[LARTC] problems with routing (two DSL lines)

[LARTC] problems with routing (two DSL lines)

[Stefan Weigel]

Hi!
I have sucessfully installed the iproute2 stuff. I configurated the way like 
this:

iptables -A PREROUTING -i eth0 -t mangle -p TCP --dport 80 -j MARK --set-mark

echo 201 dynamic.out >> /etc/iproute2/rt_tables
ip rule add fwmark 1 table dynamic.out
ip route add default via <my_dyn_ip> dev ppp0 table dynamic.out

iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE


After setup it's working fine. But instead of only routing only the http 
requests over ppp0, all protocols are routed over this interface.

I have another DSL line (SDSL) with a public IP address. I don't know, why 
everything is routed through the ADSL line.


Best regards

Stefan

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__________________________________________




 stefan weigel
 administration


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Re: [LARTC] problems with routing (two DSL lines)

[Kim Jensen]

Hi Stefan,

The problem is that you must have a copy of your routing table installed with 
a different default. Look at the small shell script in 
http://linux-ip.net/html/adv-multi-internet.html.

/Kim

On Monday 31 March 2003 18:54, Stefan Weigel wrote:
> Hi!
> I have sucessfully installed the iproute2 stuff. I configurated the way
> like this:
>
> iptables -A PREROUTING -i eth0 -t mangle -p TCP --dport 80 -j MARK
> --set-mark
>
> echo 201 dynamic.out >> /etc/iproute2/rt_tables
> ip rule add fwmark 1 table dynamic.out
> ip route add default via <my_dyn_ip> dev ppp0 table dynamic.out
>
> iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
>
>
> After setup it's working fine. But instead of only routing only the http
> requests over ppp0, all protocols are routed over this interface.
>
> I have another DSL line (SDSL) with a public IP address. I don't know, why
> everything is routed through the ADSL line.
>
>
> Best regards
>
> Stefan

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