[OpenSIPS-Users] load balancer

[Matt Broad]

Thanks for the reply Bogdan-Andrei,

I will give that a go and see if it helps :)


thanks
Matt

On 19 January 2015 at 18:28, Bogdan-Andrei Iancu <bogdan at opensips.org>
wrote:

>  Hello Matt,
>
> In OpenSIPS you need to use the onreply route to get access to those 200
> OK replies (from FreeSwitch). In there use
> fix_nated_sdp("2","FS_public_ip") to rewrite the IP in the SDP:
>
> http://www.opensips.org/html/docs/modules/1.11.x/nathelper.html#id293864
>
> Regards,
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developerhttp://www.opensips-solutions.com
>
> On 19.01.2015 17:54, Matt Broad wrote:
>
> Hi,
>
>
>  I was looking for some guidance on using the load balancer in a NAT
> environment.
>
>  I have the following setup (the IP addresses are made up but should give
> an indication):
>
>  1 x opensips server with load balancer module - IP 192.168.0.1
>  2 x freeswitch servers - IP 192.168.0.2 & 192.168.0.3
>
>  All 3 servers have seperate external IP address routing to their
> internal IP via our firewall:
> 217.0.0.1 routed to 192.168.0.1 (Opensips)
> 217.0.0.2 routed to 192.168.0.2 (FS1)
>  217.0.0.3 routed to 192.168.0.3 (FS2)
>
>  I have the load_balancer table with the following details:
>
>  id,  | group_id, |                  dst_uri,            | resources,  |
> probe_mode, | description
> '1',  |      '1',     |  'sip:192.168.0.2:5080',  |   'pstn=10', |
>    '2',       |          'FS1'
> '2',  |      '1',     |  'sip:192.168.0.3:5080',  |   'vm=1',     |
>   '2',       |          'FS2'
>
>
>  The call flow is:
>
>  SIP Provider --> 217.0.0.1 Opensips --> 192.168.0.2/3
>
>  The issue is, that when the 200 ok response is sent to the SIP provider,
> the Freeswitch server's internal IP is being sent in the SDP connection
> information (c).  This causes the ACK response from the SIP Provider to
> fail to be sent correctly.
>
>  With the calls routed directly to the FS servers (removing opensips from
> the flow), the calls work fine.
>
>  Any help would be much appreciated :)
>
>
>  thanks
>
>
> _______________________________________________
> Users mailing listUsers at lists.opensips.orghttp://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.opensips.org/pipermail/users/attachments/20150122/65d1e6d2/attachment.htm>