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

[Lelio Fulgenzi]

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.

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Lelio Fulgenzi, B.A. | Senior Analyst
Computing and Communications Services | University of Guelph
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On Jan 28, 2020, at 8:49 PM, Jonathan Charles <jonvoip at gmail.com<mailto: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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