Hello,

advertise_address is an old global parameter that is only for Via. Try to use the advertise attribute for listen parameter -- see core cookbook for more details.

Cheers,
Daniel

On 14.01.22 08:27, Muhammad Danish Moosa wrote:

Hi,

I have a pair of kamailio stateful proxies and am trying to achieve Active-Passive failover model with DMQ 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 kamailio service on primary IP , SBCs blacklist that and start sending new invites to secondary IP. 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

" The core of mans' spirit comes from new experiences. "___ Christopher McCandless
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