Two ethernet one IP load balancing ?

[David Aldworth]

If you want to put a freebsd/openbsd router in front of multiple machines
we've seen some success in the past using pf + carp.

David

-----Original Message-----
From: owner-freebsd-amd64 at freebsd.org
[mailto:owner-freebsd-amd64 at freebsd.org] On Behalf Of Alexandre Vieira
Sent: Thursday, March 08, 2007 7:56 AM
To: Nikos Vassiliadis; freebsd-questions at freebsd.org;
freebsd-amd64 at freebsd.org
Subject: Re: Two ethernet one IP load balancing ?

On 3/8/07, Nikos Vassiliadis <nvass at teledomenet.gr> wrote:
>
> On Thursday 08 March 2007 14:32, Frank Bonnet wrote:
> > Nikos Vassiliadis wrote:
> >
> > >
> > > Why do you think that the network is the bottleneck
> > > in your setup? Do you have a system that can process
> > > - in some way - 1Gb of email per second?
> >
> > That is not ONLY smtp traffic we extensively use IMAP
> > and there are currently 400/500 IMAP processes on the
> > machine , this protocol is a pretty bandwidth cruncher
> >
> > the machine support also POP3 + WEBMAIL traffic so ...
> > the more it will have bandwidth, better will be the
> > email service given to my users.
>
> You say that your servers (whatever that is IMAP, SMTP,
> POP3, web) running on an one and only computer are pushing
> down the wire over 1Gbps?
>
> What's your current bandwidth utilization?
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The freebsd port channeling support (I think it's called trunk in openbsd)
is very limited. You have ng_one2many which let you aggregate two interfaces
using round robin loadbalancing and ng_fec with uses fast ethernet channel.
There isn't any LACP support yet :|

What hardware do you use to push 1gbps on a mail server?

Cheers
-- 
Alexandre Vieira - nullpt at gmail.com
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