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                ~~~ <span><span>環境:RHEL6.5+Virtual Box</span></span> 1.確定Linux是否支持bonding [root@lmsin ~]# modinfo bonding 返回bonding信息,表示支持,空白,就是不支持。不支持,需要重新編譯內核(???) 2.檢查ifenslave工具是否存在 [root@lmsin ~]# which ifenslave /sbin/ifenslav 如果沒有,需要單獨編譯出來(??) 下面將eth0和eth1網卡設備綁定為一個網卡,綁定名稱為bond0 3.創建/etc/sysconfig/network-scripts/ifcfg-bond0文件,加入以下代碼: [root@lmsin ~]# vi /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 ONBOOT=yes BOOTPROTO=none IPADDR=186.168.100.112 NETMASK=255.255.255.0 IPV6INIT=no USERCTL=no #this device is controled only by root GATEWAY=186.168.100.1 4.更改/etc/sysconfig/network/network-scripts/ifcfg-eth0網卡配置文件的內容: [root@lmsin ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth0 DEVICE=eth0 ONBOOT=yes BOOTPROTO=none MASTER=bond0 #imply the eth0 bond to bond0 SLAVE=yes USERCTL=no 5.更改/etc/sysconfig/network/network-scripts/ifcfg-eth1網卡配置文件的內容: [root@lmsin ~]# vi /etc/sysconfig/network-scripts/ifcfg-eth1 DEVICE=eth1 ONBOOT=yes BOOTPROTO=none MASTER=bond0 #imply the eth0 bond to bond0 SLAVE=yes USERCTL=no 6.編輯/etc/modprobe.conf文件,加入以下內容: [root@lmsin ~]# vi /etc/modprobe.conf #20150914 added by liming testing bonding alias bond0 bonding options bond0 miimon=100 mode=1 miimon是用來進行鏈路檢測的。例如miimon=100,表示系統每100ms監測一次鏈路連接狀態,如果有一條線路不通就轉入另一條線路。mode的值表示工作模式,共有0、1、2、3四中,常用的為0、1兩種: mode=0表示load balancing(round-robin)為負載均衡方式,兩個網卡都工作。如果有一個網卡不能正常工作,整個綁定通信將不能正常工作。 mode=1表示fault-tolerance(active-backup)提供冗余功能,采用主備工作方式,也就是說默認情況下只有一個網卡工作,另一個做備份。當一個網卡運行失敗,Linux會自動切換到另一個網卡上繼續工作。 注:如果需要做成負載均衡,僅僅設置options bond0 miimon=100 mode=0是不夠的,還需要交換機支持相應的功能。 7.綁定檢查: [root@lmsin ~]# service network restart [root@lmsin ~]# cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009) Bonding Mode: fault-tolerance (active-backup) Primary Slave: None Currently Active Slave: eth0 MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 Slave Interface: eth0 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 08:00:27:d1:89:0d Slave queue ID: 0 Slave Interface: eth1 MII Status: up Speed: 1000 Mbps Duplex: full Link Failure Count: 0 Permanent HW addr: 08:00:27:b5:d9:aa Slave queue ID: 0 ~~~
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