Hello all,
I need to put an IP alias to the same ethernet card, like this:
eth0 - IP1/MASK1/BROADCAST1
eth0:1 - IP2/MASK2/BROADCAST2
In this box I will have another card that conects to a LAN netowork. I
need this two alias in eth0 becouse I have two routes do take, but it seens
to do not work. This is the script I am using (this scripts works fine when
I have two ethernet cards like eth0 and eth1 for backbone and eth2 for LAN):
---- SCRIPT BEGINING /usr/loca/firewall/loadbalance ----
#!/bin/sh
#-------------------------
# Configuracao de redirecionamento de portas para os links
# Balanceamento de carga entre pontos de rede
# ++++++++++++++++++++++++
# Script criado por NATANIEL KLUG
#-------------------------
#
#----
# Variaveis de sistema
#----
IPTABLES="/usr/local/sbin/iptables"
IP="/sbin/ip"
#
#----
# ENTRADA DE LINKS
#----
IF1='eth0'
IF2='eth0'
#
#----
# Declara as redes
#----
P1_NET=172.30.0.0/24'
P2_NET='10.1.1.0/24'
#
#----
# Declara IPs
#----
IP1='172.30.0.55'
IP2='10.1.1.10'
#
#----
# Declara gateway das conexoes
#----
P1='172.30.0.1'
P2='10.1.1.1'
#
#----
# Mascara as redes e marca os pacotes
#----
$IPTABLES -t nat -A POSTROUTING -o $IF1 -j MASQUERADE
$IPTABLES -t nat -A POSTROUTING -o $IF2 -j MASQUERADE
#
#----
# Declaracao de rotas padrao para os links
#----
$IP route add $P1_NET dev $IF1 src $IP1 table T1
$IP route add default via $P1 table T1
$IP route add $P2_NET dev $IF2 src $IP2 table T2
$IP route add default via $P1 table T2
#
$IP route add $P1_NET dev $IF1 src $IP1
$IP route add $P2_NET dev $IF2 src $IP2
#
$IP route add default scope global nexthop via $P1 dev $IF1 weight 1 nexthop
via $P2 dev $IF2 weight 1
#
$IP rule add from $IP1 table T1
$IP rule add from $IP2 table T2
#
#----
# Atualiza tabela de cache
#----
$IP route flush cache
---- END OS SCRIPT ---
What can I do (if there is something) for this to work?
Att,
Nataniel Klug
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