[LARTC] Load Balancing with 2 uplinks

[Christoph Simon <datageo@terra.com.br>]

Hi,

I'm building a set of networks for a chain of cyber cafes. The
Internet connections are 512k ADSL links which work very
unreliably. There are at least a couple of hours each day they do not
work. Therefore the owner decided to put two of them in each network,
choosing a different ISP to minimize the probability that both fail at
the same time (which still happens). If one fails, we now can switch
manually to the other. Now, of course, I would like to use the right
interface for each connection, either the only one which is working,
or which is being less used. All client machines are routed through a
proxy server which also controls who may reach Internet at a given
time.

I have been looking for a solution to this problem for quite a while,
but most methods seem to be designed to address the inverse situation,
where one server can be reached by more than one links. Is there a way
to do this with the Linux 2.4?

Thanks in advance.

--
Christoph Simon
datageo@terra.com.br
---
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