[SR-Users] question bout UA and BOX in same NAT

Daniel-Constantin Mierla miconda at gmail.com
Thu Sep 8 16:22:52 CEST 2011


Hello,

On 9/8/11 3:12 AM, MingHon wrote:
> Hi,
>
> Sorry, let me explain my situation.
>
> my box is behind nat with private ip 192.168.2.3 and nat ip is 60.x.x.x
>
> and asterisk is same nat as the box with private ip 192.168.2.23
>
> now let say i got 2 UA. one UA is located on different nat and another 
> UA is same nat with the box.
>
> UA1- private ip 10.10.10.123 and nat ip is 60.y.y.y
> UA2- private ip 192.168.2.100 and nat ip is 60.x.x.x
>
> with advertised_address = 60.x.x.x
> UA1 successfully register.
> UA2 registration fail. because when box send option method, UA2 reply 
> 200OK to 60.x.x.x
>
> is there anyway to rewrite the via header when sending to UA2 ?
then maybe is better to use set_advertise_address based on source IP, 
not only as global option:

http://www.kamailio.org/dokuwiki/doku.php/core-cookbook:3.1.x#set_advertised_address

So depending who is sending the request, you set the right advertised 
address per request.

Cheers,
Daniel

>
> Thanks and Regards,
>
> MingHon
>
> On Wed, Sep 7, 2011 at 4:40 PM, Daniel-Constantin Mierla 
> <miconda at gmail.com <mailto:miconda at gmail.com>> wrote:
>
>     Hello,
>
>
>     On 9/6/11 8:53 AM, MingHon wrote:
>>     Hello List,
>>
>>     Can i have UA in the same nat with the box and also UA in
>>     different nat at the same time?
>>
>>     My box is currrently working behind nat with ip 192.168.2.3
>>     and advertised_address is set to sip.mydomain.com
>>     <http://sip.mydomain.com>
>>
>>     is it possible to append the via header replace the
>>     sip.mydomain.com <http://sip.mydomain.com> to 192.168.2.3 ?
>     not sure I understand what you want to achieve. First you say that
>     you want advertised address to be sip.mydomain.com
>     <http://sip.mydomain.com> but then you want it to be 192.168.2.3,
>     which would be if you don't set advertised address parameter.
>
>     Cheers,
>     Daniel
>
>     -- 
>     Daniel-Constantin Mierla --http://www.asipto.com
>     Kamailio Advanced Training, Oct 10-13, Berlin:http://asipto.com/u/kat
>     http://linkedin.com/in/miconda  -- http://twitter.com/miconda
>
>
>
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-- 
Daniel-Constantin Mierla -- http://www.asipto.com
Kamailio Advanced Training, Oct 10-13, Berlin: http://asipto.com/u/kat
http://linkedin.com/in/miconda -- http://twitter.com/miconda

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