[LARTC] Newbie question

Linux Advanced Routing and Traffic Control

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Hello All,

I have two Internet link and two LAN networks
I have Redhat-7.1 linux-2.4.17 kernel and 2 NICs
In eth0 172.16.1.1 and eth0:1 192.168.1.1
in eth1 are public ips of isps as eth1 a.b.c.d and eth1:0 w.x..y.z

I want do source routing using ip rule command.

echo 200 isp1 >> /etc/iproute2/rt_tables
ip rule add from 172.16.1.0/24 table isp1
ip rule ls
0:      from all lookup local 
32765:  from 172.16.1.0/24 lookup isp1
32766:  from all lookup main 
32767:  from all lookup default

ip route add default via a.b.c.d dev eth1 table isp1
ip route flush cache

Its work fine when request comes from 172.16.1.0 netwok

When i add
ip route add default via w.x.y.z dev eth1

to forward request from another lan network it works fine
but req from 172.16.1.0 does not work

if i remove 
ip route del default via w.x.y.z dev eth1

its work well.

Did i leaveout anything in configuration?

Is my confifuration is correct?

Thanks,
Suresh


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