On 09/10/2013 08:24 AM, John Doe wrote:
> Hi,
> 
> I use shorewall-4.5.4 + lsm-0.143 and it does not seem to work as expected...
> When all providers are up, everything seems fine.
> 
> When one goes down, lsm says "link <provider> down event"... and it seems 
> 
> ok but we then experience some problems such as a few unreachable sites, 
> 
> DNS problems...
> If I remove the downed provider from all confs and restart, everything works 
> again.

DNS problems can be eliminated by running your own caching name server.

> 
> Also, when the providers goes back up, lsm seems not to detect it when I use 
> external IPs or the next hop.  He does if I use the LAN IPs but he won't 
> detect a failure past the box.

Your main routing table *must* contain host entries for the external IPs
out of the appropriate interface.

> 
> Could someone check my confs to see if certain parameters would prevent 
> graceful deactivation of a provider...?
> Maybe the accounting rules that use all 3 providers?
> 
> About lsm, do I need to manualy add routes for the checked WAN IPs to go 
> through the respecting devices (as I read on the net) even though the 
> devices are in the conf?

Yes!

> I am also not sure about the ttl parameter... Should it match the numbers 
> of hops from the firewall? 

Yes.

-Tom
-- 
Tom Eastep        \ When I die, I want to go like my Grandfather who
Shoreline,         \ died peacefully in his sleep. Not screaming like
Washington, USA     \ all of the passengers in his car
http://shorewall.net \________________________________________________

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