第一种方法
Vi/etc/rt.sh
#!/bin/bash
IF1=eth0
IP1=电信IP
P1_NET=电信网段/掩码
IP1_GW=电信网关
IF2=eth1
IP2=网通IP
P2_NET=网通网段/掩码
IP2_GW=网通网关
iprouteadd$P1_NETdev$IF1src$IP1tableTEL
iprouteadddefaultvia$IP1_GWtableTEL
iprouteadd$P2_NETdev$IF2src$IP2tableEDU
iprouteadddefaultvia$IP2_GWtableEDU
iprouteadddefaultvia$IP1_GW
iprouteflushcache
ipruleaddfrom$IP1tableTEL
ipruleaddfrom$IP2tableEDU
记住wq保存
vi/etc/iproute2/rt_tables
#reservedvalues
#255local
#254main
#253default
#0unspec
#
#local
#
#1inr.ruhep
252TEL
251CNC
后wq保存
命令行下启用这个脚本：
chmod750/etc/rt.sh
命令行下每次运行这个脚本：
./etc/rt.sh
上面两条命令只对当前有效,当服务器重启时无效,为了让服务器每次重启系统后自动运行脚本则:
Vi/etc/rc.d/rc.local
/etc/rt.sh
这是一种方法,不一定是很好使,你可以试试
第二种方法
Vi/etc/rc.local
iprouteadddefaultvia电信网关table10
ipruleaddfrom电信IPtable10
iprouteadddefaultvia网通网关table11
ipruleaddfrom网通IPtable11
第三种方法
vi /usr/local/bin/gw.sh
#!/bin/sh
/sbin/ip rule add from 网通网段/掩码 pref 10000 table cnc
/sbin/ip route add default via网通网关 table cnc
/sbin/ip route flush cache
~
vi /usr/local/bin/cncip.sh
/sbin/ip ru ls|grep 20001:|awk '{print "ip ru del to", $5," pref 20001 table cnc"}'|sh
/sbin/ip rule add to 121.100.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 121.100.128.0/19 pref 20001 table cnc
/sbin/ip rule add to 121.16.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 121.24.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 121.28.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 121.30.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 121.31.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 121.51.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 121.89.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 122.0.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 122.198.192.0/18 pref 20001 table cnc
/sbin/ip rule add to 124.128.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 124.128.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.160.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.160.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.161.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.161.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.162.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.162.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.163.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.163.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.164.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 124.164.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.198.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 124.198.192.0/18 pref 20001 table cnc
/sbin/ip rule add to 124.21.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.248.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 124.254.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.64.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 124.66.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 124.67.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.88.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.89.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 124.89.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.89.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 124.90.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 124.90.0/16 pref 20001 table cnc
/sbin/ip rule add to 124.92.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 124.92.0/16 pref 20001 table cnc
/sbin/ip rule add to 125.32.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 125.33.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 125.34.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 125.35.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 125.35.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 125.36.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 125.40.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 202.102.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 202.102.224.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.106.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 202.107.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 202.108.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 202.110.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 202.110.192.0/18 pref 20001 table cnc
/sbin/ip rule add to 202.110.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 202.111.128.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.111.160.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.142.16.0/14 pref 20001 table cnc
/sbin/ip rule add to 202.142.16.0/20 pref 20001 table cnc
/sbin/ip rule add to 202.74.208.0/22 pref 20001 table cnc
/sbin/ip rule add to 202.74.8.0/20 pref 20001 table cnc
/sbin/ip rule add to 202.74.8.0/21 pref 20001 table cnc
/sbin/ip rule add to 202.75.144.0/20 pref 20001 table cnc
/sbin/ip rule add to 202.75.208.0/22 pref 20001 table cnc
/sbin/ip rule add to 202.75.212.0/22 pref 20001 table cnc
/sbin/ip rule add to 202.75.212/19 pref 20001 table cnc
/sbin/ip rule add to 202.76.160.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.96.64.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.97.128.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.97.160.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.97.192.0/18 pref 20001 table cnc
/sbin/ip rule add to 202.98.0.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.99.0.0/23 pref 20001 table cnc
/sbin/ip rule add to 202.99.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 202.99.192.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.99.224.0/19 pref 20001 table cnc
/sbin/ip rule add to 202.99.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 203.166.160.0/19 pref 20001 table cnc
/sbin/ip rule add to 203.93.0.0/25 pref 20001 table cnc
/sbin/ip rule add to 203.93.0.0/25 pref 20001 table cnc
/sbin/ip rule add to 203.93.141.0/24 pref 20001 table cnc
/sbin/ip rule add to 210.12.128.0/24 pref 20001 table cnc
/sbin/ip rule add to 210.12.192.0/24 pref 20001 table cnc
/sbin/ip rule add to 210.14.160.0/18 pref 20001 table cnc
