[Freeswitch-users] Supress Unregister at external gateway

Fri Nov 21 06:07:59 PST 2008

fsctl pause
will make it reject all calls globally.
you could also add an ext in your dp
that does 302 to the other box and load it when needed during the
transition.

On Fri, Nov 21, 2008 at 8:00 AM, Peter P GMX <Prometheus001 at gmx.net> wrote:

> Thanks for the hint,
>
> we are doing this with SIP SRV records already.
> Concerning pause: There is a command to pause the media on a given
> channel. Is there another command to stop FS responding on requests?
>
> Best regards
> Peter
>
>
>
>
> Michael Jerris schrieb:
> > How are your endpoints pointing to the 2 boxes?  Using dns srv
> > records.  I think the cleanest way is to change the srv records, do a
> > "pause" on freeswitch 1, wait for all calls and registrations to fall
> > off of box 1, all new registrations and calls will then be to box 2,
> > once it is clear you can take box 1 down for maint.
> >
> > Mike
> >
> > On Nov 20, 2008, at 12:23 PM, Peter P GMX wrote:
> >
> >
> >> Thanks, David,
> >>
> >> here are my coments:
> >>
> >>
> >>> (a) can you not do something where you deregister them one at a time,
> >>>
> >> or in batches, on FS1
> >>
> >>> while registering them on FS2?
> >>>
> >> A batch is a good method, and reduces the downtime of course
> >>
> >>
> >>> (b) use method 1, but set a short period for re-registration
> >>> initially,
> >>>
> >> and then increase it once FS1's
> >>
> >>> taken down?
> >>>
> >> another good method, but forced to re-register all 5000 gateways, this
> >> produces a high load, and anyway FS is spreading re-registers over the
> >> expires time period (by trying out, this deos not seem to be
> >> documented
> >> somewhere?).
> >>
> >> <(c) use method 1, but take FS1 off the network before taking it down
> >> (e.g. ifdown eth0, route delete default..?)
> >>
> >>> so that its unregistration attempts don't reach the gateways?
> >>>
> >> This will drop existing calls. We thought about adding another
> >> firewall
> >> rule, but we would like to keep it simple and stable in a production
> >> environment.
> >>
> >> Best regards
> >> Peter
> >>
> >> David Knell schrieb:
> >>
> >>> Hi Peter,
> >>>
> >>> A quick brainstorm:-
> >>> (a) can you not do something where you deregister them one at a time,
> >>> or in batches, on FS1
> >>> while registering them on FS2?
> >>> (b) use method 1, but set a short period for re-registration
> >>> initially, and then increase it once FS1's
> >>> taken down?
> >>> (c) use method 1, but take FS1 off the network before taking it down
> >>> (e.g. ifdown eth0, route delete default..?)
> >>> so that its unregistration attempts don't reach the gateways?
> >>>
> >>> Cheers --
> >>>
> >>> Dave
> >>>
> >>>> I have the following scenario for a 2-server FS system with failover
> >>>> functionality:
> >>>>
> >>>>    * I have a number of Gateways registered at FS1
> >>>>    * I have another number of Gateways registered at FS2
> >>>>    * In case I want to do maintenance on FS1 I would like all
> >>>>      external gateways to be registered on FS2 and then shutdown FS1
> >>>>    * This is not of a problem if I have only a handful of gateways,
> >>>>      but in our case they're about 10.000
> >>>>    * The goal is to minimze downtime, when I migrate  e.g. 5000
> >>>>      gateways from FS1 to FS2
> >>>>
> >>>>    * 1st method: The normal way would be to register (via xml-rpc or
> >>>>      socket) the new Gateway on FS2 and then deregister it on FS1.
> >>>>      FS1 sends an unregister (register with expires=0) to the
> >>>>      gateway though (after the register from FS2), so this Gateway
> >>>>      unfortunately no longer sends calls to any of the 2 FS.
> >>>>    * 2nd method: The other way is to deregister them first on FS1
> >>>>      and then register them all on FS2. Because deregistering and
> >>>>      registering takes time with ~5000 Gateways (+ we have to ensure
> >>>>      that the new register has to take place after unregister), this
> >>>>      results in a significant downtime.
> >>>>
> >>>> So my question: Is there any way to suppress deregister messages to
> >>>> the gateway?
> >>>>
> >>>> Best regards
> >>>> Peter
> >>>>
> ------------------------------------------------------------------------
> >>>>
> >>>> _______________________________________________
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> >>>>
> >>>>
> >>> --
> >>> David Knell, Director, 3C Limited
> >>> T: 020 8114 8901  F: 020 3002 7257  M: 001 415 630 3031
> >>> http://www.3c.co.uk
> >>>
> ------------------------------------------------------------------------
> >>>
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-- 
Anthony Minessale II

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