第一種方法

Vi?/etc/rt.sh

#!/bin/bash

IF1=eth0

IP1=電信IP

P1_NET=電信網段/掩碼

IP1_GW=電信網關

IF2=eth1

IP2=網通IP

P2_NET=網通網段/掩碼

IP2_GW=網通網關

ip?route?add?$P1_NET?dev?$IF1?src?$IP1?table??TEL

ip?route?add?default???via?$IP1_GW?table?TEL

ip?route?add?$P2_NET?dev?$IF2??src?$IP2?tableEDU

ip?route?add?default??via?$IP2_GW?tableEDU

ip?route??add?default?via???$IP1_GW

ip?route?flush?cache

ip?rule?add?from?$IP1??table?TEL

ip?rule?add?from?$IP2??tableEDU

記住wq保存

vi?/etc/iproute2/rt_tables

#?reserved?values

#255????local

#254????main

#253????default

#0??????unspec

#

#?local

#

#1??????inr.ruhep

252?????TEL

251CNC

后wq保存

命令行下啟用這個腳本：

chmod?750??/etc/rt.sh

命令行下每次運行這個腳本：

./etc/rt.sh

上面兩條命令只對當前有效,當服務器重啟時無效,為了讓服務器每次重啟系統后自動運行腳本則:

Vi/etc/rc.d/rc.local

/etc/rt.sh

這是一種方法,不一定是很好使,你可以試試

第二種方法

Vi/etc/rc.local

ip?route?add?default?via?電信網關?table?10

ip?rule?add?from?電信IPtable?10

ip?route?add?default?via網通網關table?11

ip?rule?add?from網通IPtable?11

第三種方法

vi /usr/local/bin/gw.sh

#!/bin/sh

/sbin/ip rule add from 網通網段/掩碼 pref 10000 table cnc

/sbin/ip route add default via?網通網關 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

啟動項加以下內容

#!/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轉換

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?電信IP -i eth0 -j DNAT --to-destination 172.16.3.102

/sbin/iptables -t nat -A PREROUTING -d 網通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 電信IP

/sbin/iptables -t nat -A POSTROUTING -s 172.16.3.102 -o eth1 -j SNAT --to 網通IP

### test end ###

### NAT ###

/sbin/iptables -t nat -A POSTROUTING -s 172.16.3.0/255.255.255.0 -j MASQUERADE

~

以上三種方法,供大家參考.

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