Multiwan Linux - Revision history

Snifer at 14:02, 28 July 2009

2009-07-28T14:02:00Z

Snifer at 11:43, 2 July 2009

2009-07-02T11:43:27Z

Snifer at 11:42, 2 July 2009

2009-07-02T11:42:18Z

Snifer at 11:41, 2 July 2009

2009-07-02T11:41:37Z

Snifer: Created page with 'Multiwan Script by Robert Kurjata http://www.ssi.bg/~ja/#routes

2009-07-02T11:40:33Z
Created page with 'Multiwan Script by Robert Kurjata  http://www.ssi.bg/~ja/#routes  <pre class:"brush:bash" #!/bin/bash # This script is done by : Robert Kurjata Sep, 2003. # feel free to use it i…'
New page
Multiwan Script by Robert Kurjata



http://www.ssi.bg/~ja/#routes



<pre class:"brush:bash"

#!/bin/bash

# This script is done by : Robert Kurjata Sep, 2003.

# feel free to use it in any usefull way



# CONFIGURATION

IP=/sbin/ip

PING=/bin/ping



#--------------- LINK PART -----------------

# EXTIFn - interface name

# EXTIPn - outgoing IP

# EXTMn  - netmask length (bits)

# EXTGWn - outgoing gateway

#-------------------------------------------



# LINK 1

EXTIF1=eth1

EXTIP1=

EXTM1=

EXTGW1=



# LINK 2

EXTIF2=eth2

EXTIP2=

EXTM2=

EXTGW2=



#ROUTING PART

# removing old rules and routes



echo "removing old rules"

${IP} rule del prio 50 table main

${IP} rule del prio 201 from ${EXTIP1}/${EXTM1} table 201

${IP} rule del prio 202 from ${EXTIP2}/${EXTM2} table 202

${IP} rule del prio 221 table 221

echo "flushing tables"

${IP} route flush table 201

${IP} route flush table 202

${IP} route flush table 221

echo "removing tables"

${IP} route del table 201

${IP} route del table 202

${IP} route del table 221



# setting new rules

echo "Setting new routing rules"



# main table w/o default gateway here

${IP} rule add prio 50 table main

${IP} route del default table main



# identified routes here

${IP} rule add prio 201 from ${EXTIP1}/${EXTM1} table 201

${IP} rule add prio 202 from ${EXTIP2}/${EXTM2} table 202



${IP} route add default via ${EXTGW1} dev ${EXTIF1} src ${EXTIP1} proto static table 201

${IP} route append prohibit default table 201 metric 1 proto static



${IP} route add default via ${EXTGW2} dev ${EXTIF2} src ${EXTIP2} proto static table 202

${IP} route append prohibit default table 202 metric 1 proto static



# mutipath

${IP} rule add prio 221 table 221



${IP} route add default table 221 proto static \

            nexthop via ${EXTGW1} dev ${EXTIF1} weight 2\

            nexthop via ${EXTGW2} dev ${EXTIF2} weight 3



${IP} route flush cache



while : ; do

  ${PING} -c 1 ${EXTGW1}

  ${PING} -c 1 ${EXTGW2}

  sleep 60

done

</pre>



Another Routing for multiple uplinks



http://www.debian-administration.org/articles/377



<pre>

nano /etc/iproute2/rt_tables

</pre>

<pre class:"brush:text"

#

# reserved values

#

255     local

254     main

253     default

0       unspec

#

# local

#

#1      inr.ruhep

200     uplink1

201     uplink2

</pre>

Network interface config

<pre>

nano /etc/network/interfaces

</pre>

<pre class:"brush:text"

auto lo

iface lo inet loopback

auto eth0

#LAN interface

iface eth0 inet static

        address 10.0.0.1

        netmask 255.255.255.0

#Uplink1

auto eth1

iface eth1 inet static

        address 1.0.0.1

        netmask 255.255.255.0

        post-up ip route add 1.0.0.2/32 dev eth1 src 1.0.0.1 table uplink1

        post-up ip route add default via 1.0.0.2 table uplink1

        post-up ip rule add from 1.0.0.1 table uplink1

        post-down ip rule del from 1.0.0.1 table uplink1

#Uplink2

auto eth2

iface eth2 inet static

        address 2.0.0.1

        netmask 255.255.255.0

        post-up ip route add 2.0.0.2/32 dev eth2 src 2.0.0.1 table uplink2

        post-up ip route add default via 2.0.0.2 table uplink2

        post-up ip rule add from 2.0.0.1 table uplink2

        post-down ip rule del from 2.0.0.1 table uplink2

</pre>

make it up and balance

<pre>

ifup -a

ip route add default scope global nexthop via 1.0.0.2 dev eth1 weight 1 nexthop via 2.0.0.2 eth2 weight 1

