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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