[cisco-voip] [External] [External] Re: CUCM call set up issue after migration

[Hunter Fuller]

Well you’re no fun.

On Wed, Jan 13, 2021 at 00:17 Kent Roberts <kent at fredf.org> wrote:

> Ah, except I edge was rebooted 4 hours before cause it went stupid.
>
>
> On Jan 12, 2021, at 11:10 PM, Hunter Fuller <hf0002 at uah.edu> wrote:
>
> Easy peasy. Reboot half of the E nodes after x/2 days. Now the reboots are
> staggered, no further impact to users. Next question. Am I rich yet?
>
> On Wed, Jan 13, 2021 at 00:08 Kent Roberts <kent at fredf.org> wrote:
>
>> We have a new expressway funness.   Edge side of the cluster all reboot
>> at one time.. every x number of days….
>>
>> Take the easy ones!
>>
>>
>> On Jan 12, 2021, at 10:41 PM, Hunter Fuller via cisco-voip <
>> cisco-voip at puck.nether.net> wrote:
>>
>> Whoever said that has clearly never administered Expressway.
>>
>> On Tue, Jan 12, 2021 at 23:25 Anthony Holloway <
>> avholloway+cisco-voip at gmail.com> wrote:
>>
>>> Nice! That was easy.  This email chain goes into my folder called: When
>>> Someone Says Only Windows Servers Need Reboots.
>>>
>>> On Tue, Jan 12, 2021 at 7:40 PM Riley, Sean <SRiley at robinsonbradshaw.com>
>>> wrote:
>>>
>>>> So far it seems the reboot resolved this problem.  Thanks for all the
>>>> replies with guidance and help.
>>>>
>>>>
>>>>
>>>> *From:* Kent Roberts <kent at fredf.org>
>>>> *Sent:* Tuesday, January 12, 2021 4:42 PM
>>>> *To:* Riley, Sean <SRiley at robinsonbradshaw.com>
>>>> *Cc:* cisco-voip at puck.nether.net
>>>> *Subject:* Re: [cisco-voip] CUCM call set up issue after migration
>>>>
>>>>
>>>>
>>>> Ah split brains. Gotta love it.   Did you restart the ones that did not
>>>> move?    I have seen this when things go stupid. The sync usually isn’t the
>>>> problem it’s the real-time communication between the nodes that’s all
>>>> messed up.     Usually can fix with a node reboot or restarting the cucm
>>>> and cti services.   Course their maybe more to it but if things are in sync
>>>>  should not be hard to fix
>>>>
>>>>
>>>>
>>>> Kent
>>>>
>>>>
>>>>
>>>> On Jan 12, 2021, at 14:06, Riley, Sean <SRiley at robinsonbradshaw.com>
>>>> wrote:
>>>>
>>>> 
>>>>
>>>> This past weekend we migrated 2 CUCM servers to a new datacenter.  This
>>>> involved changing the IP address on these 2 CUCM nodes.  These 2 nodes
>>>> consist of the Publisher and 1 Subscriber.  We have another Sub at a remote
>>>> datacenter that was not touched this past weekend.
>>>>
>>>>
>>>>
>>>> Node configuration:
>>>>
>>>>
>>>>
>>>> DC A
>>>>
>>>> CM1: Pub which was re-ip’d
>>>>
>>>> CM2: Sub which was re-ip’d
>>>>
>>>>
>>>>
>>>> DC B:
>>>>
>>>> CM3: Sub at remote site that was not changed
>>>>
>>>>
>>>>
>>>> Phones are at many sites, but issue is independent of the phone type,
>>>> phone location or subnet.  Also, Expressway phones have the same issue.
>>>>
>>>>
>>>>
>>>> The issue is any phone that is registered to CM3 cannot call phones
>>>> registered to CM1 or CM2 and vice versa.  The phones do not see the call
>>>> coming in.  If SNR is configured, the call will ring to the remote
>>>> destination. Phones registered to CM3 can make outbound PSTN calls without
>>>> issue, but not receive inbound from PSTN (probably because the gateway is
>>>> handing off to CM1 or CM2).  While the gateways are not unique to the
>>>> issue, they are running H323.
>>>>
>>>>
>>>>
>>>> If the phones are both registered to CM3, they can call each other, but
>>>> not phones registered to CM1 or CM2.
>>>>
>>>>
>>>>
>>>> I have had my network team verify there is not anything they can see in
>>>> the network causing this behavior. Database replication checks out OK and I
>>>> can ping from/to each node.
>>>>
>>>>
>>>>
>>>> Anyone able to point me in the right direction to figure this out?
>>>>
>>>>
>>>>
>>>> Thanks.
>>>>
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>>>>
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>>>>
>>> _______________________________________________
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>>>
>> --
>>
>> --
>> Hunter Fuller (they)
>> Router Jockey
>> VBH Annex B-5
>> +1 256 824 5331
>>
>> Office of Information Technology
>> The University of Alabama in Huntsville
>> Network Engineering
>> _______________________________________________
>> cisco-voip mailing list
>> cisco-voip at puck.nether.net
>> https://puck.nether.net/mailman/listinfo/cisco-voip
>>
>>
>> --
>
> --
> Hunter Fuller (they)
> Router Jockey
> VBH Annex B-5
> +1 256 824 5331
>
> Office of Information Technology
> The University of Alabama in Huntsville
> Network Engineering
>
>
> --

--
Hunter Fuller (they)
Router Jockey
VBH Annex B-5
+1 256 824 5331

Office of Information Technology
The University of Alabama in Huntsville
Network Engineering
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