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