[LARTC] mark and route traffic in a bridge

["Roberto Pereyra" <pereyra.roberto@gmail.com>]

Hi all !!


I would to like to mark and route some kind of traffic (ie: outbound
www, now by simplicity)



---inet1--------eth0------------|                 |
                                             |    linux      |
--eth1-------   clientes
---inet2(90.0.0.1)--------eth2-|                 |


I have eth0 and eth1 bridged (eth2 is not bridged).

I would to route www outbound clients  traffic through eth2.

This scheme works ?

I wrote this scripts:

a) add this line to /etc/iproute2/rt_tables

   200 web

b) I assign ip to eth2:

/sbin/ifconfig eth2 90.0.0.2

c) Mark outbound www packets  from clients:

/usr/local/sbin/iptables -A PREROUTING -t mangle -m physdev
--physdev-in eth1 -p tcp --dport 80 -j MARK --set-mark 2

d) I routing this marked packets

/sbin/ip rule add fwmark 2 table web

/sbin/ip route add default via 90.0.0.1 dev eth2 table web

e) Now I run iptraf listen eth2  but through eth2 is nothing of traffic.

What's a doing wrong ? How I can do it with a  bridge ?

Thanks in advance for any hint and excuse my english.

roberto



--
Ing. Roberto Pereyra
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