Re: Load balancing between routers

From: Roberto Fichera (kernel@tekno-soft.it)
Date: Mon Sep 18 2000 - 11:58:03 EST


At 15.27 18/09/00 +0300, semat wrote:

> > Currently I have 3 routers (64Kbit/s, 256Kbit/s and 2Mbit/s). When I use
> > the 2Mbit/s, I pay for traffic
> > that exceed XGbytes/Month. So what we need ? We need to configure a new
> > linux box that balance all the
> > intranet traffic between the 3 routers. I need to use QoS or configure
> > others thing ?
> >
> > Roberto Fichera.
> >
>I hope what you mean is that you have 3 routes to the internet.

Yes! I've 3 different routers to the Internet. Currently my firewall (Linux
router) is configured
with routes by source (I've 3 different routing table, one for each router).

> Via different ISPs giving you different bandwidth. Now what you can do
> is get
>a router and configure it to use OSPF. Then you can assign costs to the
>different routes to the internet. I would imagine something like assigning
>a cost of 10 to the 2MB 20 to the 256KB and 30 to the 64KB thus the 2MB is
>still your most prefferred route but traffic also goes down the other two
>routes as well. But you will have to do some social engineering with your
>upstreams so that you can talk OSPF to their routers. This will also help
>you incase one link goes down. Your traffic will simply go through the
>other two routes.

I think to have found my solution. On QoS I've found a TEQL that seem to do
what
I need. I'll try it this days.

Roberto Fichera.

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