑定.docx》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、linux下多网卡绑定假定将eth0,eth1,eth2,eth3绑定成bond0,步骤如下:(1) #vi/etc/modprobe.conf, 添加如下2行: aliasbond0bonding optionsbondingmiimon=100mode=4当mode=0时,交换机相应端口不需要做trunk,但是从节点上ping网关(192.*.*.*)有较大的延时。解决此问题的办法是把mode改成4,同时配置交换机相应端口开启链路聚合并捆绑为trunk。在modprobe.conf文件中,miimon参数用来监测网卡物理连接,
2、建议至少设为100mode参数用来设置绑定模式0 负载均衡(roundrobin策略)1active/backup模式,同一时间只有一块网卡使用。2 负载均衡(xor算法)3 广播模式4802.3ad模式,lagp协议,带宽翻倍。模式不能写错这里很容易出现不稳定的情况,多半是这里模式选择错了,所以在实施的时候需要小心,把模式确定了,然后在动手。(2)修改/etc/sysconfig/network-scripts/目录下的ifcfg-bond0,ifcfg-eth0,ifcfg-eth1,ifcfg-eth2,ifcfg-eth3.具体内容如下:[root@io102net
3、work-scripts]#pwd/etc/sysconfig/network-scripts[root@io102network-scripts]#catifcfg-bond0DEVICE=bond0BOOTPROTE=staticONBOOT=yesIPADDR=192.*.*.*NETMASK=255.255.255.0USERTCL=noGATEWAY=192.*.*.*[root@io102network-scripts]#catifcfg-eth0DEVICE=eth0BOOTPROTO=noneONBOOT=yesTYPE=EthernetUSERTCL=no
4、MASTER=bond0SLAVE=yes[root@io102network-scripts]#catifcfg-eth1DEVICE=eth1BOOTPROTO=noneONBOOT=yesTYPE=EthernetUSERTCL=noMASTER=bond0SLAVE=yes[root@io102network-scripts]#catifcfg-eth2DEVICE=eth2BOOTPROTO=noneONBOOT=yesTYPE=EthernetUSERTCL=noMASTER=bond0SLAVE=yes[root@io102network-scripts]#c
5、atifcfg-eth3DEVICE=eth3BOOTPROTO=noneONBOOT=yesTYPE=EthernetUSERTCL=noMASTER=bond0SLAVE=yes(3)查看bond0的状态[root@io102~]#more/proc/net/bonding/bond0EthernetChannelBondingDriver:v2.6.3-rh(June8,2005)BondingMode:IEEE802.3adDynamiclinkaggregationMIIStatus:upMIIPollingInterval(ms):100UpDelay(ms):
6、0DownDelay(ms):0802.3adinfoLACPrate:slowActiveAggregatorInfo: AggregatorID:1 Numberofports:4 ActorKey:17 PartnerKey:480 PartnerMacAddress:00:12:f2:cd:68:00SlaveInterface:eth0MIIStatus:upLinkFailureCount:0PermanentHWaddr:00:1e:0b:73:56:26AggregatorID:1SlaveInterface
7、:eth1MIIStatus:upLinkFailureCount:0PermanentHWaddr:00:1e:0b:73:56:a2AggregatorID:1SlaveInterface:eth2MIIStatus:upLinkFailureCount:0PermanentHWaddr:00:1e:0b:d5:34:d2AggregatorID:1SlaveInterface:eth3MIIStatus:upLinkFailureCount:0PermanentHWaddr:00:1e:0b:d5:34:d0
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