And Using two links to one provider does nothing for true redundancy, diversity, and failover..

Tom DeReggi
RapidDSL & Wireless, Inc
IntAirNet- Fixed Wireless Broadband


----- Original Message ----- From: "RickG" <[EMAIL PROTECTED]>
To: "WISPA General List" <wireless@wispa.org>
Sent: Friday, January 19, 2007 8:33 PM
Subject: Re: [WISPA] Dual-WAN routers


Juat catching up on the list after a busy couple of weeks. So, are we
saying that all the products that claim load balancing dont work? I
can testify that the auto-failover works but the load sharing seems to
make things slower not faster. Keep in mind I have not tested
everything.

-RickG

On 1/8/07, Jeff Broadwick <[EMAIL PROTECTED]> wrote:
Great points Butch!

There are products out there that claim "load balancing" and "failover", but
there is only one way to do both, and that is through bonding.  Bonding
requires that the circuits be terminated in one router on your end and one
router on the provider end.

The only true failover with multiple providers is BGP, although there are
companies claiming otherwise on that also.  BGP does nothing for load
balancing.

Jeff


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Butch Evans
Sent: Sunday, January 07, 2007 1:49 AM
To: WISPA General List
Subject: Re: [WISPA] Dual-WAN routers

On Sat, 6 Jan 2007, David E. Smith wrote:

>> This is for the end user cpe side. I'd like to see both fail-over and
>> load balancing but fail-over is priority. No need for wireless. I'll
>> look into the microtik. Thanks! -RickG

Rick, keeping in mind that "load balancing" where you don't control both
ends of both links is not truly possible, there is a way to SORT OF get this effect. The problem is that some things have to be treated in a special way when you are using NAT (actually, masquerade, but we won't go there). VoIP, P2P, VPN and a few others come to mind. Either way, there are some things
you can do to make this work with MT, and it's not that hard, but it IS a
bit time consuming to get it right.

As for failover, there are several ways to do this, and some of them are
pretty simple.  A bit of scripting knowledge is required, but other than
that, it is not that bad to do. There are some examples in the manual (as
David pointed out)

>Mikrotik RouterOS manual. In a pinch, I know we've got one or two
>Mikrotik trainers on the list; you could get them to show you how to do
>it. You only have to pay for it once, then you can just copy-and-paste
>the configuration from there on out. :D

Well, copy/paste for policy routing is not really that cut and dried. It is best to understand what the policy states, then moving it to a new system is not that hard. As I said, it is somewhat time consuming to get it working,
however.

>Fair warning, I haven't used the RouterBoard 150 hardware I mentioned,
>but most of their other hardware has treated me well, so I wouldn't
>expect that board to be any different.

I like the 150...it is a very inexpensive solution for a low end router
(just $70 plus a case and powersupply).  The 153 is only $120 and you can
add radio cards.

--
Butch Evans
Network Engineering and Security Consulting
573-276-2879
http://www.butchevans.com/
My calendar: http://tinyurl.com/y24ad6
Training Partners: http://tinyurl.com/smfkf Mikrotik Certified Consultant
http://www.mikrotik.com/consultants.html
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