在上一篇写了双网卡绑定和卸载：Linux实现双网卡绑定和卸载

其实认真观察上面的步骤，都是固定的。于是我们就可以写个脚本实现自动化配置#!/bin/bash

if [ $# -lt 6 ];then

echo “Usage: $0 ”

echo “eg: $0 bond0 eth0 eth1 192.168.0.1 255.255.255.0 192.168.0.254″

exit 1

fi

#修改 ifcfg-bond* 文件

echo “DEVICE=$1

IPADDR=$4

NETMASK=$5

GATEWAY=$6

ONBOOT=yes

BOOTPROTO=none

USERCTL=no” >/tmp/ifcfg-$1

mv -f /tmp/ifcfg-$1 /etc/sysconfig/network-scripts/

#修改 ifcfg-eth0 文件

echo “DEVICE=$2

USERCTL=no

ONBOOT=yes

MASTER=$1

SLAVE=yes

BOOTPROTO=none” >/tmp/ifcfg-$2

mv -f /tmp/ifcfg-$2 /etc/sysconfig/network-scripts/

#修改 ifcfg-eth1 文件

echo “DEVICE=$3

USERCTL=no

ONBOOT=yes

MASTER=$1

SLAVE=yes

BOOTPROTO=none” >/tmp/ifcfg-$3

mv -f /tmp/ifcfg-$3 /etc/sysconfig/network-scripts/

##修改 network 文件

#sed /GATEWAY/d /etc/sysconfig/network >/tmp/network

#echo “GATEWAY=\”$6\”">>/tmp/network

#mv -f /tmp/network /etc/sysconfig/

#修改 modules.cof/modprobe.cof

MODCONF=/NULL

TEMPFILE1=/tmp/mod1.$$

TEMPFILE2=/tmp/mod2.$$

BAKFILE=/etc/.modconf

#选择绑定的模式是轮询还是冗余，一般建议选择1

echo “Please Select Your Bond Mode:(balance-rr/active-backup)or(0/1)?”

read MODE

if [ -f /etc/modprobe.conf ]; then

MODCONF=/etc/modprobe.conf

else

MODCONF=/etc/modules.conf

fi

cp $MODCONF $BAKFILE

sed ‘/alias[ \t]*’$1′[ \t]*bonding/d;/options[ \t]*’$1′[ \t]*/d;/install.*’$1′/d’ $MODCONF > $TEMPFILE1

cp $TEMPFILE1 $TEMPFILE2

if [ "$(grep "alias.*bonding" $TEMPFILE1)" != "" ]; then

bondcount=$(grep “alias.*bonding” $TEMPFILE1 | wc -l)

elif [ "$(grep "install.*bond.*" $TEMPFILE1)" != "" ]; then

bondcount=$(grep “install.*bond.*” $TEMPFILE1 | wc -l)

else

bondcount=0

fi

if [ "$bondcount" -ge 1 ]; then

sed ‘/alias.*bonding/d;s/\(options[ \t]*\)\(bond[0-9]*\)/install\ \2\ \/sbin\/modprobe\ –ignore-install\ bonding\ -o\ \2/’ $TEMPFILE1 > $TEMPFILE2

echo “install $1 /sbin/modprobe –ignore-install bonding -o $1 miimon=100 mode=$MODE” >> $TEMPFILE2

else

echo “alias $1 bonding” >> $TEMPFILE2

echo “options $1 miimon=100 mode=$MODE” >> $TEMPFILE2

fi

mv -f $TEMPFILE2 $MODCONF

#重启网络

echo “System will restart network continue(y/n)?”

read bb

if [ "$bb" = "y" ] || [ "$bb" = "yes" ] || [ "$bb" = "Y" ];then

for tempmod in $(lsmod | grep -i bond | awk ‘{print $1}’)

do

modprobe -r bonding -o “$tempmod”

done

/etc/init.d/network restart

fi

echo “OK!”

exit 0