I am having with loadbalancing. I can get it working never....
I have this scenario:
INTRANET -------- (IP0, INTERFACE0) ROUTER (IP1,INTERFACE1) ----
NET1 --- (IPGW1) EXTRANET 1
|
|----(IP2,INTERFACE2) ----
NET2 --- (IPGW2) EXTRANET 2
I have a Debian box with debian kernel, and I have a my kernel too, ith
patches from Julian's route patch page.
Here is my scritp... copied from lartc
====
ip route add $NET1 dev $INTERFACE1 src $IP1 table $TABLE1
ip route add default via $IPGW1 table $TABLE1
ip route add $NET2 dev $INTERFACE2 src $IP2 table $TABLE2
ip route add default via $IPGW2 table $TABLE2
ip route add $NET1 dev $INTERFACE1 src $IP1
ip route add $NET2 dev $INTERFACE2 src $IP2
#ip route add default via $IPGW1
ip rule add from $IP1 table $TABLE1
ip rule add from $IP2 table $TABLE2
# MAGIC LINE !!!!!!!!!!!!!!!!!!!!!!!
ip route add default scope global \
nexthop via $IPGW1 dev $INTERFACE1 weight $WE1 \
nexthop via $IPGW2 dev $INTERFACE2 weight $WE2
ip route add $NET0 dev $INTERFACE0 table $TABLE1
ip route add $NET2 dev $INTERFACE2 table $TABLE1
ip route add 127.0.0.0/8 dev lo table $TABLE1
ip route add $NET0 dev $INTERFACE0 table $TABLE2
ip route add $NET1 dev $INTERFACE1 table $TABLE2
ip route add 127.0.0.0/8 dev lo table $TABLE2
#Extra rule for cable router
if [ "$ROUTER1" ]; then
ip route add $ROUTER1 dev $INTERFACE1 src $IP1
fi
======
with this script, I am getting always rooted using the second gateway
from "MAGIC LINE", with am i doing a download (bittorrent for example)
and redefine the routes (changing the first by the second) I can get a
full download speedy (link1 + link2 bitrate) and both interface works
normally. If I stop my torrent, flush the table, and start the download
again, only the second link will work again, so load balancing never
works...
here is some more debug information:
>>ip rule
0: from all lookup 255
32764: from 189.1.1.130 lookup uplink_e
32765: from 201.1.1.88 lookup uplink_v
32766: from all lookup main
32767: from all lookup default
>>ip route
192.168.100.1 dev eth_virtua scope link src 201.6.156.88
189.1.1.128/26 dev eth_embratel proto kernel scope link src 189.1.1.130
10.0.0.0/24 dev eth_wifi proto kernel scope link src 10.0.0.1
192.168.1.0/24 dev eth_intra1 proto kernel scope link src 192.168.1.1
201.1.1.0/24 dev eth_virtua proto kernel scope link src 201.1.1.88
default
nexthop via 201.1.1.1 dev eth_virtua weight 1
nexthop via 189.1.1.129 dev eth_embratel weight 1
>>Iptables (All ACCEPT)
$IPTABLES -t nat -A POSTROUTING -o $INTERFACE1 -j SNAT --to-source $IP1
$IPTABLES -t nat -A POSTROUTING -o $INTERFACE2 -j SNAT --to-source $IP2
>>rt_tables
#
# reserved values
#
255 local
254 main
253 default
0 unspec
#
# local
#
#1 inr.ruhep
203 uplink_e
202 uplink_v
PS: Ip numbers are not real .... :/
Thanks in advance for any help;
--
Alan Romaniuc
Phone : +55 11 5105-4955
Mobile : +55 11 8270-2520
alan.romaniuc@xxxxxxxxxxxxxxxxxx
INTELIGENSA DO BRASIL
Rua Quintana, 887, 5o. andar - Brooklin
04569-011 - São Paulo - SP - BRASIL
www.inteligensa.com.br
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