Linux за българи: Форуми

#!/bin/bash



/bin/ip route add 10.50.3.0/24 dev eth2 src 10.50.3.250 table t2
/bin/ip route add default via 10.50.3.1 table t2

/bin/ip rule add from 10.50.3.250 table t2


/bin/ip route show table main | grep -Ev ^default | while read ROUTE ; do ip route add table t2 $ROUTE; done


nohup /usr/local/bin/gwping > /var/log/TRASELOG &

#!/bin/bash


SLEEPTIME=10

TESTIP=google.bg

#Ping timeout in seconds
TIMEOUT=2

# External interfaces
EXTIF2=eth2

#IP address of external interfaces. This is not the gateway address.
IP1=10.50.3.250

#Gateway IP addresses. This is the first (hop) gateway, could be your router IP
#address if it has been configured as the gateway
GW1=10.50.3.1

NAME1=ETH2

VKL=0
PING1=0


while : ; do

date

        /bin/ip rule | grep 192.168.1.0/24 > /dev/null 2>&1

        RETVAL1=$?

        echo IP RULE $RETVAL1 vkl e = 0

                if [ $RETVAL1 -ne 0 ]; then
                       VKL=1
                else
                        VKL=0
                fi


        echo PING $RETVAL ima = 0

                if [ $RETVAL -ne 0 ]; then
                        PING1=1
                else
                        PING1=0
                fi


GWCMD=""
# Changeover Logic here

if [[($PING1 -eq 0 && $VKL -eq 1)]]; then

echo ima net prez eth2

GWCMD="/usr/local/bin/splitaccess"

fi


if [[($VKL -eq 0 && $PING1 -eq 1)]]; then

echo nqma net prez eth2

GWCMD="/usr/local/bin/stop_splitaccess"

fi

echo $GWCMD

$GWCMD


sleep $SLEEPTIME

done

#!/bin/bash

ip="ip"
#ip="echo ip"

iptables="iptables"
#iptables="echo iptables"


IF2=eth2
IP2=10.50.3.250
P2=10.50.3.1
P2_NET=10.50.3.0/24

IF0=lo
P0_NET=127.0.0.0/8

CLIENTS_NET=192.168.1.0/24


# $ip route add $P2_NET dev $IF2 src $IP2 table t2
$ip route add default via $P2 table t2

$ip route add $P2_NET dev $IF2 src $IP2
# $ip rule add from $IP2 table t2
$ip rule add from $CLIENTS_NET table t2
$ip route add 127.0.0.0/8 dev lo   table t2

$ip route show table main | grep -Ev ^default | while read ROUTE ; do ip route add table t2 $ROUTE; done

$ip route flush cache

$iptables -t nat -D POSTROUTING -s $CLIENTS_NET -o vlan77 -j SNAT --to-source 184.154.185.49
$iptables -t nat -A POSTROUTING -s $CLIENTS_NET -o eth2 -j SNAT --to-source 10.50.3.250

#!/bin/bash


ip="ip"
#ip="echo ip"
iptables="iptables"
#iptables="echo iptables"


CLIENTS_NET=192.168.1.0/24

#$ip rule del from 10.50.3.250 table t2
$ip rule del from $CLIENTS_NET table t2

$ip route flush cache

$iptables -t nat -D POSTROUTING -s $CLIENTS_NET -o eth2 -j SNAT --to-source 10.50.3.250
$iptables -t nat -A POSTROUTING -s $CLIENTS_NET -o vlan77 -j SNAT --to-source 184.154.185.49