[OpenSER-Devel] LCR issue

[Peter Spikings]

Hi all,

I'm trying to get LCR working and am coming up against a problem with the 
blacklist. When the first gateway to be tried is unresponsive it invokes the 
failure route as you'd expect and blacklists the IP address.

All OK until the next call comes in at which point openser automatically 
rejects the call with error "Filtered destination (473/TM)" and doesn't call 
the failure route hence breaking the desired failover behaviour of LCR.

I've dug around a bit and noted that I can disable the DNS blacklist which 
would make LCR work again but ideally I want it to skip over gateway entries 
which are blacklisted.

>From looking at the code it seems too hard to change the DNS blacklisting 
behaviour to invoke the failure route when the destination IP is blacklisted 
so I'm tempted to change the LCR code in load_gws to never come back with 
gateways that are blacklisted at the current point in time. Does anyone have 
any better suggestions?

Thanks,

Peter Spikings
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