multi-isp connection NAT not working

/dev/rob0 rob0 at gmx.co.uk
Wed Sep 28 20:24:11 CEST 2005


On Wednesday 2005-September-28 11:51, Daniel Wittenberg wrote:
> I think this is a simple problem, but nothing I've read so far seems
> to help, maybe I'm missing something.

A serious typo?

> route add default via {ISP-1-gateway} table T1 dev eth0
> rule add from {ISP-1-ip} table T1
> rule add fwmark 1 table T1

Prepend "ip " to those.

> iptables -t mangle -A PREROUTING -i eth0 -j MARK --set-mark 1

ok

> route add default via {ISP-2-gateway} table T2 dev eth1
> rule add from {ISP-2-ip} table T1
> rule add fwmark 2 table T1

Again prepend "ip " and s/T1/T2/

> iptables -t mangle -A PREROUTING -i eth1 -j MARK --set-mark 2
>
> Any ideas?

I use and recommend Julian Anastasov's routes patch. Usage is explained 
in http://www.ssi.bg/~ja/nano.txt , the patches are linked from the 
parent directory. IWFM at 3 sites.
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