What would be nice would be to load balance on a per connection
basis, not a per packet basis, between the two modems.
Any ideas how to do this ?

Rick

Steve Ames wrote:

> On Fri, Dec 07, 2001 at 09:03:20AM -0800, Lars Eggert wrote:
> > Anders Hagman wrote:
> >
> > >I want to load share between two ADSL modems using a NAT/Firewall.
> > >
> > >Computer 1 \
> > >            \                                     /-- ADSL 1
> > >             \                                   /
> > >Computer 2 ------ Wireless LAN --- Firewall/NAT -
> > >    .        /                                   \
> > >    .       /                                     \-- ADSL 2
> > >Computer 10/
> > >
> > >The ADSL are 500k links and I want to load share on session by session.
> > >Can I do NAT between an inside interface and two outside interfaces
> > >acting in a round robin fashion?
> >
> > This may not be the good idea you'd think on first glance. If one of the
> > paths has a slightly different RTT (and they're pretty much guaranteed
> > to), you'll see out-of-order delivery at the receiver. I remember seeing
> > some study that showed that TCP doesn't react too nicely under such
> > conditions (it works, but not at peak performance).
>
> Is it even possible to do use two upstream paths for redundancy? I tried
> (very briefly while I had two broadband connections while switching from
> one to the other) to get that to work and wasn't very successful.
>
> -Steve
>
> To Unsubscribe: send mail to [EMAIL PROTECTED]
> with "unsubscribe freebsd-hackers" in the body of the message


To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message

Reply via email to