[cisco-voip] Cluster setup with 2 Subs - Sub 2 did not pick up the load.

[Nathan Reeves]

Which Servers are included in the Server Group which is selected in the
Device Pool assigned to the Phones?  When you mention 'TFTP Server lists',
I'm assuming you mean the IP Addresses included in DHCP Option 150?  This
is seperate to the CUCM Servers that are pushed to the phones.

But assuming all servers are included in the CUCM Server Group assigned to
the Device Pool, the phones should have failed over upon loss of
communication with their primary (and possibly) secondary CUCM Server.

Take a look at the web page of a phone and under the 'Network Setup' page,
see what are set for 'Unified CM 1', 'Unified CM 2' and 'Unified CM 3' are.

On Mon, Jan 30, 2017 at 2:52 PM, Gary_Bates_Command_Solutions <
gbates at commandsolutions.com.au> wrote:

> My client had an issue where the 2nd sub did not register any phones when
> the Pub and primary Sub failed.
>
>
>
> This is a 1500 seat call centre so it caused a massive problem.
>
>
>
> All phones have the IP addresses of both subs in their TFTP server lists.
> Network routing confirmed ok. Call Manager / TFTP service running on both
> Subs. DB replication status good.
>
>
>
> Could someone confirm that if Pub / Sub 1 go down, Sub 2 should allow
> phone/ device registration and calls to still work ?
>
>
>
> Regards
>
>
>
> * Gary Bates*
>
> * Voice and Network Specialist *
>
> * CCIE #53842*
>
>
>
> [image: cid:image001.jpg at 01CC9F93.487A1130]
>
>
>
>  Mobile 0424 229 995 ( + 61 424 229995 <+61%20424%20229%20995> )
>
>  Email: gbates at commandsolutions.com.au <garycomsolutions at iprimus.com.au>
>
>
>
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