[Serusers] DNS SRV Record and VRRP/Keepalived

[Klaus Darilion]

You have to configure ser to listen ONLY to the virtual IP address!

regards,
Klaus

verbalkint at virgilio.it wrote:

> Hi all,
> 
> I've a very difficult problem to solve...I have 2 SER process running over
> 2 separate machine...one is the primary and the other is the secondary Sip
> Proxy Server....my PSTN gateway support RFC 2782 (RFC 3263) very well and
> I like this approach to locate the SIP Proxy Servers, but my SIP terminal
> adapter doesn't support this protocol neither have the chance to set up
> the secondary (backup) proxy server...my workaround is to resolve the FQDN
> of the 2 SPSs in the DNS A Record with the virtual IP and to populate the
> DNS SRV records with the real ip (for the pstn gws) ....and here start the
> problem....in the ser.cfg I've set this:
> 
> listen=Virtual_IP
> listen=Real_IP_NIC
> 
> (listen=0.0.0.0 seems to not work)
> 
> advertised_address=??? (which, the Virtual_IP from the inbound to outbound
> or the real ip address for calls outbound to inbound??)
> 
> ...and there is many side effect...request proxied from my Sip Proxy server
> with Via Header Field Virtual_ip and Record_route with real_ip.....request
> coming from real-ip Proxy blocked from some firewall cause the pinhole is
> open but from request coming from virtual-ip and not from real_ip and so
> on.....
> 
> Is there a way to handle this scenario??
> 
> Thanx to all,
> 
> Verbal
> 
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