[cisco-voip] presence failover issues

[Anthony Holloway]

Under normal HA failover circumstances, the users should not lose the
association they already have.  Granted, new users will not be able to be
assigned when HA is broken.  So, this seems like a defect to me.  Or, quite
possibly a change in behavior from what I am used to, in which case, that's
terrible to have to re-assign all users upon failover, especially if you've
chosen manually as opposed to automatic assignment, because you need users
on certain pairs, in a multi-pair environment.

If you think it's a matter of distance, you need to check that the network
characteristics are meeting the requirements for clustering over the wan
<https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/collab12/collab12/models.html#pgfId-1043996>.
E.g., There is a steady 1.5Mbps required between sites, and then you must
factor in: additional sites, users and activity on top of that.  QoS plays
an important role to ensure the network performs the way you designed it to
under no congestion/load.

On Mon, Sep 14, 2020 at 1:16 AM naresh rathore <nareh84 at hotmail.com> wrote:

> hi
>
>
> I currently have cucm 12.5.1.11900-146, primary cucm and im and presence
> is installed in Sydney and secondary is installed in Newzealand. often i
> see user disassociated with presence server and user are not able to login
> to jabber. i have to to again assign all user to presence server. also
> sometime see following presence redudancy status. is it because of these
> devices are installed far away
>
>
>
>
>
> Regards
>
>
> Nareh
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