[c-nsp] combining multiple dsl lines

[Dan Letkeman]

The adsl connections are PPPoE and they do not support multilink.  I
am using nat on the router as well.

I guess I will stick with route-map's for now as I know how to
configure it and it works well in this configuration.

Thanks for the info!
Dan.

On Tue, Jul 22, 2008 at 11:18 PM, Ben Steele
<ben.steele at internode.on.net> wrote:
> Depends a lot on the adsl connections, are they ppp ? does the remote end
> support multilink? if so then multilink ppp is a good option providing all 4
> lines are the same characteristics.
>
> Otherwise other options are cef load balancing, what type will depend on
> whether you are using NAT or not as you want to make sure the packet flow
> takes the right path, load balancing using the source/dest port algorithm
> works quite well though, probably wouldn't reccomend per packet over adsl.
>
> The route-map way is ok but wouldn't utilise the links as well as cef load
> balancing or ppp multlink could.
>
> Another option worth throwing in is the use of ip sla on your routes so as
> to remove them from the equation should one link go down, can also be done
> with the route-map using verify-availability on the next-hop option.
>
> Ben
>
> On 23/07/2008, at 1:39 PM, Dan Letkeman wrote:
>
>> I have a customer that is wanting to combine 4 adsl connection through
>> one router.  In the past I have setup systems where I have taken
>> groups of ip's from the internal network and have route-map'd them to
>> different adsl connections.  Is there a way to "combine" the dsl
>> connections or is using route-map's still the better way to go?
>>
>> Thanks,
>> Dan.
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