Linux通过shell脚本对route路由写入和查询

今天，是linux回炉的第八十六天

shell

我们生产环境下，发现Linux路由无法完成永久写入，不得已只能写个shell

#!/bin/bash

COUNT=`route -n|grep -v ^K|grep -v ^D|wc -l`

if [ $COUNT == 7 ]

then

echo "路由正常"

else

if [ `route -n|awk '{print $1}'|grep -v ^K|grep -v ^D|sed -n 1p` == "0.0.0.0" ]

then

echo "网关59.217.9.129启动"

else

route add .NET 0.0.0.0 netmask 0.0.0.0 gw 59.217.9.129

fi

if [ `route -n|awk '{print $1}'|grep -v ^K|grep -v ^D|sed -n 2p` == "0.0.0.0" ]

then

echo "网关10.255.30.30启动"

else

route add -net 0.0.0.0 netmask 0.0.0.0 gw 10.255.30.30

fi

if [ `route -n|awk '{print $1}'|grep -v ^K|grep -v ^D|sed -n 3p` == "10.0.0.0" ]

then

echo "网关10.255.30.30启动"

else

route add -net 10.0.0.0 netmask 255.0.0.0 gw 10.255.30.30

fi

if [ `route -n|awk '{print $1}'|grep -v ^K|grep -v ^D|sed -n 4p` == "10.255.30.0" ]

then

echo "网关0.0.0.0启动"

else

route add -net 10.255.30.0 netmask 255.255.255.0 gw 0.0.0.0

fi

if [ `route -n|awk '{print $1}'|grep -v ^K|grep -v ^D|sed -n 5p` == "59.217.0.0" ]

then

echo "59.217.9.129启动"

else

route add -net 59.217.0.0 netmask 255.255.255.0 gw 59.217.9.129

fi

if [ `route -n|awk '{print $1}'|grep -v ^K|grep -v ^D|sed -n 6p` == "59.217.9.128" ]

then

echo "0.0.0.0启动"

else

route add -net 59.217.9.128 netmask 255.255.255.128 gw 0.0.0.0

fi

if [ `route -n|awk '{print $1}'|grep -v ^K|grep -v ^D|sed -n 7p` == "192.168.122.0" ]

then

echo "0.0.0.0启动"

else

route add -net 192.168.122.0 netmask 255.255.255.0 gw 0.0.0.0

fi

fi

route -n >route1.txt

diff route.txt route1.txt>route2.txt

DIFF_COUNT=`cat route2.txt|awk '{print $4}'|sed '/^$/d'|grep -v routing|grep -v Genmask|wc -l`

if [ "$DIFF_COUNT" == "0" ];then

echo "diff显示相同"

else

for i in `cat route2.txt|awk '{print $2}'|sed '/^$/d'|grep -v ^K|grep -v ^D`

do

COUNT_MASK=`cat route2.txt|awk '{print $4}'|sed '/^$/d'|grep -v routing|grep -v Genmask|awk '{print $1}'|wc -l`

for ((n=1;n<=$COUNT_MASK;n++))

do

MASK=`cat route2.txt|awk '{print $4}'|sed '/^$/d'|grep -v routing|grep -v Genmask|awk '{print $1}'|sed -n "$n"p`

if [ "$MASK" == "255.255.255.0" ];then

SUBET_MASK=24

route del -net $i/$SUNET_MASK

if [ "echo $?" == 0 ];then

echo "已经关闭IP地址为:"$i

continue

else

2>&1

fi

elif [ "$MASK" == "0.0.0.0" ];then

SUNET_MASK=0

route del -net $i/$SUNET_MASK

if [ "echo $?" == 0 ];then

echo "已经关闭IP地址为:"$i

continue

else

2>&1

fi

elif [ "$MASK" == "255.0.0.0" ];then

SUNET_MASK=8

route del -net $i/$SUNET_MASK

if [ "echo $?" == 0 ];then

echo "已经关闭IP地址为:"$i

continue

else

2>&1

fi

elif [ "$MASK" == "255.255.0.0" ];then

SUNET_MASK=16

route del -net $i/$SUNET_MASK

if [ "echo $?" == 0 ];then

echo "已经关闭IP地址为:"$i

continue

else

2>&1

fi

fi

done

done

fi

fi