</pre>

← Older revision		Revision as of 14:02, 28 July 2009
Line 1:		Line 1:
		+	Multiwan Linux [http://knowledge.oscc.org.my/solution-areas/infrastructure/networking/2-adsl-load-balancing Source]
		+
		+	<pre class="brush:bash">
		+	#!/bin/sh
		+	# dual gateway using 3 nic and 4 ips with one alias
		+
		+	# isp1 on eth0
		+	# isp2 on eth1
		+	# eth2 = for LAN group1
		+	# eth2:1= for LAN group2
		+	#
		+	# Created by mambang 2007
		+
		+	PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
		+	IFCONFIG=/sbin/ifconfig
		+	NETWORK=/etc/init.d/networking
		+	IP=/sbin/ip
		+	NAME="MULTI-GATEWAY"
		+	DESC1="ROUTING TABLE"
		+	GATEWAY1=192.168.101.1
		+	GATEWAY2=192.168.102.1
		+	NET1=192.168.101.2 #ip eth0
		+	NET2=192.168.102.2 #ip eth1
		+	LAN1=192.168.1.1 #ip LAN1 = eth2
		+	LAN2=192.168.2.1 #ip LAN2 = eth2:2
		+	SUB1=192.168.101.0/24 #sub local
		+	SUB2=192.168.102.0/24 #sub local
		+	SUB3=192.168.1.0/24 #subnet client LAN1
		+	SUB4=192.168.2.0/24 #subnet client LAN2
		+	DEV1=eth0
		+	DEV2=eth1
		+	DEV3=eth2
		+	DEV4=eth2:1
		+
		+	case "$1" in
		+	start)
		+	echo -n "Setup $DESC1: "
		+
		+	# Setup source IP routing rules for DSL 1
		+
		+	$IP route add $SUB1 dev $DEV1 src $NET1 table T1
		+	$IP route add default via $GATEWAY1 table T1
		+	$IP route add $SUB2 dev $DEV2 src $NET2 table T2
		+	$IP route add default via $GATEWAY2 table T2
		+	$IP route add $SUB1 dev $DEV1 src $NET1
		+	$IP route add $SUB2 dev $DEV2 src $NET2
		+	$IP route add default via $GATEWAY1
		+	$IP rule add from $NET1 table T1
		+	$IP rule add from $NET2 table T2
		+	$IP route add $SUB3 dev $DEV3 table T1
		+	$IP route add $SUB2 dev $DEV2 table T1
		+	$IP route add 127.0.0.0/8 dev lo table T1
		+	$IP route add $SUB4 dev $DEV4 table T2
		+	$IP route add $SUB1 dev $DEV1 table T2
		+	$IP route add 127.0.0.0/8 dev lo table T2
		+
		+	echo "$NAME1"
		+
		+	;;
		+
		+	stop)
		+
		+	echo "Stop $DESC1 $NAME ... "
		+	$IP route flush all
		+	$IFCONFIG $NET1 down
		+	$IFCONFIG $NET2 down
		+	$IFCONFIG $LAN1 down
		+	$IFCONFIG $LAN2 down
		+	$NETWORK restart
		+
		+	echo "Default routing table restored"
		+
		+	;;
		+
		+	*)
		+
		+	N=/etc/init.d/splitgateway
		+	echo "Use Command: $N {start\|stop}" >&2
		+
		+	exit 1
		+
		+	;;
		+	esac
		+
		+	exit 0
		+	</pre>
		+
	Multiwan Script by Robert Kurjata		Multiwan Script by Robert Kurjata

@@ Line 88: / Line 88: @@
 nano /etc/iproute2/rt_tables
 </pre>
-<pre class="brush:text"
+<pre class="brush:text">
+#
 # reserved values
@@ Line 107: / Line 107: @@
 nano /etc/network/interfaces
 </pre>
-<pre class="brush:text"
+<pre class="brush:text">
 auto lo
 iface lo inet loopback