/sbin/ip rule add to 210.21.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 210.21.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 210.22.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 210.51.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 210.52.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 210.52.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 210.53.8.0/23 pref 20001 table cnc
/sbin/ip rule add to 210.74.128.0/19 pref 20001 table cnc
/sbin/ip rule add to 210.74.96.0/19 pref 20001 table cnc
/sbin/ip rule add to 210.75.144.0/20 pref 20001 table cnc
/sbin/ip rule add to 210.76.160.0/19 pref 20001 table cnc
/sbin/ip rule add to 210.78.0.0/19 pref 20001 table cnc
/sbin/ip rule add to 210.82.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 210.83.0.0/20 pref 20001 table cnc
/sbin/ip rule add to 210.83.224.0/19 pref 20001 table cnc
/sbin/ip rule add to 211.152.32.0/19 pref 20001 table cnc
/sbin/ip rule add to 218.10.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 218.104.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 218.104.128.0/20 pref 20001 table cnc
/sbin/ip rule add to 218.104.160.0/19 pref 20001 table cnc
/sbin/ip rule add to 218.104.192.0/21 pref 20001 table cnc
/sbin/ip rule add to 218.104.200.0/21 pref 20001 table cnc
/sbin/ip rule add to 218.104.216.0/21 pref 20001 table cnc
/sbin/ip rule add to 218.104.224.0/19 pref 20001 table cnc
/sbin/ip rule add to 218.104.96.0/20 pref 20001 table cnc
/sbin/ip rule add to 218.106.112.0/20 pref 20001 table cnc
/sbin/ip rule add to 218.106.128.0/21 pref 20001 table cnc
/sbin/ip rule add to 218.106.144.0/20 pref 20001 table cnc
/sbin/ip rule add to 218.106.208.0/20 pref 20001 table cnc
/sbin/ip rule add to 218.106.96.0/22 pref 20001 table cnc
/sbin/ip rule add to 218.107.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 218.107.192.0/19 pref 20001 table cnc
/sbin/ip rule add to 218.11.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 218.12.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 218.21.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 218.24.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 218.26.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 218.27.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 218.28.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 218.56.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 218.60.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 218.62.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 218.67.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 218.68.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 218.7.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 218.8.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 219.154.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 219.156.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 219.158.0.0/20 pref 20001 table cnc
/sbin/ip rule add to 219.158.32.0/19 pref 20001 table cnc
/sbin/ip rule add to 219.159.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 220.114.204.0/18 pref 20001 table cnc
/sbin/ip rule add to 220.248.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 220.248.128.0/19 pref 20001 table cnc
/sbin/ip rule add to 220.248.128.0/20 pref 20001 table cnc
/sbin/ip rule add to 220.248.192.0/19 pref 20001 table cnc
/sbin/ip rule add to 220.249.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 220.249.192.0/18 pref 20001 table cnc
/sbin/ip rule add to 220.249.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 220.250.0.0/19 pref 20001 table cnc
/sbin/ip rule add to 220.252.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 221.0.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 221.10.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 221.11.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.11.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 221.11.192.0/19 pref 20001 table cnc
/sbin/ip rule add to 221.11.224.0/19 pref 20001 table cnc
/sbin/ip rule add to 221.12.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.12.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 221.13.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 221.13.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.13.64.0/19 pref 20001 table cnc
/sbin/ip rule add to 221.13.96.0/19 pref 20001 table cnc
/sbin/ip rule add to 221.14.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 221.192.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 221.196.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 221.198.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 221.199.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.199.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 221.199.192.0/20 pref 20001 table cnc
/sbin/ip rule add to 221.199.224.0/23 pref 20001 table cnc
/sbin/ip rule add to 221.200.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 221.2.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 221.204.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 221.206.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 221.207.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 221.207.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.207.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 221.208.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 221.213.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 221.214.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 221.216.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 221.3.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.3.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.4.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 221.5.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.5.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.6.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 221.7.0.0/19 pref 20001 table cnc
/sbin/ip rule add to 221.7.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 221.7.32.0/19 pref 20001 table cnc
