Script สำหรับ 3WAN , 4WAN , 5WAN สำหรับ MultiWAN Server

ไฟล์  /etc/ppp/ip-up.d/0route  (ppp101 = Games , ppp102 + ppp103 = WEB)

#!/bin/bash
                WAN1=0
                WAN2=0
                WAN3=0
                ppp101=`/sbin/ifconfig -a | grep "ppp101"`
                if [ -n "$ppp101" ]; then
                        # echo "ppp101 is up"
                        WAN1=1
                        ip route add default table 101 dev ppp101
                        ip route add default table 201 dev ppp101
                        IPWAN=`ip addr show ppp101 |grep inet |cut -d " " -f 6`
                        ip rule del prio 201
                        ip rule add from $IPWAN lookup 201 prio 201
                fi
                ppp102=`/sbin/ifconfig -a | grep "ppp102"`
                if [ -n "$ppp102" ]; then
                        # echo "ppp102 is up"
                        WAN2=1
                        ip route add default table 102 dev ppp102
                        ip route add default table 202 dev ppp102
                        IPWAN=`ip addr show ppp102 |grep inet |cut -d " " -f 6`
                        ip rule del prio 202
                        ip rule add from $IPWAN lookup 202 prio 202
                fi
                ppp103=`/sbin/ifconfig -a | grep "ppp103"`
                if [ -n "$ppp103" ]; then
                        # echo "ppp103 is up"
                        WAN3=1
                        ip route add default table 103 dev ppp103
                        ip route add default table 203 dev ppp103
                        IPWAN=`ip addr show ppp103 |grep inet |cut -d " " -f 6`
                        ip rule del prio 203
                        ip rule add from $IPWAN lookup 203 prio 203
                fi
                LinkStatus=$WAN1$WAN2$WAN3
                if [ $LinkStatus -eq 111 ]; then
                        ip route del default
                        ip route del table 101 default
                        ip route del table 102 default
                        ip route del table 103 default
         ip route del table 250 default
                        ip route add default equalize nexthop dev ppp102 weight 4 nexthop dev ppp103 weight 4
                        ip route add table 101 default dev ppp101
                        ip route add table 102 default dev ppp102
                        ip route add table 103 default dev ppp103
         ip route add table 250 default equalize nexthop dev ppp102 weight 4 nexthop dev ppp103 weight 4
                fi
                if [ $LinkStatus -eq 011 ]; then
                        ip route del default
                        ip route del table 101 default
                        ip route del table 102 default
                        ip route del table 103 default
         ip route del table 250 default
                        ip route add default dev ppp103
                        ip route add table 101 default dev ppp102
                        ip route add table 102 default dev ppp103
                        ip route add table 103 default dev ppp103
         ip route add table 250 default dev ppp103
        
                fi
                if [ $LinkStatus -eq 101 ]; then
                        ip route del default
                        ip route del table 101 default
                        ip route del table 102 default
                        ip route del table 103 default
         ip route del table 250 default
                        ip route add default dev ppp103
                        ip route add table 101 default dev ppp101
                        ip route add table 102 default dev ppp103
                        ip route add table 103 default dev ppp103
         ip route add table 250 default dev ppp103
                fi
                if [ $LinkStatus -eq 110 ]; then
                        ip route del default
                        ip route del table 101 default
                        ip route del table 102 default
                        ip route del table 103 default
         ip route del table 250 default
                        ip route add default dev ppp 102
                        ip route add table 101 default dev ppp101
                        ip route add table 102 default dev ppp102
                        ip route add table 103 default dev ppp102
         ip route add table 250 default dev ppp102
                fi
                if [ $LinkStatus -eq 100 ]; then
                        ip route del default
                        ip route del table 101 default
                        ip route del table 102 default
                        ip route del table 103 default
         ip route del table 250 default
                        ip route add default dev ppp101
                        ip route add table 101 default dev ppp101
                        ip route add table 102 default dev ppp101
                        ip route add table 103 default dev ppp101
         ip route add table 250 default dev ppp101
                fi
                if [ $LinkStatus -eq 010 ]; then
                        ip route del default
                        ip route del table 101 default
                        ip route del table 102 default
                        ip route del table 103 default
         ip route del table 250 default
                        ip route add default dev ppp 102
                        ip route add table 101 default dev ppp102
                        ip route add table 102 default dev ppp102
                        ip route add table 103 default dev ppp102
         ip route add table 250 default dev ppp102
                fi
                if [ $LinkStatus -eq 001 ]; then
                        ip route del default
                        ip route del table 101 default
                        ip route del table 102 default
                        ip route del table 103 default
         ip route del table 250 default
                        ip route add default dev ppp 103
                        ip route add table 101 default dev ppp103
                        ip route add table 102 default dev ppp103
                        ip route add table 103 default dev ppp103
         ip route add table 250 default dev ppp103
                fi
                if [ $LinkStatus -eq 000 ]; then
                        ip route del default
                        ip route del table 101 default
                        ip route del table 102 default
                        ip route del table 103 default
         ip route del table 250 default
                fi

                ip route flush cache