Thu Feb 13 13:37:00 NZDT 2003
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> Hi everyone,
> I'm currently investigating how to set up ADSL failover.
> The default gateway on the network is a Linux machine, and its default
> gateway is a Nokia M1122 connected to Tempest. In case the Tempest
> connection goes down, I would like to set the machine up to fall back to a
> secondary route, connected to a Jetstream modem. The Jetsream connection
> should only ever be used in the case that the Tempest connection is
> How I've thought this should work:
> - set a route for both modems, giving the Tempest modem a higher metric
> (this might not be necessary?)
lower metric's are prefered. you want to give the jetstart modem a
> Would a ping test fired by something like Nagios be enough for this task?
> The modems support RIP, but I'm not sure what I'd need to do with the Linux
> machine to use it, and if it's overkill? Am I missing anything?
rip would be good if they announce if they are up/down, as you could use
rip to add/remove the routes. rip works just like ospf, see the zebra
docs for more information
Bower's Law: Talent goes where the action is.
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Comment: Only when you are sure they have you, can you stop being paranoid
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