[OpenSIPS-Users] Failover without Virtual IP

[Bogdan-Andrei Iancu]

Hi Muhammad,

Take a look at 
https://blog.opensips.org/2019/10/03/re-homing-your-calls-with-opensips-3-0/

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS eBootcamp 2021
   https://opensips.org/training/OpenSIPS_eBootcamp_2021/

On 1/14/22 3:32 PM, Muhammad Danish Moosa wrote:
> I have a pair of opensips stateful proxies and am trying to achieve 
> Active-Passive failover model with clusterer dialog replication. 
> Primary Proxy is working in the middle of  2 SBCs and all nodes are 
> within the same network so NATing is NOT involved ;secondary proxy is 
> accessible through VPN. It's pretty simple configuration, proxy is 
> just adding and removing headers in the middle.
>
> So if I stop the opensips service on primary IP , SBCs blacklist that 
> and start sending new invites to secondary IP that takes active state. 
> That's all good.
>
> But if I reproduce this failover during a connected session , SBCs do 
> not send mid-dialog requests/responses to failover IP. I can see they 
> still try to send messages to primary SBC which obviously end up with 
> timeout. I understand the most natural solution is HA with Virual IP 
> but it's not possible because secondary IP is accessible through VPN.
>
> I tried to use DNS SRV record with priorities but that also does not 
> work with mid-dialog messages, I also have tried to change 
> record-route/via header to fqdn through advertise_address. Its not 
> changing record-route but via only but I am still not getting expected 
> results.
>
> Any guidance of possible solution(s) here will be appreciated.
>
> -- 
> Muhammad Danish Moosa
>
>
>
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