I know of routers by Cisco (perhaps linksys, others?) that are able to
handle multiple uplinks in a load-balancing/failover scenario
elegantly. I'm afraid I don't have the models handy right now.
However, don't expect them to be cheap since this sort of solution is
usually reserved for corporate customers for whom the loss of internet
connectivity is a big no-no.
I'll forward whatever I find when I get back to the office from
vacation.
Cheers.
[email protected] wrote:
Diego Rivera wrote:
Also, if you're looking for resiliency and fault tolerance, this isn't going to
do it for you either. That you'll have no choice but to implement yourself
(i.e. dynamically swapping default routes and whatnot). Importantly, the load
balancing function of shorewall works fine until one of the links goes down.
When it does, everyone who was using that link will be cut off. This isn't
because of Shorewall, it's because of how linux routing works.
That's a shame. I kind of guessed that it would be a non-trivial
problem. My script now changes the route with "ip default route". I
wonder if it will also need to rewrite some of Shorewall's configuration
files, to try and steer traffic such that it avoids links that are down.
This is a not-so-trivial problem to solve regardless of how it seems. I for one
haven't found an elegant solution (using Linux!) for circuit
load-balancing/failover problem in a dual-ISP scenario. Perhaps if someone is
aware of one they can offer some links/insight?
Have you found a solution using another product, perhaps a dedicated
piece of hardware? The Peplink Balance 20L router looks intriguing.
Josh
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Come build with us! The BlackBerry® Developer Conference in SF, CA
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