[OpenSIPS-Users] v3.1 Active/Active maintain active calls on node failure

[Andy Dierlam]

*Still in the process of testing/learning.  Would trigger the fail-over by
shutting down keepalived.

thanks,
Andy



On Tue, Jan 19, 2021 at 10:22 AM Kevin Wormington <
kworm at missouri-telecom.com> wrote:

> That seems to be how most are setup…maybe I’m making it harder than it
> should be :-)
>
> Out of curiosity what did/do you use to monitor OpenSIPS as up for your
> failover or did you just rely on the IP (keepalived, etc.) reachability?
>
> Thanks,
>
> Kevin
> > On Jan 19, 2021, at 9:08 AM, Andy Dierlam <adierlam at ptgi-ics.com> wrote:
> >
> > Ah, my setup was with a floating IP between servers.
> >
> > thanks
> > Andy
> >
> > On Tue, Jan 19, 2021 at 10:02 AM Kevin Wormington <
> kworm at missouri-telecom.com> wrote:
> > I’m not using a VIP and I have made some progress by setting a different
> active tag on each node…then upon node failure setting the failed node's
> tag to active on remaining node.  This lets the re-invite pinging work,
> etc.  It’s almost there but the handling of the BYE…they are still sent to
> the IP of the failed node even after re-invite pings so any in-progress
> calls from the failed node are zombie when they hang up until the re-invite
> ping times out (30 seconds).   I found an article about initiating a
> re-invite on the new node with something like "opensips-cli -x mi
> dlg_send_sequential callid="442CB6C1-6005F8B80009DA08-FC731700"
> mode=challenge body=outbound” but that either seems to terminate the call
> immediately or say the dialog wasn’t found.
> >
> >
> > Thanks,
> >
> > Kevin
> > > On Jan 19, 2021, at 8:46 AM, Andy Dierlam <adierlam at ptgi-ics.com>
> wrote:
> > >
> > > With dialog writing to db that both servers use.   And same tag on
> both - modparam("dialog", "dlg_sharing_tag", "vip1=active")
> > > had this working on opensips 2.4
> > >
> > > thanks
> > > Andy
> > >
> > >
> > > On Mon, Jan 18, 2021 at 2:30 PM Kevin Wormington <
> kworm at missouri-telecom.com> wrote:
> > > Hi,
> > >
> > > I've been attempting to get a two node active/active setup to work
> with the v3.1 clusterer module sharing usrloc and dialog.  The setup is
> fronted by a proxy that handles all of the NAT/media so either OpenSIPS
> instance can communicate directly with the user.
> > >
> > > What I have working so far:
> > >
> > > Registrations and calls work when sent to either node and if you stop
> OpenSIPS on a node new calls work fine using the other node.
> > >
> > > What I can’t get to work:
> > >
> > > Calls that are already in progress to switch between nodes when one
> node fails.
> > >
> > >
> > > I have messed around with various sharing tags…no tag, same tag,
> different tags but haven’t had any luck.   I’m guessing that I’m missing
> something to trigger the remaining node to send re-invites.  Has anyone
> attempted this type of setup and have any ideas?
> > >
> > > Thanks,
> > >
> > > Kevin
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