[Users] Src&Dest ip avpops

[Klaus Darilion]

Fernando Rodriguez wrote:
> Rafael,
> 
> Lets say we have 3 clients 2 on the same lan and another on diferent lan
> 
> Client 1 192.168.3.5
> 
> Client 2 192.168.3.6
> 
> Client 3 192.168.4.5
> 
> The line :
> avp_printf("i:450", "$dd");
> 
>   if ( avp_check("i:450", "eq/$src_ip/g") )
> I mostly understand this.
> 
> But I really don’t get the idea on how does the src_ip from client 1 and 
> the src_ip on client 3 will be different they have different networks 
> but what will happened if I use the mask 255.255.0.0 when both clients 
> are on the same network.
> 

You do not care about the netmask, as openser does not see private IP of 
the client, but only the public IP of the NAT device. If clients are 
behind the same NAT, openser sees the same src_ip. (and after lookup the 
$dd will also be this public IP address).

> So my question is:  after I record $dd and check to $src_ip what is the 
> “g” for maybe that’s the part I don’t fully understand ??

Not sure, but in regexp this means "global". I guess this means that all 
AVPs named i:450 (there may be multiple AVPs with the same name) will be 
checked (e.g. a forked call with multiple branches).

regards
klaus

> 
>  
> 
> ------------------------------------------------------------------------
> 
> *De:* Rafael Risco GV [mailto:rafael.risco at gmail.com]
> *Enviado el:* Miércoles, 28 de Diciembre de 2005 11:22 a.m.
> *Para:* Fernando Rodriguez
> *CC:* users at openser.org
> *Asunto:* Re: [Users] Src&Dest ip avpops
> 
>  
> 
> try this:
> 
> http://openser.org/dokuwiki/doku.php?id=how_to_set_up_nathelper_rtpproxy_when_both_sip_ua_s_are_behind_same_nat 
> <http://openser.org/dokuwiki/doku.php?id=how_to_set_up_nathelper_rtpproxy_when_both_sip_ua_s_are_behind_same_nat>
> 
> On 12/28/05, *Fernando Rodriguez* <frod at aitelecom.net 
> <mailto:frod at aitelecom.net>> wrote:
> 
>  
> 
> Hello,
> 
>  
> 
> Is there a place were i can read about avpops module regarding src and 
> dst ip this is for using mediaproxy when the users are in diferent 
> interfaces of the equipment or diferent networks so i can only 
> mediaproxy the ones that need this functionalyty and the ones on the 
> same network connect direct from one to the other.
> 
>  
> 
>  
> 
> Thanks a lot
> 
>  
> 
>  
> 
> Fernando Rodriguez V.
> 
>  
> 
>  
> 
>  
> 
> 
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>  
> 
> 
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