linux下双网卡绑定配置（Dual NIC binding configuration under Linux）.docVIP

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linux下双网卡绑定配置（Dual NIC binding configuration under Linux）.doc

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linux下双网卡绑定配置（Dual NIC binding configuration under Linux）

linux下双网卡绑定配置（Dual NIC binding configuration under Linux） In Linux how to do the double network card binding redundancy? A Linux, Channel Bonding The current release in each of the Linux, the most commonly used kernel version should be the version of 2.4.x, Linux and Channel Bonding, in Linux 2.4 kernel, provides bonding driver, can support multiple network adapters together as a network adapter to use. In Linux, high availability network card is through state monitoring of MII or ETHTOOL to achieve, therefore, need to check whether the network adapter system support MII or even ETHTOOL state monitoring. You can use the command ethtool eth0 to check if the connection status display Link detected: information and implementation, there is no problem. If the network adapter in the system does not support MII or ETHTOOL state monitoring, when the connection fails, the system can not be detected, at the same time, the bonding driver is loaded, a record does not support MII and ETHTOOL warning information. Briefly introduce the basic method to achieve: First of all, we need to open the kernel support for bonding. Set the make menuconfig/xconfig/config in the kernel, Network device support section select Bonding driver support, proposed to set the driver module, so as to support to the drive parameters and is provided with a plurality of bonding devices. Build and install the new kernel and module. The setting of Bonding We need to add two lines in /etc/modules.conf, so that it can be set in the bond setting, the driver when the system starts automatically load bonding Alias bond0 bonding Options bond0 miimon=100 mode=1 When mode=1 the main standby mode, mode=0 for load balancing model. In addition, in the /etc/sysconfig/network-scripts directory, create a file named ifcfg-bond0. DEVICE=bond0 IPADDR=192.168.1.1 NETMASK=255.255.255.0 NETWORK=192.168.1.0 BROADCAST=192.168.1.255 ONBOOT=yes BOOTPROTO=none USERCTL=no Script all network adapters in bond, SLAVE and MASTER are def