[OpenSIPS-Users] dispatcher ds_probing_sock with virtual ip

[Matt Hamilton]

Thanks Ovidiu. 

Initially Opensips was failing to start without that parameter for some reason (can't remember the exact error message, but it was about the bind address not being local). I removed it (didn't change anything else), tested it again, and opensips began binding to the virtual ip (??). Anyway everything including the dispatcher seems to be OK now. 

It's setup as active/passive as you suggested.

Matt


> Date: Sun, 25 Dec 2011 15:11:10 -0500
> From: osas at voipembedded.com
> To: users at lists.opensips.org
> Subject: Re: [OpenSIPS-Users] dispatcher ds_probing_sock with virtual ip
> 
> You should not set net.ipv4.ip_nonlocal_bind=1 unless you *really*
> know what you want to do (a true hot standby).
> You set the listen param correctly and you should try to start
> opensips *only* on the active node.
> If opensips is not able to start (to bind to the HA IP) it means that
> your HA setup is wrong.
> 
> You need to set net.ipv4.ip_nonlocal_bind=1 only if you want to mirror
> registration on the hot standby and when the HA IP migrates from one
> host to another, opensips is already up and running.  This setup
> require a well crafted config.
> My suggestion would be to keep opensips running *only* on the active
> node.  When the HA IP migrates from active to standby, just let the HA
> scripts to start opensips.  It is easier to setup and troubleshoot.
> 
> 
> Regards,
> Ovidiu Sas
> 
> -- 
> VoIP Embedded, Inc.
> http://www.voipembedded.com
> 
>
 		 	   		  
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