/sbin/ip rule add to 221.7.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 221.8.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 222.128.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 222.132.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 222.136.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 222.160.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 58.16.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 58.17.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 58.17.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 58.18.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 58.19.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 58.20.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 58.21.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 58.22.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 58.240.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 58.242.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 58.244.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 58.246.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 58.248.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 58.250.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 58.252.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 58.83.0/22 pref 20001 table cnc
/sbin/ip rule add to 60.0.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 60.10.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 60.11.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 60.12.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 60.13.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 60.13.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 60.13.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 60.14.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 60.14.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 60.16.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 60.208.0.0/13 pref 20001 table cnc
/sbin/ip rule add to 60.216.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 60.218.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 60.220.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 60.24.0.0/14 pref 20001 table cnc
/sbin/ip rule add to 60.253.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 60.255.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 60.28.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 60.30.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 60.31.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 60.8.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 61.133.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 61.134.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.134.192.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.134.96.0/19 pref 20001 table cnc
/sbin/ip rule add to 61.135.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.136.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.136.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.137.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 61.138.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.138.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.138.64.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.139.128.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.148.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.156.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.158.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 61.158.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 61.159.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.161.0.0/18 pref 20001 table cnc
/sbin/ip rule add to 61.161.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 61.162.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.163.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.167.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.168.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.176.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.179.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.180.128.0/17 pref 20001 table cnc
/sbin/ip rule add to 61.181.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.182.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.189.0.0/17 pref 20001 table cnc
/sbin/ip rule add to 61.52.0.0/15 pref 20001 table cnc
/sbin/ip rule add to 61.54.0.0/16 pref 20001 table cnc
/sbin/ip rule add to 61.55.0.0/16 pref 20001 table cnc
/sbin/ip route flush cache
启动项加以下内容
#!/bin/sh
#
# This script will be executed *after* all the other init scripts.
# You can put your own initialization stuff in here if you don't
# want to do the full Sys V style init stuff.
touch /var/lock/subsys/local
/usr/local/bin/cncip.sh
/usr/local/bin/gw.sh
/sbin/modprobe ip_conntrack hashsize=2621400
/root/iptables.sh
加策略及NAT转换
vi /root/iptables.sh
#!/bin/bash
### load the mod ###
/sbin/modprobe ip_tables
/sbin/modprobe iptable_nat
/sbin/modprobe ip_nat_ftp
/sbin/modprobe ip_nat_irc
/sbin/modprobe ip_conntrack
/sbin/modprobe ip_conntrack_ftp
/sbin/modprobe ip_conntrack_irc
####################
/sbin/iptables -F
/sbin/iptables -X
/sbin/iptables -Z
/sbin/iptables -t nat -F
/sbin/iptables -t nat -X
/sbin/iptables -t nat -Z
/sbin/iptables -P INPUT ACCEPT
/sbin/iptables -P OUTPUT ACCEPT
/sbin/iptables -P FORWARD ACCEPT
/sbin/iptables -t nat -P PREROUTING ACCEPT
/sbin/iptables -t nat -P POSTROUTING ACCEPT
/sbin/iptables -t nat -P OUTPUT ACCEPT
### test 172.16.3.102 ###
/sbin/iptables -t nat -A PREROUTING -d电信IP -i eth0 -j DNAT --to-destination 172.16.3.102
/sbin/iptables -t nat -A PREROUTING -d 网通IP-i eth1 -j DNAT --to-destination 172.16.3.102
#out
/sbin/iptables -t nat -A POSTROUTING -s 172.16.3.102 -o eth0 -j SNAT --to 电信IP
/sbin/iptables -t nat -A POSTROUTING -s 172.16.3.102 -o eth1 -j SNAT --to 网通IP
### test end ###
### NAT ###
/sbin/iptables -t nat -A POSTROUTING -s 172.16.3.0/255.255.255.0 -j MASQUERADE
~
以上三种方法,供大家参考.
如果觉得《linux双ip备份 LINUX系统的双网卡双IP(双链路)实现方式》对你有帮助，请点赞、收藏，并留下你的观点哦！
