[cisco-voip] Expressway Cluster failover for MRA...

[Jonathan Charles]

OK, maybe I am misunderstanding... I have th E's paired together as a
cluster and the C's paired together as a cluster... I have the C's
initiating a UCM traversal client to both E's... is this not correct?


Jonathan

On Tue, Jan 28, 2020 at 7:59 PM Lelio Fulgenzi <lelio at uoguelph.ca> wrote:

> I could be wrong here, but from what was explained to me...
>
> You may be able to control the initial connection from off-prem device to
> the E of your choosing, but you cannot control which C that E talks to. And
> vice-versa.
>
> So, you could point people to Ea, but they could easily be sent to Cs. And
> that traffic back from Cs could easily be sent to Es.
>
> I was told at one time, the only option would be to put hosts in
> maintenance mode or something like that. But it wasn’t advised.
>
> I’d love to hear other suggestions.
>
> *-sent from mobile device-*
>
>
> *Lelio Fulgenzi, B.A.* | Senior Analyst
>
> Computing and Communications Services | University of Guelph
>
> Room 037 Animal Science & Nutrition Bldg | 50 Stone Rd E | Guelph, ON |
> N1G 2W1
>
> 519-824-4120 Ext. 56354 <519-824-4120;56354> | lelio at uoguelph.ca
>
>
>
> www.uoguelph.ca/ccs | @UofGCCS on Instagram, Twitter and Facebook
>
>
>
> [image: University of Guelph Cornerstone with Improve Life tagline]
>
> On Jan 28, 2020, at 8:49 PM, Jonathan Charles <jonvoip at gmail.com> wrote:
>
> We have two pairs of Expressway clusters (C/E) at two different locations
> (primary and DR)...
>
> The cluster is up, however, we want to make sure that we are in
> Active/Standby.
>
> Currently, we have one of our SRV records for collab-edge set at 5 (the
> backup is at 10) with the same weight.
>
> The clustering guide says we should set the priority and weight on both
> SRV records the same, which will cause half of the registrations to go to
> the DR site. It is far away and has less capability.
>
> How do we:
>
> 1 - Make sure the primary site handles all MRA registrations and the DR
> site is only used when the primary is down.
> 2 = Make sure failover occurs automatically... currently Jabber users have
> to log out and back in to connect to the DR site.
>
>
> Thanks!
>
>
> Jonathan
>
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