[OpenSIPS-Users] Load balancer probing from incorrect interface

[Bogdan-Andrei Iancu]

Hi Bill,

as you have a multi interface system, have you tried to enable the 
"mhomed" global parameter?
    http://www.opensips.org/Resources/DocsCoreFcn16#toc60

Regards,
Bogdan

Bill W. wrote:
> As an update, the load balancer probe appears to use the ip address
> specified by the first listen= directive.
>
> If I list the public IP first, then the probe tries to talk to the
> internal IP from the external interface IP.
>
>
> On 11/7/10 6:18 PM, Bill W. wrote:
>   
>> Hello everyone,
>>
>> I've got an opensips-1.6.3-tls installation using multiple interfaces
>> and load balancing.
>>
>> My internal interface  is rfc1918 space and my external interface has
>> public IPs.
>> listen=udp:10.0.10.3:5060
>> listen=udp:66.180.205.3:5060
>>
>>
>> I have the following load_balancer configuration:
>>  id | group_id |      dst_uri      | probe_mode
>> ----+----------+-------------------+------------
>>   1 |        1 | sip:66.180.205.11 |          2
>>   2 |        1 | sip:66.180.205.12 |          2
>>   3 |        2 | sip:10.0.10.1     |          2
>>   4 |        2 | sip:10.0.10.2     |          2
>>
>>
>> What's happening is that the load balancer is trying to probe the public
>> IPs from the private interface IP (and failing of course).
>>
>> tcpdump output on internal interface:
>> 18:13:26.471734 IP 10.0.10.3.5060 > 66.180.205.11.5060: SIP, length:
>> 18:13:28.473802 IP 10.0.10.3.5060 > 66.180.205.11.5060: SIP, length:
>>
>>
>> Thoughts?
>>
>> Thanks,
>> Bill
>>
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>>     
>
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>   


-- 
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
15 - 19 November 2010, Edison, New Jersey, USA
www.voice-system.ro