linux 7 bond0,Linux Shell脚本 CentOS 7 配置bond0

系统环境：CentOS 7.4

将两块网卡eth0, eth1绑定成一块网卡bond0实现网口负载平衡和容错能力

bond0信息如下

bond0的IP地址：192.168.100.100/24

bond0的网关：192.168.100.1

bond0的主DNS：202.106.0.20

bond0的从DNS：8.8.8.8

#!/bin/bash

# by: ZDF

#

Bond_IP_ADDR=192.168.100.100

Bond_NET_PREFIX=24

Bond_GAT_EWAY=192.168.100.1

Bond_DNS_1=202.106.0.20

Bond_DNS_2=8.8.8.8

Bond_Level=0

NetDevice_1=eth0

NetDevice_2=eth1

find /etc/sysconfig/network-scripts -iname ifcfg-* -not \( -iname “ifcfg-lo” -o -iname “*.bak” \) -exec mv {} {}.bak \;

if [ $? -ne 0 ];then

exit 3

fi

touch /etc/sysconfig/network-scripts/ifcfg-bond$Bond_Level

cat > /etc/sysconfig/network-scripts/ifcfg-bond$Bond_Level <

NAME=bond$Bond_Level

DEVICE=bond$Bond_Level

ONBOOT=yes

TYPE=Ethernet

BOOTPROTO=static

IPADDR=$Bond_IP_ADDR

PREFIX=$Bond_NET_PREFIX

GATEWAY=$Bond_GAT_EWAY

DNS1=$Bond_DNS_1

DNS2=$Bond_DNS_2

TYPE=Bond

BONDING_MASTER=yes

USERCTL=no

BONDING_OPTS=“miimon=100 mode=$Bond_Level”

EOF

touch /etc/sysconfig/network-scripts/ifcfg-$NetDevice_1

cat > /etc/sysconfig/network-scripts/ifcfg-$NetDevice_1 <

NAME=$NetDevice_1

DEVICE=$NetDevice_1

ONBOOT=yes

BOOTPROTO=none

TYPE=Ethernet

MASTER=bond$Bond_Level

SLAVE=yes

USERCTL=no

EOF

touch /etc/sysconfig/network-scripts/ifcfg-$NetDevice_2

cat > /etc/sysconfig/network-scripts/ifcfg-$NetDevice_2 <

NAME=$NetDevice_2

DEVICE=$NetDevice_2

ONBOOT=yes

BOOTPROTO=none

TYPE=Ethernet

MASTER=bond$Bond_Level

SLAVE=yes

USERCTL=no

EOF

ifdown $NetDevice_1

ifup $NetDevice_1

ifdown $NetDevice_2

ifup $NetDevice_2

ifup bond$Bond_Level

systemctl restart network.service

echo

echo -e “\033[32;1m$(cat /sys/class/net/bonding_masters)\033[m”

cat /proc/net/bonding/bond$Bond_Level