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Showing posts with label two gateway. Show all posts
Showing posts with label two gateway. Show all posts

Friday, July 25, 2014

Managing Two Gateway in Linux Environment using routing rules

eth3
Ipaddr=192.168.1.45
Gateway 192.168.1.1

cat /etc/iproute2/rt_tables
echo "# dual nic-gateway below" >> /etc/iproute2/rt_tables
echo "10 routetable15" >> /etc/iproute2/rt_tables
cat /etc/iproute2/rt_tables

echo "
192.168.1.0 dev eth3 src 192.168.1.45 table routetable15
default via 192.168.1.1 dev eth3 table routetable15
" >> /etc/sysconfig/network-scripts/route-eth3
echo "
from 192.168.1.0/24 table routetable15
to 192.168.1.45 table routetable15
" >> /etc/sysconfig/network-scripts/rule-eth3

eth1
Ipaddr 192.168.2.45
gateway 192.168.2.1

cat /etc/iproute2/rt_tables
echo "# dual nic-gateway below" >> /etc/iproute2/rt_tables
echo "11 routetable17" >> /etc/iproute2/rt_tables
cat /etc/iproute2/rt_tables

echo "
192.168.2.0 dev eth1 src 192.168.2.45 table routetable17
default via 192.168.2.1 dev eth1 table routetable17
" >> /etc/sysconfig/network-scripts/route-eth1
echo "
from 192.168.2.0/24 table routetable17
to 192.168.2.45 table routetable17
" >> /etc/sysconfig/network-scripts/rule-eth1