FreeBSD router two DSL connections

[Yance Kowara]

--- Eric F Crist <ecrist at secure-computing.net> wrote:

> On Dec 12, 2005, at 2:05 AM, Yance Kowara wrote:
> 
> > Ted,
> >
> > Thanks for the advice.
> >
> > A friend of mine has just acquired an Internet
> Cafe.
> > The previous owner connected the lan to 2
> different
> > ADSL (two different ISPs) one is a back up he
> said.
> >
> > So, two ADSL routers with half the Lan connected
> to
> > one router and another half to the other router.
> >
> > I am just thingking of a way to optimise the
> > connection and came accross Steven's article. I
> > thought I could do something similar with *BSD +
> pf.
> >
> > There is such thing as Dual Wan ADSL router:
> > http://www.infosmart.com.tw/p-ndr3024.htm
> >
> > However, they are quite pricey compare to setting
> up a
> > *BSD box (using old readily available hardware).
> >
> >
> > So, if this load balancing idea does not work, any
> > other thing I can do to optimise two DSLs?
> >
> > I also came accross this (linux way):
> >
>
http://www.tldp.org/HOWTO/Adv-Routing-HOWTO/lartc.rpdb.multiple-
> 
> > links.html
> >
> > Is this worth trying?
> >
> > Kind regards,
> 
> Yance,
> 
> The reason, without a pretty heavily involved
> configuration, this  
> won't work is packet routing.  Unless you're using
> BGP, Border  
> Gateway Protocol, you're not going to reliably route
> return packets  
> to any interface other than the interface it was
> transmitted from.   
> I'm guessing that the dual-wan device you speak of
> handles some  
> things differently.  Something like a large file
> download is going to  
> fail to utilize the full bandwidth, however, because
> of the nature of  
> the traffic.  If you really need to boost network
> bandwidth, you're  
> going to be forced into either working directly with
> an ISP to link  
> multiple DSL channels, or, more likely, obtain
> business-class service  
> over a T1/T3 setup.
> 
> HTH
> -----
> Eric F Crist
> Secure Computing Networks
> http://www.secure-computing.net
> 
> 
> 
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> 

Hmmmmmm, what about putting zebra into the picture ...
a solution or chaos?


Regards,

Yance

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