#!/bin/bash #本脚本为mpls_routetable 配置 #注意事项： #1.服务器配置香港IP和国内IP地址，香港为默认网关，国内IP不要配置网关，rc.local中不需要添加任何策略，如有其他策略请执行完脚本后添加。

yum -y install wget vim net-tools mv /etc/rc.local.51idc.bak /etc/rc.local mv /etc/iproute2/rt_tables.51idc.bak /etc/iproute2/rt_tables

input_address() { read -p "please input HK IP addeRSS:"HKADDR read -p "please input CN IP addeRSS:"CNADDR read -p "please input CN Gateway IP addeRSS:"cngateway read -p "please input HK Gateway IP addeRSS:"hkgateway #写入rc.local #ifconfig -a |egrep '^eth|^em|^en' |awk '{ print $1}' > 1.txt #ip addr | grep inet |grep -v inet6|grep -v "127.0.0.1" | awk '{ print $2 }' |cut -d/ -f1 >2.txt #paste 1.txt 2.txt >3.txt ip addr | grep -w inet | grep -v 127.0.0.1 |awk '{print $NF"\t"$2}'|awk -F '/' '{print $1}' >iptab.txt if [ cat /etc/rc.local| grep "ip route replace default " | wc -l -eq 0 ];then cp /etc/rc.local /etc/rc.local.51idc.bak echo "ip route replace default via $hkgateway dev cat iptab.txt |grep $HKADDR | awk '{ print $1}' " >> /etc/rc.local echo "ip route flush table ctc" >> /etc/rc.local echo "ip route add default via $cngateway dev $CNADDR src cat iptab.txt|grep $CNADDR |awk '{ print $1 }' table ctc" >>/etc/rc.local echo "ip rule add from $CNADDR table ctc" >>/etc/rc.local echo "ip route flush table HK" >>/etc/rc.local echo "ip route add default via $hkgateway dev cat iptab.txt|grep $CNADDR |awk '{ print $1 }' src $HKADDR table HK" >> /etc/rc.local echo "ip rule add from $HKADDR table HK" >>/etc/rc.local else echo "Routing table has been added to the rc.local"

fi cp /etc/iproute2/rt_tables /etc/iproute2/rt_tables.51idc.bak echo "252 ctc ">> /etc/iproute2/rt_tables
echo "251 HK" >> /etc/iproute2/rt_tables sh /etc/rc.local }

#判断网卡IP地址归属地，及电信网关地址 auto_address() { ip addr | grep -w inet | grep -v 127.0.0.1 |awk '{print $NF"\t"$2}'|awk -F '/' '{print $1}' >iptab.txt while read ethnet ADDR
do AS=curl -s ipinfo.io/$ADDR/org |awk '{ print $1 }' if [ "$AS" = "AS58879" ];then HKADDR=$ADDR elif [ "$AS" = "undefined" ]; then echo "$ADDR is Private address" else CNADDR=$ADDR fi #break done < iptab.txt cngateway=${CNADDR%.}.1 hkgateway=${HKADDR%.}.1

while echo -e "\033[32m Please check and confirm CN Gateway IP address is $cngateway ? \033[0m" read -p "(please input: y or n):" a do case "$a" in y|Y|Yes|YES|yes|yES|yEs|YeS|yeS) echo -e "\033[32m CN Gateway IP address is $cngateway \033[0m" break ;; n|N|No|NO|no|nO) input_address break ;; *) echo "input error," continue esac done #写入rc.local #ifconfig -a |egrep '^eth|^em|^en' |awk '{ print $1}' > 1.txt #ip addr | grep inet |grep -v inet6|grep -v "127.0.0.1" | awk '{ print $2 }' |cut -d/ -f1 >2.txt #paste 1.txt 2.txt >3.txt

if [ cat /etc/rc.local| grep "ip route replace default " | wc -l -eq 0 ];then cp /etc/rc.local /etc/rc.local.51idc.bak echo "ip route replace default via $hkgateway dev cat iptab.txt |grep $HKADDR | awk '{ print $1}' " >> /etc/rc.local echo "ip route flush table ctc" >> /etc/rc.local echo "ip route add default via $cngateway dev cat iptab.txt|grep $CNADDR |awk '{ print $1 }' src $CNADDR table ctc" >>/etc/rc.local echo "ip rule add from $CNADDR table ctc" >>/etc/rc.local echo "ip route flush table HK" >>/etc/rc.local echo "ip route add default via $hkgateway dev cat iptab.txt|grep $HKADDR |awk '{ print $1 }' src $HKADDR table HK" >> /etc/rc.local echo "ip rule add from $HKADDR table HK" >>/etc/rc.local else echo "Routing table has been added to the rc.local" fi cp /etc/iproute2/rt_tables /etc/iproute2/rt_tables.51idc.bak echo "252 ctc ">> /etc/iproute2/rt_tables
echo "251 HK" >> /etc/iproute2/rt_tables sh /etc/rc.local >/dev/null 2>&1 }

curl -s ipinfo.io/114.114.114.114/org >/dev/null 2>&1

if [[ $? == 2 ]]; then echo "nameserver 114.114.114.114 nameserver 8.8.8.8" > /etc/resolv.conf fi curl -s ipinfo.io/114.114.114.114/org >/dev/null 2>&1 if [[ $? == 2 ]]; then input_address else auto_address fi

#抓取最近日期路由文件 table=curl -s http://download.ks.51idc.com:8000/routetables/ |awk -F "[<>]" '/china_all*/{ print $13 }'|cut -c 11-18 |awk 'BEGIN {max = 0} {if ($1+0 > max+0) max=$1} END {print "",max}' | awk '{ print $1}' #生成路由表 wget http://download.ks.51idc.com:8000/routetables/china_all_$table.txt echo "#!/bin/bash" > /etc/route.sh for i in cat china_all_$table.txt do echo "route add -net $i gw $cngateway" >> /etc/route.sh done echo "sh /etc/route.sh" >> /etc/rc.local

sh /etc/route.sh >/dev/null 2>&1

rm -rf iptab.txt china_all_$table.txt