[c-nsp] Load balancing across 2 ADSL lines

[Melvin C. etheridge]

I'm looking at tryning to do something like this for one of my customers.

Will this work over PPPoA?

Thanks,

Mel

----- Original Message ----- 
From: "Daniel Holme" <dholme at mistral.net>
To: <cisco-nsp at puck.nether.net>
Sent: Thursday, October 13, 2005 7:47 AM
Subject: Re: [c-nsp] Load balancing across 2 ADSL lines


> James O'Farrell wrote:
>> I am looking to load balanced across 2 ADSL lines either both coming
>> into the same router or using 2 separate routers, any thoughts would be
>> much appreciated.
>
> The best way to do this on one router is (providing your provider
> support it on their DSL aggregation device(s)) using MLPPP. PPP will
> load balance frames across both circuits quite well and is a neat, clean
> configuration.
>
> You could have issues with the whole 'latency creates buffering and CPU
> issues' but in my experience it's been OK. I've done this with 1721 and
> 2801, using 2 and 3 circuits, all in one bundle.
>
> Your provider will need to terminate your sessions using (probably) L2TP
> and multilink across the interfaces it creates for each circuit you
> connect up into the bundle.
>
> As for two seperate routers, you open up another can of worms there,
> maybe start thinking about combinations of tunneling and cef load
> balancing and other dirty hacks :/
>
>
> -- 
> Dan Holme
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