Linux 双网卡绑定

脚本：

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#!/bin/bash
GATEWAY=$(echo $1 | awk -F \".\" \'{print $1\".\"$2\".\"$3\".\"1}\')
# this script must excute after stop service
service NetworkManager stop
[ -z $1 ] && echo $\"Usage: $0 IPADDR\" && exit 2
# backup ifcfgs & modprobe bond
cp /etc/sysconfig/network-scripts/ifcfg-em1 /etc/sysconfig/network-scripts/ifcfg-em1.bak
cp /etc/sysconfig/network-scripts/ifcfg-em2 /etc/sysconfig/network-scripts/ifcfg-em2.bak
#cp /etc/sysconfig/network-scripts/ifcfg-em3 /etc/sysconfig/network-scripts/ifcfg-em3.bak
#cp /etc/sysconfig/network-scripts/ifcfg-em4 /etc/sysconfig/network-scripts/ifcfg-em4.bak
echo \"alias bond0 bonding\" >>/etc/modprobe.d/dist.conf
#echo \"alias bond1 bonding\" >>/etc/modprobe.d/dist.conf
# create new ifcfgs
cat > /etc/sysconfig/network-scripts/ifcfg-bond0 << EOF
DEVICE=bond0
BOOTPROTO=none
ONBOOT=yes
NETMASK=255.255.255.0
IPADDR=$1
USERCTL=no
GATEWAY=$GATEWAY
TYPE=Ethernet
BONDING_OPTS=\"mode=1 miimon=100\"
EOF
cat > /etc/sysconfig/network-scripts/ifcfg-em1 << EOF
DEVICE=em1
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
EOF
cat > /etc/sysconfig/network-scripts/ifcfg-em2 << EOF
DEVICE=em2
BOOTPROTO=none
ONBOOT=yes
MASTER=bond0
SLAVE=yes
USERCTL=no
EOF

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Linux 双网卡绑定